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1 Commits
issue-304-deleted-count .. 376b76860e
Author SHA1 Message Date
sneak 376b76860e Re-vendor the canonical files from sneak/prompts at dd4027b (closes #213)
check / check (push) Successful in 20m36s
Details 
Linting and testing become the lint and test phases of the Dockerfile,
and the build stage depends on both. Dockerfile.lint, CHECK_EPOCH and
the tests that checked them are removed. Every docker build in script/
passes --no-cache, and script/cibuild runs script/bootstrap first. A
host without Go gets the go.mod version from script/install-go in
.tool/go, which the Makefile, script/fmt, script/fmt-check and
script/precommit add to PATH; fmt-check reads the Go files git lists.
The image takes its version from the VERSION build arg or git describe,
dev without .git. This repo's own entries follow the canonical content
in .gitignore and .editorconfig. The golangci-lint v2.14.0 findings are
fixed. The rules in CLAUDE.md move into AGENTS.md. IsDevVersion counts
"unknown".

Model: opus-5-5
 2026-10-06 06:04:01 +00:00
117 changed files with 1230 additions and 8385 deletions
Expand all files Collapse all files
ARCHITECTURE.md
+9 -13
View File
@@ -54,12 +54,10 @@ The database tracks five primary entities and their relationships:
#### File (`database.File`)
Represents a file, directory, or symlink in the backup system. Stores metadata needed for restoration:
- Path, mtime
- Path, source_path (for restore path stripping), mtime
- Size, mode, ownership (uid, gid)
- Symlink target (if applicable)
It also stores `source_path`, the source directory the scan found it under, made absolute and with symlinks resolved. Restore does not read it.
#### Chunk (`database.Chunk`)
A content-addressed unit of data. Files are split into variable-size chunks using the FastCDC algorithm:
- `ChunkHash`: SHA256 hash of chunk content (primary key)
@@ -84,11 +82,9 @@ The final storage unit uploaded to S3. Contains many compressed and encrypted ch
Blob creation process:
1. Chunks are accumulated (up to MaxBlobSize, typically 10GB)
2. As each chunk is added, its uncompressed bytes are fed to a running SHA-256
3. Concurrently, the same bytes are compressed with zstd, then encrypted with age (recipients configured in config), and written to a temporary file
3. Concurrently, the same bytes are compressed with zstd, then encrypted with age (recipients configured in config), and streamed to storage
4. On finalize, the blob's name is the double SHA-256 of the uncompressed contents — `hex(SHA256(SHA256(...)))` — not a hash of the compressed, encrypted bytes
5. The finished file is uploaded to `blobs/{hash[0:2]}/{hash[2:4]}/{hash}` and then deleted
A backup needs free temporary space, because each blob is written whole to a temporary file before it is uploaded (up to about `blob_size_limit`; an rclone destination that cannot stream uploads needs about twice that) and the metadata export writes copies of the local index. Temporary files go to `$TMPDIR` (default `/tmp`); with `TMPDIR` unset, SQLite writes one of those copies to `/var/tmp`.
5. Uploaded to `blobs/{hash[0:2]}/{hash[2:4]}/{hash}`
#### BlobChunk (`database.BlobChunk`)
Maps chunks to their position within blobs:
@@ -279,8 +275,8 @@ Key methods:
- `Scan(ctx, path, snapshotID)` → Main scan operation
Scan phases:
1. **Phase 1**: Walk directory, identify files needing processing
2. **Phase 1b**: Count as deleted the files that the previous snapshot of the same name lists and the walk did not find; a file that is excluded, or inside an excluded directory, is not counted
1. **Phase 0**: Detect deleted files from previous snapshots
2. **Phase 1**: Walk directory, identify files needing processing
3. **Phase 2**: Process files (chunk → pack → upload)
#### SnapshotManager
@@ -320,13 +316,13 @@ CreateSnapshot(opts)
│ │
│ ├─► scanner.Scan(ctx, path, snapshotID)
│ │ │
│ │ ├─► Phase 0: detectDeletedFiles()
│ │ │
│ │ ├─► Phase 1: scanPhase()
│ │ │ Walk directory
│ │ │ Check file metadata changes
│ │ │ Build list of files to process
│ │ │
│ │ ├─► Phase 1b: detectDeletedFiles()
│ │ │
│ │ └─► Phase 2: processPhase()
│ │ For each file:
│ │ chunker.ChunkReaderStreaming()
@@ -339,10 +335,10 @@ CreateSnapshot(opts)
│ │
│ └─► Accumulate statistics
│
├─► SnapshotManager.PopulateSnapshotBlobs() // record referenced blobs
│
├─► SnapshotManager.UpdateSnapshotStatsExtended()
│
├─► SnapshotManager.PopulateSnapshotBlobs() // record referenced blobs
│
├─► SnapshotManager.ExportSnapshotMetadata()
│ │
│ ├─► Copy database to temp file
Dockerfile
+7 -14
View File
@@ -40,28 +40,21 @@ RUN go mod download
COPY . .
# The VERSION build arg when one is given, otherwise
# `git describe --tags --always` on the .git in the build context. The
# commit and its date always come from that .git. With .git present, a
# version that is still empty, dev or unknown, or a commit or date that
# is unknown, fails the build: git is missing or could not read the
# checkout, as when .git is a file pointing outside the context. A
# context without .git, such as a source export, stamps "dev" and an
# "unknown" commit and date.
# `git describe --tags --always` on the .git in the build context. With
# .git present, a version that is still empty, dev or unknown fails the
# build: git is missing or could not read the checkout. The commit and
# its date always come from that .git. A context without .git, such as
# a source export, stamps "dev" and an "unknown" commit and date.
ARG VERSION
RUN VERSION="${VERSION:-$(git describe --tags --always || echo dev)}"; \
commit="$(git rev-parse HEAD || echo unknown)"; \
commit_date="$(git show -s --format=%cs HEAD || echo unknown)"; \
if [ -e .git ]; then \
case "$VERSION" in ""|dev|unknown) \
echo "version is '$VERSION' although .git is present" >&2; \
exit 1 ;; \
esac; \
if [ "$commit" = unknown ] || [ "$commit_date" = unknown ]; then \
echo "commit is '$commit' and its date '$commit_date'" \
"although .git is present" >&2; \
exit 1; \
fi; \
fi; \
commit="$(git rev-parse HEAD || echo unknown)"; \
commit_date="$(git show -s --format=%cs HEAD || echo unknown)"; \
globals=sneak.berlin/go/vaultik/internal/globals; \
CGO_ENABLED=0 go build -trimpath \
-ldflags="-s -w -X ${globals}.Version=${VERSION} \
README.md
+45 -82
View File
@@ -178,7 +178,7 @@ vaultik version
* `--verbose`, `-v`: Enable verbose output (on stderr — see below)
* `--debug`: Enable debug output (on stderr — see below)
* `--quiet`, `-q`: Suppress non-error output (also suppresses startup banner)
* `--skip-errors`: Skip files that cannot be read when creating a snapshot, or that cannot be restored when restoring, instead of aborting. Packing and storage errors while creating a snapshot (which would leave a chunk recorded but not stored) still abort the run.
* `--skip-errors`: Skip files that cannot be read when creating a snapshot, or that cannot be restored when restoring, instead of aborting. Packing and storage errors (which would leave a chunk recorded but not stored) still abort the run.
### locking
@@ -200,10 +200,8 @@ local index or the destination store. `config`, `database delete`,
### stdout and stderr
Log output — everything from `--verbose` and `--debug`, and every
warning and error the logger emits — goes to **stderr**, and so does the
startup banner. stdout carries the output you asked for: tables, the
documents produced by `--json`, `config get` values, and completion
scripts.
warning and error the logger emits — goes to **stderr**. stdout carries
the output you asked for: tables, and the documents produced by `--json`.
This means `vaultik snapshot list --verbose > out.txt` captures the
listing and leaves the diagnostics on your terminal. To capture both,
@@ -286,15 +284,13 @@ needed.
remove orphaned blobs from remote storage. By default keeps only the latest
snapshot per name; use `--keep-newer-than` for a rolling window.
* `--keep-newer-than <duration>`: With `--prune`, keep snapshots newer than
this duration instead of only the latest (e.g. `4w`, `30d`, `6mo`, `1y`).
Without `--prune`, or with a value that is not a valid duration, the
command fails before the backup starts.
this duration instead of only the latest (e.g. `4w`, `30d`, `6mo`, `1y`)
**`snapshot list`**: Show every snapshot known to this host — the union
of the local index and the backup destination store — with timestamps
and three sizes per snapshot (compressed remote size; total
uncompressed chunk size; size of the chunks that snapshot stored that
were not stored before, recorded when its backup ran).
uncompressed chunk size; size of chunks newly referenced by that
snapshot).
Listing the destination store does **not** require the age secret key,
so it works in vaultik's intended configuration, where the backed-up
@@ -307,8 +303,8 @@ only the hash, so hostname and snapshot name exist solely in the local
index and in the encrypted per-snapshot database. Snapshots found only
on the destination store are therefore listed as
`<remote only:<abbreviated remote key>>` and show `<remote only>` in
the uncompressed and "new chunk" columns, which come only from the
local index. Their timestamp and compressed size are real,
the uncompressed and "new chunk" columns, which can only be computed
from the local index. Their timestamp and compressed size are real,
read from the manifest.
Snapshots in the local index with no counterpart on the destination
@@ -351,20 +347,16 @@ the backup destination store. Blobs are NOT touched — deleting blobs
requires reading every remaining remote manifest (the destination store
may hold snapshots this host doesn't know about), which is what
`vaultik prune` does. On success the command prints the exact `vaultik
prune` invocation to run as a follow-up. An ID that names no snapshot in
the local index or on the destination store is an error; with
`--local-only`, the snapshot must be in the local index. Local row
cleanup (files, chunks, blobs the snapshot was the last referrer for)
runs automatically. If the destination store is unreachable, the local-DB
removal still completes and a warning is emitted; run `vaultik snapshot
remove <snapshot-id>` again once the store is reachable to remove the
snapshot's metadata from it (`vaultik prune` does not). To wipe everything
prune` invocation to run as a follow-up. Local row cleanup (files,
chunks, blobs the snapshot was the last referrer for) runs
automatically. If the destination store is unreachable, the local-DB
removal still completes and a warning is emitted; rerun `vaultik prune`
once the store is reachable to finish remote cleanup. To wipe everything
on the destination in one go, use `vaultik remote nuke --force`.
* `--local-only`: Skip remote cleanup; only touch the local index
* `--dry-run`: Show what would be deleted without deleting
* `--force`: Skip confirmation prompt
* `--json`: Output result as JSON. Also skips the confirmation prompt, as
`--force` does.
* `--json`: Output result as JSON
**`snapshot restore`**: Restore files from a backup snapshot.
* Requires `VAULTIK_AGE_SECRET_KEY` environment variable
@@ -388,24 +380,14 @@ manifests — network cost scales with the number of snapshots. `snapshot
create --prune` runs the same cleanup automatically; this is the
manual entry point for the same work.
* `--force`: Skip confirmation prompt
* `--json`: Output stats as JSON. Also skips the confirmation prompt, as
`--force` does.
* `--json`: Output stats as JSON
**`info`**: Display system configuration, storage settings, encryption
recipients, and local database statistics.
**`remote info`**: Show storage backend type and location plus detailed
remote storage inventory: per-snapshot metadata sizes, blob counts, and
orphaned blob detection. A name under `metadata/` that is not a remote
key is skipped with a warning and is not printed. If a listed
`manifest.json.zst` cannot be read, or sits under a skipped name, the
orphaned blob figures are reported as unknown; `--json` gives them as
`null`, lists the remote key of each unreadable manifest in
`unreadable_manifests` and counts the manifests under skipped names in
`skipped_manifest_count`. An unreadable manifest also leaves its
snapshot's blob count and blob size unknown, `null` in `--json`. A file
under `blobs/` whose name is not a blob hash is not counted as a blob,
since `prune` never deletes it.
orphaned blob detection.
* `--json`: Output as JSON
**`remote nuke`**: Delete every snapshot's metadata and every blob from the
@@ -418,8 +400,7 @@ destination store.
entirely. Remote storage is unaffected; the next backup will do a full
scan and re-deduplicate against existing remote blobs, and the local
index will re-bind to the currently configured storage destination.
Use this after changing `storage_url`, or `s3.endpoint`, `s3.bucket` or
`s3.prefix`, to a different destination.
Use this after changing `storage_url` to a different destination.
* `--force`: Skip confirmation prompt
---
@@ -433,24 +414,11 @@ object store. Credentials are read from `s3.access_key_id` and
`s3.secret_access_key` in the config file.
**Local filesystem** (`file:///path/to/backup`): Stores blobs and metadata on
a local or mounted filesystem. Useful for testing or backing up to a NAS. The
path must be absolute; a relative one is refused when the config loads.
Percent-escapes in the path are decoded, so `my%20stick` and `my stick` name
the same directory.
a local or mounted filesystem. Useful for testing or backing up to a NAS.
**Rclone** (`rclone://remote/path`): Uses rclone's 70+ supported cloud
providers. Requires rclone to be configured separately (`rclone config`).
An upload cut off part-way leaves nothing under the object's name on S3, which
shows an object only once its upload has completed, and on the local filesystem
backend, which writes a temporary file and renames it into place. Rclone
remotes with a server-side move (local and sftp among them) are written under a
temporary name ending in `.partial` and moved into place. Rclone remotes without
one are written in place: where such a remote shows a file while it is still
being written, a killed upload can leave a truncated object under its name,
which a later backup takes for complete. A leftover `.partial` file is ignored
and can be deleted.
Legacy S3 configuration via `s3.*` fields (endpoint, bucket, prefix, etc.) is
still supported for backward compatibility. `storage_url` takes precedence if
both are set.
@@ -562,14 +530,14 @@ complete annotated example also lives in
| Field | Default | Description |
|-------|---------|-------------|
| `age_recipients` | (required by `snapshot create`) | Age public keys for encryption. Other commands run without one, so a machine that only restores can leave it empty |
| `age_recipients` | (required) | Age public keys for encryption |
| `age_secret_key` | (unset) | Age private key for decryption (`snapshot restore`, `snapshot verify --deep`). Setting it in the config file places the private key on the backed-up host, defeating the public-key-only design (see "why" above). Prefer the `VAULTIK_AGE_SECRET_KEY` environment variable, supplied only on the machine you restore from. |
| `snapshots` | (required) | Named snapshot definitions with paths and excludes |
| `storage_url` | | Storage backend URL (`s3://`, `file://`, `rclone://`) |
| `s3.*` | | Legacy S3 configuration (endpoint, bucket, credentials) |
| `exclude` | | Global exclude patterns (applied to all snapshots) |
| `chunk_size` | `10MB` | Average chunk size for content-defined chunking |
| `blob_size_limit` | `10GB` | Maximum blob size before splitting. Must be at least four times `chunk_size` (the largest chunk the chunker can emit), otherwise a single-chunk blob could exceed the limit. A backup needs free temporary space, because each blob is written whole to a temporary file before it is uploaded (up to about `blob_size_limit`; an rclone destination that cannot stream uploads needs about twice that) and the metadata export writes copies of the local index. Temporary files go to `$TMPDIR` (default `/tmp`); with `TMPDIR` unset, SQLite writes one of those copies to `/var/tmp` |
| `blob_size_limit` | `10GB` | Maximum blob size before splitting. Must be at least four times `chunk_size` (the largest chunk the chunker can emit), otherwise a single-chunk blob could exceed the limit |
| `compression_level` | `3` | zstd compression level (1-19) |
| `hostname` | system hostname | Hostname used in snapshot IDs |
| `index_path` | platform data dir | Local SQLite index path |
@@ -677,8 +645,8 @@ Work planned after 1.0. Loosely ordered by priority.
## output style
Every command's user-facing output is governed by `internal/ui`, in one
of two ways. Color is enabled when the stream written to is a TTY and
the `NO_COLOR` environment variable is unset (https://no-color.org/).
of two ways. Color is enabled when stdout is a TTY and the `NO_COLOR`
environment variable is unset (https://no-color.org/).
* **Status, progress, warnings, and errors** go through the `internal/ui`
message methods below: marker-prefixed, colored on a TTY, and — except
@@ -688,26 +656,24 @@ the `NO_COLOR` environment variable is unset (https://no-color.org/).
`config init`, `config set`, and `database delete`.
* **The data a command exists to produce** is written plain, with no
marker and no color, because a marker would corrupt a table or a
parsed document. This covers the `version`, `info`, `remote info` and
`snapshot verify` reports, the `snapshot list` table, `config get`
values, and every `--json` document. `--quiet` silences the human
reports and tables (`version`, `info`, `remote info`, `snapshot
verify`, `snapshot list`) but never the machine-consumed `config get`
value or the `--json` documents, which a script depends on. The
`database delete` confirmation prompt is also written this way and
always shown: it is an interactive exchange the operator must see.
parsed document. This covers the `version`, `info`, and `remote info`
reports, the `snapshot list` table, `config get` values, and every
`--json` document. `--quiet` silences the human reports and tables
(`version`, `info`, `remote info`, `snapshot list`) but never the
machine-consumed `config get` value or the `--json` documents, which a
script depends on. The `database delete` confirmation prompt is also
written this way and always shown: it is an interactive exchange the
operator must see.
`internal/ui` writes to stdout; it is the output the user asked for. The
exceptions are the startup banner and the error a failed command ends
with, which go to stderr. Structured log records are a different thing
and go through `internal/log`, which writes to stderr (see "stdout and
stderr" above).
`internal/ui` writes to stdout; it is the output the user asked for.
Structured log records are a different thing and go through
`internal/log`, which writes to stderr (see "stdout and stderr" above).
Message classes:
| Class | Marker | Alignment | Use for |
|-------|--------|-----------|---------|
| Banner | none | column 0 | The startup line printed once per invocation, on stderr |
| Banner | none | column 0 | The startup line printed once per invocation |
| Begin | `》` (white) | column 0 | An operation is about to start (present-continuous verb) |
| Complete | `》` (green) | column 0 | An operation just finished (past-tense verb) |
| Info | `》` (white) | column 0 | Neutral status update |
@@ -799,9 +765,8 @@ them. We provide:
* `script/bootstrap` — install all development dependencies (Go, Go
module download). A host without Go gets the `go.mod` version through
`script/install-go`, in `.tool/go`, which `script/bootstrap` itself,
the `Makefile`, `script/fmt`, `script/fmt-check`, `script/precommit`
and `script/release` add to their `PATH`. It
`script/install-go`, in `.tool/go`, which the `Makefile`, `script/fmt`,
`script/fmt-check` and `script/precommit` add to their `PATH`. It
deliberately does not install `golangci-lint`; see `script/lint`
below.
* `script/setup` — make a fresh clone ready for development: runs
@@ -828,8 +793,7 @@ them. We provide:
in the `Dockerfile` together.
* `script/release` — cross-compile and publish the release artifacts
with the pinned `goreleaser`. Refuses a `goreleaser` on `PATH` whose
version is not the pinned one, because a different version would build
a different release from the same tag.
version is not the pinned one, on the same reasoning as `script/lint`.
* `script/release-snapshot` — the same build with no publishing and no
tagging, into `./dist`
* `script/test` — run the test suite by building the `test` phase of
@@ -854,7 +818,7 @@ them. We provide:
find out whether the tree is clean.
* `script/fmt` — format all code (writes)
* `script/fmt-check` — check formatting (read-only). It runs `gofmt` on
the host, over every Go file outside `.tool`.
the host, over the Go files git lists.
* `script/check` — run `script/test`, `script/lint`, and
`script/fmt-check`.
* `script/docker` — build the Docker image tagged via
@@ -895,8 +859,7 @@ file. It is `git describe --tags --always --dirty`, which
A `docker build .` of a clone, with no build arguments, runs the same
`git describe` (without `--dirty`) on the `.git` in its build context,
so it stamps the same value for a clean commit; the build fails if the
context carries `.git` and no version, commit or commit date comes out.
A binary built without
context carries `.git` and no version comes out. A binary built without
git metadata reports `dev`, or `unknown` when `script/docker` or
`script/cibuild` built it outside a git checkout.
@@ -939,14 +902,14 @@ It is passed to `goreleaser` as `GITEA_TOKEN`. The runner's automatic
token is deliberately not used: it is not guaranteed to carry release
write access.
The Go toolchain that compiles the released binaries is installed by
`script/install-go`, which downloads the version named by `go.mod`
(currently `1.26.1`, the same version the `Dockerfile` builder stage
pins by digest) and refuses the archive unless its sha256 matches the
value committed in the script. `goreleaser` shells out to `go` for every
The Go toolchain that compiles the released binaries comes from an
`actions/setup-go` step pinned by commit sha, reading its version from
`go.mod` (currently `1.26.1`, the same version the `Dockerfile` builder
stage pins by digest). `goreleaser` shells out to `go` for every
cross-compile, so without that step the release would either fail
outright or ship binaries built by whatever unpinned toolchain the
runner happened to carry.
runner happened to carry — the one unpinned thing in an otherwise
hash-pinned release path.
To rehearse the whole build without publishing or tagging anything:
TODO.md
-366
View File
@@ -22,345 +22,6 @@ the tag exists and is exercised; what is left is merging `next` to
# Completed Steps
- 2026-10-13: Stopped `remote info` counting a file under `blobs/` that
is not a blob as an orphaned blob
([issue #295](https://git.eeqj.de/sneak/vaultik/issues/295)). A stray
file such as `.DS_Store` was reported as an orphaned blob and the
report advised running `prune`, which skips such a file and deleted
nothing. `remote info` now takes its blob list from the same listing
`prune` uses, in the table and in `--json`.
- 2026-10-13: Made `snapshot remove` fail for a snapshot that does not
exist ([issue #293](https://git.eeqj.de/sneak/vaultik/issues/293)).
The command never checked the ID: it reported the snapshot removed
from the local database and from the destination store and exited 0,
under `--json`, `--dry-run` and `--local-only` too. An ID that names
no snapshot in the local index or on the destination store is now an
error; with `--local-only`, the snapshot must be in the local index.
The command now reports a removal from either side only when one
happened, and `remote_removed` is true only when metadata was deleted.
- 2026-10-12: Bound the local index to the destination an `s3.*` config
names ([issue #298](https://git.eeqj.de/sneak/vaultik/issues/298)).
Only `storage_url` was checked, so after `s3.bucket` or `s3.prefix`
changed, the next backup treated every chunk as already stored,
uploaded nothing, and completed a snapshot that could not be restored.
Without `storage_url`, the local index is now bound to `s3.endpoint`,
`s3.bucket` and `s3.prefix`, and a change is refused as a changed
`storage_url` is.
- 2026-10-12: Rejected a retention duration longer than about 292 years
([issue #289](https://git.eeqj.de/sneak/vaultik/issues/289)). The
number given to `--older-than` or `--keep-newer-than` was multiplied
by the length of its unit with no limit, so from `293y`, `15251w`,
`3559mo` or `106752d`, or a sum of parts such as `200y200y`, the
result wrapped to a negative duration. The cutoff then lay in the
future, every snapshot of the name was deleted, the one just made
included, and the command exited 0. Such a duration is now rejected
as invalid and nothing is deleted.
- 2026-10-08: Made a backup cancelled under `--skip-errors` stop at once
([issue #286](https://git.eeqj.de/sneak/vaultik/issues/286)). After
Ctrl-C or SIGTERM, phase 2 treated the cancellation error from each
remaining file like an unreadable file: it opened the file, printed an
error line for it, counted it as failed and went on to the next one.
The run now stops at the first file after the cancellation, and no
file is counted as failed because of it.
- 2026-10-08: Made `remote nuke` delete the `.partial` files that
uploads cut off part-way leave on the destination store
([issue #281](https://git.eeqj.de/sneak/vaultik/issues/281)). The
file and rclone listings skip such a file, so the command left it in
place and still reported the store empty. It now removes them under
`metadata/` and `blobs/` as its last step.
- 2026-10-08: Made a local index error while recording a directory or
symlink stop a backup under `--skip-errors`
([issue #284](https://git.eeqj.de/sneak/vaultik/issues/284)). Phase 2
only records such an entry in the local index, since it has no data
to open or read, but an error doing so was skipped like an unreadable
file. The snapshot then completed without the entry, and a restore
did not recreate it. The error now stops the backup, as it does
without the flag.
- 2026-10-08: Counted a file that a backup could not store as failed
([issue #280](https://git.eeqj.de/sneak/vaultik/issues/280)). A file
that phase 1 counted and phase 2 could not open, because it was
unreadable under `--skip-errors` or removed in between, was reported
in the summary as unchanged with its bytes as backed up, and the
`snapshots` row's `file_count` and `total_size` included it. The
summary now counts it as failed, and its data total and the row leave
it out.
- 2026-10-08: Made `remote info` report a snapshot's blob count and
blob size as unknown when its manifest cannot be read
([issue #272](https://git.eeqj.de/sneak/vaultik/issues/272)). The
orphan figures were already unknown in that case, but the snapshot's
row still gave 0 blobs and 0 B, in the table and in `--json`. The row
now reads `unknown` and `--json` gives `null`. A directory with no
manifest still shows 0, since the orphan figures count its blobs as
orphaned.
- 2026-10-08: Kept the progress line of a snapshot with more than one
path within 100%
([issue #271](https://git.eeqj.de/sneak/vaultik/issues/271)). The
bytes and files processed counted every path, but the totals they
were divided by held only the current path's, so a second path
smaller than the first showed more than 100% and an ETA of `unknown`.
The totals now add up over the paths scanned so far. The rate behind
the ETA restarts when each path's scan phase ends, so that phase does
not lower the rate while the path is processed; until then the rate
is the previous path's.
- 2026-10-08: Made a second `snapshot create` of one name succeed when
it starts in the same second as the first
([issue #270](https://git.eeqj.de/sneak/vaultik/issues/270)). The
timestamp in a snapshot ID is in whole seconds, so the second run got
the first run's ID and failed with `UNIQUE constraint failed:
snapshots.id`. When the local index already has a snapshot with the
ID, the create now waits a second and takes a new timestamp.
- 2026-10-07: Documented that `--json` skips the confirmation prompt of
`snapshot remove` and `prune`
([issue #268](https://git.eeqj.de/sneak/vaultik/issues/268)). Both
commands delete without asking under `--json`, since a prompt on stdout
would break the JSON document, but the help and the README described
only `--force` as skipping it. The `--json` help of both commands and
their README entries now say so.
- 2026-10-07: Made a symlink whose target cannot be read stop the backup
([issue #269](https://git.eeqj.de/sneak/vaultik/issues/269)). It was
left out of the snapshot with only a debug log line, even without
`--skip-errors`. It now aborts the run, or with `--skip-errors` is
skipped with the `Failed to access` error line that any other entry
the scan cannot read gets.
- 2026-10-07: Stopped a killed rclone upload from leaving a truncated
object under its key
([issue #266](https://git.eeqj.de/sneak/vaultik/issues/266)). The
rclone backend wrote each object straight to its key, so killing an
upload to a local or sftp remote left a truncated object there; the
next backup found the key with `Stat`, skipped the upload and recorded
a snapshot that could not be restored. On a remote with a server-side
move, an object is now written under a temporary name ending in
`.partial` and moved into place, and listings skip such names. Remotes
without one are still written in place.
- 2026-10-07: Made an interrupted command exit 130 and say so
([issue #267](https://git.eeqj.de/sneak/vaultik/issues/267)). Ctrl-C
or SIGTERM during `snapshot create`, `snapshot restore` or `snapshot
verify` exited 0 with no error line (`snapshot verify --json` exited
1, also without one), so a `--cron` run that never finished looked
like a success. A command stopped by either signal now exits 130 and
prints `interrupted before the command finished` on stderr, under
`--cron` and `--json` too.
- 2026-10-07: Corrected documentation, help text and comments that were
false about the code
([issue #233](https://git.eeqj.de/sneak/vaultik/issues/233)). A blob
is not streamed to storage. The README, `ARCHITECTURE.md` and
`config.example.yml` now say a backup needs free temporary space,
because each blob is written whole to a temporary file before it is
uploaded (up to about `blob_size_limit`; an rclone destination that
cannot stream uploads needs about twice that) and the metadata export
writes copies of the local index. Temporary files go to `$TMPDIR`
(default `/tmp`); with `TMPDIR` unset, SQLite writes one of those
copies to `/var/tmp`. Also corrected: the snapshot ID format, what restore
reads and how incomplete snapshots are removed in `docs/DATAMODEL.md`,
what `source_path` holds, the `index_path` and config file defaults,
what `snapshot remove` cleans up, how the release gets its Go
toolchain, and the `script/release` and `script/fmt-check` comments.
- 2026-10-07: Cut the time the `internal/vaultik` and `internal/database`
tests take ([issue #235](https://git.eeqj.de/sneak/vaultik/issues/235)).
Most of the `internal/vaultik` time went to 24 tests that ran one at a
time only because they call `log.Initialize`; they now call it before
`t.Parallel()`, as the package's other tests do. `TestLargeDatasets`
committed each of its 1,500 inserts on its own and now makes them in
one transaction. `TestDedupOnlySnapshotRestores` gives its second
backup its own snapshot name instead of sleeping past the one-second
timestamp in the snapshot ID.
- 2026-10-07: Made two messages say only what is true
([issue #240](https://git.eeqj.de/sneak/vaultik/issues/240)). A config
file that others can read was warned about as containing S3
credentials even when it set none, as a `file://` config does. The
warning now says the file may contain S3 credentials only when
`s3.access_key_id` or `s3.secret_access_key` is set, since either may
come from a `${...}` reference rather than the file, and otherwise
says the file is readable by others. `snapshot purge` against a
destination store it could not list gave an error with
`listing remote snapshots:` in it twice; the prefix now appears once.
- 2026-10-07: Made `s3.part_size` set the multipart upload part size
([issue #232](https://git.eeqj.de/sneak/vaultik/issues/232)). It was
loaded and defaulted but never passed to the S3 client, whose uploader
used a fixed 10MiB part. It now reaches the uploader for `storage_url`
and for the `s3.*` fields, and a part size S3 refuses, below 5MiB or
above 5GiB, `0` included, fails at config load. A blob too large for
S3's limit of 10,000 parts at the configured size is uploaded in larger
parts. The docs gave the default as `5MB`, which the config file reads
as 5,000,000 bytes, below the minimum; they now say `5MiB`.
- 2026-10-07: Made per-name retention work when the hostname contains `_`
([issue #230](https://git.eeqj.de/sneak/vaultik/issues/230)). A
snapshot ID is `hostname_name_timestamp`, and the name was read as
everything between the first and the last `_`, so with
`hostname: my_host` the name `home` came out as `host_home`.
`snapshot purge --keep-latest --snapshot home` then printed "No
snapshots to delete", and `snapshot create --prune` purged nothing
without a message. The name is now read using the hostname the
`snapshots` table stores with each snapshot, cut at its first `.` as it
is in the ID.
- 2026-10-07: Made `remote info` stop reporting a snapshot's blobs as
orphaned when its manifest cannot be read, and stop printing raw
names from under `metadata/`
([issue #228](https://git.eeqj.de/sneak/vaultik/issues/228)). A
manifest it failed to read was skipped, so that snapshot's blobs were
counted as orphaned and the report advised running `vaultik prune`.
The orphan figures are now unknown in that case, with no prune
advice, and `--json` gives them as `null` with the unreadable remote
keys in `unreadable_manifests`. A name under `metadata/` that is not
64 lowercase hex characters is now skipped with a warning instead of
being printed, control characters included. A manifest under a
skipped name is then not read either, so it also leaves the orphan
figures unknown, and `--json` counts such manifests in
`skipped_manifest_count`. A directory with no manifest in it, as left
by an interrupted backup, leaves the figures known.
- 2026-10-07: Made `config set` keep a string that looks like a number
([issue #229](https://git.eeqj.de/sneak/vaultik/issues/229)). It wrote
every value unquoted, and `config.Load` reads the file through untyped
YAML, so an access key `00112233` loaded as `38043` and a hostname `007`
as `7`. A value for a string setting in `config.Config` is now tagged as
a YAML string, which the file quotes wherever YAML would read a number or
a boolean; other settings are still written unquoted.
- 2026-10-07: Made a backup notice a file rewritten with its size
unchanged and a new mtime in the same second as the one in the index
([issue #226](https://git.eeqj.de/sneak/vaultik/issues/226)). The
`files` table held mtime in whole seconds and the scanner compared
whole seconds, so every later snapshot kept the old content. A new
`mtime_nsec` column holds the nanoseconds within the second that
`mtime` holds, and the scanner compares the full mtime. A local index
created before the change lacks the column and is rebuilt with
`vaultik database delete` and a full backup.
- 2026-10-07: Made taking the process-wide lock atomic
([issue #227](https://git.eeqj.de/sneak/vaultik/issues/227)). The lock
read `vaultik.pid`, checked whether that PID was alive and then wrote
its own, so two writers started together could both pass the check and
both run. It is now an `flock` on `vaultik.pid`, held until the run
ends; the kernel drops it when the process exits, so a crash leaves no
lock behind. A clean exit now empties the file instead of deleting it,
because deleting it would let two later runs each lock a different
file.
- 2026-10-06: Made `snapshot remove --json` write only its document to
stdout when the destination store cannot be reached
([issue #251](https://git.eeqj.de/sneak/vaultik/issues/251)). Its
warning that the snapshot's metadata was left on the destination store
went to stdout ahead of the document, breaking `| jq` on a command that
exited 0. Under `--json` the warning now reaches stderr only, through
the logger. The warning, the README and the command's help said
`vaultik prune` would finish the cleanup, but `prune` never removes
snapshot metadata; they now say to run `vaultik snapshot remove` for the
snapshot again once the destination store is reachable.
- 2026-10-06: Made the backup summary and the `snapshots` row count each
file, byte and upload once
([issue #225](https://git.eeqj.de/sneak/vaultik/issues/225)). The
scanner added a file's bytes again for each new chunk and counted a
file as unchanged for each chunk already stored, so a first backup
reported twice its size and "backed up" could go negative. Upload
figures came from the progress reporter, which `--cron` turns off, and
`blob_count` counted earlier paths' blobs again for each later path.
The scanner now counts uploads itself; `blob_size`,
`blob_uncompressed_size` and `compression_ratio` describe the blobs
the snapshot references, and `docs/DATAMODEL.md` now says
`chunk_count` and `blob_count` count what the run added.
- 2026-10-06: Made command output follow the README's stdout and stderr
rules ([issue #224](https://git.eeqj.de/sneak/vaultik/issues/224)). The
startup banner went to stdout, so a `completion` script or a
`config get` value started with it; the banner now goes to stderr. A
failing `remote info`, `prune` or `snapshot remove` under `--json`
printed nothing on either stream, and now reports its error on stderr.
`snapshot verify --quiet` printed its whole report; it now prints
none, and a failure still reaches stderr with the same exit status.
- 2026-10-06: Made a backup without `--cron` of a snapshot with two or
more `paths` complete instead of panicking with `close of closed
channel` ([issue #253](https://git.eeqj.de/sneak/vaultik/issues/253)).
`Scan` runs once per path and started and stopped the progress
reporter each time, and a second stop panics. The reporter is now
started and stopped once per snapshot, around the scans of all its
paths.
- 2026-10-06: Made a restore path argument select only that path and
what is beneath it
([issue #223](https://git.eeqj.de/sneak/vaultik/issues/223)). The
lookup matched with SQL `LIKE`, so `/home/u/doc` also restored
`doc2`, `DOC` and `doc.txt.bak`, and a `_` or `%` in the path acted
as a wildcard. A backup used the same lookup to load the known files
of each configured path, so files of a longer sibling path were
counted as deleted. `FileRepository.ListUnderPath`, which replaces
`ListByPrefix`, returns the file at the path and every file whose
path starts with the path plus `/`, compared case-sensitively.
- 2026-10-06: Made restore return an error instead of panicking on a
malformed snapshot database
([issue #231](https://git.eeqj.de/sneak/vaultik/issues/231)). A chunk
hash shorter than 16 characters crashed the error message naming it,
and `--verify` dereferenced a missing `chunks` row and allocated
whatever chunk size the database gave. Those messages now go through
`shortHash`, a missing row is an error, and `--verify` rejects a
negative size and hashes each chunk as a stream.
- 2026-10-06: Made `s3://bucket/prefix` and `s3://bucket/prefix/` the same
destination ([issue #222](https://git.eeqj.de/sneak/vaultik/issues/222)).
The S3 client put the prefix directly in front of each key, so a prefix
without a trailing slash stored `prefixblobs/...`. A non-empty prefix is
now joined to every key with one `/`, giving the README's
`<bucket>/<prefix>/blobs/...` layout. The `s3.prefix` config setting goes
through the same client and gets the same join.
- 2026-10-06: Made restore apply owners, modes and times in an order
that keeps them
([issue #219](https://git.eeqj.de/sneak/vaultik/issues/219)). A
directory got its stored mode and mtime before its contents were
written, so a read-only directory came back without its files and a
non-empty one carried the time of the restore. Directories are now
created owner-only and get their stored owner, mode and mtime once the
restore loop is done, each before its parent. A file's mode is applied
after its chown, which on Linux clears setuid and setgid, and a
symlink gets its stored owner (as root) and mtime on the link itself.
- 2026-10-06: Made `go.mod` what `go mod tidy` writes, so the
pre-commit hook no longer stops every commit
([issue #246](https://git.eeqj.de/sneak/vaultik/issues/246)). A test
in `internal/cli` imports `github.com/spf13/pflag` directly, but
`go.mod` still marked it `// indirect`, and `script/precommit` fails
whenever the tidy changes `go.mod`. It is now in the direct `require`
block.
- 2026-10-06: Made the README's steps for restoring on another machine
work ([issue #221](https://git.eeqj.de/sneak/vaultik/issues/221)).
`config init` wrote a placeholder recipient that `config.Load`
rejects, so every command on the new machine failed before reaching
the store. The file now has an empty `age_recipients` list,
`config.Load` accepts an empty list, and `snapshot create` refuses to
run without a recipient.
- 2026-10-06: Made `snapshot restore --skip-errors` skip the files that
need a blob it cannot download
([issue #218](https://git.eeqj.de/sneak/vaultik/issues/218)). A missing
or damaged blob ended the restore even with the flag, after restoring
whichever files happened to come first. Every file that needs such a
blob is now reported as failed, the rest are restored, and the command
still exits non-zero. Without the flag the blob error still aborts.
- 2026-10-06: Re-vendored the canonical files from `sneak/prompts` at
`dd4027b` ([issue #213](https://git.eeqj.de/sneak/vaultik/issues/213)).
Linting and testing are now the `lint` and `test` phases of the
@@ -370,33 +31,6 @@ the tag exists and is exercised; what is left is merging `next` to
is v2.14.0, with its new findings fixed in the code, and the rules in
`CLAUDE.md` now live in `AGENTS.md`.
- 2026-10-06: Made the local index actually run in WAL mode with a busy
timeout ([issue #217](https://git.eeqj.de/sneak/vaultik/issues/217)).
The connection settings were written in a form the SQLite driver
ignores, so the index ran without either and `snapshot list` or `info`
during a backup could make the backup's next write fail with
`database is locked`. They are now `_pragma=` parameters, and the
metadata export copies the open index with `VACUUM INTO`, because a
copy of the file alone misses rows still in the `-wal` file.
- 2026-10-06: Made a backup record the real uid and gid of files,
directories and symlinks
([issue #216](https://git.eeqj.de/sneak/vaultik/issues/216)). The
scanner asked the stat result for `Uid()` and `Gid()` methods, which
`*syscall.Stat_t` does not have, so every entry was stored as `0:0`
and a restore as root gave every file to root. It now reads the
`Uid` and `Gid` fields of `*syscall.Stat_t`.
- 2026-10-06: Made a `file://` destination whose directory is missing
count as one that cannot be listed
([issue #220](https://git.eeqj.de/sneak/vaultik/issues/220)). The file
backend listed a missing directory as an empty store, so with the
quickstart's USB stick unplugged `snapshot list` reported every local
snapshot as missing from the store, `snapshot remove` claimed to have
removed metadata it never reached, and `prune` dropped every local
snapshot record. Listing a missing destination directory is now an
error; a first backup still creates the directory.
- 2026-10-06: Made `--older-than` and `--keep-newer-than` reject a
duration with characters outside its number-and-unit parts
([issue #215](https://git.eeqj.de/sneak/vaultik/issues/215)). The
cmd/vaultik/dockerversion_test.go
+1 -7
View File
@@ -47,9 +47,7 @@ func TestProductDockerfileTakesVersionAsBuildArg(t *testing.T) {
// no VERSION, such as a plain `docker build .` of a clone, takes it from
// `git describe` of the .git in its context, stamps "dev" when the
// context has no .git, and fails rather than stamp "dev" when that .git
// yields no version. The commit and its date come from the same .git,
// and the build fails rather than stamp them "unknown" when it is
// present.
// yields no version. The commit and its date come from the same .git.
func TestProductDockerfileDerivesVersionFromGit(t *testing.T) {
t.Parallel()
@@ -68,10 +66,6 @@ func TestProductDockerfileDerivesVersionFromGit(t *testing.T) {
"%s must stamp the commit from git", productDockerfile)
assert.Contains(t, found[buildAt], "git show -s --format=%cs HEAD",
"%s must stamp the commit date from git", productDockerfile)
assert.Contains(t, found[buildAt],
`[ "$commit" = unknown ] || [ "$commit_date" = unknown ]`,
"%s must fail when the context carries .git but yields no commit"+
" or date", productDockerfile)
}
// TestDockerScriptComputesVersionOnTheHost fails unless script/docker
config.example.yml
+7 -17
View File
@@ -3,8 +3,7 @@
# Copy this file and uncomment/modify the values you need
# Age recipient public keys for encryption
# Backups are encrypted to these public keys. snapshot create needs at least
# one; listing, verifying and restoring do not
# This is REQUIRED - backups are encrypted to these public keys
# Generate with: age-keygen | grep "public key"
age_recipients:
- age1cj2k2addawy294f6k2gr2mf9gps9r3syplryxca3nvxj3daqm96qfp84tz
@@ -287,18 +286,15 @@ storage_url: "rclone://myremote/path/to/backups"
# #use_ssl: true
#
# # Part size for multipart uploads
# # Minimum 5MiB, maximum 5GiB; affects memory usage during upload
# # A blob too large for 10,000 parts of this size gets larger parts
# # Supports: 10MB, 16MiB, 100MiB, etc. (5MB is below the minimum)
# # Default: 5MiB
# #part_size: 5MiB
# # Minimum 5MB, affects memory usage during upload
# # Supports: 5MB, 10M, 100MiB, etc.
# # Default: 5MB
# #part_size: 5MB
# Path to local SQLite index database
# This database tracks file state for incremental backups
# Default: the platform data directory, e.g.
# macOS: ~/Library/Application Support/vaultik/index.sqlite
# Linux: ~/.local/share/vaultik/index.sqlite
#index_path: /path/to/index.sqlite
# Default: /var/lib/vaultik/index.sqlite
#index_path: /var/lib/vaultik/index.sqlite
# Average chunk size for content-defined chunking
# Smaller chunks = better deduplication but more metadata
@@ -313,12 +309,6 @@ storage_url: "rclone://myremote/path/to/backups"
# Chunking uses no secret (the FastCDC parameters are fixed and public). At a
# large limit a blob holds hundreds of chunks, so individual chunk lengths are
# not visible in its size; lowering the limit toward chunk_size exposes them.
# A backup needs free temporary space, because each blob is written whole to
# a temporary file before it is uploaded (up to about blob_size_limit; an
# rclone destination that cannot stream uploads needs about twice that) and
# the metadata export writes copies of the local index. Temporary files go to
# $TMPDIR (default /tmp); with TMPDIR unset, SQLite writes one of those copies
# to /var/tmp.
# Supports: 1GB, 10G, 500MB, 1GiB, etc.
# Default: 10GB
#blob_size_limit: 10GB
docs/DATAMODEL.md
+11 -12
View File
@@ -36,8 +36,7 @@ Stores metadata about files in the filesystem being backed up.
**Columns:**
- `id` (TEXT PRIMARY KEY) - UUID for the file record
- `path` (TEXT NOT NULL UNIQUE) - Absolute file path
- `mtime` (INTEGER NOT NULL) - Modification time, whole seconds since the Unix epoch
- `mtime_nsec` (INTEGER NOT NULL) - Nanoseconds within that second, 0 to 999999999
- `mtime` (INTEGER NOT NULL) - Modification time as Unix timestamp
- `size` (INTEGER NOT NULL) - File size in bytes
- `mode` (INTEGER NOT NULL) - Unix file permissions and type
- `uid` (INTEGER NOT NULL) - User ID of file owner
@@ -111,18 +110,17 @@ Maps chunks to the blobs that contain them.
Tracks backup snapshots.
**Columns:**
- `id` (TEXT PRIMARY KEY) - Snapshot ID (format: `hostname_name_timestamp`, e.g. `server1_home_2025-06-01T12:00:00Z`: the hostname up to its first `.`, the snapshot name, and an RFC 3339 UTC timestamp)
- `id` (TEXT PRIMARY KEY) - Snapshot ID (format: hostname-YYYYMMDD-HHMMSSZ)
- `hostname` (TEXT) - Hostname where backup was created
- `vaultik_version` (TEXT) - Version of Vaultik used
- `vaultik_git_revision` (TEXT) - Git revision of Vaultik used
- `started_at` (INTEGER) - Start timestamp
- `completed_at` (INTEGER) - Completion timestamp (NULL if in progress)
- `file_count` (INTEGER) - Number of files in snapshot
- `chunk_count` (INTEGER) - Number of chunks this snapshot stored that were not stored before
- `new_chunk_size` (INTEGER) - Total size of those chunks before compression; `snapshot list` shows it as NEW CHUNK SIZE
- `blob_count` (INTEGER) - Number of blobs this snapshot created
- `chunk_count` (INTEGER) - Number of unique chunks
- `blob_count` (INTEGER) - Number of blobs referenced
- `total_size` (INTEGER) - Total size of all files
- `blob_size` (INTEGER) - Total compressed size of all referenced blobs
- `blob_size` (INTEGER) - Total size of all blobs (compressed)
- `blob_uncompressed_size` (INTEGER) - Total uncompressed size of all referenced blobs
- `compression_ratio` (REAL) - Compression ratio achieved
- `compression_level` (INTEGER) - Compression level used for this snapshot
@@ -219,8 +217,8 @@ The `{remote-key}` directory name is a one-way hash of the human snapshot ID, so
### 4. Restore Process
The restore process doesn't use the local database. Instead:
1. Downloads and decrypts the snapshot's metadata database (`db.zst.age`) from S3
2. Downloads the blobs holding the chunks of the files being restored, found through that database's `blob_chunks` table; the manifest is not read
1. Downloads snapshot metadata from S3
2. Downloads required blobs based on manifest
3. Reconstructs files from decrypted and decompressed chunks
### 5. Pruning
@@ -233,8 +231,9 @@ The restore process doesn't use the local database. Instead:
Before each backup:
1. Query incomplete snapshots (where `completed_at IS NULL`)
2. Delete each one and all its associations, without checking S3 for its metadata
3. Clean up orphaned files, chunks, and blobs
2. Check if metadata exists in S3
3. If no metadata, delete snapshot and all associations
4. Clean up orphaned files, chunks, and blobs
## Repository Pattern
@@ -281,7 +280,7 @@ This ensures consistency, especially important for operations like:
3. **Batch Operations**: Where possible, operations are batched within transactions
4. **Write-Ahead Logging**: The local index runs in SQLite WAL mode with a 10-second busy timeout, so a read-only command such as `snapshot list` can read it while a backup writes to it. Committed rows can sit in the `-wal` file beside the index until a checkpoint, so the metadata export copies the index through SQLite (`VACUUM INTO`), not as a file
4. **Write-Ahead Logging**: SQLite WAL mode is enabled for better concurrency
## Data Integrity
go.mod
+2 -2
View File
@@ -20,11 +20,9 @@ require (
github.com/rclone/rclone v1.72.1
github.com/spf13/afero v1.15.0
github.com/spf13/cobra v1.10.1
github.com/spf13/pflag v1.0.10
github.com/stretchr/testify v1.11.1
go.uber.org/fx v1.24.0
golang.org/x/sync v0.18.0
golang.org/x/sys v0.38.0
golang.org/x/term v0.37.0
gopkg.in/yaml.v3 v3.0.1
modernc.org/sqlite v1.38.0
@@ -227,6 +225,7 @@ require (
github.com/smarty/assertions v1.16.0 // indirect
github.com/sony/gobreaker v1.0.0 // indirect
github.com/spacemonkeygo/monkit/v3 v3.0.25-0.20251022131615-eb24eb109368 // indirect
github.com/spf13/pflag v1.0.10 // indirect
github.com/t3rm1n4l/go-mega v0.0.0-20251031123324-a804aaa87491 // indirect
github.com/tidwall/gjson v1.18.0 // indirect
github.com/tidwall/match v1.1.1 // indirect
@@ -264,6 +263,7 @@ require (
golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
golang.org/x/net v0.47.0 // indirect
golang.org/x/oauth2 v0.33.0 // indirect
golang.org/x/sys v0.38.0 // indirect
golang.org/x/text v0.31.0 // indirect
golang.org/x/time v0.14.0 // indirect
golang.org/x/tools v0.38.0 // indirect
internal/blob/packer.go
-11
View File
@@ -245,17 +245,6 @@ func (p *Packer) Flush(ctx context.Context) error {
return nil
}
// DiscardCurrentBlob closes and removes the temp file of the blob being
// packed, if any, and drops that blob. A caller that stops before Flush
// must call it, or the temp file is left behind. Thread-safe.
func (p *Packer) DiscardCurrentBlob() {
p.mu.Lock()
defer p.mu.Unlock()
p.cleanupTempFile()
p.currentBlob = nil
}
// FinalizeBlob finalizes the current blob being assembled.
// This compresses the accumulated chunks, encrypts the result, and computes
// the content-addressed hash. The finalized blob is either passed to the
internal/cli/app.go
+28 -48
View File
@@ -200,16 +200,12 @@ func RunApp(ctx context.Context, app *fx.App) error {
}
// errReported marks a failure the operation has already shown the user
// (or, under `snapshot verify --json`, put in its document). Entry
// turns it into a non-zero exit status without printing anything
// further, so the error line is not doubled. It flows up from
// RunOperation through cobra to Entry.
// (and deliberately withheld under --json). Entry turns it into a
// non-zero exit status without printing anything further, so the error
// line is not doubled. It flows up from RunOperation through cobra to
// Entry.
var errReported = errors.New("operation failed")
// errInterrupted marks an operation that SIGINT or SIGTERM stopped
// before it finished. Entry shows it and returns exitCodeInterrupted.
var errInterrupted = errors.New("interrupted before the command finished")
// RunOperation runs op against the Vaultik instance inside the fx app
// and turns a failure into a returned error rather than an os.Exit from
// within the goroutine. An os.Exit there skipped main's deferred
@@ -224,21 +220,17 @@ var errInterrupted = errors.New("interrupted before the command finished")
// interrupt OnStop cancels op and waits for the goroutine to return, so
// op's cleanup (removing decrypted scratch files) runs before the
// process exits; the wait is bounded by shutdownTimeout. report is
// called with a failure so the caller can show it to the user before
// it becomes errReported.
//
// The run counts as interrupted unless op returned, without an
// interrupt having cancelled it, before RunWithApp returned. An
// interrupted op is not reported, whatever it returned; RunOperation
// returns errInterrupted instead.
// called with a non-canceled failure so the caller can log it (and
// suppress it under --json) before it becomes errReported. A context
// cancellation is the interrupt path, not a failure: it is neither
// reported nor counted as one.
func RunOperation(
ctx context.Context, opts AppOptions,
op func(v *vaultik.Vaultik) error, report func(err error),
) error {
var (
mu sync.Mutex
finished bool // op returned before any interrupt cancelled it
failed bool // op finished with an error
mu sync.Mutex
failed bool
)
opts.Invokes = append(opts.Invokes,
@@ -249,21 +241,11 @@ func RunOperation(
OnStart: func(_ context.Context) error {
stop = v.StartOperation(func() {
err := op(v)
// Only stop, called from OnStop below, cancels the
// Vaultik context, so a live context means no
// interrupt cancelled op. Check the context, not
// err: an interrupted op need not return
// context.Canceled (`snapshot verify --json`
// returns a verification failure).
if v.Context().Err() == nil {
if err != nil {
report(err)
}
if err != nil && !errors.Is(err, context.Canceled) {
report(err)
mu.Lock()
finished = true
failed = err != nil
failed = true
mu.Unlock()
}
@@ -296,34 +278,28 @@ func RunOperation(
return err
}
// RunWithApp returns only after the app was asked to stop, either by
// an interrupt or by the goroutine's Shutdown call. When op finished
// without being cancelled, the goroutine set finished before that
// call. So if finished is unset here, an interrupt stopped the app,
// and op either returned after it was cancelled or is still running
// because the shutdown timed out.
// The goroutine sets failed before triggering the shutdown that lets
// RunWithApp return, so the write is in place by the time we read it.
mu.Lock()
defer mu.Unlock()
switch {
case !finished:
return errInterrupted
case failed:
if failed {
return errReported
default:
return nil
}
return nil
}
// runVaultikApp runs the standard single-operation command lifecycle
// shared by the snapshot list/purge/remove and remote nuke subcommands:
// resolve the config, then run op against the Vaultik instance through
// RunOperation, reporting a failure prefixed with failMsg on stderr. mode
// says whether the command takes the PID lock. jsonOutput marks a command
// whose stdout is a JSON document: it quiets the UI but, unlike Quiet,
// leaves the stderr log level alone.
// RunOperation, reporting a failure prefixed with failMsg (suppressed
// while suppressErrors is true, e.g. under --json). mode says whether the
// command takes the PID lock. jsonOutput marks a command whose stdout is a
// JSON document: it quiets the UI but, unlike Quiet, leaves the stderr log
// level alone.
func runVaultikApp(
cmd *cobra.Command, mode lockMode, jsonOutput bool,
cmd *cobra.Command, mode lockMode, jsonOutput, suppressErrors bool,
failMsg string, op func(v *vaultik.Vaultik) error,
) error {
configPath, err := ResolveConfigPath()
@@ -343,6 +319,10 @@ func runVaultikApp(
},
Mode: mode,
}, op, func(err error) {
if suppressErrors {
return
}
log.Error(failMsg, "error", err)
ReportErrorf("%s: %v", failMsg, err)
})
internal/cli/config.go
+5 -69
View File
@@ -7,14 +7,11 @@ import (
"os"
"os/exec"
"path/filepath"
"reflect"
"strconv"
"strings"
"unicode/utf8"
"github.com/spf13/cobra"
"gopkg.in/yaml.v3"
"sneak.berlin/go/vaultik/internal/config"
"sneak.berlin/go/vaultik/internal/ui"
)
@@ -34,9 +31,6 @@ const configDirMode = 0o755
// yaml.Marshal's 4-space default.
const configYAMLIndent = 2
// yamlStringTag is YAML's tag for a string scalar.
const yamlStringTag = "!!str"
var (
errConfigExists = errors.New("config file already exists")
errEmptyConfig = errors.New("empty config file")
@@ -51,19 +45,16 @@ const defaultConfigTemplate = `# vaultik configuration
# ─── REQUIRED ────────────────────────────────────────────────────────────────
# Age recipient public keys for encryption. snapshot create needs at least
# one; listing, verifying and restoring do not, so a machine that only
# restores can leave this empty.
# Age recipient public keys for encryption.
# Backups are encrypted to ALL listed recipients; any one of the corresponding
# private keys can decrypt. Adding a recipient later does not re-encrypt data
# already stored: deduplicated chunks and existing blobs stay encrypted to the
# earlier recipients, so a newly added key cannot restore them on its own (see
# docs/REPOSTRUCTURE.md, Accepted Risks). Generate a keypair and add its
# public key with:
# docs/REPOSTRUCTURE.md, Accepted Risks). Generate a keypair with:
# age-keygen -o vaultik_backup_private_key.txt
# grep 'public key' vaultik_backup_private_key.txt
# vaultik config set age_recipients.0 age1...
age_recipients: []
age_recipients:
- age1REPLACE_WITH_YOUR_PUBLIC_KEY
# Named snapshots. Each snapshot backs up one or more paths and can have its
# own exclude patterns in addition to the global excludes below.
@@ -205,7 +196,7 @@ storage_url: ""
# access_key_id: YOUR_ACCESS_KEY
# secret_access_key: YOUR_SECRET_KEY
# # region: us-east-1 # Default: us-east-1
# # part_size: 5MiB # Upload part size, 5MiB to 5GiB. Default: 5MiB
# # part_size: 5MB # Multipart upload part size. Default: 5MB
# # For the s3:// form, disable TLS with ?ssl=false in the URL, not use_ssl.
# ─── OPTIONAL ────────────────────────────────────────────────────────────────
@@ -251,12 +242,6 @@ func NewConfigCommand() *cobra.Command {
Use: "config",
Short: "Manage the configuration file",
Long: "Commands for creating, editing, and querying the vaultik config file.",
// cobra checks Args only on a command that has a Run: without
// one, a mistyped subcommand printed help and exited 0.
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, _ []string) {
_ = cmd.Help()
},
}
cmd.AddCommand(newConfigInitCommand())
@@ -595,58 +580,9 @@ func yamlPathSet(root *yaml.Node, keys []string, value string) error {
}
}
// config.Load reads the file through untyped YAML, which turns an
// unquoted 00112233 into the number 38043 and 1e5 into 100000. Tagging
// a string setting as a string makes the encoder quote such a value.
// Other settings stay unquoted, so compression_level 9 is a number.
// The encoder refuses to write a value that is not valid UTF-8 as a
// string. Left untagged, such a value is written as base64 !!binary and
// loads back unchanged.
if configKeyIsString(keys) && utf8.ValidString(value) {
node.Tag = yamlStringTag
}
return nil
}
// configKeyIsString reports whether the dotted key names a string in
// config.Config, following the fields' yaml tags, as s3.access_key_id and
// snapshots.home.exclude.0 do.
func configKeyIsString(keys []string) bool {
typ := reflect.TypeFor[config.Config]()
for _, key := range keys {
switch {
case typ.Kind() == reflect.Map || typ.Kind() == reflect.Slice:
// The key is a snapshot name or a list index.
typ = typ.Elem()
case typ.Kind() == reflect.Struct:
field, ok := yamlField(typ, key)
if !ok {
return false
}
typ = field.Type
default:
return false
}
}
return typ.Kind() == reflect.String
}
// yamlField returns the field of struct type typ whose yaml tag names key.
func yamlField(typ reflect.Type, key string) (reflect.StructField, bool) {
for field := range typ.Fields() {
name, _, _ := strings.Cut(field.Tag.Get("yaml"), ",")
if name == key {
return field, true
}
}
return reflect.StructField{}, false
}
// yamlSetInMapping resolves (creating if needed) the value node for key
// within a mapping node, setting it to value when it is the final path
// element, and returns the node to descend into.
internal/cli/config_test.go
+2 -146
View File
@@ -4,7 +4,6 @@ import (
"bytes"
"os"
"path/filepath"
"strconv"
"strings"
"testing"
@@ -25,10 +24,8 @@ func TestDefaultConfigTemplateParses(t *testing.T) {
t.Fatalf("default config template is not valid YAML: %v", err)
}
// A placeholder recipient would fail config.Load, so the template
// leaves the list empty.
if len(cfg.AgeRecipients) != 0 {
t.Errorf("expected no age recipients, got %d", len(cfg.AgeRecipients))
if len(cfg.AgeRecipients) != 1 {
t.Errorf("expected 1 placeholder age recipient, got %d", len(cfg.AgeRecipients))
}
home, ok := cfg.Snapshots["home"]
@@ -58,147 +55,6 @@ func TestDefaultConfigTemplateParses(t *testing.T) {
}
}
// TestConfigSetRecipientOnFreshConfig follows the README quickstart: on the
// file `config init` writes, `config set age_recipients.0` and
// `config set storage_url` give a config that loads with that recipient.
func TestConfigSetRecipientOnFreshConfig(t *testing.T) {
t.Parallel()
const recipient = "age1278m9q7dp3chsh2dcy82qk27v047zywyvtxwnj4cvt0z65jw6a7q5dqhfj"
path := filepath.Join(t.TempDir(), "config.yml")
err := os.WriteFile(path, []byte(defaultConfigTemplate), configFileMode)
if err != nil {
t.Fatalf("write config: %v", err)
}
out := ui.NewWithColor(&bytes.Buffer{}, false)
err = writeConfigSet(out, path, "age_recipients.0", recipient)
if err != nil {
t.Fatalf("config set age_recipients.0: %v", err)
}
err = writeConfigSet(out, path, "storage_url", "file:///mnt/backups")
if err != nil {
t.Fatalf("config set storage_url: %v", err)
}
cfg, err := config.Load(path)
if err != nil {
t.Fatalf("config.Load: %v", err)
}
if len(cfg.AgeRecipients) != 1 || cfg.AgeRecipients[0] != recipient {
t.Errorf("age_recipients = %v, want [%s]", cfg.AgeRecipients, recipient)
}
}
// TestConfigSetStringLooksLikeNumber sets string settings to values that
// YAML reads as numbers or booleans when they are unquoted, and checks that
// config.Load returns each one unchanged.
func TestConfigSetStringLooksLikeNumber(t *testing.T) {
t.Parallel()
tests := []struct {
key string
value string
field func(cfg *config.Config) string
}{
{"s3.access_key_id", "00112233",
func(cfg *config.Config) string { return cfg.S3.AccessKeyID }},
{"s3.secret_access_key", "12345678901234567890123456789012",
func(cfg *config.Config) string { return cfg.S3.SecretAccessKey }},
{"hostname", "007",
func(cfg *config.Config) string { return cfg.Hostname }},
{"s3.prefix", "1e5",
func(cfg *config.Config) string { return cfg.S3.Prefix }},
{"s3.bucket", "true",
func(cfg *config.Config) string { return cfg.S3.Bucket }},
{"s3.region", "FALSE",
func(cfg *config.Config) string { return cfg.S3.Region }},
{"snapshots.home.exclude.0", "1.10",
func(cfg *config.Config) string { return cfg.Snapshots["home"].Exclude[0] }},
}
for _, tt := range tests {
t.Run(tt.key+"="+tt.value, func(t *testing.T) {
t.Parallel()
cfg := loadAfterConfigSet(t, tt.key, tt.value)
got := tt.field(cfg)
if got != tt.value {
t.Errorf("%s = %q after config set %q", tt.key, got, tt.value)
}
})
}
}
// TestConfigSetNonUTF8Path checks that config set still accepts a value that
// is not valid UTF-8, such as a path with a Latin-1 file name, and that
// config.Load returns it unchanged.
func TestConfigSetNonUTF8Path(t *testing.T) {
t.Parallel()
const dir = "/srv/caf\xe9"
cfg := loadAfterConfigSet(t, "snapshots.home.paths.0", dir)
got := cfg.Snapshots["home"].Paths[0]
if got != dir {
t.Errorf("snapshots.home.paths.0 = %q, want %q", got, dir)
}
}
// TestConfigSetNumberStaysNumber checks that a number set for an integer
// setting is still read as a number, not as a quoted string.
func TestConfigSetNumberStaysNumber(t *testing.T) {
t.Parallel()
const level = 9
cfg := loadAfterConfigSet(t, "compression_level", strconv.Itoa(level))
if cfg.CompressionLevel != level {
t.Errorf("compression_level = %d, want %d", cfg.CompressionLevel, level)
}
}
// loadAfterConfigSet writes the file `config init` writes, sets storage_url
// to a local directory so that the file passes validation, applies
// `config set key value` and returns what config.Load reads back.
func loadAfterConfigSet(t *testing.T, key, value string) *config.Config {
t.Helper()
path := filepath.Join(t.TempDir(), "config.yml")
err := os.WriteFile(path, []byte(defaultConfigTemplate), configFileMode)
if err != nil {
t.Fatalf("write config: %v", err)
}
out := ui.NewWithColor(&bytes.Buffer{}, false)
err = writeConfigSet(out, path, "storage_url", "file:///mnt/backups")
if err != nil {
t.Fatalf("config set storage_url: %v", err)
}
err = writeConfigSet(out, path, key, value)
if err != nil {
t.Fatalf("config set %s: %v", key, err)
}
cfg, err := config.Load(path)
if err != nil {
t.Fatalf("config.Load: %v", err)
}
return cfg
}
const testYAML = `# top comment
compression_level: 3
age_recipients:
internal/cli/database.go
-6
View File
@@ -15,12 +15,6 @@ func NewDatabaseCommand() *cobra.Command {
Use: "database",
Short: "Manage the local state database",
Long: `Commands for managing the local SQLite state database.`,
// cobra checks Args only on a command that has a Run: without
// one, a mistyped subcommand printed help and exited 0.
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, _ []string) {
_ = cmd.Help()
},
}
cmd.AddCommand(
internal/cli/entry.go
+13 -25
View File
@@ -15,25 +15,17 @@ import (
// the startup banner.
const shortCommitLen = 12
// exitCodeInterrupted is the exit status of a command that SIGINT or
// SIGTERM stopped. It is 128 plus SIGINT's number, 2, which is what a
// shell reports for a command stopped by Ctrl-C.
const exitCodeInterrupted = 130
// Entry is the main entry point for the CLI application.
// It prints the startup banner to stderr (unless a banner-suppressing
// It prints the startup banner to stdout (unless a banner-suppressing
// flag is present in os.Args — see bannerSuppressedInArgs), executes the
// root cobra command, and routes any returned error through the
// ui.Writer so the user sees a properly formatted "🛑 ERROR:" line.
// The banner goes to stderr because stdout carries only the output the
// user asked for, such as a completion script or a `config get` value.
//
// It returns the process exit code (0 on success, 130 when interrupted,
// 1 on any other error) rather than calling os.Exit, so that main's
// deferred profile writers run before the process ends. See run in
// cmd/vaultik/main.go.
// It returns the process exit code (0 on success, 1 on error) rather
// than calling os.Exit, so that main's deferred profile writers run
// before the process ends. See run in cmd/vaultik/main.go.
func Entry() int {
emitStartupBanner(os.Args[1:], os.Stderr)
emitStartupBanner(os.Args[1:], os.Stdout)
rootCmd := NewRootCommand()
rootCmd.SilenceErrors = true
@@ -41,20 +33,14 @@ func Entry() int {
err := rootCmd.Execute()
if err != nil {
// An operation that ran inside the fx app has already reported
// its own failure (`snapshot verify --json` puts it in the
// document instead); errReported says so. Printing it again
// here would double the error line.
// its own failure (and suppressed it under --json); errReported
// says so. Printing it again here would double the error line.
// Every other error — bad arguments, a config that would not
// load, an interrupt — reaches Entry unreported, so it is shown
// here.
// load — reaches Entry unreported, so it is shown here.
if !errors.Is(err, errReported) {
ReportErrorf("%s", err.Error())
}
if errors.Is(err, errInterrupted) {
return exitCodeInterrupted
}
return 1
}
@@ -63,8 +49,9 @@ func Entry() int {
// emitStartupBanner writes the startup banner to w unless args (the
// argument vector with the program name already stripped) contains a
// flag that suppresses it. Split out of Entry so that the decision is
// reachable from a test without running the whole CLI.
// flag that suppresses it. Split out of Entry so that the decision — the
// only thing standing between a --json invocation and a parseable
// stdout — is reachable from a test without running the whole CLI.
func emitStartupBanner(args []string, w io.Writer) {
if bannerSuppressedInArgs(args) {
return
@@ -99,7 +86,8 @@ func ReportErrorf(format string, args ...any) {
// --json is a subcommand flag rather than a persistent one, but so is
// --cron (it exists only on `snapshot create`), so this adds no new
// class of imprecision. The only cost of a false positive is a missing
// decorative banner.
// decorative banner; the cost of a false negative is a corrupt document
// on stdout, so the scan errs deliberately in that direction.
func bannerSuppressedInArgs(args []string) bool {
for _, a := range args {
if a == "--" {
internal/cli/entry_banner_test.go
+49 -25
View File
@@ -36,14 +36,23 @@ const (
// strips it before scanning, so it has to be present.
programName = "vaultik"
// someSnapshotID only fills the positional argument; no test needs
// the snapshot to exist.
// someSnapshotID is any snapshot identifier: these tests never run
// the command, so it only has to occupy the positional argument.
someSnapshotID = "host_2026-01-01T00:00:00Z"
)
// placeholderJSONDocument stands in for whatever document a --json
// command writes to stdout. `snapshot list --json` with no snapshots
// prints exactly this; the other --json commands print an object rather
// than an array, but this test is not about their shape. It is about
// what is on stdout *before* them, which is the same for all of them
// because Entry prints the banner before cobra has parsed anything and
// therefore before it can know which command is running.
const placeholderJSONDocument = "[]\n"
// jsonArgumentVectors are the argument vectors of every --json
// invocation the CLI accepts, with the program name stripped exactly as
// Entry strips it. Each one must suppress the banner.
// Entry strips it. Each one must leave stdout untouched by the banner.
//
//nolint:gochecknoglobals // read-only test fixture shared by two tests
var jsonArgumentVectors = map[string][]string{
@@ -65,23 +74,39 @@ var jsonArgumentVectors = map[string][]string{
},
}
// TestJSONInvocationSuppressesBanner checks that every --json
// invocation suppresses the startup banner, as the README says --json
// does along with --quiet and --cron. The scan is over the raw argument
// vector, so each position and spelling of --json is listed.
func TestJSONInvocationSuppressesBanner(t *testing.T) {
// TestJSONInvocationStdoutIsExactlyOneDocument is the CLI-layer
// regression guard for issue #106: `vaultik snapshot list --json | jq`
// must work with no other flags.
//
// internal/vaultik's TestListSnapshots_JSONStdoutIsOnlyTheDocument
// guards the same contract one layer down, but it calls the library
// function directly and so cannot see Entry, which is where the
// contamination was: the startup banner is written to stdout before
// cobra parses anything, and the suppression scan did not know about
// --json. The two banner lines and the blank line landed ahead of the
// document and `jq` refused the result.
//
// The document is a constant here because this test is about the
// argument vectors, one per --json command; the one that runs a real
// command end to end is TestEntryJSONStdoutIsExactlyOneDocument below.
func TestJSONInvocationStdoutIsExactlyOneDocument(t *testing.T) {
t.Parallel()
for name, argv := range jsonArgumentVectors {
t.Run(name, func(t *testing.T) {
t.Parallel()
var banner bytes.Buffer
var stdout bytes.Buffer
emitStartupBanner(argv, &banner)
emitStartupBanner(argv, &stdout)
assert.Empty(t, banner.String(),
"--json suppresses the banner")
require.Empty(t, stdout.String(),
"nothing may reach stdout ahead of a --json document")
_, err := stdout.WriteString(placeholderJSONDocument)
require.NoError(t, err)
requireExactlyOneJSONDocument(t, stdout.String())
})
}
}
@@ -102,11 +127,11 @@ func TestBannerStillPrintedWithoutSuppressingFlag(t *testing.T) {
t.Run(name, func(t *testing.T) {
t.Parallel()
var banner bytes.Buffer
var stdout bytes.Buffer
emitStartupBanner(argv, &banner)
emitStartupBanner(argv, &stdout)
assert.Contains(t, banner.String(), "starting up at",
assert.Contains(t, stdout.String(), "starting up at",
"the banner belongs on invocations that did not opt out")
})
}
@@ -147,9 +172,9 @@ func TestBannerSuppressedInArgs(t *testing.T) {
// hermeticConfig is a complete, valid config that needs no network and
// no credentials: file:// storage is exempt from the S3 credential
// checks. A test that lists the destination must create its directory
// first, because listing a directory that does not exist is an error.
// Chunk, blob and compression settings are filled in by config.Load.
// checks, and FileStorer over a directory that does not exist lists
// zero objects without erroring. Chunk, blob and compression settings
// are filled in by config.Load.
const hermeticConfig = `age_recipients:
- age1278m9q7dp3chsh2dcy82qk27v047zywyvtxwnj4cvt0z65jw6a7q5dqhfj
snapshots:
@@ -171,25 +196,22 @@ hostname: test-host
// `snapshot list` is the command chosen because it is the only --json
// command that reaches its document without a populated destination
// store: it reads the local index, streams `metadata/` (empty here),
// and treats an empty destination directory as an empty list rather
// than a failure.
// and treats a barren destination as an empty list rather than a
// failure.
//
// Not parallel: it replaces os.Args, os.Stdout and the xdg globals.
func TestEntryJSONStdoutIsExactlyOneDocument(t *testing.T) {
dir := t.TempDir()
configPath := filepath.Join(dir, "config.yml")
storeDir := filepath.Join(dir, "store")
contents := fmt.Sprintf(hermeticConfig,
filepath.Join(dir, "source"),
storeDir,
filepath.Join(dir, "store"),
filepath.Join(dir, "index.sqlite"))
require.NoError(t,
os.WriteFile(configPath, []byte(contents), configFileMode))
require.NoError(t, os.Mkdir(storeDir, 0o750))
// The PID lock lives under xdg.DataHome, which xdg resolves at
// package init; point it at the temp dir so the test neither
// touches nor collides with the real one.
@@ -222,7 +244,9 @@ func TestEntryJSONStdoutIsExactlyOneDocument(t *testing.T) {
// captureProcessStdout redirects the process's own stdout to a pipe for
// the duration of fn and returns what was written to it. The redirection
// has to be at the file-descriptor level rather than through an injected
// writer, because the commands Entry runs reach os.Stdout directly.
// writer, because the banner and the JSON encoder reach os.Stdout
// independently and the point of the test is that both land in the same
// place.
//
// Not parallel-safe: os.Stdout is process-global.
func captureProcessStdout(t *testing.T, fn func()) string {
internal/cli/entry_interrupt_test.go
-203
View File
@@ -1,203 +0,0 @@
package cli //nolint:testpackage // shares runEntry and the argument constants
import (
"fmt"
"net/http"
"net/http/httptest"
"os"
"os/signal"
"path/filepath"
"strings"
"testing"
"time"
"github.com/adrg/xdg"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// stalledStoreConfig is hermeticConfig with an s3:// destination store
// in place of the file:// one. The server behind it accepts any
// credentials.
const stalledStoreConfig = `age_recipients:
- age1278m9q7dp3chsh2dcy82qk27v047zywyvtxwnj4cvt0z65jw6a7q5dqhfj
snapshots:
test:
paths:
- %s
storage_url: s3://bucket?endpoint=%s&ssl=false
s3:
access_key_id: key
secret_access_key: secret
index_path: %s
hostname: test-host
`
// interruptRepeat is how often interruptOnFirstRequest sends SIGINT.
const interruptRepeat = 50 * time.Millisecond
// TestEntryInterruptedRun sends SIGINT to the test process while a
// command waits on the destination store, and checks that Entry returns
// 130 and prints one line on stderr saying the run was interrupted. The
// store is a local HTTP server that holds every request open, so the
// command is always mid-operation when the signal arrives. The two
// cases cover --cron and --json, which silence other output.
//
// Not parallel: it signals the process and replaces os.Args, os.Stdout,
// os.Stderr and the xdg globals.
//
//nolint:paralleltest // signals the process and replaces process globals
func TestEntryInterruptedRun(t *testing.T) {
for _, testCase := range []struct {
name string
args []string
}{
{
name: "snapshot create --cron",
args: []string{cmdSnapshot, cmdCreate, "--cron"},
},
{
name: "snapshot verify --json",
args: []string{cmdSnapshot, cmdVerify, someSnapshotID, flagJSON},
},
} {
t.Run(testCase.name, func(t *testing.T) {
endpoint, requestArrived := startStalledStore(t)
configPath := writeStalledStoreConfig(t, endpoint)
interruptOnFirstRequest(t, requestArrived)
code, _, stderr := runEntry(t,
append([]string{flagConfig, configPath}, testCase.args...)...)
assert.Equal(t, 130, code)
assert.Equal(t, 1,
strings.Count(stderr, errInterrupted.Error()), stderr)
})
}
}
// interruptOnFirstRequest sends SIGINT to the test process every
// interruptRepeat, from the first request to the destination store until
// the test ends. One signal is not enough: the command can reach the
// store before fx has started catching signals. The test catches SIGINT
// too, so that a signal fx is not catching does not kill the test
// binary.
func interruptOnFirstRequest(t *testing.T, requestArrived <-chan struct{}) {
t.Helper()
self, err := os.FindProcess(os.Getpid())
require.NoError(t, err)
caught := make(chan os.Signal, 1)
signal.Notify(caught, os.Interrupt)
testEnded := make(chan struct{})
senderDone := make(chan struct{})
// Stop catching SIGINT only after the sender has returned. The sender
// waits for each SIGINT it sends to arrive on caught; one still on
// its way after signal.Stop would kill the test binary.
t.Cleanup(func() {
close(testEnded)
<-senderDone
signal.Stop(caught)
})
go func() {
defer close(senderDone)
select {
case <-requestArrived:
case <-testEnded:
return
}
ticker := time.NewTicker(interruptRepeat)
defer ticker.Stop()
for {
// Empty caught, so that the receive below waits for this
// SIGINT rather than an earlier one.
select {
case <-caught:
default:
}
sendErr := self.Signal(os.Interrupt)
if sendErr != nil {
t.Errorf("sending SIGINT: %v", sendErr)
return
}
<-caught
select {
case <-testEnded:
return
case <-ticker.C:
}
}
}()
}
// startStalledStore starts an HTTP server that never answers: each
// request is held until the client gives up on it or the test ends.
// It returns the server's host:port and a channel that receives a value
// when the first request arrives.
func startStalledStore(t *testing.T) (string, <-chan struct{}) {
t.Helper()
requestArrived := make(chan struct{}, 1)
release := make(chan struct{})
server := httptest.NewServer(http.HandlerFunc(
func(_ http.ResponseWriter, r *http.Request) {
select {
case requestArrived <- struct{}{}:
default:
}
select {
case <-r.Context().Done():
case <-release:
}
}))
// Cleanups run last-registered first, so release lets any held
// request return before Close waits for it.
t.Cleanup(server.Close)
t.Cleanup(func() { close(release) })
return server.Listener.Addr().String(), requestArrived
}
// writeStalledStoreConfig writes a config whose destination store is the
// server at endpoint and whose snapshot source holds one small file, so
// that `snapshot create` has a blob to upload. Returns the config path.
func writeStalledStoreConfig(t *testing.T, endpoint string) string {
t.Helper()
dir := t.TempDir()
configPath := filepath.Join(dir, "config.yml")
sourceDir := filepath.Join(dir, "source")
require.NoError(t, os.Mkdir(sourceDir, 0o750))
require.NoError(t, os.WriteFile(filepath.Join(sourceDir, "file.txt"),
[]byte("contents"), 0o600))
contents := fmt.Sprintf(stalledStoreConfig,
sourceDir, endpoint, filepath.Join(dir, "index.sqlite"))
require.NoError(t,
os.WriteFile(configPath, []byte(contents), configFileMode))
// The PID lock lives under xdg.DataHome, which xdg resolves at
// package init; point it at the temp dir so the test neither
// touches nor collides with the real one.
t.Setenv("XDG_DATA_HOME", filepath.Join(dir, "data"))
xdg.Reload()
t.Cleanup(xdg.Reload)
return configPath
}
internal/cli/entry_prune_json_test.go
+5 -10
View File
@@ -98,30 +98,25 @@ func TestEntryPruneJSONStdoutIsExactlyOneDocument(t *testing.T) {
}
}
// writeHermeticPruneConfig builds a config over a temp directory with an
// empty destination directory and, if seedStale is set, creates the
// index database up front with one snapshot record that has no
// counterpart on the destination store. Returns the config path.
// writeHermeticPruneConfig builds a config over a temp directory and, if
// seedStale is set, creates the index database up front with one
// snapshot record that has no counterpart on the destination store.
// Returns the config path.
func writeHermeticPruneConfig(t *testing.T, seedStale bool) string {
t.Helper()
dir := t.TempDir()
configPath := filepath.Join(dir, "config.yml")
indexPath := filepath.Join(dir, "index.sqlite")
storeDir := filepath.Join(dir, "store")
contents := fmt.Sprintf(hermeticConfig,
filepath.Join(dir, "source"),
storeDir,
filepath.Join(dir, "store"),
indexPath)
require.NoError(t,
os.WriteFile(configPath, []byte(contents), configFileMode))
// prune fails on a destination directory that does not exist, so the
// empty store is created here rather than left to a first backup.
require.NoError(t, os.Mkdir(storeDir, 0o750))
// The PID lock lives under xdg.DataHome, which xdg resolves at
// package init; point it at the temp dir so the test neither
// touches nor collides with the real one.
internal/cli/entry_snapshot_create_prune_test.go
-108
View File
@@ -1,108 +0,0 @@
package cli //nolint:testpackage // shares runEntry and the hermetic config helpers
import (
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Flags of `snapshot create` used to build argument vectors below.
const (
flagPrune = "--prune"
flagKeepNewerThan = "--keep-newer-than"
)
// TestEntrySnapshotCreateRejectsKeepNewerThanBeforeBackup checks that a
// --keep-newer-than the post-backup prune could not use stops `snapshot
// create` before the backup: the command fails and the destination
// store stays empty. It used to be read only by the prune, after the
// snapshot was uploaded, and without --prune it was ignored.
//
//nolint:paralleltest // replaces os.Args, os.Stdout, os.Stderr and the xdg globals
func TestEntrySnapshotCreateRejectsKeepNewerThanBeforeBackup(t *testing.T) {
for _, testCase := range []struct {
name string
args []string
}{
{
name: "decimal in a day count",
args: []string{flagPrune, flagKeepNewerThan, "1.5d"},
},
{
name: "unknown unit",
args: []string{flagPrune, flagKeepNewerThan, "4x"},
},
{
name: "without --prune",
args: []string{flagKeepNewerThan, "4w"},
},
} {
t.Run(testCase.name, func(t *testing.T) {
configPath, storeDir := writeBackupConfig(t)
code, _, _ := runEntry(t, append(
[]string{flagConfig, configPath, cmdSnapshot, cmdCreate},
testCase.args...)...)
assert.Equal(t, 1, code)
stored, err := os.ReadDir(storeDir)
require.NoError(t, err)
assert.Empty(t, stored, "nothing may be uploaded")
})
}
}
// TestEntrySnapshotCreateReportsPostBackupPruneFailure makes the
// post-backup prune fail after a good backup, by planting a manifest
// that cannot be decoded, and checks that the failure is reported as the
// prune's and not as a failed snapshot creation.
//
//nolint:paralleltest // replaces os.Args, os.Stdout, os.Stderr and the xdg globals
func TestEntrySnapshotCreateReportsPostBackupPruneFailure(t *testing.T) {
configPath, storeDir := writeBackupConfig(t)
// A remote key is 64 lowercase hex characters. The prune reads every
// manifest on the store and fails on one it cannot decode.
plantedDir := filepath.Join(storeDir, "metadata", strings.Repeat("a", 64))
require.NoError(t, os.MkdirAll(plantedDir, 0o750))
require.NoError(t, os.WriteFile(
filepath.Join(plantedDir, "manifest.json.zst"),
[]byte("not a valid manifest"), 0o600))
code, _, stderr := runEntry(t,
flagConfig, configPath, cmdSnapshot, cmdCreate, flagPrune)
assert.Equal(t, 1, code)
assert.Contains(t, stderr, "Backup completed, but post-backup prune failed")
assert.NotContains(t, stderr, "Snapshot creation failed")
snapshots, err := os.ReadDir(filepath.Join(storeDir, "metadata"))
require.NoError(t, err)
assert.Len(t, snapshots, 2,
"the new snapshot is on the store beside the planted one")
}
// writeBackupConfig builds a hermetic config with one small file in its
// source directory and an empty destination store directory. Returns the
// config path and the store directory.
func writeBackupConfig(t *testing.T) (string, string) {
t.Helper()
configPath := writeHermeticPruneConfig(t, false)
// writeHermeticPruneConfig puts the source and store directories
// beside the config file.
dir := filepath.Dir(configPath)
sourceDir := filepath.Join(dir, "source")
require.NoError(t, os.Mkdir(sourceDir, 0o750))
require.NoError(t, os.WriteFile(
filepath.Join(sourceDir, "file.txt"), []byte("hello"), 0o600))
return configPath, filepath.Join(dir, "store")
}
internal/cli/entry_status_test.go
+3 -3
View File
@@ -15,8 +15,8 @@ import (
// run, so a failing command must come back with a non-zero code rather
// than ending the process here.
//
// Stdout and stderr are captured only to keep the banner and command
// output off the test log; the assertion is on the returned code.
// Stdout is captured only to keep the banner and command output off the
// test log; the assertion is on the returned code.
//
//nolint:paralleltest // replaces os.Args and rootFlags
func TestEntryReturnsStatusCode(t *testing.T) {
@@ -50,7 +50,7 @@ func TestEntryReturnsStatusCode(t *testing.T) {
var code int
_, _ = captureProcessStdoutAndStderr(t, func() { code = Entry() })
_ = captureProcessStdout(t, func() { code = Entry() })
assert.Equal(t, testCase.want, code)
})
internal/cli/entry_stdout_stderr_test.go
-200
View File
@@ -1,200 +0,0 @@
package cli //nolint:testpackage // shares hermeticConfig and the capture helpers
import (
"context"
"encoding/json"
"fmt"
"log/slog"
"os"
"path/filepath"
"strings"
"testing"
"github.com/adrg/xdg"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/database"
)
// TestEntryCompletionStdoutIsTheScript runs `vaultik completion bash`,
// whose stdout the README tells the user to source. The script has to
// start on the first line.
//
//nolint:paralleltest // replaces os.Args, os.Stdout and os.Stderr
func TestEntryCompletionStdoutIsTheScript(t *testing.T) {
code, stdout, _ := runEntry(t, "completion", "bash")
require.Equal(t, 0, code)
firstLine, _, _ := strings.Cut(stdout, "\n")
assert.True(t, strings.HasPrefix(firstLine, "# bash completion"),
"the first line of stdout must be the script's, got %q", firstLine)
}
// TestEntryConfigGetStdoutIsTheValue runs `vaultik config get`, whose
// stdout a script reads as the value and nothing else.
//
//nolint:paralleltest // replaces os.Args, os.Stdout and os.Stderr
func TestEntryConfigGetStdoutIsTheValue(t *testing.T) {
configPath := filepath.Join(t.TempDir(), "config.yml")
require.NoError(t, os.WriteFile(configPath,
[]byte("hostname: test-host\n"), configFileMode))
code, stdout, _ := runEntry(t,
flagConfig, configPath, "config", "get", "hostname")
require.Equal(t, 0, code)
assert.Equal(t, "test-host\n", stdout)
}
// TestEntryJSONFailureIsReportedOnStderr runs each --json command that
// writes no document when it fails, against a destination it cannot
// use. The error must reach stderr, and stdout must stay empty.
//
//nolint:paralleltest // replaces os.Args, os.Stdout, os.Stderr and the xdg globals
func TestEntryJSONFailureIsReportedOnStderr(t *testing.T) {
for _, testCase := range []struct {
name string
args []string
wantOnStderr string
}{
{
name: "remote info",
args: []string{cmdRemote, cmdInfo, flagJSON},
wantOnStderr: "Failed to get remote info",
},
{
name: "prune",
args: []string{cmdPrune, flagJSON},
wantOnStderr: "Prune failed",
},
{
name: "snapshot remove",
args: []string{cmdSnapshot, cmdRemove, someSnapshotID, flagJSON},
wantOnStderr: "Failed to remove snapshot",
},
} {
t.Run(testCase.name, func(t *testing.T) {
configPath := writeUnusableDestinationConfig(t)
code, stdout, stderr := runEntry(t,
append([]string{flagConfig, configPath}, testCase.args...)...)
assert.Equal(t, 1, code)
assert.Empty(t, stdout,
"a failed --json command has no document to write")
assert.Contains(t, stderr, testCase.wantOnStderr,
"the failure must be reported on stderr")
})
}
}
// TestEntrySnapshotRemoveJSONWarningIsOnStderr runs `snapshot remove
// --json` on a snapshot in the local index, against a destination
// directory that does not exist. The command removes the snapshot from
// the local index and still exits 0. Its stdout must hold the document
// alone, with the warning about the destination store on stderr: the
// command to run again once it is reachable, and the snapshot's ID in
// the record's snapshot_id field.
//
//nolint:paralleltest // replaces os.Args, os.Stdout, os.Stderr and the xdg globals
func TestEntrySnapshotRemoveJSONWarningIsOnStderr(t *testing.T) {
configPath, indexPath := writeMissingDestinationConfig(t)
seedStaleSnapshotRecord(t, indexPath)
code, stdout, stderr := runEntry(t, flagConfig, configPath,
cmdSnapshot, cmdRemove, stalePruneSnapshotID, flagJSON)
require.Equal(t, 0, code)
requireExactlyOneJSONDocument(t, stdout)
// stderr is a pipe here, so the logger writes one JSON record a line.
var warning map[string]any
for line := range strings.Lines(stderr) {
if strings.Contains(line,
"Could not remove snapshot metadata from remote storage") {
require.NoError(t, json.Unmarshal([]byte(line), &warning))
}
}
require.NotNil(t, warning, "the warning must reach stderr")
assert.Contains(t, warning[slog.MessageKey],
"run 'vaultik snapshot remove' with the snapshot's ID again")
assert.Equal(t, stalePruneSnapshotID, warning["snapshot_id"])
}
// writeMissingDestinationConfig builds a config whose destination
// directory does not exist. Returns the config path and the path of
// its local index, which is not created here.
func writeMissingDestinationConfig(t *testing.T) (string, string) {
t.Helper()
dir := t.TempDir()
configPath := filepath.Join(dir, "config.yml")
indexPath := filepath.Join(dir, "index.sqlite")
contents := fmt.Sprintf(hermeticConfig,
filepath.Join(dir, "source"),
filepath.Join(dir, "missing-store"),
indexPath)
require.NoError(t,
os.WriteFile(configPath, []byte(contents), configFileMode))
// The PID lock lives under xdg.DataHome, which xdg resolves at
// package init; point it at the temp dir so the test neither
// touches nor collides with the real one.
t.Setenv("XDG_DATA_HOME", filepath.Join(dir, "data"))
xdg.Reload()
t.Cleanup(xdg.Reload)
return configPath, indexPath
}
// writeUnusableDestinationConfig builds a config whose destination
// directory does not exist, which fails `remote info`, and whose local
// index is bound to another destination, which fails `prune` and
// `snapshot remove` (a missing destination alone only makes `snapshot
// remove` warn). Returns the config path.
func writeUnusableDestinationConfig(t *testing.T) string {
t.Helper()
configPath, indexPath := writeMissingDestinationConfig(t)
ctx := context.Background()
db, err := database.New(ctx, indexPath)
require.NoError(t, err)
defer func() { require.NoError(t, db.Close()) }()
require.NoError(t, database.NewRepositories(db).LocalMeta.Set(ctx,
database.LocalMetaKeyStorageURL, "file://"+t.TempDir()))
return configPath
}
// runEntry runs Entry with args after the program name and returns its
// exit code and what it wrote to stdout and stderr.
//
// Not parallel-safe: it replaces os.Args, os.Stdout and os.Stderr.
func runEntry(t *testing.T, args ...string) (int, string, string) {
t.Helper()
previousArgs := os.Args
t.Cleanup(func() {
os.Args = previousArgs
rootFlags = RootFlags{}
})
os.Args = append([]string{programName}, args...)
var code int
stdout, stderr := captureProcessStdoutAndStderr(t,
func() { code = Entry() })
return code, stdout, stderr
}
internal/cli/entry_unknown_subcommand_test.go
-43
View File
@@ -1,43 +0,0 @@
package cli //nolint:testpackage // shares runEntry and the command-word constants
import (
"testing"
"github.com/stretchr/testify/assert"
)
// TestEntryGroupRejectsUnknownSubcommand runs each group command with a
// mistyped subcommand, as a crontab line might carry one. It must fail
// with exit 1 and name the word, as `vaultik bogus` does at the top
// level, instead of printing the group's help and exiting 0 having done
// nothing. The group name alone still prints its help.
//
//nolint:paralleltest // replaces os.Args, os.Stdout and os.Stderr
func TestEntryGroupRejectsUnknownSubcommand(t *testing.T) {
for _, testCase := range []struct {
group string
mistyped string
}{
{group: cmdSnapshot, mistyped: "craete"},
{group: "config", mistyped: "inti"},
{group: cmdRemote, mistyped: "ifno"},
{group: "database", mistyped: "delte"},
{group: "completion", mistyped: "nosuchshell"},
} {
t.Run(testCase.group, func(t *testing.T) {
code, stdout, stderr := runEntry(t,
testCase.group, testCase.mistyped)
assert.Equal(t, 1, code)
assert.Empty(t, stdout)
assert.Contains(t, stderr,
`unknown command "`+testCase.mistyped+`"`)
code, stdout, _ = runEntry(t, testCase.group)
assert.Equal(t, 0, code)
assert.Contains(t, stdout,
programName+" "+testCase.group+" [command]")
})
}
}
internal/cli/json_help_test.go
-24
View File
@@ -1,24 +0,0 @@
package cli //nolint:testpackage // exercises the unexported command constructor
import (
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
)
// TestJSONHelpSaysConfirmationPromptIsSkipped checks that the --json help
// of `snapshot remove` and `prune` says the flag skips the confirmation
// prompt. Both delete without asking under --json, since a prompt on
// stdout would break the JSON document.
func TestJSONHelpSaysConfirmationPromptIsSkipped(t *testing.T) {
t.Parallel()
for _, cmd := range []*cobra.Command{
newSnapshotRemoveCommand(),
NewPruneCommand(),
} {
assert.Contains(t, cmd.Flags().Lookup("json").Usage,
"skips the confirmation prompt", cmd.Name())
}
}
internal/cli/prune.go
+8 -7
View File
@@ -22,11 +22,9 @@ scans every snapshot manifest in the destination store, builds the
set of still-referenced blob hashes, and deletes any blob not in that
set.
Snapshot create --prune runs the same cleanup automatically; this
command is the manual entry point for the same work (e.g. after a
crashed backup or to reclaim storage). Snapshot remove leaves blobs in
place; run this command afterwards to delete the ones no longer
referenced.`,
Snapshot create --prune and snapshot remove run the same cleanup
automatically; this command is the manual entry point for the same
work (e.g. after a crashed backup or to reclaim storage).`,
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, _ []string) error {
// Use unified config resolution
@@ -50,6 +48,10 @@ referenced.`,
}, func(v *vaultik.Vaultik) error {
return v.Prune(opts)
}, func(err error) {
if opts.JSON {
return
}
log.Error("Prune operation failed", "error", err)
ReportErrorf("Prune failed: %v", err)
})
@@ -57,8 +59,7 @@ referenced.`,
}
cmd.Flags().BoolVar(&opts.Force, "force", false, "Skip confirmation prompt")
cmd.Flags().BoolVar(&opts.JSON, "json", false,
"Output pruning stats as JSON; skips the confirmation prompt, as --force does")
cmd.Flags().BoolVar(&opts.JSON, "json", false, "Output pruning stats as JSON")
return cmd
}
internal/cli/remote.go
+5 -7
View File
@@ -18,12 +18,6 @@ func NewRemoteCommand() *cobra.Command {
Use: "remote",
Short: "Remote storage management commands",
Long: "Commands for inspecting and managing remote storage",
// cobra checks Args only on a command that has a Run: without
// one, a mistyped subcommand printed help and exited 0.
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, _ []string) {
_ = cmd.Help()
},
}
// Add subcommands
@@ -51,7 +45,7 @@ This is destructive and irreversible. Requires --force.`,
return errNukeNeedsForce
}
return runVaultikApp(cmd, mutating, false, "Remote nuke failed",
return runVaultikApp(cmd, mutating, false, false, "Remote nuke failed",
func(v *vaultik.Vaultik) error {
return v.NukeRemote(true)
})
@@ -98,6 +92,10 @@ func newRemoteInfoCommand() *cobra.Command {
}, func(v *vaultik.Vaultik) error {
return v.RemoteInfo(jsonOutput)
}, func(err error) {
if jsonOutput {
return
}
log.Error("Failed to get remote info", "error", err)
ReportErrorf("Failed to get remote info: %v", err)
})
internal/cli/root.go
+1 -17
View File
@@ -60,8 +60,7 @@ on the source system.`,
cmd.PersistentFlags().BoolVar(&rootFlags.SkipErrors, "skip-errors", false,
"Skip files that cannot be read when creating a snapshot, or "+
"that cannot be restored when restoring, instead of aborting "+
"(packing and storage errors while creating a snapshot still "+
"abort)")
"(packing and storage errors still abort)")
// Add subcommands
cmd.AddCommand(
@@ -74,21 +73,6 @@ on the source system.`,
NewDatabaseCommand(),
)
// cobra adds the completion command only when Execute runs, and with
// no Run, so it skipped its own cobra.NoArgs and a mistyped shell name
// printed help and exited 0. Adding it here lets it have a Run. Its
// scripts go to os.Stdout as it is now: a later SetOut does not
// redirect them.
cmd.InitDefaultCompletionCmd()
for _, sub := range cmd.Commands() {
if sub.Name() == "completion" {
sub.Run = func(completion *cobra.Command, _ []string) {
_ = completion.Help()
}
}
}
return cmd
}
internal/cli/snapshot.go
+9 -34
View File
@@ -41,12 +41,6 @@ func NewSnapshotCommand() *cobra.Command {
Use: "snapshot",
Short: "Snapshot management commands",
Long: "Commands for creating, listing, and managing snapshots",
// cobra checks Args only on a command that has a Run: without
// one, a mistyped subcommand printed help and exited 0.
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, _ []string) {
_ = cmd.Help()
},
}
// Add subcommands
@@ -72,16 +66,10 @@ func newSnapshotCreateCommand() *cobra.Command {
If snapshot names are provided, only those snapshots are created.
If no names are provided, all configured snapshots are created.
The config is read from the path given by --config or VAULTIK_CONFIG;
otherwise from the platform config directory (~/.config/vaultik/config.yml
on Linux), then /etc/vaultik/config.yml.`,
Config is located at /etc/vaultik/config.yml by default, but can be overridden by
specifying a path using --config or by setting VAULTIK_CONFIG to a path.`,
Args: cobra.ArbitraryArgs,
RunE: func(cmd *cobra.Command, args []string) error {
err := opts.Validate()
if err != nil {
return err
}
// Pass snapshot names from args
opts.Snapshots = args
// --skip-errors is a global flag on the root command.
@@ -108,13 +96,6 @@ on Linux), then /etc/vaultik/config.yml.`,
}, func(v *vaultik.Vaultik) error {
return v.CreateSnapshot(opts)
}, func(err error) {
if errors.Is(err, vaultik.ErrPostBackupPruneFailed) {
log.Error("Post-backup prune failed", "error", err)
ReportErrorf("Backup completed, but %v", err)
return
}
log.Error("Snapshot creation failed", "error", err)
ReportErrorf("Snapshot creation failed: %v", err)
})
@@ -145,7 +126,7 @@ func newSnapshotListCommand() *cobra.Command {
Long: "Lists all snapshots with their ID, timestamp, and compressed size",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, _ []string) error {
return runVaultikApp(cmd, readOnly, false,
return runVaultikApp(cmd, readOnly, false, false,
"Failed to list snapshots",
func(v *vaultik.Vaultik) error {
return v.ListSnapshots(jsonOutput)
@@ -181,7 +162,7 @@ restrict the operation to specific snapshot names.`,
return errPurgeCriteriaBoth
}
return runVaultikApp(cmd, mutating, false,
return runVaultikApp(cmd, mutating, false, false,
"Failed to purge snapshots",
func(v *vaultik.Vaultik) error {
return v.PurgeSnapshotsWithOptions(opts)
@@ -273,23 +254,18 @@ manifest (the destination store may hold snapshots this host doesn't
know about), which is what 'vaultik prune' does. On success the command
prints the exact 'vaultik prune' invocation to run as a follow-up.
An ID that names no snapshot in the local index or on the destination
store is an error.
Use --local-only to skip the remote half (e.g. when you want to forget a
snapshot locally without touching the destination store); the snapshot
must then be in the local index.
snapshot locally without touching the destination store).
If the remote is unreachable, the local-database removal still completes
and a warning is emitted; run 'vaultik snapshot remove <snapshot-id>' again
once the destination store is reachable to remove the snapshot's metadata
from it ('vaultik prune' does not).
and a warning is emitted; rerun 'vaultik prune' once the destination store
is reachable to finish remote cleanup.
To wipe the entire destination store and start over, use 'vaultik remote
nuke --force' — it is the single supported entry point for that.`,
Args: requireSnapshotIDArg,
RunE: func(cmd *cobra.Command, args []string) error {
return runVaultikApp(cmd, mutating, opts.JSON,
return runVaultikApp(cmd, mutating, opts.JSON, opts.JSON,
"Failed to remove snapshot",
func(v *vaultik.Vaultik) error {
_, err := v.RemoveSnapshot(args[0], opts)
@@ -302,8 +278,7 @@ nuke --force' — it is the single supported entry point for that.`,
cmd.Flags().BoolVarP(&opts.Force, "force", "f", false, "Skip confirmation prompt")
cmd.Flags().BoolVar(&opts.DryRun, "dry-run", false,
"Show what would be removed without removing")
cmd.Flags().BoolVar(&opts.JSON, "json", false,
"Output result as JSON; skips the confirmation prompt, as --force does")
cmd.Flags().BoolVar(&opts.JSON, "json", false, "Output result as JSON")
cmd.Flags().BoolVar(&opts.LocalOnly, "local-only", false,
"Skip remote cleanup; only touch the local index")
internal/config/config.go
+18 -42
View File
@@ -33,19 +33,18 @@ const secretKeyPrefix = "AGE-SECRET-KEY-"
const (
defaultBlobSizeLimit = Size(10 * 1024 * 1024 * 1024) // 10GB
defaultChunkSize = Size(10 * 1024 * 1024) // 10MB
defaultS3PartSize = Size(5 * 1024 * 1024) // 5MiB
defaultS3PartSize = Size(5 * 1024 * 1024) // 5MB
defaultCompressionLevel = 3
minChunkSize = 1024 * 1024 // 1MB
minCompressionLevel = 1
maxCompressionLevel = 19
// S3 accepts a multipart upload part from 5MiB to 5GiB.
minS3PartSize = 5 * 1024 * 1024
maxS3PartSize = 5 * 1024 * 1024 * 1024
)
// Sentinel validation errors.
var (
errNoConfigPath = errors.New("config path not provided")
errNoConfigPath = errors.New("config path not provided")
errNoAgeRecipients = errors.New(
"at least one age_recipient is required (generate with: age-keygen)")
errRecipientIsSecretKey = errors.New(
"an age secret key was given where a public key (age1...) belongs")
errRecipientNotX25519 = errors.New(
@@ -58,12 +57,8 @@ var (
"blob_size_limit must be at least the largest chunk the chunker can " +
"emit (chunk_size times the FastCDC size spread)")
errBadCompression = errors.New("compression_level must be between 1 and 19")
errBadS3PartSize = errors.New("s3.part_size must be between 5MiB and 5GiB")
errBadStorageScheme = errors.New(
"storage_url must start with s3://, file://, or rclone://")
errFileURLNotAbsolute = errors.New(
"a file:// storage_url needs an absolute path, " +
"as in file:///path/to/backup")
errStorageNotConfigured = errors.New(
"storage not configured; set storage_url or provide s3.endpoint + " +
"s3.bucket + credentials")
@@ -251,7 +246,6 @@ func Load(path string) (*Config, error) {
ChunkSize: defaultChunkSize,
IndexPath: filepath.Join(xdg.DataHome, appName, "index.sqlite"),
CompressionLevel: defaultCompressionLevel,
S3: S3Config{PartSize: defaultS3PartSize},
}
// Convert smartconfig data to YAML then unmarshal
@@ -302,13 +296,17 @@ func Load(path string) (*Config, error) {
cfg.S3.Region = "us-east-1"
}
if cfg.S3.PartSize == 0 {
cfg.S3.PartSize = defaultS3PartSize
}
// Check config file permissions (warn if world or group readable)
//nolint:gosec // G703: config path is operator-supplied by design
info, statErr := os.Stat(path)
if statErr == nil {
mode := info.Mode().Perm()
if mode&0044 != 0 { // group or world readable
log.Warn(cfg.readableByOthersWarning(),
log.Warn("Config file has insecure permissions (contains S3 credentials)",
"path", path,
"mode", fmt.Sprintf("%04o", mode),
"recommendation", "chmod 600 "+path)
@@ -325,10 +323,9 @@ func Load(path string) (*Config, error) {
// Validate checks if the configuration is valid and complete.
// It ensures all required fields are present and have valid values:
// - Every age recipient must parse as an X25519 age1... public key (so a
// bad entry fails at load, not mid-backup); errors name the position,
// never the value. An empty list is accepted, because only snapshot
// create needs a recipient and it checks for one itself
// - At least one age recipient must be specified, and every recipient must
// parse as an X25519 age1... public key (so a bad entry fails at load, not
// mid-backup); errors name the position, never the value
// - At least one snapshot must be configured with at least one path
// - Storage must be configured (either storage_url or s3.* fields)
// - Chunk size must be at least 1MB
@@ -336,10 +333,13 @@ func Load(path string) (*Config, error) {
// (chunk_size times chunker.ChunkSizeSpread), so a single-chunk blob never
// exceeds the configured limit
// - Compression level must be between 1 and 19
// - S3 part size must be between 5MiB and 5GiB, the part sizes S3 accepts
//
// Returns an error describing the first validation failure encountered.
func (c *Config) Validate() error {
if len(c.AgeRecipients) == 0 {
return errNoAgeRecipients
}
for i, recipient := range c.AgeRecipients {
err := validateAgeRecipient(recipient)
if err != nil {
@@ -381,11 +381,6 @@ func (c *Config) Validate() error {
return errBadCompression
}
if c.S3.PartSize.Int64() < minS3PartSize ||
c.S3.PartSize.Int64() > maxS3PartSize {
return errBadS3PartSize
}
return nil
}
@@ -421,18 +416,6 @@ func (c *Config) setAgeSecretKey() {
}
}
// readableByOthersWarning is the warning Load logs when others can read
// the config file. It says "may contain" because the S3 credentials are
// seen only after smartconfig has replaced any ${...} reference in the
// file with its value, so a set credential need not be in the file.
func (c *Config) readableByOthersWarning() string {
if c.S3.AccessKeyID != "" || c.S3.SecretAccessKey != "" {
return "Config file is readable by others and may contain S3 credentials"
}
return "Config file is readable by others"
}
// validateStorage validates storage configuration.
// If StorageURL is set, it takes precedence. S3 URLs require credentials.
// File URLs don't require any S3 configuration.
@@ -464,18 +447,11 @@ func (c *Config) validateStorage() error {
// validateStorageURL validates URL-based storage configuration. File and
// rclone URLs need no credentials; S3 URLs require the legacy s3.*
// credential fields. A file URL must name an absolute path: a relative one
// would resolve against the working directory, so the destination would
// move with it.
// credential fields.
func (c *Config) validateStorageURL() error {
switch {
case strings.HasPrefix(c.StorageURL, "file://"):
// storage.ParseStorageURL applies the same rule, but config
// cannot import storage, which imports config.
if !strings.HasPrefix(c.StorageURL, "file:///") {
return errFileURLNotAbsolute
}
// File storage doesn't need S3 credentials
return nil
case strings.HasPrefix(c.StorageURL, "rclone://"):
// Rclone storage uses rclone's own config
internal/config/config_test.go
+2 -276
View File
@@ -8,7 +8,6 @@ import (
"testing"
"sneak.berlin/go/vaultik/internal/chunker"
"sneak.berlin/go/vaultik/internal/log"
)
const (
@@ -167,7 +166,6 @@ func TestValidateBlobSizeLimit(t *testing.T) {
ChunkSize: chunkSize,
BlobSizeLimit: blobLimit,
CompressionLevel: 3,
S3: S3Config{PartSize: defaultS3PartSize},
}
}
@@ -223,153 +221,9 @@ func TestValidateBlobSizeLimit(t *testing.T) {
}
}
// TestValidateS3PartSize checks that s3.part_size is held to the part sizes
// S3 accepts, 5MiB to 5GiB, by changing only the part size of the test
// config. "5MB" in the config file is 5,000,000 bytes, below the minimum.
func TestValidateS3PartSize(t *testing.T) {
t.Parallel()
base, err := Load(os.Getenv("VAULTIK_CONFIG"))
if err != nil {
t.Fatalf("Failed to load config: %v", err)
}
tests := []struct {
name string
partSize Size
wantErr bool
}{
{
name: "5MB is rejected",
partSize: 5_000_000,
wantErr: true,
},
{
name: "one byte below 5MiB is rejected",
partSize: minS3PartSize - 1,
wantErr: true,
},
{
name: "5MiB is accepted",
partSize: minS3PartSize,
wantErr: false,
},
{
name: "5GiB is accepted",
partSize: maxS3PartSize,
wantErr: false,
},
{
name: "one byte above 5GiB is rejected",
partSize: maxS3PartSize + 1,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
cfg := *base
cfg.S3.PartSize = tt.partSize
err := cfg.Validate()
if tt.wantErr {
if !errors.Is(err, errBadS3PartSize) {
t.Fatalf("Validate() error = %v, want errBadS3PartSize", err)
}
return
}
if err != nil {
t.Fatalf("Validate() unexpected error: %v", err)
}
})
}
}
// TestLoadS3PartSize checks that a config file without s3.part_size loads
// with the 5MiB default, and that an explicit 0 fails at load like any other
// part size S3 refuses.
func TestLoadS3PartSize(t *testing.T) {
t.Parallel()
const withoutPartSize = "snapshots:\n" +
" test:\n" +
" paths: [/tmp/vaultik-test-source]\n" +
"storage_url: file:///tmp/vaultik-test-storage\n"
writeConfig := func(t *testing.T, text string) string {
t.Helper()
path := filepath.Join(t.TempDir(), "config.yml")
err := os.WriteFile(path, []byte(text), 0o600)
if err != nil {
t.Fatalf("write config: %v", err)
}
return path
}
t.Run("absent loads as 5MiB", func(t *testing.T) {
t.Parallel()
cfg, err := Load(writeConfig(t, withoutPartSize))
if err != nil {
t.Fatalf("Load() unexpected error: %v", err)
}
if cfg.S3.PartSize != defaultS3PartSize {
t.Errorf("s3.part_size = %d, want %d",
cfg.S3.PartSize, defaultS3PartSize)
}
})
t.Run("0 is rejected", func(t *testing.T) {
t.Parallel()
_, err := Load(writeConfig(t, withoutPartSize+"s3:\n part_size: 0\n"))
if !errors.Is(err, errBadS3PartSize) {
t.Fatalf("Load() error = %v, want errBadS3PartSize", err)
}
})
}
// TestLoadRejectsRelativeFileURL checks that a file:// storage_url with a
// relative path fails at load. Accepted, it would resolve against the
// working directory, so a backup run from another directory would write
// to a different destination and still succeed.
func TestLoadRejectsRelativeFileURL(t *testing.T) {
t.Parallel()
const relativeConfig = "snapshots:\n" +
" test:\n" +
" paths: [/tmp/vaultik-test-source]\n" +
"storage_url: file://dest\n"
path := filepath.Join(t.TempDir(), "config.yml")
err := os.WriteFile(path, []byte(relativeConfig), 0o600)
if err != nil {
t.Fatalf("write config: %v", err)
}
_, err = Load(path)
if !errors.Is(err, errFileURLNotAbsolute) {
t.Fatalf("Load() error = %v, want errFileURLNotAbsolute", err)
}
if !strings.Contains(err.Error(), "absolute path") {
t.Errorf("error %q does not say to use an absolute path", err.Error())
}
}
// TestValidateAgeRecipients checks that recipients are parsed at config load
// (a bad entry fails immediately, not mid-backup) and that no invalid entry —
// least of all a pasted secret key — is echoed in the error. An empty list
// loads, because only snapshot create needs a recipient.
// least of all a pasted secret key — is echoed in the error.
func TestValidateAgeRecipients(t *testing.T) {
t.Parallel()
@@ -381,7 +235,6 @@ func TestValidateAgeRecipients(t *testing.T) {
ChunkSize: Size(10 * 1024 * 1024),
BlobSizeLimit: Size(10 * 1024 * 1024 * 1024),
CompressionLevel: 3,
S3: S3Config{PartSize: defaultS3PartSize},
}
}
@@ -391,12 +244,7 @@ func TestValidateAgeRecipients(t *testing.T) {
wantErr bool
}{
{
name: "no recipients is accepted",
recipients: nil,
wantErr: false,
},
{
name: "placeholder recipient is rejected",
name: "config init placeholder is rejected",
recipients: []string{"age1REPLACE_WITH_YOUR_PUBLIC_KEY"},
wantErr: true,
},
@@ -489,125 +337,3 @@ func TestAgeSecretKeySourceName(t *testing.T) {
})
}
}
// loadReadableConfig writes configYAML to a file that others can read,
// loads it, and returns what the logger wrote to stderr meanwhile. The
// logger writes to the os.Stderr it finds when it is initialized, so
// os.Stderr is pointed at a file first. Not parallel-safe: os.Stderr and
// the logger are process-global.
func loadReadableConfig(t *testing.T, configYAML string) string {
t.Helper()
dir := t.TempDir()
configPath := filepath.Join(dir, "config.yml")
stderrPath := filepath.Join(dir, "stderr")
err := os.WriteFile(configPath, []byte(configYAML), 0o600)
if err != nil {
t.Fatalf("writing config: %v", err)
}
//nolint:gosec // G302: the test needs a config file others can read
err = os.Chmod(configPath, 0o644)
if err != nil {
t.Fatalf("chmod config: %v", err)
}
stderrFile, err := os.Create(stderrPath) //nolint:gosec // G304: test temp path
if err != nil {
t.Fatalf("creating stderr file: %v", err)
}
previous := os.Stderr
os.Stderr = stderrFile
log.Initialize(log.Config{})
_, loadErr := Load(configPath)
os.Stderr = previous
log.Initialize(log.Config{})
_ = stderrFile.Close()
if loadErr != nil {
t.Fatalf("Load() error = %v", loadErr)
}
captured, err := os.ReadFile(stderrPath) //nolint:gosec // G304: test temp path
if err != nil {
t.Fatalf("reading stderr file: %v", err)
}
return string(captured)
}
// TestLoadWarnsReadableConfigWithoutS3Credentials checks that a config
// file others can read, holding no S3 credentials, is warned about
// without a claim that it holds them.
//
//nolint:paralleltest // loadReadableConfig replaces os.Stderr
func TestLoadWarnsReadableConfigWithoutS3Credentials(t *testing.T) {
stderr := loadReadableConfig(t, `
storage_url: file:///var/backups/vaultik
snapshots:
home:
paths:
- /home
`)
if !strings.Contains(stderr, "Config file is readable by others") {
t.Errorf("expected a warning that the file is readable by others, got %q",
stderr)
}
if strings.Contains(stderr, "S3 credentials") {
t.Errorf("warning names S3 credentials the file does not set: %q", stderr)
}
}
// TestLoadWarnsReadableConfigWithS3Credentials checks that a config file
// others can read and that sets S3 credentials, as values or as ${ENV:...}
// references, is warned about as one that may contain them.
//
//nolint:paralleltest // loadReadableConfig replaces os.Stderr
func TestLoadWarnsReadableConfigWithS3Credentials(t *testing.T) {
t.Setenv("VAULTIK_TEST_ACCESS_KEY_ID", "test-access-key")
t.Setenv("VAULTIK_TEST_SECRET_ACCESS_KEY", "test-secret-key")
configs := map[string]string{
"values": `
storage_url: s3://bucket/prefix?endpoint=s3.example.com
s3:
access_key_id: test-access-key
secret_access_key: test-secret-key
snapshots:
home:
paths:
- /home
`,
"references": `
storage_url: s3://bucket/prefix?endpoint=s3.example.com
s3:
access_key_id: ${ENV:VAULTIK_TEST_ACCESS_KEY_ID}
secret_access_key: ${ENV:VAULTIK_TEST_SECRET_ACCESS_KEY}
snapshots:
home:
paths:
- /home
`,
}
for name, configYAML := range configs {
t.Run(name, func(t *testing.T) {
stderr := loadReadableConfig(t, configYAML)
if !strings.Contains(stderr,
"Config file is readable by others and may contain S3 credentials") {
t.Errorf("expected a warning naming the S3 credentials, got %q",
stderr)
}
})
}
}
internal/database/database.go
+44 -39
View File
@@ -42,10 +42,6 @@ var schemaFS embed.FS
// table itself. It is applied before the normal migration loop.
const bootstrapVersion = 0
// busyTimeoutMs is how long a connection to the index waits for another
// connection's lock before failing with "database is locked".
const busyTimeoutMs = 10000
// DB represents the Vaultik local index database connection.
// It uses SQLite to track file metadata, content-defined chunks, and blob associations.
// The database enables incremental backups by detecting changed files and
@@ -98,27 +94,10 @@ func ParseMigrationVersion(filename string) (int, error) {
return version, nil
}
// indexDSN returns the driver DSN that opens the database at path. The
// driver runs each _pragma parameter on every connection it opens and drops
// any parameter it does not know without an error, so a setting written in
// another form silently does nothing. In WAL mode one connection can write
// while others read; the busy timeout makes a connection wait for a lock
// instead of failing at once.
func indexDSN(path string) string {
return fmt.Sprintf(
"%s?_pragma=busy_timeout(%d)&_pragma=journal_mode(WAL)"+
"&_pragma=synchronous(NORMAL)&_pragma=foreign_keys(1)",
path, busyTimeoutMs)
}
// New creates a new database connection at the specified path.
// It creates the schema if needed. Every connection runs in WAL mode with
// a busy timeout and foreign keys on (see indexDSN), so a read-only command
// can read the index while a backup writes to it. Committed rows can sit in
// the -wal file beside the database until a checkpoint, so a copy of the
// database file alone may miss them.
// SQLite handles crash recovery automatically when opening a database with
// journal/WAL files present.
// It creates the schema if needed and configures SQLite with WAL mode for
// better concurrency. SQLite handles crash recovery automatically when
// opening a database with journal/WAL files present.
// The path parameter can be a file path for persistent storage or ":memory:"
// for an in-memory database (useful for testing).
func New(ctx context.Context, path string) (*DB, error) {
@@ -131,7 +110,11 @@ func New(ctx context.Context, path string) (*DB, error) {
// First attempt with standard WAL mode
log.Debug("Attempting to open database with WAL mode", "path", path)
conn, err := sql.Open("sqlite", indexDSN(path))
conn, err := sql.Open(
"sqlite",
path+"?_journal_mode=WAL&_synchronous=NORMAL&_busy_timeout=10000"+
"&_locking_mode=NORMAL&_foreign_keys=ON",
)
if err == nil {
configureConnPool(conn)
@@ -151,8 +134,8 @@ func New(ctx context.Context, path string) (*DB, error) {
_ = conn.Close()
}
// If the first attempt failed, try once more
return retryOpen(ctx, path)
// If first attempt failed, try with TRUNCATE mode to clear any locks
return openWithRecovery(ctx, path)
}
// configureConnPool serializes all database access through one connection.
@@ -164,12 +147,18 @@ func configureConnPool(conn *sql.DB) {
conn.SetMaxIdleConns(1)
}
// finishOpen wraps the connection and applies any pending migrations. On
// migration failure the connection is closed.
// finishOpen enables foreign keys, wraps the connection, and applies any
// pending migrations. On migration failure the connection is closed.
func finishOpen(ctx context.Context, conn *sql.DB, path string) (*DB, error) {
// Enable foreign keys explicitly
_, err := conn.ExecContext(ctx, "PRAGMA foreign_keys = ON")
if err != nil {
log.Warn("Failed to enable foreign keys", "path", path, "error", err)
}
db := &DB{conn: conn, path: path}
err := applyMigrations(ctx, conn)
err = applyMigrations(ctx, conn)
if err != nil {
_ = conn.Close()
@@ -179,15 +168,21 @@ func finishOpen(ctx context.Context, conn *sql.DB, path string) (*DB, error) {
return db, nil
}
// retryOpen makes a second attempt to open the database, with the same
// settings, after the first attempt failed, for example because another
// process held a lock for longer than the busy timeout.
func retryOpen(ctx context.Context, path string) (*DB, error) {
log.Info("Database appears locked, retrying open", "path", path)
// openWithRecovery retries opening the database in TRUNCATE journal mode to
// clear stale locks, then switches back to WAL mode.
func openWithRecovery(ctx context.Context, path string) (*DB, error) {
log.Info(
"Database appears locked, attempting recovery with TRUNCATE mode",
"path", path,
)
conn, err := sql.Open("sqlite", indexDSN(path))
conn, err := sql.Open(
"sqlite",
path+"?_journal_mode=TRUNCATE&_synchronous=NORMAL&_busy_timeout=10000"+
"&_foreign_keys=ON",
)
if err != nil {
return nil, fmt.Errorf("opening database on retry: %w", err)
return nil, fmt.Errorf("opening database in recovery mode: %w", err)
}
configureConnPool(conn)
@@ -195,18 +190,28 @@ func retryOpen(ctx context.Context, path string) (*DB, error) {
err = conn.PingContext(ctx)
if err != nil {
log.Debug(
"Failed to ping database on retry, closing",
"Failed to ping database in recovery mode, closing",
"path", path, "error", err,
)
_ = conn.Close()
return nil, fmt.Errorf(
"database still locked on retry: %w",
"database still locked after recovery attempt: %w",
err,
)
}
log.Debug("Database opened in TRUNCATE mode", "path", path)
// Switch back to WAL mode
log.Debug("Switching database back to WAL mode", "path", path)
_, err = conn.ExecContext(ctx, "PRAGMA journal_mode=WAL")
if err != nil {
log.Warn("Failed to switch back to WAL mode", "path", path, "error", err)
}
db, err := finishOpen(ctx, conn, path)
if err != nil {
return nil, err
internal/database/database_test.go
-83
View File
@@ -120,89 +120,6 @@ func TestDatabaseConcurrentAccess(t *testing.T) {
}
}
// TestNewSetsJournalModeAndBusyTimeout checks that the connection settings
// New passes reach SQLite. The driver drops a setting it does not recognise
// without an error, so only reading the value back shows it took effect.
func TestNewSetsJournalModeAndBusyTimeout(t *testing.T) {
t.Parallel()
ctx := context.Background()
db, err := New(ctx, filepath.Join(t.TempDir(), "index.db"))
if err != nil {
t.Fatalf("failed to create database: %v", err)
}
defer func() { _ = db.Close() }()
var journalMode string
err = db.conn.QueryRowContext(ctx, "PRAGMA journal_mode").Scan(&journalMode)
if err != nil {
t.Fatalf("reading journal_mode: %v", err)
}
if journalMode != "wal" {
t.Errorf("journal_mode = %q, want %q", journalMode, "wal")
}
var busyTimeout int
err = db.conn.QueryRowContext(ctx, "PRAGMA busy_timeout").Scan(&busyTimeout)
if err != nil {
t.Fatalf("reading busy_timeout: %v", err)
}
if busyTimeout != busyTimeoutMs {
t.Errorf("busy_timeout = %d, want %d", busyTimeout, busyTimeoutMs)
}
}
// TestNewWriteSucceedsWhileAnotherHandleReads opens the same index twice,
// as a read-only command does while a backup runs, and checks that a write
// on one handle commits while the other is in the middle of a read.
func TestNewWriteSucceedsWhileAnotherHandleReads(t *testing.T) {
t.Parallel()
ctx := context.Background()
dbPath := filepath.Join(t.TempDir(), "index.db")
reader, err := New(ctx, dbPath)
if err != nil {
t.Fatalf("failed to open reading handle: %v", err)
}
defer func() { _ = reader.Close() }()
writer, err := New(ctx, dbPath)
if err != nil {
t.Fatalf("failed to open writing handle: %v", err)
}
defer func() { _ = writer.Close() }()
// The read lock taken by the SELECT is held until the transaction ends.
readTx, err := reader.BeginTx(ctx, nil)
if err != nil {
t.Fatalf("beginning read transaction: %v", err)
}
defer func() { _ = readTx.Rollback() }()
var count int
err = readTx.QueryRowContext(ctx, "SELECT COUNT(*) FROM chunks").Scan(&count)
if err != nil {
t.Fatalf("reading chunks: %v", err)
}
_, err = writer.ExecWithLog(ctx,
"INSERT INTO chunks (chunk_hash, size) VALUES (?, ?)", "hash", 1024)
if err != nil {
t.Fatalf("write while another handle reads: %v", err)
}
}
func TestParseMigrationVersion(t *testing.T) {
t.Parallel()
internal/database/files.go
+25 -83
View File
@@ -33,13 +33,11 @@ func (r *FileRepository) Create(ctx context.Context, tx *sql.Tx, file *File) err
}
query := `
INSERT INTO files
(id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
INSERT INTO files (id, path, source_path, mtime, size, mode, uid, gid, link_target)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
ON CONFLICT(path) DO UPDATE SET
source_path = excluded.source_path,
mtime = excluded.mtime,
mtime_nsec = excluded.mtime_nsec,
size = excluded.size,
mode = excluded.mode,
uid = excluded.uid,
@@ -56,19 +54,16 @@ func (r *FileRepository) Create(ctx context.Context, tx *sql.Tx, file *File) err
if tx != nil {
LogSQL("Execute", query,
file.ID.String(), file.Path.String(), file.SourcePath.String(),
file.MTime.Unix(), file.MTime.Nanosecond(),
file.Size, file.Mode, file.UID, file.GID,
file.MTime.Unix(), file.Size, file.Mode, file.UID, file.GID,
file.LinkTarget.String())
err = tx.QueryRowContext(ctx, query,
file.ID.String(), file.Path.String(), file.SourcePath.String(),
file.MTime.Unix(), file.MTime.Nanosecond(),
file.Size, file.Mode, file.UID, file.GID,
file.MTime.Unix(), file.Size, file.Mode, file.UID, file.GID,
file.LinkTarget.String()).Scan(&idStr)
} else {
err = r.db.QueryRowWithLog(ctx, query,
file.ID.String(), file.Path.String(), file.SourcePath.String(),
file.MTime.Unix(), file.MTime.Nanosecond(),
file.Size, file.Mode, file.UID, file.GID,
file.MTime.Unix(), file.Size, file.Mode, file.UID, file.GID,
file.LinkTarget.String()).Scan(&idStr)
}
@@ -89,7 +84,7 @@ func (r *FileRepository) Create(ctx context.Context, tx *sql.Tx, file *File) err
// in the index.
func (r *FileRepository) GetByPath(ctx context.Context, path string) (*File, error) {
query := `
SELECT id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target
SELECT id, path, source_path, mtime, size, mode, uid, gid, link_target
FROM files
WHERE path = ?
`
@@ -109,7 +104,7 @@ func (r *FileRepository) GetByPath(ctx context.Context, path string) (*File, err
// GetByID retrieves a file by its UUID
func (r *FileRepository) GetByID(ctx context.Context, id types.FileID) (*File, error) {
query := `
SELECT id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target
SELECT id, path, source_path, mtime, size, mode, uid, gid, link_target
FROM files
WHERE id = ?
`
@@ -132,7 +127,7 @@ func (r *FileRepository) GetByPathTx(
ctx context.Context, tx *sql.Tx, path string,
) (*File, error) {
query := `
SELECT id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target
SELECT id, path, source_path, mtime, size, mode, uid, gid, link_target
FROM files
WHERE path = ?
`
@@ -163,14 +158,13 @@ func (r *FileRepository) ListModifiedSince(
ctx context.Context, since time.Time,
) ([]*File, error) {
query := `
SELECT id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target
SELECT id, path, source_path, mtime, size, mode, uid, gid, link_target
FROM files
WHERE (mtime, mtime_nsec) >= (?, ?)
WHERE mtime >= ?
ORDER BY path
`
rows, err := r.db.conn.QueryContext(ctx, query,
since.Unix(), since.Nanosecond())
rows, err := r.db.conn.QueryContext(ctx, query, since.Unix())
if err != nil {
return nil, fmt.Errorf("querying files: %w", err)
}
@@ -234,68 +228,19 @@ func (r *FileRepository) DeleteByID(
return nil
}
// ListUnderPath returns the file at path and every file beneath it,
// ordered by path. Paths are compared case-sensitively, and a trailing
// slash on path is ignored, so "/" lists every file.
func (r *FileRepository) ListUnderPath(
ctx context.Context, path string,
// ListByPrefix returns all files whose path starts with prefix, ordered by
// path.
func (r *FileRepository) ListByPrefix(
ctx context.Context, prefix string,
) ([]*File, error) {
path = strings.TrimRight(path, "/")
dirPrefix := path + "/"
// LIKE would ignore ASCII case and treat _ and % in path as wildcards.
query := `
SELECT id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target
SELECT id, path, source_path, mtime, size, mode, uid, gid, link_target
FROM files
WHERE path = ? OR substr(path, 1, length(?)) = ?
WHERE path LIKE ? || '%'
ORDER BY path
`
rows, err := r.db.conn.QueryContext(ctx, query, path, dirPrefix, dirPrefix)
if err != nil {
return nil, fmt.Errorf("querying files: %w", err)
}
defer func() {
err := rows.Close()
if err != nil {
Fatalf("failed to close rows: %v", err)
}
}()
var files []*File
for rows.Next() {
file, err := r.scanFileRows(rows)
if err != nil {
return nil, fmt.Errorf("scanning file: %w", err)
}
files = append(files, file)
}
return files, rows.Err()
}
// ListUnderPathInSnapshot returns the files that ListUnderPath returns
// for path and that the snapshot lists, in no particular order.
func (r *FileRepository) ListUnderPathInSnapshot(
ctx context.Context, path, snapshotID string,
) ([]*File, error) {
path = strings.TrimRight(path, "/")
dirPrefix := path + "/"
query := `
SELECT f.id, f.path, f.source_path, f.mtime, f.mtime_nsec, f.size,
f.mode, f.uid, f.gid, f.link_target
FROM files f
JOIN snapshot_files sf ON sf.file_id = f.id
WHERE sf.snapshot_id = ?
AND (f.path = ? OR substr(f.path, 1, length(?)) = ?)
`
rows, err := r.db.conn.QueryContext(ctx, query,
snapshotID, path, dirPrefix, dirPrefix)
rows, err := r.db.conn.QueryContext(ctx, query, prefix)
if err != nil {
return nil, fmt.Errorf("querying files: %w", err)
}
@@ -374,7 +319,7 @@ func (r *FileRepository) ListIDsWithChunksNotInUploadedBlobs(
// ListAll returns all files in the database
func (r *FileRepository) ListAll(ctx context.Context) ([]*File, error) {
query := `
SELECT id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target
SELECT id, path, source_path, mtime, size, mode, uid, gid, link_target
FROM files
ORDER BY path
`
@@ -415,7 +360,7 @@ func (r *FileRepository) CreateBatch(
}
// Each files row binds this many SQL variables.
const fileCols = 10
const fileCols = 9
// Batch at 100 rows to be safe with SQLite's variable limit.
const batchSize = 100
@@ -426,7 +371,7 @@ func (r *FileRepository) CreateBatch(
batch := files[i:end]
query := `INSERT INTO files
(id, path, source_path, mtime, mtime_nsec, size, mode, uid, gid, link_target)
(id, path, source_path, mtime, size, mode, uid, gid, link_target)
VALUES `
args := make([]any, 0, len(batch)*fileCols)
@@ -438,12 +383,11 @@ func (r *FileRepository) CreateBatch(
querySb325.WriteString(", ")
}
querySb325.WriteString("(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")
querySb325.WriteString("(?, ?, ?, ?, ?, ?, ?, ?, ?)")
args = append(args,
f.ID.String(), f.Path.String(), f.SourcePath.String(),
f.MTime.Unix(), f.MTime.Nanosecond(),
f.Size, f.Mode, f.UID, f.GID,
f.MTime.Unix(), f.Size, f.Mode, f.UID, f.GID,
f.LinkTarget.String())
}
@@ -452,7 +396,6 @@ func (r *FileRepository) CreateBatch(
query += ` ON CONFLICT(path) DO UPDATE SET
source_path = excluded.source_path,
mtime = excluded.mtime,
mtime_nsec = excluded.mtime_nsec,
size = excluded.size,
mode = excluded.mode,
uid = excluded.uid,
@@ -512,7 +455,7 @@ func (r *FileRepository) scanFileFrom(row fileRowScanner) (*File, error) {
var (
file File
idStr, pathStr, sourcePathStr string
mtimeUnix, mtimeNsec int64
mtimeUnix int64
linkTarget sql.NullString
)
@@ -521,7 +464,6 @@ func (r *FileRepository) scanFileFrom(row fileRowScanner) (*File, error) {
&pathStr,
&sourcePathStr,
&mtimeUnix,
&mtimeNsec,
&file.Size,
&file.Mode,
&file.UID,
@@ -540,7 +482,7 @@ func (r *FileRepository) scanFileFrom(row fileRowScanner) (*File, error) {
file.Path = types.FilePath(pathStr)
file.SourcePath = types.SourcePath(sourcePathStr)
file.MTime = time.Unix(mtimeUnix, mtimeNsec).UTC()
file.MTime = time.Unix(mtimeUnix, 0).UTC()
if linkTarget.Valid {
file.LinkTarget = types.FilePath(linkTarget.String)
}
internal/database/files_test.go
-246
View File
@@ -5,12 +5,10 @@ import (
"database/sql"
"errors"
"os"
"slices"
"testing"
"time"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/types"
)
// errTestRollback is the sentinel returned from transaction bodies to
@@ -136,141 +134,6 @@ func TestFileRepositoryListDelete(t *testing.T) {
}
}
func TestFileRepositoryListUnderPath(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
repo := database.NewFileRepository(db)
const (
docDir = "/home/u/doc"
docFile = "/home/u/doc/a.txt"
)
// In path order, so the root case can expect all of them as listed.
paths := []string{
"/home/u/50%/x.txt",
"/home/u/50percent/y.txt",
"/home/u/DOC/c.txt",
"/home/u/a_b/x.txt",
"/home/u/axb/y.txt",
docDir,
"/home/u/doc.txt.bak",
docFile,
"/home/u/doc/sub/b.txt",
"/home/u/doc2/b.txt",
}
for _, path := range paths {
err := repo.Create(ctx, nil, &database.File{
Path: types.FilePath(path),
MTime: time.Now().Truncate(time.Second),
Mode: 0644,
})
if err != nil {
t.Fatalf("failed to create %s: %v", path, err)
}
}
docTree := []string{docDir, docFile, "/home/u/doc/sub/b.txt"}
tests := []struct {
name string
path string
want []string
}{
{"directory", docDir, docTree},
{"directory with trailing slash", docDir + "/", docTree},
{"directory differing only in case", "/home/u/DOC",
[]string{"/home/u/DOC/c.txt"}},
{"file", docFile, []string{docFile}},
{"underscore is literal", "/home/u/a_b",
[]string{"/home/u/a_b/x.txt"}},
{"percent is literal", "/home/u/50%",
[]string{"/home/u/50%/x.txt"}},
{"root", "/", paths},
}
for _, tt := range tests {
files, err := repo.ListUnderPath(ctx, tt.path)
if err != nil {
t.Fatalf("%s: failed to list files: %v", tt.name, err)
}
got := make([]string, 0, len(files))
for _, f := range files {
got = append(got, f.Path.String())
}
if !slices.Equal(got, tt.want) {
t.Errorf("%s: listing %q got %q, want %q",
tt.name, tt.path, got, tt.want)
}
}
}
// ListUnderPathInSnapshot leaves out files outside path and files the
// snapshot does not list, though another snapshot lists them.
func TestFileRepositoryListUnderPathInSnapshot(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
files := database.NewFileRepository(db)
snapshots := database.NewSnapshotRepository(db)
listed := map[string][]string{
"one": {"/src/a.txt", "/src2/c.txt"},
"two": {"/src/b.txt"},
}
for snapshotID, paths := range listed {
err := snapshots.Create(ctx, nil, &database.Snapshot{
ID: types.SnapshotID(snapshotID),
Hostname: "host",
StartedAt: time.Now(),
})
if err != nil {
t.Fatalf("failed to create snapshot %s: %v", snapshotID, err)
}
for _, path := range paths {
err := files.Create(ctx, nil, &database.File{
Path: types.FilePath(path),
MTime: time.Now().Truncate(time.Second),
Mode: 0644,
})
if err != nil {
t.Fatalf("failed to create %s: %v", path, err)
}
err = snapshots.AddFile(ctx, nil, snapshotID, path)
if err != nil {
t.Fatalf("failed to add %s to %s: %v", path, snapshotID, err)
}
}
}
found, err := files.ListUnderPathInSnapshot(ctx, "/src", "one")
if err != nil {
t.Fatalf("failed to list files: %v", err)
}
got := make([]string, 0, len(found))
for _, f := range found {
got = append(got, f.Path.String())
}
if !slices.Equal(got, []string{"/src/a.txt"}) {
t.Errorf("got %q, want only /src/a.txt", got)
}
}
func TestFileRepositorySymlink(t *testing.T) {
t.Parallel()
@@ -311,115 +174,6 @@ func TestFileRepositorySymlink(t *testing.T) {
}
}
// An mtime after 2262 or before 1678 does not fit in int64 nanoseconds
// since the epoch, and must still come back from the database unchanged.
func TestFileRepositoryMTimeOutsideInt64NanosecondRange(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
repo := database.NewFileRepository(db)
mtimes := []time.Time{
time.Date(2300, time.January, 1, 0, 0, 0, 123456789, time.UTC),
time.Date(1601, time.January, 1, 0, 0, 0, 987654321, time.UTC),
}
for _, mtime := range mtimes {
created := &database.File{
Path: types.FilePath("/created-" + mtime.Format(time.RFC3339Nano)),
MTime: mtime,
}
err := repo.Create(ctx, nil, created)
if err != nil {
t.Fatalf("failed to create file: %v", err)
}
batched := &database.File{
ID: types.NewFileID(),
Path: types.FilePath("/batched-" + mtime.Format(time.RFC3339Nano)),
MTime: mtime,
}
err = repo.CreateBatch(ctx, nil, []*database.File{batched})
if err != nil {
t.Fatalf("failed to batch create file: %v", err)
}
for _, path := range []types.FilePath{created.Path, batched.Path} {
retrieved, err := repo.GetByPath(ctx, path.String())
if err != nil {
t.Fatalf("failed to get file: %v", err)
}
if !retrieved.MTime.Equal(mtime) {
t.Errorf("%s: mtime got %v, want %v",
path, retrieved.MTime, mtime)
}
}
}
}
// A file already in the index and rewritten within the same second must get
// its new nanoseconds stored, through both Create and CreateBatch.
func TestFileRepositoryUpsertMTimeInSameSecond(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
repo := database.NewFileRepository(db)
indexed := time.Date(2026, time.October, 7, 12, 0, 0, 100000000, time.UTC)
rewritten := indexed.Add(800 * time.Millisecond)
tests := []struct {
name string
upsert func(file *database.File) error
}{
{"Create", func(file *database.File) error {
return repo.Create(ctx, nil, file)
}},
{"CreateBatch", func(file *database.File) error {
return repo.CreateBatch(ctx, nil, []*database.File{file})
}},
}
for _, tt := range tests {
file := &database.File{
ID: types.NewFileID(),
Path: types.FilePath("/" + tt.name),
MTime: indexed,
}
err := tt.upsert(file)
if err != nil {
t.Fatalf("%s: failed to create file: %v", tt.name, err)
}
file.MTime = rewritten
err = tt.upsert(file)
if err != nil {
t.Fatalf("%s: failed to update file: %v", tt.name, err)
}
retrieved, err := repo.GetByPath(ctx, file.Path.String())
if err != nil {
t.Fatalf("%s: failed to get file: %v", tt.name, err)
}
if !retrieved.MTime.Equal(rewritten) {
t.Errorf("%s: mtime got %v, want %v",
tt.name, retrieved.MTime, rewritten)
}
}
}
func TestFileRepositoryTransaction(t *testing.T) {
t.Parallel()
internal/database/models.go
+4 -3
View File
@@ -14,7 +14,8 @@ type File struct {
ID types.FileID // UUID primary key
Path types.FilePath // Absolute path of the file
// SourcePath is the source directory this file came from.
// SourcePath is the source directory this file came from (used for
// restore path stripping).
SourcePath types.SourcePath
MTime time.Time
Size int64
@@ -98,8 +99,8 @@ type Snapshot struct {
StartedAt time.Time
CompletedAt *time.Time // nil if still in progress
FileCount int64
ChunkCount int64 // Chunks this snapshot stored that were not stored before
BlobCount int64 // Blobs this snapshot created
ChunkCount int64
BlobCount int64
TotalSize int64 // Total size of all referenced files
// BlobSize is the total size of all referenced blobs (compressed and
internal/database/repositories.go
+9 -12
View File
@@ -3,7 +3,6 @@ package database
import (
"context"
"database/sql"
"errors"
"fmt"
)
@@ -61,24 +60,22 @@ func (r *Repositories) WithTx(ctx context.Context, fn TxFunc) error {
defer func() {
if p := recover(); p != nil {
// The panic is the failure to report, so a rollback error
// is dropped.
_ = tx.Rollback()
rollbackErr := tx.Rollback()
if rollbackErr != nil {
Fatalf("failed to rollback transaction: %v", rollbackErr)
}
panic(p)
} else if err != nil {
rollbackErr := tx.Rollback()
if rollbackErr != nil {
Fatalf("failed to rollback transaction: %v", rollbackErr)
}
}
}()
err = fn(ctx, tx)
if err != nil {
// Once ctx is cancelled, database/sql rolls the transaction
// back itself and Rollback returns sql.ErrTxDone.
rollbackErr := tx.Rollback()
if rollbackErr != nil && !errors.Is(rollbackErr, sql.ErrTxDone) {
return fmt.Errorf("%w; rolling back transaction: %w",
err, rollbackErr)
}
return err
}
internal/database/repositories_test.go
-120
View File
@@ -4,7 +4,6 @@ import (
"context"
"database/sql"
"errors"
"strings"
"testing"
"time"
@@ -236,125 +235,6 @@ func TestRepositoriesTransactionRollback(t *testing.T) {
}
}
// When the context is cancelled during the body, database/sql rolls the
// transaction back itself, so WithTx's own rollback finds it already
// done. WithTx must return the body's error alone, without that rollback.
func TestRepositoriesTransactionContextCancelled(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
repos := database.NewRepositories(db)
err := repos.WithTx(ctx, func(ctx context.Context, tx *sql.Tx) error {
file := &database.File{
Path: "/test/cancelled_file.txt",
MTime: time.Now().Truncate(time.Second),
Size: 1024,
Mode: 0644,
UID: 1000,
GID: 1000,
}
err := repos.Files.Create(ctx, tx, file)
if err != nil {
return err
}
cancel()
// database/sql rolls back from a goroutine of its own; wait
// until it has, so the test does not depend on that race.
for {
_, err = tx.ExecContext(context.WithoutCancel(ctx), "SELECT 1")
if errors.Is(err, sql.ErrTxDone) {
return ctx.Err()
}
time.Sleep(time.Millisecond)
}
})
if !errors.Is(err, context.Canceled) {
t.Fatalf("expected context.Canceled, got: %v", err)
}
if errors.Is(err, sql.ErrTxDone) {
t.Fatalf("the already-done rollback was reported: %v", err)
}
file, err := repos.Files.GetByPath(
context.Background(), "/test/cancelled_file.txt",
)
if err != nil {
t.Fatalf("error checking for file: %v", err)
}
if file != nil {
t.Error("file should not exist after the cancelled transaction")
}
}
// A body that ends the transaction itself with ROLLBACK makes WithTx's
// own rollback fail. WithTx must return that failure together with the
// body's error.
func TestRepositoriesTransactionRollbackFails(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
repos := database.NewRepositories(db)
err := repos.WithTx(ctx, func(ctx context.Context, tx *sql.Tx) error {
_, err := tx.ExecContext(ctx, "ROLLBACK")
if err != nil {
return err
}
return errIntentionalRollback
})
if !errors.Is(err, errIntentionalRollback) {
t.Fatalf("expected the body's error, got: %v", err)
}
if !strings.Contains(err.Error(), "rolling back transaction") {
t.Errorf("expected the failed rollback in the error, got: %v", err)
}
}
// When the body ends the transaction itself with ROLLBACK and then
// panics, WithTx's own rollback fails; the panic must still reach the
// caller.
func TestRepositoriesTransactionPanicRollbackFails(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
repos := database.NewRepositories(db)
defer func() {
if recover() == nil {
t.Error("expected the body's panic to reach the caller")
}
}()
_ = repos.WithTx(ctx, func(ctx context.Context, tx *sql.Tx) error {
_, err := tx.ExecContext(ctx, "ROLLBACK")
if err != nil {
return err
}
panic(errIntentionalRollback)
})
}
func TestRepositoriesReadTransaction(t *testing.T) {
t.Parallel()
internal/database/repository_comprehensive_test.go
+2 -2
View File
@@ -824,7 +824,7 @@ func TestTransactionIsolation(t *testing.T) {
}
// Verify the file was not created (transaction rolled back)
files, err := repos.Files.ListUnderPath(ctx, "/tx-test.txt")
files, err := repos.Files.ListByPrefix(ctx, "/tx-test")
if err != nil {
t.Fatal(err)
}
@@ -916,7 +916,7 @@ func TestConcurrentOrphanedCleanup(t *testing.T) {
}
// Verify correct files were deleted
files, err := repos.Files.ListAll(ctx)
files, err := repos.Files.ListByPrefix(ctx, "/concurrent-")
if err != nil {
t.Fatal(err)
}
internal/database/repository_debug_test.go
+1 -1
View File
@@ -147,7 +147,7 @@ func TestOrphanedFileCleanupDebug(t *testing.T) {
t.Logf("Files count after cleanup: %d", count)
// List remaining files
files, err := repos.Files.ListUnderPath(ctx, "/")
files, err := repos.Files.ListByPrefix(ctx, "/")
if err != nil {
t.Fatal(err)
}
internal/database/repository_edge_cases_test.go
+27 -34
View File
@@ -3,7 +3,6 @@ package database
import (
"context"
"database/sql"
"fmt"
"strings"
"testing"
@@ -368,7 +367,7 @@ func verifyBlobNullUploadTS(
}
// createLargeDatasetFiles creates fileCount files and adds every other
// one to the snapshot, in one transaction as a backup writes them.
// one to the snapshot.
func createLargeDatasetFiles(
t *testing.T,
repos *Repositories,
@@ -377,38 +376,31 @@ func createLargeDatasetFiles(
) {
t.Helper()
ctx := context.Background()
start := time.Now()
err := repos.WithTx(context.Background(),
func(ctx context.Context, tx *sql.Tx) error {
for i := range fileCount {
file := &File{
Path: types.FilePath(fmt.Sprintf("/large/file%05d.txt", i)),
MTime: time.Now(),
Size: int64(i * 1024),
Mode: 0644,
UID: uint32(1000 + (i % 10)),
GID: uint32(1000 + (i % 10)),
}
for i := range fileCount {
file := &File{
Path: types.FilePath(fmt.Sprintf("/large/file%05d.txt", i)),
MTime: time.Now(),
Size: int64(i * 1024),
Mode: 0644,
UID: uint32(1000 + (i % 10)),
GID: uint32(1000 + (i % 10)),
}
err := repos.Files.Create(ctx, tx, file)
if err != nil {
return fmt.Errorf("creating file %d: %w", i, err)
}
err := repos.Files.Create(ctx, nil, file)
if err != nil {
t.Fatalf("failed to create file %d: %v", i, err)
}
// Add half to snapshot
if i%2 == 0 {
err = repos.Snapshots.AddFileByID(ctx, tx, snapshotID, file.ID)
if err != nil {
return err
}
}
// Add half to snapshot
if i%2 == 0 {
err = repos.Snapshots.AddFileByID(ctx, nil, snapshotID, file.ID)
if err != nil {
t.Fatal(err)
}
return nil
})
if err != nil {
t.Fatal(err)
}
}
t.Logf("Created %d files in %v", fileCount, time.Since(start))
@@ -450,12 +442,12 @@ func TestLargeDatasets(t *testing.T) {
createLargeDatasetFiles(t, repos, snapshot.ID.String(), fileCount)
})
// Test ListUnderPath performance
// Test ListByPrefix performance
//nolint:paralleltest // phases share one database and are order-dependent
t.Run("list under path performance", func(t *testing.T) {
t.Run("list by prefix performance", func(t *testing.T) {
start := time.Now()
files, err := repos.Files.ListUnderPath(ctx, "/large/")
files, err := repos.Files.ListByPrefix(ctx, "/large/")
if err != nil {
t.Fatal(err)
}
@@ -480,7 +472,7 @@ func TestLargeDatasets(t *testing.T) {
t.Logf("Cleaned up orphaned files in %v", time.Since(start))
// Verify correct number remain
files, err := repos.Files.ListUnderPath(ctx, "/large/")
files, err := repos.Files.ListByPrefix(ctx, "/large/")
if err != nil {
t.Fatal(err)
}
@@ -614,7 +606,8 @@ func TestTimezoneHandling(t *testing.T) {
t.Skip("timezone not available")
}
nyTime := time.Now().In(loc)
// Use Truncate to remove sub-second precision since we store as Unix timestamps
nyTime := time.Now().In(loc).Truncate(time.Second)
file := &File{
Path: "/timezone-test.txt",
MTime: nyTime,
internal/database/schema/001.sql
+2 -4
View File
@@ -5,9 +5,8 @@
CREATE TABLE IF NOT EXISTS files (
id TEXT PRIMARY KEY, -- UUID
path TEXT NOT NULL UNIQUE,
source_path TEXT NOT NULL DEFAULT '', -- The source directory this file came from
mtime INTEGER NOT NULL, -- whole seconds since the Unix epoch
mtime_nsec INTEGER NOT NULL, -- nanoseconds within that second, 0 to 999999999
source_path TEXT NOT NULL DEFAULT '', -- The source directory this file came from (for restore path stripping)
mtime INTEGER NOT NULL,
size INTEGER NOT NULL,
mode INTEGER NOT NULL,
uid INTEGER NOT NULL,
@@ -86,7 +85,6 @@ CREATE TABLE IF NOT EXISTS snapshots (
completed_at INTEGER,
file_count INTEGER NOT NULL DEFAULT 0,
chunk_count INTEGER NOT NULL DEFAULT 0,
new_chunk_size INTEGER NOT NULL DEFAULT 0,
blob_count INTEGER NOT NULL DEFAULT 0,
total_size INTEGER NOT NULL DEFAULT 0,
blob_size INTEGER NOT NULL DEFAULT 0,
internal/database/snapshots.go
+34 -40
View File
@@ -127,9 +127,7 @@ func (r *SnapshotRepository) UpdateExtendedStats(
snapshotID string,
blobUncompressedSize int64,
compressionLevel int,
uploadBytes int64,
uploadDurationMs int64,
newChunkSize int64,
) error {
compressionRatio, err := r.extendedCompressionRatio(
ctx, tx, snapshotID, blobUncompressedSize,
@@ -143,20 +141,19 @@ func (r *SnapshotRepository) UpdateExtendedStats(
SET blob_uncompressed_size = ?,
compression_ratio = ?,
compression_level = ?,
upload_bytes = ?,
upload_duration_ms = ?,
new_chunk_size = ?
upload_bytes = blob_size,
upload_duration_ms = ?
WHERE id = ?
`
if tx != nil {
_, err = tx.ExecContext(ctx, query,
blobUncompressedSize, compressionRatio, compressionLevel,
uploadBytes, uploadDurationMs, newChunkSize, snapshotID)
uploadDurationMs, snapshotID)
} else {
_, err = r.db.ExecWithLog(ctx, query,
blobUncompressedSize, compressionRatio, compressionLevel,
uploadBytes, uploadDurationMs, newChunkSize, snapshotID)
uploadDurationMs, snapshotID)
}
if err != nil {
@@ -546,30 +543,6 @@ func (r *SnapshotRepository) GetSnapshotTotalCompressedSize(
return totalSize, nil
}
// GetSnapshotBlobSizes returns the total compressed and uncompressed sizes
// of all blobs referenced by a snapshot.
func (r *SnapshotRepository) GetSnapshotBlobSizes(
ctx context.Context, snapshotID string,
) (int64, int64, error) {
query := `
SELECT COALESCE(SUM(b.compressed_size), 0),
COALESCE(SUM(b.uncompressed_size), 0)
FROM snapshot_blobs sb
JOIN blobs b ON sb.blob_hash = b.blob_hash
WHERE sb.snapshot_id = ?
`
var compressed, uncompressed int64
err := r.db.conn.QueryRowContext(ctx, query, snapshotID).Scan(
&compressed, &uncompressed)
if err != nil {
return 0, 0, fmt.Errorf("querying snapshot blob sizes: %w", err)
}
return compressed, uncompressed, nil
}
// GetSnapshotUncompressedChunkSize returns the sum of plaintext sizes of all unique
// chunks referenced by a snapshot (via snapshot_files → file_chunks → chunks).
func (r *SnapshotRepository) GetSnapshotUncompressedChunkSize(
@@ -596,24 +569,45 @@ func (r *SnapshotRepository) GetSnapshotUncompressedChunkSize(
return totalSize, nil
}
// GetSnapshotNewChunkSize returns the total plaintext size of the chunks the
// snapshot's backup stored that were not stored before, as the backup
// recorded it. It is not derived from the snapshot's files: a file's row is
// shared by every snapshot that lists it and is rewritten when the file
// changes, so it shows only the file's latest chunks.
// GetSnapshotNewChunkSize returns the sum of plaintext sizes of chunks that are
// referenced by this snapshot but not by any earlier completed snapshot known to
// the local database. The result is the marginal uncompressed data this snapshot
// added to the dedup pool — i.e., the delta from prior snapshots.
func (r *SnapshotRepository) GetSnapshotNewChunkSize(
ctx context.Context, snapshotID string,
) (int64, error) {
query := `SELECT new_chunk_size FROM snapshots WHERE id = ?`
query := `
WITH this_snap_chunks AS (
SELECT DISTINCT fc.chunk_hash
FROM snapshot_files sf
JOIN file_chunks fc ON sf.file_id = fc.file_id
WHERE sf.snapshot_id = ?
),
prior_chunks AS (
SELECT DISTINCT fc.chunk_hash
FROM snapshots s
JOIN snapshot_files sf ON sf.snapshot_id = s.id
JOIN file_chunks fc ON fc.file_id = sf.file_id
WHERE s.completed_at IS NOT NULL
AND s.id != ?
AND s.started_at < (SELECT started_at FROM snapshots WHERE id = ?)
)
SELECT COALESCE(SUM(c.size), 0)
FROM chunks c
JOIN this_snap_chunks t ON c.chunk_hash = t.chunk_hash
WHERE c.chunk_hash NOT IN (SELECT chunk_hash FROM prior_chunks)
`
var newChunkSize int64
var totalSize int64
err := r.db.conn.QueryRowContext(ctx, query, snapshotID).Scan(&newChunkSize)
err := r.db.conn.QueryRowContext(
ctx, query, snapshotID, snapshotID, snapshotID,
).Scan(&totalSize)
if err != nil {
return 0, fmt.Errorf("querying new chunk size: %w", err)
}
return newChunkSize, nil
return totalSize, nil
}
// GetIncompleteSnapshots returns all snapshots that haven't been completed
internal/database/snapshots_test.go
-59
View File
@@ -145,65 +145,6 @@ func TestSnapshotRepositoryUpdateCounts(t *testing.T) {
}
}
// GetSnapshotBlobSizes totals the blobs the snapshot references, and only
// those.
func TestSnapshotRepositoryGetSnapshotBlobSizes(t *testing.T) {
t.Parallel()
db, cleanup := setupTestDB(t)
defer cleanup()
ctx := context.Background()
repos := database.NewRepositories(db)
snapshot := &database.Snapshot{
ID: "2024-01-03T12:00:00Z",
Hostname: testHostname,
VaultikVersion: testVersion,
StartedAt: time.Now().Truncate(time.Second),
}
err := repos.Snapshots.Create(ctx, nil, snapshot)
if err != nil {
t.Fatalf("failed to create snapshot: %v", err)
}
blobs := []*database.Blob{
{Hash: "referenced-1", CompressedSize: 10, UncompressedSize: 100},
{Hash: "referenced-2", CompressedSize: 20, UncompressedSize: 200},
{Hash: "unreferenced", CompressedSize: 40, UncompressedSize: 400},
}
for _, blob := range blobs {
blob.ID = types.NewBlobID()
blob.CreatedTS = time.Now().Truncate(time.Second)
err = repos.Blobs.Create(ctx, nil, blob)
if err != nil {
t.Fatalf("failed to create blob %s: %v", blob.Hash, err)
}
}
for _, blob := range blobs[:2] {
err = repos.Snapshots.AddBlob(ctx, nil, snapshot.ID.String(),
blob.ID, blob.Hash)
if err != nil {
t.Fatalf("failed to add blob %s to snapshot: %v", blob.Hash, err)
}
}
compressed, uncompressed, err := repos.Snapshots.GetSnapshotBlobSizes(
ctx, snapshot.ID.String())
if err != nil {
t.Fatalf("failed to get snapshot blob sizes: %v", err)
}
if compressed != 30 || uncompressed != 300 {
t.Errorf("blob sizes: got %d and %d, want 30 and 300",
compressed, uncompressed)
}
}
func TestSnapshotRepositoryListRecent(t *testing.T) {
t.Parallel()
internal/database/uploads.go
+16
View File
@@ -158,3 +158,19 @@ type UploadStats struct {
MinDurationMs int64
MaxDurationMs int64
}
// GetCountBySnapshot returns the count of uploads for a specific snapshot
func (r *UploadRepository) GetCountBySnapshot(
ctx context.Context, snapshotID string,
) (int64, error) {
query := `SELECT COUNT(*) FROM uploads WHERE snapshot_id = ?`
var count int64
err := r.conn.QueryRowContext(ctx, query, snapshotID).Scan(&count)
if err != nil {
return 0, err
}
return count, nil
}
internal/log/tty_handler.go
+10 -7
View File
@@ -10,8 +10,6 @@ import (
"sync"
"time"
"unicode"
"github.com/dustin/go-humanize"
)
// groupSeparator joins an open group path to an attribute key. This
@@ -306,13 +304,18 @@ func formatDuration(d time.Duration) string {
}
}
// formatBytes formats a byte count with humanize.Bytes, as every command
// prints one. humanize.Bytes takes no negative count, so one is printed
// as it is.
// formatBytes formats bytes in a human-readable way
func formatBytes(b int64) string {
if b < 0 {
const unit = 1024
if b < unit {
return fmt.Sprintf("%d B", b)
}
return humanize.Bytes(uint64(b))
div, exp := int64(unit), 0
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "KMGTPE"[exp])
}
internal/log/tty_handler_test.go
+4 -5
View File
@@ -200,8 +200,7 @@ func TestTTYHandlerWithGroupQualifiesKeys(t *testing.T) {
func TestTTYHandlerByteFormattingSurvivesGrouping(t *testing.T) {
t.Parallel()
// Printed as "1.0 MB", in powers of 1000 like every other byte count.
const oneMegabyte = 1_000_000
const oneAndAHalfKiB = 1536
for name, testCase := range map[string]struct {
derive func(*slog.Logger) *slog.Logger
@@ -224,13 +223,13 @@ func TestTTYHandlerByteFormattingSurvivesGrouping(t *testing.T) {
var buf bytes.Buffer
logger := slog.New(log.NewTTYHandler(&buf, debugHandlerOptions()))
testCase.derive(logger).Info("uploaded", "bytes", oneMegabyte)
testCase.derive(logger).Info("uploaded", "bytes", oneAndAHalfKiB)
line := ansiEscape.ReplaceAllString(buf.String(), "")
assert.Contains(t, line, testCase.key+"=1.0 MB",
assert.Contains(t, line, testCase.key+"=1.5 KB",
"a byte count must be human-readable however it is qualified")
assert.NotContains(t, line, strconv.Itoa(oneMegabyte),
assert.NotContains(t, line, strconv.Itoa(oneAndAHalfKiB),
"the raw number must not survive the formatting")
})
}
internal/pidlock/pidlock.go
+49 -64
View File
@@ -10,18 +10,15 @@ import (
"path/filepath"
"strconv"
"strings"
"golang.org/x/sys/unix"
"syscall"
)
// ErrAlreadyRunning indicates another vaultik instance is running.
var ErrAlreadyRunning = errors.New("another vaultik instance is already running")
// Lock represents an acquired PID lock: an flock(2) on the PID file,
// held while the file stays open. The kernel drops it when the process
// exits, however it exits, so a crashed run never leaves the lock held.
// Lock represents an acquired PID lock.
type Lock struct {
file *os.File
path string
}
const (
@@ -32,9 +29,10 @@ const (
)
// Acquire attempts to acquire a PID lock in the specified directory.
// If another process holds the lock, it returns ErrAlreadyRunning with
// that process's PID. On success, it writes the current PID to the lock
// file and returns a Lock that must be released with Release().
// If the lock file exists and the process is still running, it returns
// ErrAlreadyRunning with details about the existing process.
// On success, it writes the current PID to the lock file and returns
// a Lock that must be released with Release().
func Acquire(lockDir string) (*Lock, error) {
// Ensure lock directory exists
err := os.MkdirAll(lockDir, lockDirPerm)
@@ -44,82 +42,56 @@ func Acquire(lockDir string) (*Lock, error) {
lockPath := filepath.Join(lockDir, "vaultik.pid")
// No O_TRUNC: the file may hold the PID of the process that has the
// lock, which the error below reports.
file, err := os.OpenFile( //nolint:gosec // G304: path is our own lock file
lockPath, os.O_RDWR|os.O_CREATE, pidFilePerm)
if err != nil {
return nil, fmt.Errorf("opening PID file: %w", err)
}
err = unix.Flock(int(file.Fd()), unix.LOCK_EX|unix.LOCK_NB)
if err != nil {
_ = file.Close()
if errors.Is(err, unix.EWOULDBLOCK) {
return nil, alreadyRunningError(lockPath)
// Check for existing lock
existingPID, err := readPIDFile(lockPath)
if err == nil {
// Lock file exists, check if process is running
if isProcessRunning(existingPID) {
return nil, fmt.Errorf("%w (PID %d)", ErrAlreadyRunning, existingPID)
}
return nil, fmt.Errorf("locking PID file: %w", err)
// Process is not running, stale lock file - we can take over
}
err = writePID(file)
// Write our PID
pid := os.Getpid()
err = os.WriteFile(lockPath, []byte(strconv.Itoa(pid)), pidFilePerm)
if err != nil {
_ = file.Close()
return nil, err
return nil, fmt.Errorf("writing PID file: %w", err)
}
return &Lock{file: file}, nil
return &Lock{path: lockPath}, nil
}
// Release empties the PID file and closes it, which drops the lock.
// Release removes the PID lock file.
// It is safe to call Release multiple times.
func (l *Lock) Release() error {
if l == nil || l.file == nil {
if l == nil || l.path == "" {
return nil
}
file := l.file
l.file = nil
// Do not remove the file here. A process that opened it a moment
// earlier could then lock the removed file while another creates and
// locks a new one, and both would run.
truncateErr := file.Truncate(0)
closeErr := file.Close()
return errors.Join(truncateErr, closeErr)
}
// writePID replaces the contents of the locked PID file with the current
// PID.
func writePID(file *os.File) error {
err := file.Truncate(0)
// Verify we still own the lock (our PID is in the file)
existingPID, err := readPIDFile(l.path)
if err != nil {
return fmt.Errorf("truncating PID file: %w", err)
// File already gone or unreadable - that's fine
return nil //nolint:nilerr // unreadable lock file means nothing to release
}
_, err = file.WriteAt([]byte(strconv.Itoa(os.Getpid())), 0)
if err != nil {
return fmt.Errorf("writing PID file: %w", err)
if existingPID != os.Getpid() {
// Someone else wrote to our lock file - don't remove it
return nil
}
err = os.Remove(l.path)
if err != nil && !os.IsNotExist(err) {
return fmt.Errorf("removing PID file: %w", err)
}
l.path = "" // Prevent double-release
return nil
}
// alreadyRunningError reports that another process holds the lock,
// naming its PID when the file holds one. The holder writes its PID just
// after it locks, so the file can briefly be empty.
func alreadyRunningError(lockPath string) error {
pid, err := readPIDFile(lockPath)
if err != nil {
return ErrAlreadyRunning
}
return fmt.Errorf("%w (PID %d)", ErrAlreadyRunning, pid)
}
// readPIDFile reads and parses the PID from a lock file.
func readPIDFile(path string) (int, error) {
data, err := os.ReadFile(path) //nolint:gosec // G304: path is our own lock file
@@ -134,3 +106,16 @@ func readPIDFile(path string) (int, error) {
return pid, nil
}
// isProcessRunning checks if a process with the given PID is running.
func isProcessRunning(pid int) bool {
process, err := os.FindProcess(pid)
if err != nil {
return false
}
// On Unix, FindProcess always succeeds. We need to send signal 0 to check.
err = process.Signal(syscall.Signal(0))
return err == nil
}
internal/pidlock/pidlock_test.go
+3 -63
View File
@@ -4,7 +4,6 @@ import (
"os"
"path/filepath"
"strconv"
"sync"
"testing"
"github.com/stretchr/testify/assert"
@@ -34,10 +33,9 @@ func TestAcquireAndRelease(t *testing.T) {
err = lock.Release()
require.NoError(t, err)
// Verify PID file is empty
data, err = os.ReadFile(pidPath) //nolint:gosec // G304: test's own temp file
require.NoError(t, err)
assert.Empty(t, data)
// Verify PID file is gone
_, err = os.Stat(pidPath)
assert.True(t, os.IsNotExist(err))
}
func TestAcquireBlocksSecondInstance(t *testing.T) {
@@ -57,64 +55,6 @@ func TestAcquireBlocksSecondInstance(t *testing.T) {
lock2, err := pidlock.Acquire(tmpDir)
require.ErrorIs(t, err, pidlock.ErrAlreadyRunning)
assert.Nil(t, lock2)
// Once the first lock is released, the next Acquire succeeds
require.NoError(t, lock1.Release())
lock3, err := pidlock.Acquire(tmpDir)
require.NoError(t, err)
require.NoError(t, lock3.Release())
}
// TestConcurrentAcquireAdmitsOne starts many Acquire calls at the same
// moment, as two cron entries firing together would, and checks that
// exactly one of them gets the lock.
func TestConcurrentAcquireAdmitsOne(t *testing.T) {
t.Parallel()
const callers = 50
tmpDir := t.TempDir()
start := make(chan struct{})
var (
mu sync.Mutex
acquired []*pidlock.Lock
failures []error
wg sync.WaitGroup
)
for range callers {
wg.Go(func() {
<-start
lock, err := pidlock.Acquire(tmpDir)
mu.Lock()
defer mu.Unlock()
if err != nil {
failures = append(failures, err)
return
}
acquired = append(acquired, lock)
})
}
close(start)
wg.Wait()
for _, lock := range acquired {
require.NoError(t, lock.Release())
}
assert.Len(t, acquired, 1, "exactly one caller should hold the lock")
for _, err := range failures {
require.ErrorIs(t, err, pidlock.ErrAlreadyRunning)
}
}
func TestAcquireWithStaleLock(t *testing.T) {
internal/s3/client.go
+6 -34
View File
@@ -6,7 +6,6 @@ import (
"context"
"errors"
"io"
"strings"
"sync/atomic"
"github.com/aws/aws-sdk-go-v2/aws"
@@ -27,14 +26,10 @@ type Client struct {
bucket string
prefix string
endpoint string
partSize int64
}
// Config contains S3 client configuration.
// All fields are required except Prefix, which defaults to an empty string,
// and PartSize, where zero means the SDK default of 5 MiB.
// A non-empty Prefix is joined to every key with one "/", whether or not
// it ends with one.
// All fields are required except Prefix, which defaults to an empty string.
// The Endpoint field should include the protocol (http:// or https://).
type Config struct {
Endpoint string
@@ -43,9 +38,6 @@ type Config struct {
AccessKeyID string
SecretAccessKey string
Region string
// PartSize is the size in bytes of each part of a multipart upload.
// An upload too large for S3's limit of 10,000 parts gets larger parts.
PartSize int64
}
// nopLogger is a logger that discards all output.
@@ -83,19 +75,11 @@ func NewClient(ctx context.Context, cfg Config) (*Client, error) {
s3Client := s3.NewFromConfig(awsCfg, s3Opts)
// Every method below builds a key as prefix + key, so the prefix
// must carry its own trailing "/".
prefix := strings.TrimRight(cfg.Prefix, "/")
if prefix != "" {
prefix += "/"
}
return &Client{
s3Client: s3Client,
bucket: cfg.Bucket,
prefix: prefix,
prefix: cfg.Prefix,
endpoint: cfg.Endpoint,
partSize: cfg.PartSize,
}, nil
}
@@ -129,9 +113,12 @@ func (c *Client) PutObjectWithProgress(
) error {
fullKey := c.prefix + key
// uploadPartSize is 10MB for better progress granularity.
const uploadPartSize = 10 * 1024 * 1024
// Create an uploader with the S3 client
uploader := manager.NewUploader(c.s3Client, func(u *manager.Uploader) {
u.PartSize = uploadPartSize(c.partSize, size)
u.PartSize = uploadPartSize
})
// Create a progress reader that tracks upload progress
@@ -152,21 +139,6 @@ func (c *Client) PutObjectWithProgress(
return err
}
// uploadPartSize returns the part size for an upload of size bytes: the
// configured part size (the SDK default when zero), raised where needed so
// the upload fits in S3's limit of 10,000 parts. The uploader cannot raise
// it itself, because it cannot seek the progress reader to learn its size.
func uploadPartSize(configured, size int64) int64 {
if configured == 0 {
configured = manager.DefaultUploadPartSize
}
maxParts := int64(manager.MaxUploadParts)
smallestThatFits := (size + maxParts - 1) / maxParts // rounded up
return max(configured, smallestThatFits)
}
// GetObject downloads an object from S3 with the specified key.
// The key is automatically prefixed with the configured prefix.
// Returns a ReadCloser containing the object data. The caller must
internal/s3/client_internal_test.go
-55
View File
@@ -1,55 +0,0 @@
package s3
import "testing"
// TestUploadPartSize checks that an upload too large for 10,000 parts of the
// configured size gets parts just large enough to fit in 10,000.
func TestUploadPartSize(t *testing.T) {
t.Parallel()
const mib = 1024 * 1024
tests := []struct {
name string
configured int64
size int64
want int64
}{
{
name: "an upload that fits keeps the configured size",
configured: 5 * mib,
size: 10 * 1024 * mib,
want: 5 * mib,
},
{
name: "exactly 10,000 parts keeps the configured size",
configured: 6 * mib,
size: 10_000 * 6 * mib,
want: 6 * mib,
},
{
name: "one byte more than 10,000 parts adds a byte to each",
configured: 6 * mib,
size: 10_000*6*mib + 1,
want: 6*mib + 1,
},
{
name: "zero means the SDK default of 5MiB",
configured: 0,
size: 1,
want: 5 * mib,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
got := uploadPartSize(tt.configured, tt.size)
if got != tt.want {
t.Errorf("uploadPartSize(%d, %d) = %d, want %d",
tt.configured, tt.size, got, tt.want)
}
})
}
}
internal/s3/module.go
-1
View File
@@ -28,7 +28,6 @@ func provideClient(lc fx.Lifecycle, cfg *config.Config) (*Client, error) {
AccessKeyID: cfg.S3.AccessKeyID,
SecretAccessKey: cfg.S3.SecretAccessKey,
Region: cfg.S3.Region,
PartSize: cfg.S3.PartSize.Int64(),
})
if err != nil {
return nil, err
internal/snapshot/backup_test.go
+1 -1
View File
@@ -71,7 +71,7 @@ func verifyBackupFiles(
) {
t.Helper()
files, err := repos.Files.ListAll(ctx)
files, err := repos.Files.ListByPrefix(ctx, "")
if err != nil {
t.Fatalf("Failed to list files: %v", err)
}
internal/snapshot/exclude_test.go
-47
View File
@@ -531,50 +531,3 @@ func TestExcludePatterns_UnanchoredPatternFile(t *testing.T) {
require.Equal(t, 1, result.FilesScanned,
"Unanchored pattern for file should match anywhere")
}
func TestExcludePatterns_DoubleStarDirectoryAtEveryDepth(t *testing.T) {
t.Parallel()
// As in gitignore, a leading **/ also matches directly under the source dir
fs := setupAnchoredTestFS(t)
scanner, repos, cleanup := createTestScanner(t, fs, []string{"**/projectname"})
defer cleanup()
ctx := context.Background()
createSnapshotRecord(ctx, t, repos, "test-snapshot")
result, err := scanner.Scan(ctx, "/backup", "test-snapshot")
require.NoError(t, err)
// **/projectname should exclude BOTH:
// - /backup/projectname/file.txt
// - /backup/otherproject/projectname/file.txt
// Total files: 4, excluded: 2
require.Equal(t, 2, result.FilesScanned,
"**/ directory pattern should match at the top level and nested")
}
func TestExcludePatterns_DoubleStarFileAtEveryDepth(t *testing.T) {
t.Parallel()
// As in gitignore, a leading **/ also matches directly under the source dir
fs := setupAnchoredTestFS(t)
scanner, repos, cleanup := createTestScanner(t, fs, []string{"**/*.txt"})
defer cleanup()
ctx := context.Background()
createSnapshotRecord(ctx, t, repos, "test-snapshot")
result, err := scanner.Scan(ctx, "/backup", "test-snapshot")
require.NoError(t, err)
// **/*.txt should exclude ALL .txt files:
// - /backup/file.txt
// - /backup/projectname/file.txt
// - /backup/otherproject/projectname/file.txt
// Total files: 4, excluded: 3
require.Equal(t, 1, result.FilesScanned,
"**/ file pattern should match at the top level and nested")
}
internal/snapshot/export_perm_test.go
+8 -16
View File
@@ -1,48 +1,40 @@
//nolint:testpackage // exercises the unexported copyDatabase helper
//nolint:testpackage // exercises the unexported copyFile helper
package snapshot
import (
"context"
"os"
"path/filepath"
"syscall"
"testing"
"github.com/spf13/afero"
"sneak.berlin/go/vaultik/internal/database"
)
// TestCopyDatabaseExportCopyMode verifies that the exported snapshot
// database copy is created owner-only (0600), even under a lenient 022
// umask that would otherwise leave a fresh file world-readable.
// TestCopyFileExportCopyMode verifies that the exported snapshot database
// copy is created owner-only (0600), even under a lenient 022 umask that
// would otherwise leave a fresh file world-readable.
//
//nolint:paralleltest // syscall.Umask is process-global; parallel tests would clash
func TestCopyDatabaseExportCopyMode(t *testing.T) {
func TestCopyFileExportCopyMode(t *testing.T) {
restore := syscall.Umask(0o022)
defer syscall.Umask(restore)
ctx := context.Background()
dir := t.TempDir()
src := filepath.Join(dir, "index.sqlite")
db, err := database.New(ctx, src)
err := os.WriteFile(src, []byte("index data"), 0o600)
if err != nil {
t.Fatalf("creating source index: %v", err)
}
err = db.Close()
if err != nil {
t.Fatalf("closing source index: %v", err)
}
dst := filepath.Join(dir, "snapshot.db")
sm := &SnapshotManager{fs: afero.NewOsFs()}
err = sm.copyDatabase(ctx, src, dst)
err = sm.copyFile(src, dst)
if err != nil {
t.Fatalf("copyDatabase: %v", err)
t.Fatalf("copyFile: %v", err)
}
info, err := os.Stat(dst)
internal/snapshot/module.go
+11 -15
View File
@@ -16,9 +16,6 @@ type ScannerParams struct {
Fs afero.Fs
Exclude []string // Exclude patterns (combined global + snapshot-specific)
SkipErrors bool // Skip file read errors (log loudly but continue)
// PreviousSnapshotID is the most recent completed snapshot of the
// same name, "" for none.
PreviousSnapshotID string
}
// Module exports backup functionality as an fx module.
@@ -47,18 +44,17 @@ func provideScannerFactory(
}
return NewScanner(ScannerConfig{
FS: params.Fs,
ChunkSize: cfg.ChunkSize.Int64(),
Repositories: repos,
Storage: storer,
MaxBlobSize: cfg.BlobSizeLimit.Int64(),
CompressionLevel: cfg.CompressionLevel,
AgeRecipients: cfg.AgeRecipients,
EnableProgress: params.EnableProgress,
UI: params.UI,
Exclude: excludes,
SkipErrors: params.SkipErrors,
PreviousSnapshotID: params.PreviousSnapshotID,
FS: params.Fs,
ChunkSize: cfg.ChunkSize.Int64(),
Repositories: repos,
Storage: storer,
MaxBlobSize: cfg.BlobSizeLimit.Int64(),
CompressionLevel: cfg.CompressionLevel,
AgeRecipients: cfg.AgeRecipients,
EnableProgress: params.EnableProgress,
UI: params.UI,
Exclude: excludes,
SkipErrors: params.SkipErrors,
})
}
}
internal/snapshot/progress.go
+57 -69
View File
@@ -56,27 +56,24 @@ const (
// ProgressStats holds atomic counters for progress tracking
type ProgressStats struct {
FilesScanned atomic.Int64 // Total files seen during scan (includes skipped)
FilesProcessed atomic.Int64 // Files actually processed in phase 2
FilesSkipped atomic.Int64 // Files skipped due to no changes
BytesScanned atomic.Int64 // Bytes from new/changed files only
BytesSkipped atomic.Int64 // Bytes from unchanged files
BytesProcessed atomic.Int64 // Actual bytes processed (for ETA calculation)
ChunksCreated atomic.Int64
BlobsCreated atomic.Int64
BlobsUploaded atomic.Int64
BytesUploaded atomic.Int64
CurrentFile atomic.Value // stores string
TotalSize atomic.Int64 // Size to process in the paths scanned so far
TotalFiles atomic.Int64 // Files to process in the paths scanned so far
StartTime time.Time
mu sync.RWMutex
lastDetailTime time.Time
// Guarded by mu: when the last scan phase ended, and
// BytesProcessed at that moment.
processStartTime time.Time
processStartBytes int64
FilesScanned atomic.Int64 // Total files seen during scan (includes skipped)
FilesProcessed atomic.Int64 // Files actually processed in phase 2
FilesSkipped atomic.Int64 // Files skipped due to no changes
BytesScanned atomic.Int64 // Bytes from new/changed files only
BytesSkipped atomic.Int64 // Bytes from unchanged files
BytesProcessed atomic.Int64 // Actual bytes processed (for ETA calculation)
ChunksCreated atomic.Int64
BlobsCreated atomic.Int64
BlobsUploaded atomic.Int64
BytesUploaded atomic.Int64
UploadDurationMs atomic.Int64 // Total milliseconds spent uploading
CurrentFile atomic.Value // stores string
TotalSize atomic.Int64 // Total size to process (set after scan phase)
TotalFiles atomic.Int64 // Total files to process in phase 2
ProcessStartTime atomic.Value // stores time.Time when processing starts
StartTime time.Time
mu sync.RWMutex
lastDetailTime time.Time
// Upload tracking
CurrentUpload atomic.Value // stores *UploadInfo
@@ -152,36 +149,10 @@ func (pr *ProgressReporter) GetStats() *ProgressStats {
return pr.stats
}
// AddTotalSize adds the size one path of the snapshot has to process to
// the total, once that path's scan phase is done, and starts measuring
// the processing rate again. The processed counts run across every path,
// so the total does too. Restarting the rate keeps a path's scan phase,
// which processes nothing, out of the rate while that path is processed.
// During a later path's scan phase the rate is still the previous
// path's, and falls as that scan goes on.
func (pr *ProgressReporter) AddTotalSize(size int64) {
pr.stats.TotalSize.Add(size)
pr.stats.mu.Lock()
defer pr.stats.mu.Unlock()
pr.stats.processStartTime = time.Now().UTC()
pr.stats.processStartBytes = pr.stats.BytesProcessed.Load()
}
// processRate returns the bytes processed per second since the last scan
// phase ended, or 0 before the first path's scan phase is done.
func (s *ProgressStats) processRate() float64 {
s.mu.RLock()
defer s.mu.RUnlock()
if s.processStartTime.IsZero() {
return 0
}
processed := s.BytesProcessed.Load() - s.processStartBytes
return float64(processed) / time.Since(s.processStartTime).Seconds()
// SetTotalSize sets the total size to process (after scan phase)
func (pr *ProgressReporter) SetTotalSize(size int64) {
pr.stats.TotalSize.Store(size)
pr.stats.ProcessStartTime.Store(time.Now().UTC())
}
// Helper functions
@@ -260,6 +231,9 @@ func (pr *ProgressReporter) ReportUploadComplete(
// Clear current upload
pr.stats.CurrentUpload.Store((*UploadInfo)(nil))
// Add to total upload duration
pr.stats.UploadDurationMs.Add(duration.Milliseconds())
// Calculate speed
if duration < time.Millisecond {
duration = time.Millisecond
@@ -387,12 +361,19 @@ func (pr *ProgressReporter) printSummaryStatus() {
// Calculate ETA if we have total size and are processing
etaStr := ""
processRate := pr.stats.processRate()
if totalSize > 0 && processRate > 0 {
remainingBytes := totalSize - bytesProcessed
remainingSeconds := float64(remainingBytes) / processRate
eta := time.Duration(remainingSeconds * float64(time.Second))
etaStr = " | ETA: " + formatDuration(eta)
if totalSize > 0 && bytesProcessed > 0 {
processStart, ok := pr.stats.ProcessStartTime.Load().(time.Time)
if ok && !processStart.IsZero() {
processElapsed := time.Since(processStart)
rate := float64(bytesProcessed) / processElapsed.Seconds()
if rate > 0 {
remainingBytes := totalSize - bytesProcessed
remainingSeconds := float64(remainingBytes) / rate
eta := time.Duration(remainingSeconds * float64(time.Second))
etaStr = " | ETA: " + formatDuration(eta)
}
}
}
rate := float64(bytesScanned+bytesSkipped) / elapsed.Seconds()
@@ -444,18 +425,25 @@ func (pr *ProgressReporter) printDetailedStatus() {
log.Info("Elapsed time", "duration", formatDuration(elapsed))
// Calculate and show ETA if we have data
processRate := pr.stats.processRate()
if totalSize > 0 && processRate > 0 {
remainingBytes := totalSize - bytesProcessed
remainingSeconds := float64(remainingBytes) / processRate
eta := time.Duration(remainingSeconds * float64(time.Second))
percentComplete := float64(bytesProcessed) / float64(totalSize) * percentScale
log.Info("Overall progress",
"percent", fmt.Sprintf("%.1f%%", percentComplete),
"processed", humanize.Bytes(safeUint64(bytesProcessed)),
"total", humanize.Bytes(safeUint64(totalSize)),
"rate", humanize.Bytes(uint64(processRate))+"/s",
"eta", formatDuration(eta))
if totalSize > 0 && bytesProcessed > 0 {
processStart, ok := pr.stats.ProcessStartTime.Load().(time.Time)
if ok && !processStart.IsZero() {
processElapsed := time.Since(processStart)
processRate := float64(bytesProcessed) / processElapsed.Seconds()
if processRate > 0 {
remainingBytes := totalSize - bytesProcessed
remainingSeconds := float64(remainingBytes) / processRate
eta := time.Duration(remainingSeconds * float64(time.Second))
percentComplete := float64(bytesProcessed) / float64(totalSize) * percentScale
log.Info("Overall progress",
"percent", fmt.Sprintf("%.1f%%", percentComplete),
"processed", humanize.Bytes(safeUint64(bytesProcessed)),
"total", humanize.Bytes(safeUint64(totalSize)),
"rate", humanize.Bytes(uint64(processRate))+"/s",
"eta", formatDuration(eta))
}
}
}
log.Info("Files processed",
internal/snapshot/progress_rate_test.go
-54
View File
@@ -1,54 +0,0 @@
//nolint:testpackage // exercises the unexported processRate helper
package snapshot
import (
"testing"
"time"
)
// TestProcessRateNotLoweredByLaterScanPhase feeds the reporter two paths
// that each take 10 seconds to process, the second after a 30-second scan
// phase. That scan phase processes nothing, so the rate while the second
// path is processed must be that path's own.
func TestProcessRateNotLoweredByLaterScanPhase(t *testing.T) {
t.Parallel()
const (
pathSize = 1000
processingTime = 10 * time.Second
scanTime = 30 * time.Second
)
// Never started, but Stop releases its tickers and signal handler.
progress := NewProgressReporter()
defer progress.Stop()
stats := progress.GetStats()
// Moves the processing start time back instead of sleeping.
elapse := func(d time.Duration) {
stats.mu.Lock()
defer stats.mu.Unlock()
stats.processStartTime = stats.processStartTime.Add(-d)
}
progress.AddTotalSize(pathSize)
stats.BytesProcessed.Add(pathSize)
elapse(processingTime)
elapse(scanTime)
progress.AddTotalSize(pathSize)
stats.BytesProcessed.Add(pathSize)
elapse(processingTime)
want := pathSize / processingTime.Seconds()
got := stats.processRate()
// The test's own run time adds to the elapsed time, so got is a hair
// under want.
if got > want || got < want*0.99 {
t.Errorf("rate while the second path is processed is %.1f bytes/s, "+
"want %.1f", got, want)
}
}
internal/snapshot/progress_test.go
-94
View File
@@ -1,94 +0,0 @@
package snapshot_test
import (
"context"
"path/filepath"
"strings"
"testing"
"github.com/spf13/afero"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/snapshot"
)
// TestProgressPercentWithSecondPathSmaller backs up two paths with one
// scanner, as a snapshot with two paths does, the second path smaller
// than the first. The progress line divides the bytes processed by the
// total size, so both must count both paths to stay within 100%.
func TestProgressPercentWithSecondPathSmaller(t *testing.T) {
t.Parallel()
fs := afero.NewMemMapFs()
files := map[string]string{
"/large/one.txt": strings.Repeat("1", 4000),
"/large/two.txt": strings.Repeat("2", 4000),
"/small/three.txt": strings.Repeat("3", 1000),
}
for path, content := range files {
err := fs.MkdirAll(filepath.Dir(path), 0755)
if err != nil {
t.Fatalf("mkdir: %v", err)
}
err = afero.WriteFile(fs, path, []byte(content), 0644)
if err != nil {
t.Fatalf("write %s: %v", path, err)
}
}
db, err := database.NewTestDB()
if err != nil {
t.Fatalf("create test db: %v", err)
}
t.Cleanup(func() {
cerr := db.Close()
if cerr != nil {
t.Errorf("close db: %v", cerr)
}
})
repos := database.NewRepositories(db)
scanner := snapshot.NewScanner(snapshot.ScannerConfig{
FS: fs,
ChunkSize: int64(1024 * 16),
Repositories: repos,
MaxBlobSize: int64(1024 * 1024),
CompressionLevel: 3,
AgeRecipients: []string{testAgePublicKey},
EnableProgress: true,
})
// Never started, but Stop releases its tickers and signal handler.
progress := scanner.GetProgress()
defer progress.Stop()
ctx := context.Background()
snapshotID := "test-snapshot-progress"
createTestSnapshotRecord(ctx, t, repos, snapshotID)
for _, path := range []string{"/large", "/small"} {
_, err := scanner.Scan(ctx, path, snapshotID)
if err != nil {
t.Fatalf("scanning %s: %v", path, err)
}
}
stats := progress.GetStats()
// Directories count toward the total size but produce no chunks, so
// the percentage ends just under 100%.
percent := float64(stats.BytesProcessed.Load()) /
float64(stats.TotalSize.Load()) * 100
if percent > 100 {
t.Errorf("progress after both paths is %.1f%%, want at most 100%%",
percent)
}
if stats.FilesProcessed.Load() != stats.TotalFiles.Load() {
t.Errorf("progress after both paths is %d of %d files, want all",
stats.FilesProcessed.Load(), stats.TotalFiles.Load())
}
}
internal/snapshot/scanner.go
+154 -198
View File
@@ -11,7 +11,6 @@ import (
"runtime"
"strings"
"sync"
"syscall"
"time"
"github.com/dustin/go-humanize"
@@ -58,12 +57,8 @@ type Scanner struct {
compressionLevel int
ageRecipient string
snapshotID string // Current snapshot being processed
// previousSnapshotID is the most recent completed snapshot of the
// same name, "" for none. Only a file it lists can be counted as
// deleted.
previousSnapshotID string
// currentSourcePath is the source directory being scanned, stored with
// each file record.
// currentSourcePath is the source directory being scanned (used for
// restore path stripping).
currentSourcePath string
exclude []string // Glob patterns for files/directories to exclude
compiledExclude []compiledPattern // Compiled glob patterns
@@ -96,6 +91,9 @@ type Scanner struct {
// Mutex for coordinating blob creation
packerMu sync.Mutex // Blocks chunk production during blob creation
// Context for cancellation
scanCtx context.Context //nolint:containedctx // set per-Scan for packer callbacks
}
// Periodic status output intervals and thresholds for the scan and
@@ -133,34 +131,20 @@ type ScannerConfig struct {
// SkipErrors skips files that cannot be opened or read (log loudly but
// continue); packer, database, encryption, and upload errors still abort.
SkipErrors bool
// PreviousSnapshotID is the most recent completed snapshot of the
// same name, "" for none.
PreviousSnapshotID string
}
// ScanResult contains the results of a scan operation. Files and bytes
// are counted per file: BytesScanned is the size of the new and changed
// files, BytesSkipped that of the unchanged ones. FilesFailed counts the
// new and changed files that phase 2 could not store; FilesScanned
// includes them and BytesScanned does not. ChunksCreated counts the
// chunks that were not already stored, and NewChunkSize is their total
// size.
// ScanResult contains the results of a scan operation
type ScanResult struct {
FilesScanned int
FilesSkipped int
FilesFailed int
FilesDeleted int
BytesScanned int64
BytesSkipped int64
BytesDeleted int64
ChunksCreated int
NewChunkSize int64
BlobsCreated int
BlobsUploaded int
BytesUploaded int64
UploadDuration time.Duration
StartTime time.Time
EndTime time.Time
FilesScanned int
FilesSkipped int
FilesDeleted int
BytesScanned int64
BytesSkipped int64
BytesDeleted int64
ChunksCreated int
BlobsCreated int
StartTime time.Time
EndTime time.Time
}
// NewScanner creates a new scanner instance
@@ -214,7 +198,6 @@ func NewScanner(cfg ScannerConfig) *Scanner {
compiledExclude: compiledExclude,
progress: progress,
skipErrors: cfg.SkipErrors,
previousSnapshotID: cfg.PreviousSnapshotID,
ui: uiw,
pendingChunkHashes: make(map[string]struct{}),
}
@@ -225,7 +208,9 @@ func (s *Scanner) Scan(
ctx context.Context, path string, snapshotID string,
) (*ScanResult, error) {
s.snapshotID = snapshotID
// Store source path for file records (used during restore)
s.currentSourcePath = path
s.scanCtx = ctx
result := &ScanResult{
StartTime: time.Now().UTC(),
}
@@ -233,13 +218,17 @@ func (s *Scanner) Scan(
// Set blob handler for concurrent upload
if s.storage != nil {
log.Debug("Setting blob handler for storage uploads")
s.packer.SetBlobHandler(func(blobWithReader *blob.WithReader) error {
return s.handleBlobReady(ctx, blobWithReader, result)
})
s.packer.SetBlobHandler(s.handleBlobReady)
} else {
log.Debug("No storage configured, blobs will not be uploaded")
}
// Start progress reporting if enabled
if s.progress != nil {
s.progress.Start()
defer s.progress.Stop()
}
// Phase 0: Repair any state left by an interrupted previous run, then
// load known files and chunks from the database into memory for fast
// lookup.
@@ -266,9 +255,8 @@ func (s *Scanner) Scan(
filesToProcess := scanResult.FilesToProcess
// Phase 1b: Detect deleted files by comparing the previous snapshot
// of this name against scanned files
err = s.detectDeletedFiles(ctx, path, existingFiles, result)
// Phase 1b: Detect deleted files by comparing DB against scanned files
err = s.detectDeletedFilesFromMap(ctx, knownFiles, existingFiles, result)
if err != nil {
return nil, fmt.Errorf("detecting deleted files: %w", err)
}
@@ -305,14 +293,13 @@ func (s *Scanner) Scan(
log.Info("Phase 2/3: Skipping (no files need processing, metadata-only snapshot)")
}
result.EndTime = time.Now().UTC()
// Finalize result with blob statistics
s.finalizeScanResult(ctx, result)
return result, nil
}
// GetProgress returns the progress reporter for this scanner, or nil when
// progress is off. Scan neither starts nor stops it: the caller does,
// once for all the paths it scans, because a second Stop panics.
// GetProgress returns the progress reporter for this scanner
func (s *Scanner) GetProgress() *ProgressReporter {
return s.progress
}
@@ -422,8 +409,8 @@ func (s *Scanner) summarizeScanPhase(
}
if s.progress != nil {
s.progress.AddTotalSize(totalSizeToProcess)
s.progress.GetStats().TotalFiles.Add(int64(len(filesToProcess)))
s.progress.SetTotalSize(totalSizeToProcess)
s.progress.GetStats().TotalFiles.Store(int64(len(filesToProcess)))
}
log.Info("Phase 1 complete",
@@ -447,15 +434,35 @@ func (s *Scanner) summarizeScanPhase(
s.ui.Completef("%s.", msg)
}
// loadKnownFiles loads the known files at and beneath path from the
// database into a map for fast lookup. This avoids per-file database
// queries during the scan phase.
// finalizeScanResult populates final blob statistics in the scan result
// by querying the packer and database for blob/upload counts
func (s *Scanner) finalizeScanResult(ctx context.Context, result *ScanResult) {
blobs := s.packer.GetFinishedBlobs()
result.BlobsCreated += len(blobs)
// Query database for actual blob count created during this snapshot
// The database is authoritative, especially for concurrent blob uploads
// We count uploads rather than all snapshot_blobs to get only NEW blobs
if s.snapshotID != "" {
uploadCount, err := s.repos.Uploads.GetCountBySnapshot(ctx, s.snapshotID)
if err != nil {
log.Warn("Failed to query upload count from database", "error", err)
} else {
result.BlobsCreated = int(uploadCount)
}
}
result.EndTime = time.Now().UTC()
}
// loadKnownFiles loads all known files from the database into a map for fast lookup
// This avoids per-file database queries during the scan phase
func (s *Scanner) loadKnownFiles(
ctx context.Context, path string,
) (map[string]*database.File, error) {
files, err := s.repos.Files.ListUnderPath(ctx, path)
files, err := s.repos.Files.ListByPrefix(ctx, path)
if err != nil {
return nil, fmt.Errorf("listing files under %s: %w", path, err)
return nil, fmt.Errorf("listing files by prefix: %w", err)
}
result := make(map[string]*database.File, len(files))
@@ -903,10 +910,9 @@ func (s *Scanner) scanPhase(
}
// Handle symlinks and directories
handled, err := s.recordSpecialEntry(
filePath, info, existingFiles, collector, result)
if handled {
return err
if handled := s.recordSpecialEntry(
filePath, info, existingFiles, collector, result); handled {
return nil
}
// Skip other non-regular files (devices, sockets, etc.)
@@ -948,25 +954,22 @@ func (s *Scanner) scanPhase(
}
// recordSpecialEntry records symlinks and directories (which have no
// data to chunk) and reports whether it handled the entry. For a symlink
// whose target cannot be read it returns handleWalkError's result.
// data to chunk) and reports whether it handled the entry.
func (s *Scanner) recordSpecialEntry(
filePath string, info os.FileInfo,
existingFiles map[string]struct{},
collector *scanCollector, result *ScanResult,
) (bool, error) {
) bool {
// Handle symlinks
if info.Mode()&os.ModeSymlink != 0 {
file, err := s.buildSymlinkEntry(filePath, info)
if err != nil {
return true, s.handleWalkError(filePath, err)
file := s.buildSymlinkEntry(filePath, info)
if file != nil {
existingFiles[filePath] = struct{}{}
collector.addToProcess(filePath, info, file)
s.updateScanEntryStats(result, true, info)
}
existingFiles[filePath] = struct{}{}
collector.addToProcess(filePath, info, file)
s.updateScanEntryStats(result, true, info)
return true, nil
return true
}
// Handle directories (record for permission/ownership preservation
@@ -976,10 +979,10 @@ func (s *Scanner) recordSpecialEntry(
existingFiles[filePath] = struct{}{}
collector.addToProcess(filePath, info, file)
return true, nil
return true
}
return false, nil
return false
}
// handleWalkError deals with a filesystem error surfaced by the walk:
@@ -1129,18 +1132,22 @@ func (s *Scanner) printScanProgressLine(
}
// buildSymlinkEntry creates a File record for a symlink.
func (s *Scanner) buildSymlinkEntry(
path string, info os.FileInfo,
) (*database.File, error) {
// Returns nil if the link target cannot be read.
func (s *Scanner) buildSymlinkEntry(path string, info os.FileInfo) *database.File {
target, err := os.Readlink(path)
if err != nil {
return nil, err
log.Debug("Cannot read symlink target", "path", path, "error", err)
return nil
}
var uid, gid uint32
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
uid = stat.Uid
gid = stat.Gid
if stat, ok := info.Sys().(interface {
Uid() uint32
Gid() uint32
}); ok {
uid = stat.Uid()
gid = stat.Gid()
}
return &database.File{
@@ -1153,15 +1160,18 @@ func (s *Scanner) buildSymlinkEntry(
UID: uid,
GID: gid,
LinkTarget: types.FilePath(target),
}, nil
}
}
// buildDirectoryEntry creates a File record for a directory.
func (s *Scanner) buildDirectoryEntry(path string, info os.FileInfo) *database.File {
var uid, gid uint32
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
uid = stat.Uid
gid = stat.Gid
if stat, ok := info.Sys().(interface {
Uid() uint32
Gid() uint32
}); ok {
uid = stat.Uid()
gid = stat.Gid()
}
return &database.File{
@@ -1194,10 +1204,16 @@ func (s *Scanner) recordNonRegularFile(ctx context.Context, ftp *FileToProcess)
func (s *Scanner) checkFileInMemory(
path string, info os.FileInfo, knownFiles map[string]*database.File,
) (*database.File, bool) {
// Get file stats
stat, ok := info.Sys().(interface {
Uid() uint32
Gid() uint32
})
var uid, gid uint32
if stat, ok := info.Sys().(*syscall.Stat_t); ok {
uid = stat.Uid
gid = stat.Gid
if ok {
uid = stat.Uid()
gid = stat.Gid()
}
// Check against in-memory map first to get existing ID if available
@@ -1214,8 +1230,9 @@ func (s *Scanner) checkFileInMemory(
}
file := &database.File{
ID: fileID,
Path: types.FilePath(path),
ID: fileID,
Path: types.FilePath(path),
// Store source directory for restore path stripping
SourcePath: types.SourcePath(s.currentSourcePath),
MTime: info.ModTime(),
Size: info.Size(),
@@ -1236,7 +1253,7 @@ func (s *Scanner) checkFileInMemory(
// Check if file has changed
if existingFile.Size != file.Size ||
!existingFile.MTime.Equal(file.MTime) ||
existingFile.MTime.Unix() != file.MTime.Unix() ||
existingFile.Mode != file.Mode ||
existingFile.UID != file.UID ||
existingFile.GID != file.GID {
@@ -1306,11 +1323,6 @@ func (s *Scanner) batchAddFilesToSnapshot(
func (s *Scanner) processPhase(
ctx context.Context, filesToProcess []*FileToProcess, result *ScanResult,
) error {
// On an error or cancellation the blob being packed is never
// finalized, so its temp file must be removed here. After a
// successful flush there is no such blob and this does nothing.
defer s.packer.DiscardCurrentBlob()
// Calculate total bytes to process
var totalBytes int64
for _, f := range filesToProcess {
@@ -1328,13 +1340,6 @@ func (s *Scanner) processPhase(
// Process each file
for _, fileToProcess := range filesToProcess {
// Check context cancellation
select {
case <-ctx.Done():
return ctx.Err()
default:
}
// Update progress
if s.progress != nil {
s.progress.GetStats().CurrentFile.Store(fileToProcess.Path)
@@ -1371,32 +1376,13 @@ func (s *Scanner) processPhase(
return s.finalizeProcessPhase(ctx, result)
}
// processFileWithErrorHandling records a directory or symlink, or wraps
// processFileStreaming for a regular file with error recovery for deleted
// files and skip-errors mode. Returns (skipped, error).
// processFileWithErrorHandling wraps processFileStreaming with error recovery for
// deleted files and skip-errors mode. Returns (skipped, error).
func (s *Scanner) processFileWithErrorHandling(
ctx context.Context, fileToProcess *FileToProcess, result *ScanResult,
) (bool, error) {
// A directory or symlink has no data to open or read; it is only
// recorded in the local index. An error recording it stops the run
// even under --skip-errors, or the snapshot would complete without it.
mode := os.FileMode(fileToProcess.File.Mode)
if mode&os.ModeSymlink != 0 || mode.IsDir() {
err := s.recordNonRegularFile(ctx, fileToProcess)
if err != nil {
return false, fmt.Errorf("processing file %s: %w", fileToProcess.Path, err)
}
return false, nil
}
err := s.processFileStreaming(ctx, fileToProcess, result)
if err != nil {
// A cancelled run stops here even under --skip-errors, rather than
// counting this file as failed and going on to the next one.
if ctx.Err() != nil {
return false, fmt.Errorf("processing file %s: %w", fileToProcess.Path, err)
}
// A packer/database/encryption/upload failure means the chunk's data
// may not have been stored. Skipping the file would let the snapshot
// record a file whose chunk is in no blob and cannot be restored, so
@@ -1410,7 +1396,7 @@ func (s *Scanner) processFileWithErrorHandling(
log.Warn("File was deleted during backup, skipping",
"path", fileToProcess.Path)
countFailedFile(fileToProcess, result)
result.FilesSkipped++
return true, nil
}
@@ -1421,7 +1407,7 @@ func (s *Scanner) processFileWithErrorHandling(
s.ui.Errorf("Failed to process %s: %v. Skipping (--skip-errors).",
s.ui.Path(fileToProcess.Path), err)
countFailedFile(fileToProcess, result)
result.FilesSkipped++
return true, nil
}
@@ -1432,13 +1418,6 @@ func (s *Scanner) processFileWithErrorHandling(
return false, nil
}
// countFailedFile counts a file that phase 2 could not store as failed
// and takes its size back out of BytesScanned, where phase 1 put it.
func countFailedFile(fileToProcess *FileToProcess, result *ScanResult) {
result.FilesFailed++
result.BytesScanned -= fileToProcess.FileInfo.Size()
}
// printProcessingProgress prints a periodic progress line during the process phase,
// showing files processed, bytes transferred, throughput, and ETA
func (s *Scanner) printProcessingProgress(
@@ -1545,24 +1524,24 @@ func (s *Scanner) finalizeProcessPhase(ctx context.Context, result *ScanResult)
}
// handleBlobReady is called by the packer when a blob is finalized
func (s *Scanner) handleBlobReady(
ctx context.Context, blobWithReader *blob.WithReader, result *ScanResult,
) error {
func (s *Scanner) handleBlobReady(blobWithReader *blob.WithReader) error {
startTime := time.Now().UTC()
finishedBlob := blobWithReader.FinishedBlob
result.BlobsCreated++
if s.progress != nil {
s.progress.ReportUploadStart(finishedBlob.Hash, finishedBlob.Compressed)
s.progress.GetStats().BlobsCreated.Add(1)
}
ctx := s.scanCtx
if ctx == nil {
ctx = context.Background()
}
blobPath := fmt.Sprintf("blobs/%s/%s/%s",
finishedBlob.Hash[:2], finishedBlob.Hash[2:4], finishedBlob.Hash)
blobExists, err := s.uploadBlobIfNeeded(
ctx, blobPath, blobWithReader, startTime, result)
blobExists, err := s.uploadBlobIfNeeded(ctx, blobPath, blobWithReader, startTime)
if err != nil {
s.cleanupBlobTempFile(blobWithReader)
@@ -1597,7 +1576,6 @@ func (s *Scanner) uploadBlobIfNeeded(
blobPath string,
blobWithReader *blob.WithReader,
startTime time.Time,
result *ScanResult,
) (bool, error) {
finishedBlob := blobWithReader.FinishedBlob
@@ -1633,10 +1611,6 @@ func (s *Scanner) uploadBlobIfNeeded(
uploadDuration := time.Since(startTime)
uploadSpeedBps := float64(finishedBlob.Compressed) / uploadDuration.Seconds()
result.BlobsUploaded++
result.BytesUploaded += finishedBlob.Compressed
result.UploadDuration += uploadDuration
s.ui.Completef("Uploaded blob %s (%s) in %s at %s.",
s.ui.Hex(finishedBlob.Hash),
s.ui.Size(finishedBlob.Compressed),
@@ -1807,11 +1781,16 @@ func (e *packerError) Error() string { return e.err.Error() }
func (e *packerError) Unwrap() error { return e.err }
// processFileStreaming processes a regular file by streaming chunks directly
// to the packer
// processFileStreaming processes a file by streaming chunks directly to the packer
func (s *Scanner) processFileStreaming(
ctx context.Context, fileToProcess *FileToProcess, result *ScanResult,
) error {
// Symlinks and directories have no data to chunk — just record them in the DB.
mode := os.FileMode(fileToProcess.File.Mode)
if mode&os.ModeSymlink != 0 || mode.IsDir() {
return s.recordNonRegularFile(ctx, fileToProcess)
}
file, err := s.fs.Open(fileToProcess.Path)
if err != nil {
return fmt.Errorf("opening file: %w", wrapPermissionError(fileToProcess.Path, err))
@@ -1847,9 +1826,9 @@ func (s *Scanner) processFileStreaming(
size: chunk.Size,
})
if !chunkExists {
s.updateChunkStats(chunk.Size, result)
s.updateChunkStats(chunkExists, chunk.Size, result)
if !chunkExists {
err := s.addChunkToPacker(ctx, chunk)
if err != nil {
// Mark as a packer error so --skip-errors cannot swallow it:
@@ -1877,17 +1856,26 @@ func (s *Scanner) processFileStreaming(
return nil
}
// updateChunkStats counts a chunk that was not already stored, and its
// size. The scan result's file counts, BytesScanned and BytesSkipped are
// not touched here: the scan phase counts each file once.
func (s *Scanner) updateChunkStats(chunkSize int64, result *ScanResult) {
result.ChunksCreated++
result.NewChunkSize += chunkSize
// updateChunkStats updates scan result and progress stats for a processed chunk
func (s *Scanner) updateChunkStats(
chunkExists bool, chunkSize int64, result *ScanResult,
) {
if chunkExists {
result.FilesSkipped++
if s.progress != nil {
s.progress.GetStats().ChunksCreated.Add(1)
s.progress.GetStats().BytesProcessed.Add(chunkSize)
s.progress.UpdateChunkingActivity()
result.BytesSkipped += chunkSize
if s.progress != nil {
s.progress.GetStats().BytesSkipped.Add(chunkSize)
}
} else {
result.ChunksCreated++
result.BytesScanned += chunkSize
if s.progress != nil {
s.progress.GetStats().ChunksCreated.Add(1)
s.progress.GetStats().BytesProcessed.Add(chunkSize)
s.progress.UpdateChunkingActivity()
}
}
}
@@ -1950,28 +1938,21 @@ func (s *Scanner) queueFileForBatchInsert(
})
}
// detectDeletedFiles counts as deleted each file at or beneath path that
// the previous snapshot of this name lists and the walk did not find.
// A file that is excluded, or inside an excluded directory, is not
// counted: the walk skips it whether or not it is still on disk.
func (s *Scanner) detectDeletedFiles(
// detectDeletedFilesFromMap finds files that existed in previous snapshots
// but no longer exist. Uses pre-loaded maps to avoid any filesystem or
// database access.
func (s *Scanner) detectDeletedFilesFromMap(
ctx context.Context,
path string,
knownFiles map[string]*database.File,
existingFiles map[string]struct{},
result *ScanResult,
) error {
if s.previousSnapshotID == "" {
if len(knownFiles) == 0 {
return nil
}
previousFiles, err := s.repos.Files.ListUnderPathInSnapshot(
ctx, path, s.previousSnapshotID)
if err != nil {
return fmt.Errorf("listing files of snapshot %s: %w",
s.previousSnapshotID, err)
}
for _, file := range previousFiles {
// Check each known file against the enumerated set (no filesystem access needed)
for path, file := range knownFiles {
// Check context cancellation periodically
select {
case <-ctx.Done():
@@ -1979,16 +1960,13 @@ func (s *Scanner) detectDeletedFiles(
default:
}
filePath := file.Path.String()
_, exists := existingFiles[filePath]
if exists || s.excludedOrInExcludedDir(filePath, path) {
continue
// Check if the file exists in our enumerated set
if _, exists := existingFiles[path]; !exists {
// File has been deleted
result.FilesDeleted++
result.BytesDeleted += file.Size
log.Debug("Detected deleted file", "path", path, "size", file.Size)
}
result.FilesDeleted++
result.BytesDeleted += file.Size
log.Debug("Detected deleted file", "path", filePath, "size", file.Size)
}
if result.FilesDeleted > 0 {
@@ -1999,20 +1977,6 @@ func (s *Scanner) detectDeletedFiles(
return nil
}
// excludedOrInExcludedDir reports whether filePath, which is at or
// beneath rootPath, or any directory between rootPath and it, matches an
// exclude pattern. A pattern such as */.local/share/Trash matches the
// directory but not the files inside it, which the walk skips too.
func (s *Scanner) excludedOrInExcludedDir(filePath, rootPath string) bool {
for p := filePath; len(p) > len(rootPath); p = filepath.Dir(p) {
if s.shouldExclude(p, rootPath) {
return true
}
}
return false
}
// wrapPermissionError augments permission errors with platform-specific
// remediation instructions. On macOS, TCC-protected directories (Calendars,
// Reminders, Photos, etc.) return EPERM unless the running application has
@@ -2054,14 +2018,6 @@ func compileExcludePatterns(patterns []string) []compiledPattern {
// Remove trailing slash if present (directory indicator)
pattern = strings.TrimSuffix(pattern, "/")
// A leading "**/" demands a "/" before the name and so misses an
// entry directly under the source path. An unanchored pattern
// already matches at every depth, so drop the prefix: as in
// gitignore, "**/x" then also matches a top-level "x".
if !anchored {
pattern = strings.TrimPrefix(pattern, "**/")
}
// Compile the glob pattern
// For patterns without path separators, we need to match them as components
// e.g., ".git" should match ".git" anywhere in the path
internal/snapshot/scanner_test.go
+1 -78
View File
@@ -71,7 +71,7 @@ func verifySimpleScanDatabase(
t.Helper()
// Verify files in database - includes regular files and directories
files, err := repos.Files.ListUnderPath(ctx, "/source")
files, err := repos.Files.ListByPrefix(ctx, "/source")
if err != nil {
t.Fatalf("failed to list files: %v", err)
}
@@ -307,80 +307,3 @@ func TestScannerLargeFile(t *testing.T) {
}
}
}
// TestScannerRecordsOwnership backs up real files on disk and checks that
// the uid and gid of a file, a directory and a symlink are recorded.
// When the tests run as root both sides are 0, so only a run as another
// user can catch ownership recorded as 0.
func TestScannerRecordsOwnership(t *testing.T) {
t.Parallel()
sourceDir := t.TempDir()
filePath := filepath.Join(sourceDir, "file.txt")
dirPath := filepath.Join(sourceDir, "subdir")
linkPath := filepath.Join(sourceDir, "link")
err := os.WriteFile(filePath, []byte("owned"), 0o600)
if err != nil {
t.Fatal(err)
}
err = os.Mkdir(dirPath, 0o700)
if err != nil {
t.Fatal(err)
}
err = os.Symlink("file.txt", linkPath)
if err != nil {
t.Fatal(err)
}
db, err := database.NewTestDB()
if err != nil {
t.Fatalf("failed to create test database: %v", err)
}
defer func() {
err := db.Close()
if err != nil {
t.Errorf("failed to close database: %v", err)
}
}()
repos := database.NewRepositories(db)
scanner := snapshot.NewScanner(snapshot.ScannerConfig{
FS: afero.NewOsFs(),
ChunkSize: int64(1024 * 16),
Repositories: repos,
MaxBlobSize: int64(1024 * 1024),
CompressionLevel: 3,
AgeRecipients: []string{testAgePublicKey},
})
ctx := context.Background()
snapshotID := "test-snapshot-ownership"
createTestSnapshotRecord(ctx, t, repos, snapshotID)
_, err = scanner.Scan(ctx, sourceDir, snapshotID)
if err != nil {
t.Fatalf("scan failed: %v", err)
}
for _, path := range []string{filePath, dirPath, linkPath} {
file, err := repos.Files.GetByPath(ctx, path)
if err != nil {
t.Fatalf("failed to get %s: %v", path, err)
}
if file == nil {
t.Fatalf("%s was not recorded", path)
}
if int(file.UID) != os.Getuid() || int(file.GID) != os.Getgid() {
t.Errorf("%s recorded as uid %d gid %d, want uid %d gid %d",
path, file.UID, file.GID, os.Getuid(), os.Getgid())
}
}
}
internal/snapshot/skip_errors_test.go
+8 -232
View File
@@ -3,7 +3,6 @@ package snapshot_test
import (
"context"
"errors"
"io"
"os"
"path/filepath"
"strings"
@@ -14,7 +13,6 @@ import (
"github.com/spf13/afero"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/snapshot"
"sneak.berlin/go/vaultik/internal/ui"
)
// errSimTempFail is the one-time temp-file creation failure blobTempFailFs
@@ -82,56 +80,6 @@ func (f *readFailFs) Open(name string) (afero.File, error) {
return file, nil
}
// cancelOnOpenFs cancels the run when the scanner opens the target file to
// back it up, as Ctrl-C partway through processing would, and records each
// file opened after that.
type cancelOnOpenFs struct {
afero.Fs
target string
cancel context.CancelFunc
cancelled bool
openedAfterCancel []string
}
//nolint:ireturn // afero.Fs.Open is defined to return the interface.
func (f *cancelOnOpenFs) Open(name string) (afero.File, error) {
if f.cancelled {
f.openedAfterCancel = append(f.openedAfterCancel, name)
}
if name == f.target {
f.cancel()
f.cancelled = true
}
return f.Fs.Open(name)
}
// linkRemovedAfterLstatFs is the real filesystem, except that the symlink at
// target is removed right after the walk lstats it, as happens when a link is
// deleted during a backup. The scanner's readlink of it then fails.
type linkRemovedAfterLstatFs struct {
afero.OsFs
t *testing.T
target string
}
func (f *linkRemovedAfterLstatFs) LstatIfPossible(
name string,
) (os.FileInfo, bool, error) {
info, lstatCalled, err := f.OsFs.LstatIfPossible(name)
if err == nil && name == f.target {
rmErr := os.Remove(name)
if rmErr != nil {
f.t.Errorf("removing %s: %v", name, rmErr)
}
}
return info, lstatCalled, err
}
// writeSkipErrorTestFile writes one file into fs with a fixed mtime.
func writeSkipErrorTestFile(t *testing.T, fs afero.Fs, path, content string) {
t.Helper()
@@ -154,16 +102,14 @@ func writeSkipErrorTestFile(t *testing.T, fs afero.Fs, path, content string) {
}
}
// runSkipErrorScan scans source on fs under ctx with the given skip-errors
// setting, printing user-facing messages to uiw (nil discards them), and
// runSkipErrorScan scans /source on fs with the given skip-errors setting and
// returns the repositories (for inspection) and the scan error.
func runSkipErrorScan(
ctx context.Context, t *testing.T, fs afero.Fs, source string,
skipErrors bool, uiw *ui.Writer,
t *testing.T, fs afero.Fs, skipErrors bool,
) (*database.Repositories, error) {
t.Helper()
db, err := database.New(ctx, ":memory:")
db, err := database.NewTestDB()
if err != nil {
t.Fatalf("create test db: %v", err)
}
@@ -184,14 +130,14 @@ func runSkipErrorScan(
MaxBlobSize: int64(1024 * 1024),
CompressionLevel: 3,
AgeRecipients: []string{testAgePublicKey},
UI: uiw,
SkipErrors: skipErrors,
})
ctx := context.Background()
snapshotID := "test-snapshot-skip-errors"
createTestSnapshotRecord(ctx, t, repos, snapshotID)
_, err = scanner.Scan(ctx, source, snapshotID)
_, err = scanner.Scan(ctx, "/source", snapshotID)
return repos, err
}
@@ -211,7 +157,7 @@ func TestScannerPackingFailureAbortsUnderSkipErrors(t *testing.T) {
writeSkipErrorTestFile(t, fs, "/source/file1.txt", "first file content")
writeSkipErrorTestFile(t, fs, "/source/file2.txt", "second file content")
repos, err := runSkipErrorScan(context.Background(), t, fs, "/source", true, nil)
repos, err := runSkipErrorScan(t, fs, true)
if err == nil {
t.Fatal("expected scan to abort on the packer error, got nil")
}
@@ -238,7 +184,7 @@ func TestScannerReadErrorAbortsWithoutSkipErrors(t *testing.T) {
fs := &readFailFs{Fs: afero.NewMemMapFs(), target: target}
writeSkipErrorTestFile(t, fs, target, "content that cannot be read")
_, err := runSkipErrorScan(context.Background(), t, fs, "/source", false, nil)
_, err := runSkipErrorScan(t, fs, false)
if err == nil {
t.Fatal("expected scan to fail on the read error, got nil")
}
@@ -254,7 +200,7 @@ func TestScannerReadErrorSkippedWithSkipErrors(t *testing.T) {
fs := &readFailFs{Fs: afero.NewMemMapFs(), target: target}
writeSkipErrorTestFile(t, fs, target, "content that cannot be read")
repos, err := runSkipErrorScan(context.Background(), t, fs, "/source", true, nil)
repos, err := runSkipErrorScan(t, fs, true)
if err != nil {
t.Fatalf("expected scan to complete with --skip-errors, got %v", err)
}
@@ -268,173 +214,3 @@ func TestScannerReadErrorSkippedWithSkipErrors(t *testing.T) {
t.Fatalf("expected unreadable file skipped, got %d chunks", len(chunks))
}
}
// writeSymlinkSource creates a source directory on disk holding one symlink
// and returns the directory and the symlink's path.
func writeSymlinkSource(t *testing.T) (string, string) {
t.Helper()
sourceDir := t.TempDir()
linkPath := filepath.Join(sourceDir, "link")
err := os.Symlink("target.txt", linkPath)
if err != nil {
t.Fatalf("creating symlink: %v", err)
}
return sourceDir, linkPath
}
// TestScannerUnreadableSymlinkAbortsWithoutSkipErrors checks that a symlink
// whose target cannot be read aborts the run when --skip-errors is not set.
func TestScannerUnreadableSymlinkAbortsWithoutSkipErrors(t *testing.T) {
t.Parallel()
sourceDir, linkPath := writeSymlinkSource(t)
fs := &linkRemovedAfterLstatFs{t: t, target: linkPath}
_, err := runSkipErrorScan(context.Background(), t, fs, sourceDir, false, nil)
if !errors.Is(err, os.ErrNotExist) {
t.Fatalf("expected scan to fail on the removed symlink, got %v", err)
}
}
// TestScannerUnreadableSymlinkSkippedWithSkipErrors checks that a symlink
// whose target cannot be read is skipped with an error line, and the run
// completes, when --skip-errors is set.
func TestScannerUnreadableSymlinkSkippedWithSkipErrors(t *testing.T) {
t.Parallel()
sourceDir, linkPath := writeSymlinkSource(t)
fs := &linkRemovedAfterLstatFs{t: t, target: linkPath}
uiw := ui.NewWithColor(io.Discard, false)
repos, err := runSkipErrorScan(context.Background(), t, fs, sourceDir, true, uiw)
if err != nil {
t.Fatalf("expected scan to complete with --skip-errors, got %v", err)
}
if uiw.ErrorCount() != 1 {
t.Fatalf("expected one error line for the symlink, got %d",
uiw.ErrorCount())
}
file, err := repos.Files.GetByPath(context.Background(), linkPath)
if err != nil {
t.Fatalf("getting %s: %v", linkPath, err)
}
if file != nil {
t.Fatalf("expected %s not to be recorded", linkPath)
}
}
// TestScannerCancelStopsSkipErrorsRun checks that a --skip-errors backup
// cancelled partway through processing returns the cancellation error,
// opens no further file, and reports no file as failed.
func TestScannerCancelStopsSkipErrorsRun(t *testing.T) {
t.Parallel()
tests := []struct {
name string
targetContent string
}{
// The cancellation lands while the target is being read.
{name: "while reading a file", targetContent: "first file content"},
// An empty target has no chunks, so the cancellation goes unnoticed
// until the run moves on to the next file.
{name: "between files", targetContent: ""},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
const target = "/source/a.txt"
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
fs := &cancelOnOpenFs{
Fs: afero.NewMemMapFs(), target: target, cancel: cancel,
}
writeSkipErrorTestFile(t, fs, target, tt.targetContent)
writeSkipErrorTestFile(t, fs, "/source/b.txt", "second file content")
writeSkipErrorTestFile(t, fs, "/source/c.txt", "third file content")
uiw := ui.NewWithColor(io.Discard, false)
_, err := runSkipErrorScan(ctx, t, fs, "/source", true, uiw)
if !errors.Is(err, context.Canceled) {
t.Fatalf("expected the cancellation error, got %v", err)
}
if len(fs.openedAfterCancel) != 0 {
t.Fatalf("expected no file opened after the cancellation, got %v",
fs.openedAfterCancel)
}
if uiw.ErrorCount() != 0 {
t.Fatalf("expected no file reported as failed, got %d error lines",
uiw.ErrorCount())
}
})
}
}
// TestScannerRemovesBlobTempFileWhenRunStops checks that a run stopped
// part-way, by a file it cannot read or by a cancellation, removes the
// temp file of the blob it was packing.
func TestScannerRemovesBlobTempFileWhenRunStops(t *testing.T) {
t.Parallel()
// a.txt is backed up first and starts a blob; the run stops at b.txt.
const target = "/source/b.txt"
tests := []struct {
name string
newFs func(cancel context.CancelFunc) afero.Fs
}{
{
name: "file cannot be read",
newFs: func(context.CancelFunc) afero.Fs {
return &readFailFs{Fs: afero.NewMemMapFs(), target: target}
},
},
{
name: "cancelled",
newFs: func(cancel context.CancelFunc) afero.Fs {
return &cancelOnOpenFs{
Fs: afero.NewMemMapFs(), target: target, cancel: cancel,
}
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
fs := tt.newFs(cancel)
writeSkipErrorTestFile(t, fs, "/source/a.txt", "first file content")
writeSkipErrorTestFile(t, fs, target, "second file content")
_, err := runSkipErrorScan(ctx, t, fs, "/source", false, nil)
if err == nil {
t.Fatal("expected the scan to stop with an error, got nil")
}
left, err := afero.Glob(fs, filepath.Join(os.TempDir(), "vaultik-blob-*"))
if err != nil {
t.Fatalf("listing blob temp files: %v", err)
}
if len(left) != 0 {
t.Fatalf("expected no blob temp file left, got %v", left)
}
})
}
}
internal/snapshot/snapshot.go
+74 -74
View File
@@ -105,47 +105,26 @@ func (sm *SnapshotManager) CreateSnapshot(
return sm.CreateSnapshotWithName(ctx, hostname, "", version, gitRevision)
}
// ShortHostname returns hostname up to its first dot. A snapshot ID starts
// with this form, while the snapshots table stores the full hostname.
func ShortHostname(hostname string) string {
short, _, _ := strings.Cut(hostname, ".")
return short
}
// CreateSnapshotWithName creates a new snapshot record with an optional
// snapshot name. The snapshot ID format is: hostname_name_timestamp or
// hostname_timestamp if name is empty. The timestamp is in whole seconds.
// If the local index already has a snapshot with that ID, from a run of the
// same name that started in the same second, it waits a second and takes a
// new timestamp.
// hostname_timestamp if name is empty.
func (sm *SnapshotManager) CreateSnapshotWithName(
ctx context.Context, hostname, name, version, gitRevision string,
) (string, error) {
shortHostname := ShortHostname(hostname)
// Use short hostname (strip domain if present)
shortHostname := hostname
if before, _, ok := strings.Cut(hostname, "."); ok {
shortHostname = before
}
// Build snapshot ID with optional name
timestamp := time.Now().UTC().Format("2006-01-02T15:04:05Z")
var snapshotID string
for {
// Build snapshot ID with optional name
timestamp := time.Now().UTC().Format("2006-01-02T15:04:05Z")
if name != "" {
snapshotID = fmt.Sprintf("%s_%s_%s", shortHostname, name, timestamp)
} else {
snapshotID = fmt.Sprintf("%s_%s", shortHostname, timestamp)
}
existing, err := sm.repos.Snapshots.GetByID(ctx, snapshotID)
if err != nil {
return "", fmt.Errorf("looking up snapshot %s: %w", snapshotID, err)
}
if existing == nil {
break
}
time.Sleep(time.Second)
if name != "" {
snapshotID = fmt.Sprintf("%s_%s_%s", shortHostname, name, timestamp)
} else {
snapshotID = fmt.Sprintf("%s_%s", shortHostname, timestamp)
}
snapshot := &database.Snapshot{
@@ -175,6 +154,26 @@ func (sm *SnapshotManager) CreateSnapshotWithName(
return snapshotID, nil
}
// UpdateSnapshotStats updates the statistics for a snapshot during backup
func (sm *SnapshotManager) UpdateSnapshotStats(
ctx context.Context, snapshotID string, stats BackupStats,
) error {
err := sm.repos.WithTx(ctx, func(ctx context.Context, tx *sql.Tx) error {
return sm.repos.Snapshots.UpdateCounts(ctx, tx, snapshotID,
int64(stats.FilesScanned),
int64(stats.ChunksCreated),
int64(stats.BlobsCreated),
stats.BytesScanned,
stats.BytesUploaded,
)
})
if err != nil {
return fmt.Errorf("updating snapshot stats: %w", err)
}
return nil
}
// UpdateSnapshotStatsExtended updates snapshot statistics with extended metrics.
// This includes compression level, uncompressed blob size, and upload duration.
func (sm *SnapshotManager) UpdateSnapshotStatsExtended(
@@ -186,8 +185,8 @@ func (sm *SnapshotManager) UpdateSnapshotStatsExtended(
int64(stats.FilesScanned),
int64(stats.ChunksCreated),
int64(stats.BlobsCreated),
stats.TotalSize,
stats.BlobSize,
stats.BytesScanned,
stats.BytesUploaded,
)
if err != nil {
return err
@@ -197,9 +196,7 @@ func (sm *SnapshotManager) UpdateSnapshotStatsExtended(
return sm.repos.Snapshots.UpdateExtendedStats(ctx, tx, snapshotID,
stats.BlobUncompressedSize,
stats.CompressionLevel,
stats.BytesUploaded,
stats.UploadDurationMs,
stats.NewChunkSize,
)
})
}
@@ -389,12 +386,12 @@ func (sm *SnapshotManager) prepareExportDB(
ctx context.Context, dbPath, snapshotID, tempDir string,
) ([]byte, string, error) {
// Step 1: Copy database to temp file
// The main database is still open here, so it is copied through SQLite
// The main database should be closed at this point
tempDBPath := filepath.Join(tempDir, "snapshot.db")
log.Debug("Copying database to temporary location",
"source", dbPath, "destination", tempDBPath)
err := sm.copyDatabase(ctx, dbPath, tempDBPath)
err := sm.copyFile(dbPath, tempDBPath)
if err != nil {
return nil, "", fmt.Errorf("copying database: %w", err)
}
@@ -651,10 +648,9 @@ func (sm *SnapshotManager) collectCleanupStats(
//
// VACUUM runs through the modernc.org/sqlite driver, on a freshly opened
// connection with no transaction in flight (VACUUM cannot run inside one).
// database.New opens the file in WAL mode, so VACUUM's rewrite lands in the
// -wal file. This is the only connection to the file, so closing it
// checkpoints the rewrite into the main file and removes the -wal file; the
// main file is the one compressFile then compresses and uploads.
// The database opens in WAL mode, so VACUUM's rewrite lands in the WAL; the
// checkpoint on Close flushes it into the main file, which is the file we
// then compress and upload.
func (sm *SnapshotManager) vacuumDatabase(ctx context.Context, dbPath string) error {
log.Debug("Running VACUUM on database", "path", dbPath)
@@ -748,15 +744,26 @@ func (sm *SnapshotManager) compressFile(inputPath, outputPath string) error {
// user; it holds the same private index data as the local index file.
const exportCopyPerm = 0o600
// copyDatabase copies the database at src to dst with VACUUM INTO. It reads
// through SQLite, so the copy holds rows committed to src that are still in
// its -wal file, which a copy of the file alone would miss. The destination
// is the exported snapshot database, so it is created empty and owner-only
// first rather than with the umask-dependent default: VACUUM INTO writes
// into an existing empty file and keeps its mode.
func (sm *SnapshotManager) copyDatabase(
ctx context.Context, src, dst string,
) error {
// copyFile copies a file from src to dst. The destination is the exported
// snapshot database, so it is created owner-only rather than with the
// umask-dependent default.
func (sm *SnapshotManager) copyFile(src, dst string) error {
log.Debug("Opening source file for copy", "path", src)
sourceFile, err := sm.fs.Open(src)
if err != nil {
return err
}
defer func() {
log.Debug("Closing source file", "path", src)
err := sourceFile.Close()
if err != nil {
log.Debug("Failed to close source file", "path", src, "error", err)
}
}()
log.Debug("Creating destination file", "path", dst)
destFile, err := sm.fs.OpenFile(
@@ -766,28 +773,23 @@ func (sm *SnapshotManager) copyDatabase(
return err
}
err = destFile.Close()
defer func() {
log.Debug("Closing destination file", "path", dst)
err := destFile.Close()
if err != nil {
log.Debug("Failed to close destination file", "path", dst, "error", err)
}
}()
log.Debug("Copying file data")
n, err := io.Copy(destFile, sourceFile)
if err != nil {
return err
}
db, err := database.New(ctx, src)
if err != nil {
return fmt.Errorf("opening database to copy: %w", err)
}
defer func() {
cerr := db.Close()
if cerr != nil {
log.Debug("Failed to close database after copy",
"path", src, "error", cerr)
}
}()
_, err = db.ExecWithLog(ctx, "VACUUM INTO ?", dst)
if err != nil {
return fmt.Errorf("running VACUUM INTO: %w", err)
}
log.Debug("File copy complete", "bytes_copied", n)
return nil
}
@@ -893,7 +895,7 @@ func (sm *SnapshotManager) getFileSize(path string) int64 {
// BackupStats contains statistics from a backup operation
type BackupStats struct {
FilesScanned int
TotalSize int64 // Total size of the files in the snapshot
BytesScanned int64
ChunksCreated int
BlobsCreated int
BytesUploaded int64
@@ -903,11 +905,9 @@ type BackupStats struct {
type ExtendedBackupStats struct {
BackupStats
BlobSize int64 // Total compressed size of all referenced blobs
BlobUncompressedSize int64 // Total uncompressed size of all referenced blobs
CompressionLevel int // Compression level used for this snapshot
UploadDurationMs int64 // Total milliseconds spent uploading to S3
NewChunkSize int64 // Total size of the chunks counted in ChunksCreated
}
// deleteOtherSnapshots deletes all snapshots except the current one
internal/snapshot/snapshot_test.go
-104
View File
@@ -188,77 +188,6 @@ func TestVacuumDatabaseRemovesDeletedData(t *testing.T) {
}
}
// TestPrepareExportDBKeepsRowsCommittedToOpenIndex exports from an index
// that is still open, as a backup does. A row committed there can still be
// in the index's -wal file, and the export must hold it all the same.
func TestPrepareExportDBKeepsRowsCommittedToOpenIndex(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
fs := afero.NewOsFs()
dbPath := filepath.Join(t.TempDir(), "index.sqlite")
db, err := database.New(ctx, dbPath)
if err != nil {
t.Fatalf("failed to create database: %v", err)
}
defer func() { _ = db.Close() }()
repos := database.NewRepositories(db)
snapshot := &database.Snapshot{ID: "open-index-snapshot", Hostname: "test-host"}
err = repos.WithTx(ctx, func(ctx context.Context, tx *sql.Tx) error {
return repos.Snapshots.Create(ctx, tx, snapshot)
})
if err != nil {
t.Fatalf("failed to create snapshot: %v", err)
}
sm := &SnapshotManager{
config: &config.Config{
CompressionLevel: 3,
AgeRecipients: []string{testAgeRecipient},
},
fs: fs,
}
_, tempDBPath, err := sm.prepareExportDB(
ctx, dbPath, snapshot.ID.String(), t.TempDir())
if err != nil {
t.Fatalf("prepareExportDB failed: %v", err)
}
// Only the main database file is compressed and uploaded, so open a
// copy of that file alone.
uploadedPath := filepath.Join(t.TempDir(), "uploaded.db")
err = copyFile(fs, tempDBPath, uploadedPath)
if err != nil {
t.Fatalf("failed to copy exported database: %v", err)
}
exported, err := database.OpenReadOnly(ctx, uploadedPath)
if err != nil {
t.Fatalf("failed to open exported database: %v", err)
}
defer func() { _ = exported.Close() }()
got, err := database.NewRepositories(exported).Snapshots.GetByID(
ctx, snapshot.ID.String())
if err != nil {
t.Fatalf("failed to read snapshot from export: %v", err)
}
if got == nil {
t.Fatal("exported database is missing the snapshot row")
}
}
func TestCleanSnapshotDBEmptySnapshot(t *testing.T) {
// Initialize logger
log.Initialize(log.Config{})
@@ -386,36 +315,3 @@ func TestCleanSnapshotDBNonExistentSnapshot(t *testing.T) {
t.Fatalf("unexpected error: %v", err)
}
}
// Two creates of one snapshot name back to back start within one second,
// the resolution of the timestamp in a snapshot ID. See
// https://git.eeqj.de/sneak/vaultik/issues/270.
func TestCreateSnapshotWithNameTwiceBackToBack(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
db, err := database.New(ctx, filepath.Join(t.TempDir(), "index.sqlite"))
if err != nil {
t.Fatalf("failed to create database: %v", err)
}
defer func() { _ = db.Close() }()
sm := &SnapshotManager{repos: database.NewRepositories(db)}
first, err := sm.CreateSnapshotWithName(ctx, "test-host", "data", "v", "g")
if err != nil {
t.Fatalf("first create failed: %v", err)
}
second, err := sm.CreateSnapshotWithName(ctx, "test-host", "data", "v", "g")
if err != nil {
t.Fatalf("second create failed: %v", err)
}
if first == second {
t.Fatalf("both creates returned snapshot ID %s", first)
}
}
internal/storage/conformance_test.go
+2 -3
View File
@@ -14,9 +14,8 @@ import (
// runStorerConformance is the shared Storer contract. Every backend that
// can run in-process is expected to pass it: TestFileStorer runs it against
// file://, TestS3Storer against s3://, TestRcloneStorer against rclone's
// local backend. A new backend inherits this coverage by passing its own
// constructor, so the contract is defined once.
// file://, TestS3Storer against s3://. A new backend inherits this coverage
// by passing its own constructor, so the contract is defined once.
//
// It exercises the public Storer interface: round-trip, stat, list with
// prefix filtering, overwrite, delete, delete-of-missing, and not-found on
internal/storage/faultstore/faultstore.go
-5
View File
@@ -171,11 +171,6 @@ func (f *Storer) ListStream(
return f.inner.ListStream(ctx, prefix)
}
// DeletePartialUploads delegates unchanged.
func (f *Storer) DeletePartialUploads(ctx context.Context, prefix string) error {
return f.inner.DeletePartialUploads(ctx, prefix)
}
// Info delegates unchanged.
func (f *Storer) Info() storage.Info {
return f.inner.Info()
internal/storage/file.go
+11 -63
View File
@@ -22,11 +22,11 @@ type FileStorer struct {
//
// Construction is intentionally cheap and does not touch the filesystem.
// The basePath is recorded; the directory is created lazily on first
// write. Write operations (Put/PutWithProgress) call MkdirAll for the
// write. Reads (Get/Stat/List) tolerate a missing basePath — a missing
// or unmounted destination during `snapshot list` should NOT block the
// command, it should degrade to "no remote snapshots reachable" with a
// warning. Write operations (Put/PutWithProgress) call MkdirAll for the
// per-blob parent directory, which also covers basePath on first use.
// Get and Stat report a key under a missing basePath as ErrNotFound.
// List and ListStream fail on a missing basePath, because listing it as
// an empty store would make `prune` drop every local snapshot record.
//
// Uses the real OS filesystem by default; call SetFilesystem to
// override for testing.
@@ -50,10 +50,9 @@ const storageDirPerm = 0o755
// temp file carrying this suffix and only renames it onto the real key once
// the whole object is on disk, so an interrupted write can never leave a
// truncated object at the key a later run would Stat and trust as a complete
// blob. The rclone backend's upload does the same on remotes with a
// server-side move. List and ListStream skip these files, so a leftover from
// an interrupted write is never listed or trusted as a blob; it is otherwise
// harmless.
// blob. List and ListStream skip these files, so a leftover from an
// interrupted write is never listed or trusted as a blob; it is otherwise
// harmless and is overwritten when the same key is written again.
const tempSuffix = ".partial"
// Put stores data at the specified key.
@@ -120,20 +119,13 @@ func (f *FileStorer) Delete(_ context.Context, key string) error {
return nil
}
// List returns all keys with the given prefix. It fails when the
// destination directory is missing; a missing prefix under it is an
// empty listing.
// List returns all keys with the given prefix.
func (f *FileStorer) List(ctx context.Context, prefix string) ([]string, error) {
var keys []string
_, err := f.fs.Stat(f.basePath)
if err != nil {
return nil, fmt.Errorf("checking destination directory: %w", err)
}
basePath := f.fullPath(prefix)
// Check if the prefix exists
// Check if base path exists
exists, err := afero.Exists(f.fs, basePath)
if err != nil {
return nil, fmt.Errorf("checking path: %w", err)
@@ -175,24 +167,16 @@ func (f *FileStorer) List(ctx context.Context, prefix string) ([]string, error)
return keys, nil
}
// ListStream returns a channel of ObjectInfo for large result sets. Like
// List, it sends an error when the destination directory is missing.
// ListStream returns a channel of ObjectInfo for large result sets.
func (f *FileStorer) ListStream(ctx context.Context, prefix string) <-chan ObjectInfo {
ch := make(chan ObjectInfo)
go func() {
defer close(ch)
_, err := f.fs.Stat(f.basePath)
if err != nil {
ch <- ObjectInfo{Err: fmt.Errorf("checking destination directory: %w", err)}
return
}
basePath := f.fullPath(prefix)
// Check if the prefix exists
// Check if base path exists
exists, err := afero.Exists(f.fs, basePath)
if err != nil {
ch <- ObjectInfo{Err: fmt.Errorf("checking path: %w", err)}
@@ -242,42 +226,6 @@ func (f *FileStorer) ListStream(ctx context.Context, prefix string) <-chan Objec
return ch
}
// DeletePartialUploads removes every file under prefix whose name ends in
// tempSuffix. A missing prefix has none to remove.
func (f *FileStorer) DeletePartialUploads(ctx context.Context, prefix string) error {
basePath := f.fullPath(prefix)
exists, err := afero.Exists(f.fs, basePath)
if err != nil {
return fmt.Errorf("checking path: %w", err)
}
if !exists {
return nil
}
err = afero.Walk(f.fs, basePath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if ctx.Err() != nil {
return ctx.Err()
}
if info.IsDir() || !strings.HasSuffix(info.Name(), tempSuffix) {
return nil
}
return f.fs.Remove(path)
})
if err != nil {
return fmt.Errorf("walking directory: %w", err)
}
return nil
}
// Info returns human-readable storage location information.
func (f *FileStorer) Info() Info {
return Info{
internal/storage/file_atomic_test.go
+2 -47
View File
@@ -14,9 +14,6 @@ import (
// errStreamInterrupted stands in for an upload cut off mid-stream.
var errStreamInterrupted = errors.New("connection reset mid-upload")
// testBlobKey is a key laid out as a blob's key is.
const testBlobKey = "blobs/aa/bb/aabbccddeeff"
// failingReader yields its data once, then fails.
type failingReader struct {
data []byte
@@ -46,7 +43,7 @@ func TestFileStorer_InterruptedWriteLeavesNoTrustedObject(t *testing.T) {
}
ctx := context.Background()
key := testBlobKey
key := "blobs/aa/bb/aabbccddeeff"
err = f.PutWithProgress(ctx, key, &failingReader{data: []byte("partial")}, 4096, nil)
if err == nil {
@@ -82,7 +79,7 @@ func TestFileStorer_ListSkipsPartialFiles(t *testing.T) {
}
ctx := context.Background()
realKey := testBlobKey
realKey := "blobs/aa/bb/aabbccddeeff"
err = f.Put(ctx, realKey, strings.NewReader("blob-bytes"))
if err != nil {
@@ -120,45 +117,3 @@ func TestFileStorer_ListSkipsPartialFiles(t *testing.T) {
t.Fatalf("ListStream should return only the real key, got %v", streamed)
}
}
// TestFileStorer_DeletePartialUploads checks that a leftover temp file is
// removed and the object at the real key is kept.
func TestFileStorer_DeletePartialUploads(t *testing.T) {
t.Parallel()
base := t.TempDir()
f, err := storage.NewFileStorer(base)
if err != nil {
t.Fatalf("NewFileStorer: %v", err)
}
ctx := context.Background()
err = f.Put(ctx, testBlobKey, strings.NewReader("blob-bytes"))
if err != nil {
t.Fatalf("Put: %v", err)
}
leftover := filepath.Join(base, testBlobKey+"-123456.partial")
err = os.WriteFile(leftover, []byte("half"), 0o600)
if err != nil {
t.Fatalf("writing leftover temp file: %v", err)
}
err = f.DeletePartialUploads(ctx, "blobs/")
if err != nil {
t.Fatalf("DeletePartialUploads: %v", err)
}
_, err = os.Stat(leftover)
if !os.IsNotExist(err) {
t.Errorf("leftover temp file was not removed: %v", err)
}
_, err = f.Stat(ctx, testBlobKey)
if err != nil {
t.Errorf("Stat of the real key: %v", err)
}
}
internal/storage/file_backend_test.go
-35
View File
@@ -1,10 +1,6 @@
package storage_test
import (
"context"
"errors"
"io/fs"
"path/filepath"
"testing"
"sneak.berlin/go/vaultik/internal/storage"
@@ -29,34 +25,3 @@ func TestFileStorer(t *testing.T) {
t.Parallel()
runStorerConformance(t, newFileStorer)
}
// TestFileStorerListMissingDestination checks that List and ListStream
// fail when the destination directory does not exist, instead of
// reporting an empty store.
func TestFileStorerListMissingDestination(t *testing.T) {
t.Parallel()
ctx := context.Background()
s, err := storage.NewFileStorer(filepath.Join(t.TempDir(), "unmounted"))
if err != nil {
t.Fatalf("NewFileStorer: %v", err)
}
keys, err := s.List(ctx, "metadata/")
if !errors.Is(err, fs.ErrNotExist) {
t.Errorf("List = %v, %v; want a not-exist error", keys, err)
}
var streamErr error
for object := range s.ListStream(ctx, "metadata/") {
if object.Err != nil {
streamErr = object.Err
}
}
if !errors.Is(streamErr, fs.ErrNotExist) {
t.Errorf("ListStream error = %v, want a not-exist error", streamErr)
}
}
internal/storage/module.go
-2
View File
@@ -99,7 +99,6 @@ func storerFromParsedS3URL(parsed *URL, cfg *config.Config) (Storer, error) {
AccessKeyID: cfg.S3.AccessKeyID,
SecretAccessKey: cfg.S3.SecretAccessKey,
Region: region,
PartSize: cfg.S3.PartSize.Int64(),
})
if err != nil {
return nil, fmt.Errorf("creating S3 client: %w", err)
@@ -135,7 +134,6 @@ func storerFromLegacyS3Config(cfg *config.Config) (Storer, error) {
AccessKeyID: cfg.S3.AccessKeyID,
SecretAccessKey: cfg.S3.SecretAccessKey,
Region: region,
PartSize: cfg.S3.PartSize.Int64(),
})
if err != nil {
return nil, fmt.Errorf("creating S3 client: %w", err)
internal/storage/rclone.go
+15 -89
View File
@@ -3,7 +3,6 @@ package storage
import (
"bytes"
"context"
"crypto/rand"
"errors"
"fmt"
"io"
@@ -69,7 +68,14 @@ func (r *RcloneStorer) Put(ctx context.Context, key string, data io.Reader) erro
return fmt.Errorf("reading data: %w", err)
}
return r.upload(ctx, key, bytes.NewReader(buf))
// Upload the object
_, err = operations.Rcat(ctx, r.fsys, key,
io.NopCloser(bytes.NewReader(buf)), time.Now(), nil)
if err != nil {
return fmt.Errorf("uploading object: %w", err)
}
return nil
}
// PutWithProgress stores data with progress reporting.
@@ -83,7 +89,13 @@ func (r *RcloneStorer) PutWithProgress(
callback: progress,
}
return r.upload(ctx, key, pr)
// Upload the object
_, err := operations.Rcat(ctx, r.fsys, key, io.NopCloser(pr), time.Now(), nil)
if err != nil {
return fmt.Errorf("uploading object: %w", err)
}
return nil
}
// Get retrieves data from the specified key.
@@ -161,10 +173,6 @@ func (r *RcloneStorer) List(ctx context.Context, prefix string) ([]string, error
err := operations.ListFn(ctx, r.fsys, func(obj fs.Object) {
key := obj.Remote()
if strings.HasSuffix(key, tempSuffix) {
return
}
if prefix == "" || strings.HasPrefix(key, prefix) {
keys = append(keys, key)
}
@@ -194,10 +202,6 @@ func (r *RcloneStorer) ListStream(
}
key := obj.Remote()
if strings.HasSuffix(key, tempSuffix) {
return
}
if prefix == "" || strings.HasPrefix(key, prefix) {
ch <- ObjectInfo{
Key: key,
@@ -213,31 +217,6 @@ func (r *RcloneStorer) ListStream(
return ch
}
// DeletePartialUploads removes every object under prefix whose name ends
// in tempSuffix.
func (r *RcloneStorer) DeletePartialUploads(ctx context.Context, prefix string) error {
var partial []fs.Object
err := operations.ListFn(ctx, r.fsys, func(obj fs.Object) {
key := obj.Remote()
if strings.HasPrefix(key, prefix) && strings.HasSuffix(key, tempSuffix) {
partial = append(partial, obj)
}
})
if err != nil {
return fmt.Errorf("listing objects: %w", err)
}
for _, obj := range partial {
err = obj.Remove(ctx)
if err != nil {
return fmt.Errorf("removing object: %w", err)
}
}
return nil
}
// Info returns human-readable storage location information.
func (r *RcloneStorer) Info() Info {
location := r.remote
@@ -251,59 +230,6 @@ func (r *RcloneStorer) Info() Info {
}
}
// upload writes data to key. Where the remote has a server-side move, it
// writes under a temporary name ending in tempSuffix and moves the object
// onto key once it is complete, so a killed upload cannot leave a truncated
// object at key; a remote without one is written in place. List and
// ListStream skip a temporary object left behind.
//
// rclone's own copy does this only where the remote also sets
// PartialUploads. That flag is not checked here: hdfs, for one, shows a
// file while it is written without setting it.
func (r *RcloneStorer) upload(ctx context.Context, key string, data io.Reader) error {
if r.fsys.Features().Move == nil {
_, err := operations.Rcat(ctx, r.fsys, key, io.NopCloser(data), time.Now(), nil)
if err != nil {
return fmt.Errorf("uploading object: %w", err)
}
return nil
}
tempKey := key + "-" + rand.Text() + tempSuffix
obj, err := operations.Rcat(ctx, r.fsys, tempKey, io.NopCloser(data), time.Now(), nil)
if err != nil {
// Rcat returns the object it wrote when the written data fails its check.
if obj != nil {
_ = obj.Remove(ctx)
}
return fmt.Errorf("uploading object: %w", err)
}
// On drive, dropbox, onedrive and others the remote's own move does not
// replace an object already at key. operations.Move removes the object
// it is given first, and copies where the remote refuses the move.
existing, err := r.fsys.NewObject(ctx, key)
if errors.Is(err, fs.ErrorObjectNotFound) {
existing = nil
} else if err != nil {
_ = obj.Remove(ctx)
return fmt.Errorf("looking up existing object: %w", err)
}
_, err = operations.Move(ctx, r.fsys, existing, key, obj)
if err != nil {
_ = obj.Remove(ctx)
return fmt.Errorf("moving object into place: %w", err)
}
return nil
}
// progressReader wraps an io.Reader to track read progress.
type progressReader struct {
reader io.Reader
internal/storage/rclone_test.go
+14 -348
View File
@@ -1,47 +1,28 @@
package storage_test
import (
"bytes"
"context"
"errors"
"io"
"os"
"path/filepath"
"strings"
"testing"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/config/configmap"
"sneak.berlin/go/vaultik/internal/storage"
)
// The rclone backend is a thin adapter over the rclone library: it turns a
// (remote, path) pair into rclone's "remote:path" string, hands it to
// rclone, and maps rclone's own results back to the Storer interface. What
// can be tested in-process, without a configured remote or network, is that
// adapter layer — how the arguments are shaped and how construction errors
// are reported. The data-plane operations (Put/Get/List/Delete) are rclone's
// own, exercised against a real provider (drive, s3-via-rclone, ...), which
// needs a configured remote with credentials and network access and so is
// out of reach of a unit test. The shared Storer conformance suite therefore
// runs against the in-process file and s3 backends; the rclone backend
// inherits that contract once a remote is configured.
//
// These tests use rclone's ":local:" on-the-fly backend, which addresses the
// local filesystem directly without any configured remote, so they run
// entirely in-process. A remote that needs credentials and network access
// (drive, s3 via rclone, ...) is out of reach of a unit test.
// newRcloneStorer builds an rclone backend on rclone's local backend,
// rooted at a fresh temp directory.
//
//nolint:ireturn // conformance runs against the Storer interface by design
func newRcloneStorer(t *testing.T) storage.Storer {
t.Helper()
s, err := storage.NewRcloneStorer(context.Background(), ":local", t.TempDir())
if err != nil {
t.Fatalf("NewRcloneStorer: %v", err)
}
return s
}
// TestRcloneStorer runs the shared Storer contract against the rclone
// backend.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorer(t *testing.T) {
runStorerConformance(t, newRcloneStorer)
}
// local filesystem directly without any configured remote, so construction
// runs entirely in-process.
// TestNewRcloneStorerConstruction checks that a valid remote constructs a
// backend and that Info() reports the shaped "remote:path" location.
@@ -63,321 +44,6 @@ func TestNewRcloneStorerConstruction(t *testing.T) {
}
}
// unbufferedUploadContext returns a context in which rclone neither reads
// ahead of the write nor holds a small upload in memory. Without it, a
// progress callback runs before anything is written to the remote.
func unbufferedUploadContext() context.Context {
ctx, ci := fs.AddConfig(context.Background())
ci.BufferSize = 0
ci.StreamingUploadCutoff = 0
return ctx
}
// objectAtKeyDuringUpload uploads data to testBlobKey and reports whether
// an object was at the key before the upload finished. It fails the test
// unless the key then reads back as the uploaded data.
func objectAtKeyDuringUpload(
ctx context.Context, t *testing.T, s *storage.RcloneStorer,
) bool {
t.Helper()
data := bytes.Repeat([]byte("blob-bytes"), 1000)
seen := false
err := s.PutWithProgress(ctx, testBlobKey, bytes.NewReader(data),
int64(len(data)), func(int64) error {
_, statErr := s.Stat(ctx, testBlobKey)
if statErr == nil {
seen = true
}
return nil
})
if err != nil {
t.Fatalf("PutWithProgress: %v", err)
}
got := readObject(ctx, t, s, testBlobKey)
if !bytes.Equal(got, data) {
t.Errorf("object read back as %d bytes, want the %d uploaded",
len(got), len(data))
}
return seen
}
// readObject returns the contents of the object at key.
func readObject(
ctx context.Context, t *testing.T, s *storage.RcloneStorer, key string,
) []byte {
t.Helper()
rc, err := s.Get(ctx, key)
if err != nil {
t.Fatalf("Get: %v", err)
}
defer func() { _ = rc.Close() }()
got, err := io.ReadAll(rc)
if err != nil {
t.Fatalf("reading object: %v", err)
}
return got
}
// TestRcloneStorerObjectAppearsOnlyWhenComplete checks that on a remote
// with a server-side move, such as local, nothing is at the key until the
// upload has finished, so a killed upload cannot leave a truncated object
// there.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorerObjectAppearsOnlyWhenComplete(t *testing.T) {
ctx := unbufferedUploadContext()
s, err := storage.NewRcloneStorer(ctx, ":local", t.TempDir())
if err != nil {
t.Fatalf("NewRcloneStorer: %v", err)
}
if objectAtKeyDuringUpload(ctx, t, s) {
t.Error("object was at its key before the upload finished")
}
}
// TestRcloneStorerListSkipsPartialFiles checks that a temporary file left
// by a killed upload is never listed as a key.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorerListSkipsPartialFiles(t *testing.T) {
dir := t.TempDir()
ctx := context.Background()
s, err := storage.NewRcloneStorer(ctx, ":local", dir)
if err != nil {
t.Fatalf("NewRcloneStorer: %v", err)
}
realKey := testBlobKey
err = s.Put(ctx, realKey, strings.NewReader("blob-bytes"))
if err != nil {
t.Fatalf("Put: %v", err)
}
leftover := filepath.Join(dir, realKey+"-123456.partial")
err = os.WriteFile(leftover, []byte("half"), 0o600)
if err != nil {
t.Fatalf("writing leftover temp file: %v", err)
}
keys, err := s.List(ctx, "blobs/")
if err != nil {
t.Fatalf("List: %v", err)
}
if len(keys) != 1 || keys[0] != realKey {
t.Fatalf("List should return only the real key, got %v", keys)
}
var streamed []string
for obj := range s.ListStream(ctx, "blobs/") {
if obj.Err != nil {
t.Fatalf("ListStream: %v", obj.Err)
}
streamed = append(streamed, obj.Key)
}
if len(streamed) != 1 || streamed[0] != realKey {
t.Fatalf("ListStream should return only the real key, got %v", streamed)
}
}
// TestRcloneStorerDeletePartialUploads checks that a temporary file left
// by a killed upload is removed and the object at the real key is kept.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorerDeletePartialUploads(t *testing.T) {
dir := t.TempDir()
ctx := context.Background()
s, err := storage.NewRcloneStorer(ctx, ":local", dir)
if err != nil {
t.Fatalf("NewRcloneStorer: %v", err)
}
err = s.Put(ctx, testBlobKey, strings.NewReader("blob-bytes"))
if err != nil {
t.Fatalf("Put: %v", err)
}
leftover := filepath.Join(dir, testBlobKey+"-123456.partial")
err = os.WriteFile(leftover, []byte("half"), 0o600)
if err != nil {
t.Fatalf("writing leftover temp file: %v", err)
}
err = s.DeletePartialUploads(ctx, "blobs/")
if err != nil {
t.Fatalf("DeletePartialUploads: %v", err)
}
_, err = os.Stat(leftover)
if !os.IsNotExist(err) {
t.Errorf("leftover temp file was not removed: %v", err)
}
_, err = s.Stat(ctx, testBlobKey)
if err != nil {
t.Errorf("Stat of the real key: %v", err)
}
}
// newRcloneStorerOnWrappedLocal registers name as rclone's local backend
// wrapped by wrap, and builds an rclone backend on it rooted at a fresh
// temp directory. wrap changes the features the local backend reports, so
// that it behaves like a remote a unit test cannot reach.
func newRcloneStorerOnWrappedLocal(
ctx context.Context, t *testing.T, name string, wrap func(fs.Fs) fs.Fs,
) *storage.RcloneStorer {
t.Helper()
fs.Register(&fs.RegInfo{
Name: name,
NewFs: func(
ctx context.Context, _, root string, _ configmap.Mapper,
) (fs.Fs, error) {
local, err := fs.NewFs(ctx, ":local:"+root)
if err != nil {
return nil, err
}
return wrap(local), nil
},
})
s, err := storage.NewRcloneStorer(ctx, ":"+name, t.TempDir())
if err != nil {
t.Fatalf("NewRcloneStorer: %v", err)
}
return s
}
// withoutPartialUploads is rclone's local backend with the PartialUploads
// flag cleared. Like hdfs, it then has a server-side move and shows a file
// while it is written, without setting that flag.
type withoutPartialUploads struct {
fs.Fs
}
func (f *withoutPartialUploads) Features() *fs.Features {
features := *f.Fs.Features()
features.PartialUploads = false
return &features
}
// TestRcloneStorerMovesIntoPlaceWithoutPartialUploads checks that on a
// remote with a server-side move nothing is at the key until the upload has
// finished, even when rclone does not mark the remote as showing partial
// uploads.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorerMovesIntoPlaceWithoutPartialUploads(t *testing.T) {
ctx := unbufferedUploadContext()
s := newRcloneStorerOnWrappedLocal(ctx, t, "withoutpartialuploads",
func(local fs.Fs) fs.Fs { return &withoutPartialUploads{Fs: local} })
if objectAtKeyDuringUpload(ctx, t, s) {
t.Error("object was at its key before the upload finished")
}
}
// withoutMove is rclone's local backend reporting no server-side move.
type withoutMove struct {
fs.Fs
}
func (f *withoutMove) Features() *fs.Features {
features := *f.Fs.Features()
features.Move = nil
return &features
}
// TestRcloneStorerWritesInPlaceWithoutMove checks that on a remote with no
// server-side move an object is written straight to its key and reads back
// from there.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorerWritesInPlaceWithoutMove(t *testing.T) {
ctx := unbufferedUploadContext()
s := newRcloneStorerOnWrappedLocal(ctx, t, "withoutmove",
func(local fs.Fs) fs.Fs { return &withoutMove{Fs: local} })
if !objectAtKeyDuringUpload(ctx, t, s) {
t.Error("object was not at its key while it was uploaded")
}
}
var errNameConflict = errors.New("an object with this name already exists")
// moveRefusesExisting is rclone's local backend with a server-side move
// that, like dropbox's or onedrive's, refuses to move onto an existing
// object.
type moveRefusesExisting struct {
fs.Fs
}
func (f *moveRefusesExisting) Features() *fs.Features {
features := *f.Fs.Features()
features.Move = f.move
return &features
}
//nolint:ireturn // the signature is rclone's
func (f *moveRefusesExisting) move(
ctx context.Context, src fs.Object, remote string,
) (fs.Object, error) {
_, err := f.NewObject(ctx, remote)
if err == nil {
return nil, errNameConflict
}
return f.Fs.Features().Move(ctx, src, remote)
}
// TestRcloneStorerOverwritesWhereMoveRefusesExisting checks that writing a
// key twice replaces the object on a remote whose server-side move will not
// replace an existing object.
//
//nolint:paralleltest // NewRcloneStorer installs the process-global rclone config
func TestRcloneStorerOverwritesWhereMoveRefusesExisting(t *testing.T) {
ctx := context.Background()
s := newRcloneStorerOnWrappedLocal(ctx, t, "moverefusesexisting",
func(local fs.Fs) fs.Fs { return &moveRefusesExisting{Fs: local} })
for _, content := range []string{"first", "second"} {
err := s.Put(ctx, testBlobKey, strings.NewReader(content))
if err != nil {
t.Fatalf("Put %q: %v", content, err)
}
}
got := readObject(ctx, t, s, testBlobKey)
if string(got) != "second" {
t.Errorf("object = %q, want %q", got, "second")
}
}
// TestNewRcloneStorerUnknownRemote checks that a remote that is not in the
// rclone config fails construction with the ErrRemoteNotFound sentinel,
// rather than silently returning a backend pointed nowhere.
internal/storage/s3.go
-6
View File
@@ -99,12 +99,6 @@ func (s *S3Storer) ListStream(ctx context.Context, prefix string) <-chan ObjectI
return ch
}
// DeletePartialUploads has nothing to remove: S3 shows an object only once
// its upload has completed, so an upload cut off part-way leaves none.
func (s *S3Storer) DeletePartialUploads(_ context.Context, _ string) error {
return nil
}
// Info returns human-readable storage location information.
func (s *S3Storer) Info() Info {
return Info{
internal/storage/s3_test.go
-203
View File
@@ -1,20 +1,14 @@
package storage_test
import (
"bytes"
"context"
"errors"
"net/http"
"net/http/httptest"
"slices"
"strings"
"sync/atomic"
"testing"
"github.com/johannesboyne/gofakes3"
"github.com/johannesboyne/gofakes3/backend/s3mem"
"sneak.berlin/go/vaultik/internal/config"
"sneak.berlin/go/vaultik/internal/s3"
"sneak.berlin/go/vaultik/internal/storage"
)
@@ -22,13 +16,6 @@ import (
// s3TestBucket is the bucket created for each in-process S3 server.
const s3TestBucket = "test-bucket"
// Credentials for the tests that build a storer from a config.Config. The
// in-process S3 server accepts any.
const (
s3TestAccessKeyID = "key"
s3TestSecretAccessKey = "secret"
)
// newS3Storer builds an s3:// backend backed by a fresh in-process
// S3 server. It reuses the same in-memory S3 harness (gofakes3 + s3mem
// over httptest) that internal/s3 and the not-found regression test use,
@@ -92,193 +79,3 @@ func TestS3StorerMissingKeyMapsToErrNotFound(t *testing.T) {
t.Errorf("Stat on missing key: got %v, want ErrNotFound", err)
}
}
// TestS3URLPrefixKeyLayout pins the bucket keys an s3:// URL reads and
// writes: the README's remote storage layout, with the prefix joined to
// each key by one "/". s3://b/p and s3://b/p/ must be the same
// destination, or a host that writes the URL the other way finds no
// snapshots. The listed object is put straight into the bucket, as
// another host would have written it. Both List and ListStream are
// checked: ListStream is what every snapshot listing goes through.
func TestS3URLPrefixKeyLayout(t *testing.T) {
t.Parallel()
const (
blobKey = "blobs/aa/bb/aabbccdd"
listPrefix = "metadata/"
manifestKey = listPrefix + "snap/manifest.json.zst"
manifestBody = "manifest"
)
cases := []struct {
urlPath string // URL path after the bucket name
keyPrefix string // what every key in the bucket must start with
}{
{urlPath: "/p", keyPrefix: "p/"},
{urlPath: "/p/", keyPrefix: "p/"},
{urlPath: "", keyPrefix: ""},
}
for _, tc := range cases {
storageURL := "s3://" + s3TestBucket + tc.urlPath
t.Run(storageURL, func(t *testing.T) {
t.Parallel()
backend := s3mem.New()
err := backend.CreateBucket(s3TestBucket)
if err != nil {
t.Fatalf("create bucket: %v", err)
}
srv := httptest.NewServer(gofakes3.New(backend).Server())
t.Cleanup(srv.Close)
storer, err := storage.NewStorer(&config.Config{
StorageURL: storageURL + "?endpoint=" + srv.URL,
S3: config.S3Config{
AccessKeyID: s3TestAccessKeyID,
SecretAccessKey: s3TestSecretAccessKey,
},
})
if err != nil {
t.Fatalf("NewStorer: %v", err)
}
ctx := context.Background()
err = storer.Put(ctx, blobKey, strings.NewReader("blob"))
if err != nil {
t.Fatalf("Put: %v", err)
}
_, err = backend.HeadObject(s3TestBucket, tc.keyPrefix+blobKey)
if err != nil {
t.Errorf("blob not stored at %q: %v", tc.keyPrefix+blobKey, err)
}
_, err = backend.PutObject(s3TestBucket, tc.keyPrefix+manifestKey,
nil, strings.NewReader(manifestBody), int64(len(manifestBody)))
if err != nil {
t.Fatalf("seed manifest: %v", err)
}
keys, err := storer.List(ctx, listPrefix)
if err != nil {
t.Fatalf("List: %v", err)
}
if !slices.Equal(keys, []string{manifestKey}) {
t.Errorf("List(%q) = %q, want [%q]", listPrefix, keys, manifestKey)
}
streamed := listStreamKeys(t, storer, listPrefix)
if !slices.Equal(streamed, []string{manifestKey}) {
t.Errorf("ListStream(%q) = %q, want [%q]", listPrefix, streamed, manifestKey)
}
})
}
}
// TestS3UploadUsesConfiguredPartSize checks that s3.part_size reaches the
// multipart uploader, through storage_url and through the s3.* fields. An
// object three parts long must arrive as three parts; at the SDK's default
// of 5 MiB it would arrive as four.
func TestS3UploadUsesConfiguredPartSize(t *testing.T) {
t.Parallel()
const (
partSize = 6 * 1024 * 1024
wantParts = 3
)
backend := s3mem.New()
err := backend.CreateBucket(s3TestBucket)
if err != nil {
t.Fatalf("create bucket: %v", err)
}
// Every part of a multipart upload is one request with a partNumber.
var parts atomic.Int32
fake := gofakes3.New(backend).Server()
srv := httptest.NewServer(http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
if r.URL.Query().Has("partNumber") {
parts.Add(1)
}
fake.ServeHTTP(w, r)
}))
t.Cleanup(srv.Close)
cases := []struct {
name string
cfg *config.Config
}{
{
name: "storage_url",
cfg: &config.Config{
StorageURL: "s3://" + s3TestBucket + "?endpoint=" + srv.URL,
S3: config.S3Config{
AccessKeyID: s3TestAccessKeyID,
SecretAccessKey: s3TestSecretAccessKey,
PartSize: partSize,
},
},
},
{
name: "s3.endpoint",
cfg: &config.Config{
S3: config.S3Config{
Endpoint: srv.URL,
Bucket: s3TestBucket,
AccessKeyID: s3TestAccessKeyID,
SecretAccessKey: s3TestSecretAccessKey,
PartSize: partSize,
},
},
},
}
for _, tc := range cases {
parts.Store(0)
storer, err := storage.NewStorer(tc.cfg)
if err != nil {
t.Fatalf("%s: NewStorer: %v", tc.name, err)
}
data := bytes.NewReader(make([]byte, wantParts*partSize))
err = storer.PutWithProgress(
context.Background(), "blob", data, data.Size(), nil)
if err != nil {
t.Fatalf("%s: PutWithProgress: %v", tc.name, err)
}
if got := parts.Load(); got != wantParts {
t.Errorf("%s: uploaded in %d parts, want %d", tc.name, got, wantParts)
}
}
}
// listStreamKeys returns the keys ListStream yields under a prefix, and
// fails the test on a listing error.
func listStreamKeys(t *testing.T, s storage.Storer, prefix string) []string {
t.Helper()
var keys []string
for obj := range s.ListStream(context.Background(), prefix) {
if obj.Err != nil {
t.Fatalf("ListStream %q: %v", prefix, obj.Err)
}
keys = append(keys, obj.Key)
}
return keys
}
internal/storage/storer.go
-6
View File
@@ -71,12 +71,6 @@ type Storer interface {
// If an error occurs during listing, the final item will have Err set.
ListStream(ctx context.Context, prefix string) <-chan ObjectInfo
// DeletePartialUploads removes every object under prefix that an
// upload cut off part-way left under a temporary name ending in
// `.partial`. The file and rclone backends' List and ListStream skip
// such an object.
DeletePartialUploads(ctx context.Context, prefix string) error
// Info returns human-readable storage location information.
Info() Info
}
internal/storage/url.go
+12 -26
View File
@@ -17,10 +17,8 @@ const (
// Sentinel errors for storage URL parsing.
var (
ErrEmptyStorageURL = errors.New("storage URL is empty")
ErrEmptyFilePath = errors.New("file URL path is empty")
ErrRelativeFilePath = errors.New(
"file URL needs an absolute path, as in file:///path/to/backup")
ErrEmptyStorageURL = errors.New("storage URL is empty")
ErrEmptyFilePath = errors.New("file URL path is empty")
ErrMissingBucket = errors.New("s3 URL missing bucket name")
ErrMissingRemote = errors.New("rclone URL missing remote name")
ErrUnsupportedScheme = errors.New(
@@ -53,8 +51,17 @@ func ParseStorageURL(rawURL string) (*URL, error) {
return nil, ErrEmptyStorageURL
}
// Handle file:// URLs
if after, ok := strings.CutPrefix(rawURL, "file://"); ok {
return parseFileURL(after)
path := after
if path == "" {
return nil, ErrEmptyFilePath
}
return &URL{
Scheme: schemeFile,
Prefix: path,
}, nil
}
if strings.HasPrefix(rawURL, "s3://") {
@@ -68,27 +75,6 @@ func ParseStorageURL(rawURL string) (*URL, error) {
return nil, ErrUnsupportedScheme
}
// parseFileURL parses the path that follows file://. The path must be
// absolute: a relative one would resolve against the working directory,
// so the destination would move with it. Percent-escapes are decoded, so
// my%20stick names the directory "my stick"; a literal space is kept.
func parseFileURL(rawPath string) (*URL, error) {
if rawPath == "" {
return nil, ErrEmptyFilePath
}
if !strings.HasPrefix(rawPath, "/") {
return nil, ErrRelativeFilePath
}
path, err := url.PathUnescape(rawPath)
if err != nil {
return nil, fmt.Errorf("invalid file URL path: %w", err)
}
return &URL{Scheme: schemeFile, Prefix: path}, nil
}
// parseS3URL parses an s3://bucket/prefix URL. It rejects credentials in
// the userinfo and any query parameter other than endpoint, region and
// ssl, so a credential-bearing URL is never stored or echoed.
internal/storage/url_parse_test.go
+2 -16
View File
@@ -14,10 +14,7 @@ import (
func TestParseStorageURLValid(t *testing.T) {
t.Parallel()
const (
bucket = "mybucket"
fileScheme = "file"
)
const bucket = "mybucket"
cases := []struct {
name string
@@ -27,17 +24,7 @@ func TestParseStorageURLValid(t *testing.T) {
{
name: "file absolute path",
raw: "file:///var/backups/vaultik",
want: &storage.URL{Scheme: fileScheme, Prefix: "/var/backups/vaultik"},
},
{
name: "file percent-escaped path is decoded",
raw: "file:///Volumes/my%20stick/backup",
want: &storage.URL{Scheme: fileScheme, Prefix: "/Volumes/my stick/backup"},
},
{
name: "file path with a literal space",
raw: "file:///Volumes/my stick/backup",
want: &storage.URL{Scheme: fileScheme, Prefix: "/Volumes/my stick/backup"},
want: &storage.URL{Scheme: "file", Prefix: "/var/backups/vaultik"},
},
{
name: "s3 bucket and prefix, ssl defaults on",
@@ -103,7 +90,6 @@ func TestParseStorageURLErrors(t *testing.T) {
}{
{"empty url", "", storage.ErrEmptyStorageURL},
{"file empty path", "file://", storage.ErrEmptyFilePath},
{"file relative path", "file://dest", storage.ErrRelativeFilePath},
{"s3 missing bucket", "s3://", storage.ErrMissingBucket},
{"s3 missing bucket with path", "s3:///justprefix", storage.ErrMissingBucket},
{"rclone missing remote", "rclone://", storage.ErrMissingRemote},
internal/types/types.go
+2 -2
View File
@@ -155,8 +155,8 @@ type BlobHash string
// FilePath represents an absolute path to a file or directory.
type FilePath string
// SourcePath is the source directory a scan found a file under, made
// absolute and with symlinks resolved.
// SourcePath represents the root directory from which files are backed up.
// Used during restore to strip the source prefix from paths.
type SourcePath string
// Hostname identifies a host machine.
internal/vaultik/blob_fetch.go
+1 -45
View File
@@ -103,8 +103,6 @@ func (v *Vaultik) FetchAndDecryptBlob(
}
// FetchBlob downloads a blob and returns a reader for the encrypted data.
// The reader is closed as soon as ctx is cancelled, which ends a read
// blocked inside it.
func (v *Vaultik) FetchBlob(
ctx context.Context, blobHash string,
) (io.ReadCloser, error) {
@@ -122,47 +120,5 @@ func (v *Vaultik) FetchBlob(
return nil, fmt.Errorf("downloading blob %s: %w", shortHash(blobHash), err)
}
return newCloseOnCancelReader(ctx, rc), nil
}
// closeOnCancelReader closes the reader it wraps when ctx is cancelled.
// Not every backend's reader stops on cancel by itself (the file
// backend's does not), and a read stalled on a slow or hung source would
// otherwise outlast the shutdown timeout, so the process would exit
// before restore or deep verify removed its decrypted temporary files.
type closeOnCancelReader struct {
io.ReadCloser
ctx context.Context //nolint:containedctx // Read reports its error
stop func() bool
}
func newCloseOnCancelReader(
ctx context.Context, rc io.ReadCloser,
) *closeOnCancelReader {
return &closeOnCancelReader{
ReadCloser: rc,
ctx: ctx,
stop: context.AfterFunc(ctx, func() { _ = rc.Close() }),
}
}
// Read returns the context's error, not the closed reader's, once ctx
// has been cancelled.
func (r *closeOnCancelReader) Read(p []byte) (int, error) {
n, err := r.ReadCloser.Read(p)
if err != nil && r.ctx.Err() != nil {
return n, r.ctx.Err()
}
return n, err
}
// Close closes the wrapped reader, unless the cancel already closed it.
func (r *closeOnCancelReader) Close() error {
if !r.stop() {
return nil
}
return r.ReadCloser.Close()
return rc, nil
}
internal/vaultik/changed_file_restore_test.go
+4 -2
View File
@@ -130,9 +130,10 @@ func assertThirdSnapshotRestores(
// up, and that snapshot is removed. The first snapshot keeps the file row,
// which now lists the appended content's chunks, while removal drops the
// blob that held them.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestBackupAfterRemovingNewestSnapshotRestoresChangedFile(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -177,9 +178,10 @@ func TestBackupAfterRemovingNewestSnapshotRestoresChangedFile(t *testing.T) {
// The next run's prune drops that incomplete snapshot and its blob, while
// the first snapshot keeps the file row, which now lists the appended
// content's chunks.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestBackupAfterInterruptedRunRestoresChangedFile(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
internal/vaultik/destination_validation_test.go
-4
View File
@@ -257,10 +257,6 @@ func (s *stubLister) List(_ context.Context, _ string) ([]string, error) {
return nil, errStubUnused
}
func (s *stubLister) DeletePartialUploads(_ context.Context, _ string) error {
return errStubUnused
}
func (s *stubLister) Info() storage.Info {
return storage.Info{}
}
internal/vaultik/fault_injection_test.go
+33 -31
View File
@@ -38,9 +38,11 @@ import (
// (https://git.eeqj.de/sneak/vaultik/issues/130) and is not re-tested
// here; these tests target the layers above the backend.
//
// log.Initialize replaces the package-global logger that a running
// backup or restore reads, so each test calls it before t.Parallel,
// while no parallel test is running yet.
// The tests run serially, not with t.Parallel: each calls
// log.Initialize, which replaces the package-global logger, and a
// backup or restore running concurrently reads that same logger. Under
// -race the two collide. Running one at a time is the same choice
// prune_count_test.go already makes for the same reason.
const (
faultChunkSize = int64(64 * 1024)
@@ -163,19 +165,17 @@ func newReaderVaultik(
// Scenario 3: a stored blob's bytes are flipped before restore reads
// them. Restore must fail loudly, and no file must be left on the
// restore target holding corrupt content.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestRestoreRejectsCorruptBlob(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
assertRestoreRejectsDamagedBlob(t, faultstore.GetCorrupt, "corrupt")
}
// Scenario 4: a stored blob is truncated before restore reads it. Same
// contract as the corrupt case.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestRestoreRejectsTruncatedBlob(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
assertRestoreRejectsDamagedBlob(t, faultstore.GetTruncate, "truncated")
}
@@ -188,6 +188,7 @@ func assertRestoreRejectsDamagedBlob(
t *testing.T, fault faultstore.GetFault, name string,
) {
t.Helper()
log.Initialize(log.Config{})
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -231,9 +232,10 @@ func assertRestoreRejectsDamagedBlob(
// Scenario 6: the backend accepts blob uploads and reports success but
// stores nothing. verify --deep must catch it.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestDeepVerifyCatchesLyingBackend(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -283,9 +285,10 @@ func TestDeepVerifyCatchesLyingBackend(t *testing.T) {
// Scenario 1a: a blob upload fails partway through. The interrupted run
// must not record the blob as uploaded, must not reference it from the
// snapshot, and must leave no blob object at the destination.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestInterruptedBlobUploadRecordsNoUploadedBlob(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -298,10 +301,6 @@ func TestInterruptedBlobUploadRecordsNoUploadedBlob(t *testing.T) {
writeFaultSourceTree(t, fs, dataDir)
// No upload succeeds, so nothing creates the destination directory.
// It must exist for the listing below to show that no blob survived.
require.NoError(t, os.Mkdir(storeDir, 0o750))
inner, err := storage.NewFileStorer(storeDir)
require.NoError(t, err)
@@ -358,9 +357,10 @@ func TestInterruptedBlobUploadRecordsNoUploadedBlob(t *testing.T) {
// chunks in a blob that was actually uploaded, so the retry re-chunks and
// re-uploads the affected data instead of silently referencing data that
// never reached storage.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestBackupRetryAfterInterruptedUploadIsRestorable(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -422,9 +422,10 @@ func TestBackupRetryAfterInterruptedUploadIsRestorable(t *testing.T) {
// covered by TestBackupCompletesOnlyAfterMetadataExport
// (https://git.eeqj.de/sneak/vaultik/issues/177); this test exercises the
// lower-level export path in isolation.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestBackupSurvivesMetadataExportInterruption(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -504,9 +505,10 @@ func TestBackupSurvivesMetadataExportInterruption(t *testing.T) {
// destination. Rerunning the backup must then prune the incomplete
// snapshot, produce a snapshot whose destination metadata and local index
// agree, and restore. See https://git.eeqj.de/sneak/vaultik/issues/177.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestBackupCompletesOnlyAfterMetadataExport(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
@@ -661,18 +663,17 @@ func faultScannerFactory(
) snapshot.ScannerFactory {
return func(params snapshot.ScannerParams) *snapshot.Scanner {
return snapshot.NewScanner(snapshot.ScannerConfig{
FS: params.Fs,
Storage: storer,
ChunkSize: faultChunkSize,
MaxBlobSize: faultMaxBlobSize,
CompressionLevel: cfg.CompressionLevel,
AgeRecipients: cfg.AgeRecipients,
Repositories: repos,
EnableProgress: params.EnableProgress,
UI: params.UI,
Exclude: params.Exclude,
SkipErrors: params.SkipErrors,
PreviousSnapshotID: params.PreviousSnapshotID,
FS: params.Fs,
Storage: storer,
ChunkSize: faultChunkSize,
MaxBlobSize: faultMaxBlobSize,
CompressionLevel: cfg.CompressionLevel,
AgeRecipients: cfg.AgeRecipients,
Repositories: repos,
EnableProgress: params.EnableProgress,
UI: params.UI,
Exclude: params.Exclude,
SkipErrors: params.SkipErrors,
})
}
}
@@ -680,9 +681,10 @@ func faultScannerFactory(
// Scenario 5: the restore target runs out of space mid-file. Restore
// must fail with an out-of-space error, and must not leave a truncated
// file at the target path presenting as a complete restore.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestRestoreReportsDiskFull(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
osFS := afero.NewOsFs()
tempDir := t.TempDir()
internal/vaultik/helpers.go
+42 -47
View File
@@ -3,14 +3,12 @@ package vaultik
import (
"errors"
"fmt"
"math"
"regexp"
"strconv"
"strings"
"time"
"github.com/dustin/go-humanize"
"sneak.berlin/go/vaultik/internal/snapshot"
"sneak.berlin/go/vaultik/internal/types"
)
@@ -48,13 +46,12 @@ const (
year = 365 * day
)
// maxDuration is the largest value a time.Duration can hold, about 292
// years.
const maxDuration = time.Duration(math.MaxInt64)
// A snapshot ID split on "_" has at least a hostname and a trailing
// timestamp.
const minSnapshotIDParts = 2
// Snapshot IDs split on "_" into hostname, optional name parts, and a
// trailing timestamp.
const (
minSnapshotIDParts = 2
minSnapshotIDNameParts = 3
)
// SnapshotInfo contains information about a snapshot.
//
@@ -89,6 +86,22 @@ type SnapshotInfo struct {
RemotePresent *bool `json:"remote_present"`
}
// formatBytes formats bytes in a human-readable format
func formatBytes(bytes int64) string {
const unit = 1024
if bytes < unit {
return fmt.Sprintf("%d B", bytes)
}
div, exp := int64(unit), 0
for n := bytes / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %cB", float64(bytes)/float64(div), "KMGTPE"[exp])
}
// parseSnapshotTimestamp extracts the timestamp from a snapshot ID
// Format: hostname_snapshotname_2026-01-12T14:41:15Z
func parseSnapshotTimestamp(snapshotID string) (time.Time, error) {
@@ -108,36 +121,29 @@ func parseSnapshotTimestamp(snapshotID string) (time.Time, error) {
return timestamp.UTC(), nil
}
// parseSnapshotName extracts the snapshot name from a snapshot ID of the
// form hostname_name_timestamp, given the hostname stored with that
// snapshot. The hostname and the name may both contain underscores, so the
// name is what is left after removing the short hostname and its "_" from
// the front and the last "_" and the timestamp from the end. Returns "" for
// an ID with no name (hostname_timestamp), and for an ID that does not start
// with that hostname, which CreateSnapshotWithName never writes.
func parseSnapshotName(snapshotID, hostname string) string {
prefix := snapshot.ShortHostname(hostname) + "_"
rest, ok := strings.CutPrefix(snapshotID, prefix)
if !ok {
// parseSnapshotName extracts the snapshot name from a snapshot ID.
// Format: hostname_snapshotname_timestamp — the middle part(s) between hostname
// and the RFC3339 timestamp are the snapshot name (may contain underscores).
// Returns the snapshot name, or empty string if the ID is malformed.
func parseSnapshotName(snapshotID string) string {
parts := strings.Split(snapshotID, "_")
if len(parts) < minSnapshotIDNameParts {
// Format: hostname_timestamp — no snapshot name
return ""
}
end := strings.LastIndex(rest, "_")
if end < 0 {
return ""
}
return rest[:end]
// Format: hostname_name_timestamp — middle parts are the name.
// The last part is the RFC3339 timestamp, the first part is the hostname,
// everything in between is the snapshot name (which may itself contain underscores).
return strings.Join(parts[1:len(parts)-1], "_")
}
// parseDuration parses a duration string with support for human-friendly units:
// d/day/days, w/week/weeks, mo/month/months, y/year/years, plus standard Go
// duration units. Following Go, m is minutes and mo is months. A bare number,
// an unknown unit, a negative value, and a total longer than maxDuration are
// all rejected. Outside the Go units the input must be whole numbers each
// followed directly by a unit (2w3d), so 1.0y and 30 days are errors;
// decimals work only in Go units (1.5h).
// an unknown unit, and a negative value are all rejected. Outside the Go
// units the input must be whole numbers each followed directly by a unit
// (2w3d), so 1.0y and 30 days are errors; decimals work only in Go units
// (1.5h).
func parseDuration(s string) (time.Duration, error) {
if strings.HasPrefix(strings.TrimSpace(s), "-") {
return 0, errNegativeDuration
@@ -170,30 +176,19 @@ func parseDuration(s string) (time.Duration, error) {
return 0, fmt.Errorf("invalid number %q: %w", match[1], err)
}
var unitLength time.Duration
unit := strings.ToLower(match[2])
switch unit {
case "d", "day", "days":
unitLength = day
total += time.Duration(n) * day
case "w", "week", "weeks":
unitLength = week
total += time.Duration(n) * week
case "mo", "month", "months":
unitLength = month
total += time.Duration(n) * month
case "y", "year", "years":
unitLength = year
total += time.Duration(n) * year
default:
return 0, fmt.Errorf("%w %q", errUnknownTimeUnit, unit)
}
// Past maxDuration the sum wraps to a negative value, which would
// put the purge cutoff in the future.
if time.Duration(n) > (maxDuration-total)/unitLength {
return 0, fmt.Errorf("%w: %q is longer than about 292 years",
errInvalidDuration, s)
}
total += time.Duration(n) * unitLength
}
return total, nil
internal/vaultik/helpers_test.go
+3 -36
View File
@@ -11,55 +11,33 @@ func TestParseSnapshotName(t *testing.T) {
tests := []struct {
name string
snapshotID string
hostname string
want string
}{
{
name: "standard format with name",
snapshotID: "myhost_home_2026-01-12T14:41:15Z",
hostname: "myhost",
want: "home",
},
{
name: "standard format with different name",
snapshotID: "server1_system_2026-02-15T09:30:00Z",
hostname: "server1",
want: "system",
},
{
name: "name with underscores",
snapshotID: "myhost_my_special_backup_2026-03-01T00:00:00Z",
hostname: "myhost",
want: "my_special_backup",
},
{
name: "hostname with underscores",
snapshotID: "my_host_docs_2026-03-01T00:00:00Z",
hostname: "my_host",
want: "docs",
},
{
name: "stored hostname with domain",
snapshotID: "my_host_mail_2026-03-01T00:00:00Z",
hostname: "my_host.example.com",
want: "mail",
},
{
name: "no name",
snapshotID: "my_host_2026-03-01T00:00:00Z",
hostname: "my_host",
want: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
got := parseSnapshotName(tt.snapshotID, tt.hostname)
got := parseSnapshotName(tt.snapshotID)
if got != tt.want {
t.Errorf("parseSnapshotName(%q, %q) = %q, want %q",
tt.snapshotID, tt.hostname, got, tt.want)
t.Errorf("parseSnapshotName(%q) = %q, want %q",
tt.snapshotID, got, tt.want)
}
})
}
@@ -111,17 +89,6 @@ func TestParseDuration(t *testing.T) {
{"30 days", 0, true},
{"30 days ago", 0, true},
{"x7d", 0, true},
// The largest time.Duration is about 292 years. A larger value
// must be rejected, not wrapped to a negative one, which would
// put the cutoff in the future and select every snapshot.
{"292y", 292 * 365 * 24 * time.Hour, false},
{"293y", 0, true},
{"3559mo", 0, true},
{"15251w", 0, true},
{"106752d", 0, true},
{"2562048h", 0, true},
{"200y200y", 0, true},
{"292y6mo", 0, true},
}
for _, tt := range tests {
internal/vaultik/info.go
+49 -140
View File
@@ -167,6 +167,10 @@ const (
// metadataKeyParts is the minimum "/"-separated segment count of a
// metadata object key (metadata/<snapshot-id>/<filename>).
metadataKeyParts = 3
// blobKeyParts is the minimum "/"-separated segment count of a blob
// object key (blobs/<aa>/<bb>/<hash>).
blobKeyParts = 4
)
// SnapshotMetadataInfo contains information about a single snapshot's metadata
@@ -177,16 +181,8 @@ type SnapshotMetadataInfo struct {
ManifestSize int64 `json:"manifest_size"`
DatabaseSize int64 `json:"database_size"`
TotalSize int64 `json:"total_size"`
// Both stay nil (null in the JSON) when the snapshot's manifest was
// listed but could not be read.
BlobCount *int `json:"blob_count"`
BlobsSize *int64 `json:"blobs_size"`
// Set when the listing holds this snapshot's manifest.json.zst. A
// backup interrupted before its manifest upload leaves a directory
// without one, which prune does not treat as a snapshot.
hasManifest bool
BlobCount int `json:"blob_count"`
BlobsSize int64 `json:"blobs_size"`
}
// RemoteInfoResult contains all remote storage information
@@ -210,20 +206,9 @@ type RemoteInfoResult struct {
ReferencedBlobCount int `json:"referenced_blob_count"`
ReferencedBlobSize int64 `json:"referenced_blob_size"`
// Orphaned blobs. Both stay nil (null in the JSON) when a manifest
// was listed but not read, since that snapshot's blobs would be
// counted as orphaned.
OrphanedBlobCount *int `json:"orphaned_blob_count"`
OrphanedBlobSize *int64 `json:"orphaned_blob_size"`
// Remote key of each snapshot whose manifest could not be read
UnreadableManifests []string `json:"unreadable_manifests,omitempty"`
// Number of manifests not read because the name above them under
// metadata/ is not a remote key. The names themselves are not
// reported: they come from the destination store and may hold
// control characters.
SkippedManifestCount int `json:"skipped_manifest_count,omitempty"`
// Orphaned blobs
OrphanedBlobCount int `json:"orphaned_blob_count"`
OrphanedBlobSize int64 `json:"orphaned_blob_size"`
}
// RemoteInfo displays information about remote storage
@@ -249,28 +234,16 @@ func (v *Vaultik) RemoteInfo(jsonOutput bool) error {
v.stdoutf("Scanning snapshot metadata...\n")
}
snapshotMetadata, snapshotIDs, skippedManifestCount, err := v.collectSnapshotMetadata()
snapshotMetadata, snapshotIDs, err := v.collectSnapshotMetadata()
if err != nil {
return err
}
result.SkippedManifestCount = skippedManifestCount
if showText {
manifestCount := 0
for _, info := range snapshotMetadata {
if info.hasManifest {
manifestCount++
}
}
v.stdoutf("Downloading %d manifest(s)...\n", manifestCount)
v.stdoutf("Downloading %d manifest(s)...\n", len(snapshotIDs))
}
referencedBlobs, unreadableManifests := v.collectReferencedBlobsFromManifests(
snapshotIDs, snapshotMetadata)
result.UnreadableManifests = unreadableManifests
referencedBlobs := v.collectReferencedBlobsFromManifests(snapshotIDs, snapshotMetadata)
v.populateRemoteInfoResult(result, snapshotMetadata, snapshotIDs, referencedBlobs)
@@ -283,7 +256,7 @@ func (v *Vaultik) RemoteInfo(jsonOutput bool) error {
"snapshots", result.TotalMetadataCount,
"total_blobs", result.TotalBlobCount,
"referenced_blobs", result.ReferencedBlobCount,
"unreadable_manifests", len(result.UnreadableManifests))
"orphaned_blobs", result.OrphanedBlobCount)
if jsonOutput {
enc := json.NewEncoder(v.Stdout)
@@ -300,18 +273,16 @@ func (v *Vaultik) RemoteInfo(jsonOutput bool) error {
}
// collectSnapshotMetadata scans remote metadata and returns
// per-snapshot info, sorted IDs and the number of manifests it skipped
// because the name above them is not a remote key.
// per-snapshot info and sorted IDs.
func (v *Vaultik) collectSnapshotMetadata() (
map[string]*SnapshotMetadataInfo, []string, int, error,
map[string]*SnapshotMetadataInfo, []string, error,
) {
snapshotMetadata := make(map[string]*SnapshotMetadataInfo)
skippedManifestCount := 0
metadataCh := v.Storage.ListStream(v.ctx, "metadata/")
for obj := range metadataCh {
if obj.Err != nil {
return nil, nil, 0, fmt.Errorf("listing metadata: %w", obj.Err)
return nil, nil, fmt.Errorf("listing metadata: %w", obj.Err)
}
parts := strings.Split(obj.Key, "/")
@@ -320,22 +291,6 @@ func (v *Vaultik) collectSnapshotMetadata() (
}
snapshotID := parts[1]
filename := parts[2]
isManifest := filename == "manifest.json.zst"
// The name comes from the destination store, which is not
// trusted, and is printed in the report. Accept it only in the
// form of a remote key.
if !isBlobHash(snapshotID) {
log.Warn("Skipping non-conforming key under metadata/",
"key", obj.Key)
if isManifest {
skippedManifestCount++
}
continue
}
if _, exists := snapshotMetadata[snapshotID]; !exists {
snapshotMetadata[snapshotID] = &SnapshotMetadataInfo{SnapshotID: snapshotID}
@@ -343,10 +298,7 @@ func (v *Vaultik) collectSnapshotMetadata() (
info := snapshotMetadata[snapshotID]
if isManifest {
info.hasManifest = true
}
filename := parts[2]
if strings.HasPrefix(filename, "manifest") {
info.ManifestSize = obj.Size
} else if strings.HasPrefix(filename, "db") {
@@ -363,29 +315,17 @@ func (v *Vaultik) collectSnapshotMetadata() (
sort.Strings(snapshotIDs)
return snapshotMetadata, snapshotIDs, skippedManifestCount, nil
return snapshotMetadata, snapshotIDs, nil
}
// collectReferencedBlobsFromManifests downloads the listed manifests
// and returns referenced blob hashes with sizes, and the remote keys
// of the manifests it could not read.
// collectReferencedBlobsFromManifests downloads manifests and returns
// referenced blob hashes with sizes.
func (v *Vaultik) collectReferencedBlobsFromManifests(
snapshotIDs []string, snapshotMetadata map[string]*SnapshotMetadataInfo,
) (map[string]int64, []string) {
) map[string]int64 {
referencedBlobs := make(map[string]int64)
var unreadable []string
for _, snapshotID := range snapshotIDs {
info := snapshotMetadata[snapshotID]
if !info.hasManifest {
// The orphan figures count this directory's blobs as
// orphaned, so it references none.
info.BlobCount, info.BlobsSize = new(int), new(int64)
continue
}
// snapshotIDs here are remote keys, taken straight from the
// metadata/ listing. downloadManifestByKey is the single reader
// for remote manifests; see its doc comment.
@@ -393,12 +333,11 @@ func (v *Vaultik) collectReferencedBlobsFromManifests(
if err != nil {
log.Warn("Failed to read manifest", "snapshot", snapshotID, "error", err)
unreadable = append(unreadable, snapshotID)
continue
}
blobCount := manifest.BlobCount
info := snapshotMetadata[snapshotID]
info.BlobCount = manifest.BlobCount
var blobsSize int64
@@ -407,11 +346,10 @@ func (v *Vaultik) collectReferencedBlobsFromManifests(
blobsSize += blob.CompressedSize
}
info.BlobCount = &blobCount
info.BlobsSize = &blobsSize
info.BlobsSize = blobsSize
}
return referencedBlobs, unreadable
return referencedBlobs
}
// populateRemoteInfoResult fills in the result's snapshot and
@@ -440,9 +378,8 @@ func (v *Vaultik) populateRemoteInfoResult(
}
// scanRemoteBlobStorage lists all blobs on remote and computes orphan
// stats when every listed manifest was read. showText is true only
// when the human report is being printed (not --json, not --quiet),
// gating the progress line.
// stats. showText is true only when the human report is being printed
// (not --json, not --quiet), gating the progress line.
func (v *Vaultik) scanRemoteBlobStorage(
result *RemoteInfoResult, referencedBlobs map[string]int64, showText bool,
) error {
@@ -450,40 +387,32 @@ func (v *Vaultik) scanRemoteBlobStorage(
v.stdoutf("Scanning blobs...\n")
}
// Use prune's listing, so a file under blobs/ that prune would never
// delete is not counted as a blob, and so not as an orphaned one.
allBlobs, err := v.listAllRemoteBlobs()
if err != nil {
return err
}
blobCh := v.Storage.ListStream(v.ctx, "blobs/")
allBlobs := make(map[string]int64)
for _, size := range allBlobs {
for obj := range blobCh {
if obj.Err != nil {
return fmt.Errorf("listing blobs: %w", obj.Err)
}
parts := strings.Split(obj.Key, "/")
if len(parts) < blobKeyParts {
continue
}
hash := parts[3]
allBlobs[hash] = obj.Size
result.TotalBlobCount++
result.TotalBlobSize += size
result.TotalBlobSize += obj.Size
}
// A blob named only by a manifest that could not be read, or by one
// under a skipped name, would be counted as orphaned, so the orphan
// figures stay unknown.
if len(result.UnreadableManifests) > 0 || result.SkippedManifestCount > 0 {
return nil
}
var (
orphanedCount int
orphanedSize int64
)
for hash, size := range allBlobs {
if _, referenced := referencedBlobs[hash]; !referenced {
orphanedCount++
orphanedSize += size
result.OrphanedBlobCount++
result.OrphanedBlobSize += size
}
}
result.OrphanedBlobCount = &orphanedCount
result.OrphanedBlobSize = &orphanedSize
return nil
}
@@ -513,23 +442,13 @@ func (v *Vaultik) printRemoteInfoTable(result *RemoteInfoResult) {
v.stdoutf("%s", separator)
for _, info := range result.Snapshots {
blobCount := unknownText
if info.BlobCount != nil {
blobCount = humanize.Comma(int64(*info.BlobCount))
}
blobsSize := unknownText
if info.BlobsSize != nil {
blobsSize = ubytes(*info.BlobsSize)
}
v.stdoutf(rowFormat,
truncateString(info.SnapshotID, snapshotIDColWidth),
ubytes(info.ManifestSize),
ubytes(info.DatabaseSize),
ubytes(info.TotalSize),
blobCount,
blobsSize,
humanize.Comma(int64(info.BlobCount)),
ubytes(info.BlobsSize),
)
}
@@ -546,21 +465,11 @@ func (v *Vaultik) printRemoteInfoTable(result *RemoteInfoResult) {
v.stdoutf("Referenced by snapshots: %s (%s)\n",
humanize.Comma(int64(result.ReferencedBlobCount)),
ubytes(result.ReferencedBlobSize))
if result.OrphanedBlobCount == nil {
v.stdoutf("Orphaned (unreferenced): unknown "+
"(%d manifest(s) could not be read, "+
"%d manifest(s) under a non-conforming name skipped)\n",
len(result.UnreadableManifests), result.SkippedManifestCount)
return
}
v.stdoutf("Orphaned (unreferenced): %s (%s)\n",
humanize.Comma(int64(*result.OrphanedBlobCount)),
ubytes(*result.OrphanedBlobSize))
humanize.Comma(int64(result.OrphanedBlobCount)),
ubytes(result.OrphanedBlobSize))
if *result.OrphanedBlobCount > 0 {
if result.OrphanedBlobCount > 0 {
v.stdoutf("\nRun 'vaultik prune' to remove orphaned blobs.\n")
}
}
internal/vaultik/integration_test.go
+12 -17
View File
@@ -155,12 +155,6 @@ func (m *MockStorer) ListStream(
return ch
}
// DeletePartialUploads has nothing to remove: Put stores each object
// under its key at once.
func (m *MockStorer) DeletePartialUploads(_ context.Context, _ string) error {
return nil
}
func (m *MockStorer) Info() storage.Info {
return storage.Info{
Type: "mock",
@@ -255,7 +249,7 @@ func verifyEndToEndBackupState(
assert.Positive(t, blobUploads, "Should upload at least one blob")
// Verify files in database
files, err := repos.Files.ListUnderPath(ctx, "/home/user")
files, err := repos.Files.ListByPrefix(ctx, "/home/user")
require.NoError(t, err)
// Count only regular files (not directories)
regularFiles := 0
@@ -934,17 +928,17 @@ func setupDedupBackupEnv(
}
}
// runDedupSnapshot creates a snapshot with the given name, scans dataDir
// into it, completes it, and exports its metadata, returning the snapshot
// ID and scan result.
// runDedupSnapshot creates a "dedup" snapshot, scans dataDir into it,
// completes it, and exports its metadata, returning the snapshot ID and
// scan result.
func runDedupSnapshot(
ctx context.Context, t *testing.T,
sm *snapshot.SnapshotManager, scanner *snapshot.Scanner,
hostname, name, dataDir, dbPath string,
hostname, dataDir, dbPath string,
) (string, *snapshot.ScanResult) {
t.Helper()
id, err := sm.CreateSnapshotWithName(ctx, hostname, name, "v", "g")
id, err := sm.CreateSnapshotWithName(ctx, hostname, "dedup", "v", "g")
require.NoError(t, err)
result, err := scanner.Scan(ctx, dataDir, id)
@@ -986,15 +980,16 @@ func TestDedupOnlySnapshotRestores(t *testing.T) {
// First snapshot — uploads all blobs.
_, r1 := runDedupSnapshot(ctx, t, sm, makeScanner(),
cfg.Hostname, "first", dataDir, dbPath)
cfg.Hostname, dataDir, dbPath)
require.Positive(t, r1.BlobsCreated,
"first snapshot should upload at least one blob")
// Second snapshot — same data, every chunk dedups. Its own name gives
// it a different snapshot ID without waiting for the one-second
// timestamp in the ID to tick over.
// Second snapshot — same data, every chunk dedups. Sleep past the
// second-precision timestamp so the snapshot IDs differ.
time.Sleep(1100 * time.Millisecond)
id2, r2 := runDedupSnapshot(ctx, t, sm, makeScanner(),
cfg.Hostname, "second", dataDir, dbPath)
cfg.Hostname, dataDir, dbPath)
require.Equal(t, 0, r2.BlobsCreated,
"second snapshot should upload zero new blobs (fully dedup'd)")
internal/vaultik/missing_destination_test.go
-171
View File
@@ -1,171 +0,0 @@
package vaultik_test
import (
"bytes"
"context"
"io/fs"
"os"
"path/filepath"
"strings"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/storage"
"sneak.berlin/go/vaultik/internal/ui"
"sneak.berlin/go/vaultik/internal/vaultik"
)
// These tests cover https://git.eeqj.de/sneak/vaultik/issues/220: a
// file:// destination whose directory is missing, such as a USB stick
// that is not plugged in, cannot be listed. It is not an empty store, so
// no command may conclude from it that the local snapshots are gone.
// backUpToFileDestination backs up the snapshot named "first" to a
// file:// destination at storeDir, which need not exist yet. Everything
// the returned Vaultik prints after the backup goes to the returned
// buffer.
func backUpToFileDestination(
ctx context.Context, t *testing.T, storeDir string,
) (*vaultik.Vaultik, *database.Repositories, *bytes.Buffer) {
t.Helper()
osFs := afero.NewOsFs()
tempDir := t.TempDir()
dataDir := filepath.Join(tempDir, "src")
dbPath := filepath.Join(tempDir, "index.sqlite")
writeFaultSourceTree(t, osFs, dataDir)
store, err := storage.NewFileStorer(storeDir)
require.NoError(t, err)
db, err := database.New(ctx, dbPath)
require.NoError(t, err)
t.Cleanup(func() { _ = db.Close() })
repos := database.NewRepositories(db)
cfg := changedFileConfig(dataDir, dbPath)
v := newBackupVaultik(ctx, cfg, store, repos, db, osFs)
require.NoError(t, backUp(v, "first"))
out := &bytes.Buffer{}
v.Stdout = out
v.UI = ui.NewWithColor(out, false)
return v, repos, out
}
// backUpThenUnplug backs up to a file:// destination, then moves the
// destination directory away, as unplugging the volume it lives on would.
func backUpThenUnplug(
ctx context.Context, t *testing.T,
) (*vaultik.Vaultik, *database.Repositories, *bytes.Buffer) {
t.Helper()
storeDir := filepath.Join(t.TempDir(), "usbstick")
v, repos, out := backUpToFileDestination(ctx, t, storeDir)
require.NoError(t, os.Rename(storeDir, storeDir+"-unplugged"))
return v, repos, out
}
// TestFirstBackupCreatesDestinationDirectory checks that a first backup
// to a destination directory that does not exist yet creates it, and
// that the destination can be listed afterwards.
func TestFirstBackupCreatesDestinationDirectory(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
storeDir := filepath.Join(t.TempDir(), "volume", "backup")
v, _, out := backUpToFileDestination(ctx, t, storeDir)
require.NoError(t, v.ListSnapshots(false))
assert.NotContains(t, out.String(), "Could not list backup destination store")
assert.NotContains(t, out.String(), "not found in backup destination store")
}
// TestListSnapshotsWarnsWhenDestinationMissing checks that snapshot list
// warns and shows the local index alone, without reporting the local
// snapshot as missing from the destination.
func TestListSnapshotsWarnsWhenDestinationMissing(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
v, repos, out := backUpThenUnplug(ctx, t)
id := localSnapshotID(ctx, t, repos, "first")
require.NoError(t, v.ListSnapshots(false))
assert.Contains(t, out.String(), "Could not list backup destination store")
assert.Contains(t, out.String(), "Showing snapshots from the local index only.")
assert.Contains(t, out.String(), id)
assert.NotContains(t, out.String(), "not found in backup destination store")
}
// TestRemoveSnapshotWarnsWhenDestinationMissing checks that snapshot
// remove warns that the metadata could not be removed from the
// destination, instead of reporting that it was.
func TestRemoveSnapshotWarnsWhenDestinationMissing(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
v, repos, out := backUpThenUnplug(ctx, t)
result, err := v.RemoveSnapshot(localSnapshotID(ctx, t, repos, "first"),
&vaultik.RemoveOptions{Force: true})
require.NoError(t, err)
assert.False(t, result.RemoteRemoved)
assert.Contains(t, out.String(),
"Could not remove snapshot metadata from remote")
assert.NotContains(t, out.String(),
"Removed snapshot metadata from remote storage")
}
// TestPruneKeepsLocalRecordsWhenDestinationMissing checks that prune
// fails on a destination it cannot list and deletes no local snapshot
// record.
func TestPruneKeepsLocalRecordsWhenDestinationMissing(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
v, repos, _ := backUpThenUnplug(ctx, t)
err := v.Prune(&vaultik.PruneOptions{Force: true})
require.ErrorIs(t, err, fs.ErrNotExist)
require.ErrorContains(t, err, "listing remote snapshots")
snapshots, err := repos.Snapshots.ListRecent(ctx, listRecentTestLimit)
require.NoError(t, err)
assert.Len(t, snapshots, 1, "prune must delete no local snapshot record")
}
// TestPurgeSaysListingFailedOnceWhenDestinationMissing checks that
// snapshot purge fails on a destination it cannot list, with an error
// that says "listing remote snapshots" once.
func TestPurgeSaysListingFailedOnceWhenDestinationMissing(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
v, _, _ := backUpThenUnplug(ctx, t)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
Force: true,
})
require.ErrorIs(t, err, fs.ErrNotExist)
assert.Equal(t, 1, strings.Count(err.Error(), "listing remote snapshots"),
err.Error())
}
internal/vaultik/new_chunk_size_test.go
-133
View File
@@ -1,133 +0,0 @@
package vaultik_test
import (
"bytes"
"context"
"maps"
"path/filepath"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/chunker"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/storage"
"sneak.berlin/go/vaultik/internal/vaultik"
)
// TestNewChunkSizeOfChangedFileStaysFixed covers
// https://git.eeqj.de/sneak/vaultik/issues/311. A backup whose only change
// is a modified file lists the size of the chunks that change added as its
// NEW CHUNK SIZE, and a later backup that changes the file again leaves
// every earlier snapshot's figure as it was. The file's row in the local
// index is shared by all three snapshots and rewritten by each backup.
func TestNewChunkSizeOfChangedFileStaysFixed(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
dataDir := filepath.Join(tempDir, "src")
dbPath := filepath.Join(tempDir, "index.sqlite")
changedPath := filepath.Join(dataDir, "changed.bin")
ctx := context.Background()
files := writeFaultSourceTree(t, fs, dataDir)
cfg := changedFileConfig(dataDir, dbPath)
appendRandomBytes(t, fs, files, changedPath, appendedFileSize)
store, err := storage.NewFileStorer(filepath.Join(tempDir, "remote"))
require.NoError(t, err)
db, err := database.New(ctx, dbPath)
require.NoError(t, err)
t.Cleanup(func() { _ = db.Close() })
repos := database.NewRepositories(db)
v := newBackupVaultik(ctx, cfg, store, repos, db, fs)
require.NoError(t, backUp(v, "first"))
firstFiles := maps.Clone(files)
firstID := localSnapshotID(ctx, t, repos, "first")
appendRandomBytes(t, fs, files, changedPath, faultChunkSize)
require.NoError(t, backUp(v, "second"))
secondID := localSnapshotID(ctx, t, repos, "second")
secondAdded := sizeOfNewChunks(t, files, firstFiles)
require.Positive(t, secondAdded)
assert.Equal(t, secondAdded, listedNewChunkSizes(t, v)[secondID],
"the second snapshot must count the chunks the change added")
appendRandomBytes(t, fs, files, changedPath, faultChunkSize)
require.NoError(t, backUp(v, "third"))
sizes := listedNewChunkSizes(t, v)
assert.Equal(t, sizeOfNewChunks(t, firstFiles, nil), sizes[firstID],
"a later backup must not change the first snapshot's figure")
assert.Equal(t, secondAdded, sizes[secondID],
"a later backup must not change the second snapshot's figure")
}
// sizeOfNewChunks returns the total size of the distinct chunks of the
// files in after that no file in before has, cut the way the backup cuts
// them.
func sizeOfNewChunks(t *testing.T, after, before map[string][]byte) int64 {
t.Helper()
known := make(map[string]bool)
for _, chunk := range chunksOf(t, before) {
known[chunk.Hash] = true
}
var total int64
for _, chunk := range chunksOf(t, after) {
if !known[chunk.Hash] {
known[chunk.Hash] = true
total += chunk.Size
}
}
return total
}
// chunksOf returns the chunks of every file in files.
func chunksOf(t *testing.T, files map[string][]byte) []chunker.Chunk {
t.Helper()
c := chunker.NewChunker(faultChunkSize)
var all []chunker.Chunk
for _, content := range files {
chunks, err := c.ChunkReader(bytes.NewReader(content))
require.NoError(t, err)
all = append(all, chunks...)
}
return all
}
// listedNewChunkSizes runs `snapshot list --json` and returns each listed
// snapshot's new_chunk_size by snapshot ID.
func listedNewChunkSizes(t *testing.T, v *vaultik.Vaultik) map[string]int64 {
t.Helper()
var out bytes.Buffer
v.Stdout = &out
require.NoError(t, v.ListSnapshots(true))
sizes := make(map[string]int64)
for _, row := range decodeListJSON(t, out.String()) {
sizes[row.ID] = row.NewChunkSize
}
return sizes
}
internal/vaultik/nuke_remote_test.go
-64
View File
@@ -1,64 +0,0 @@
package vaultik_test
import (
"context"
"io/fs"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/snapshot"
)
// TestNukeRemoteLeavesNoFiles checks that remote nuke leaves no file
// under a file:// destination, including the `.partial` files uploads
// killed part-way leave next to a snapshot's metadata and next to where a
// blob would have been.
func TestNukeRemoteLeavesNoFiles(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
storeDir := filepath.Join(t.TempDir(), "store")
v, repos, _ := backUpToFileDestination(ctx, t, storeDir)
snapshots, err := repos.Snapshots.ListRecent(ctx, listRecentTestLimit)
require.NoError(t, err)
require.Len(t, snapshots, 1)
snapshotKey := snapshot.RemoteSnapshotKey(snapshots[0].ID.String())
hash := testBlobHashA
leftovers := []string{
filepath.Join(storeDir, "metadata", snapshotKey,
"db.zst.age-123456.partial"),
filepath.Join(storeDir, "blobs", hash[:2], hash[2:4],
hash+"-123456.partial"),
}
for _, leftover := range leftovers {
require.NoError(t, os.MkdirAll(filepath.Dir(leftover), 0o750))
require.NoError(t, os.WriteFile(leftover, []byte("half an upload"), 0o600))
}
require.NoError(t, v.NukeRemote(true))
var files []string
err = filepath.WalkDir(storeDir,
func(path string, entry fs.DirEntry, err error) error {
if err != nil {
return err
}
if !entry.IsDir() {
files = append(files, path)
}
return nil
})
require.NoError(t, err)
assert.Empty(t, files)
}
internal/vaultik/prune.go
+2 -16
View File
@@ -23,14 +23,9 @@ var errNukeRequiresForce = errors.New(
// metadata.
const metadataDirName = "metadata"
// blobKeyParts is the "/"-separated segment count of a blob object key
// (blobs/<aa>/<bb>/<hash>).
const blobKeyParts = 4
// NukeRemote deletes every snapshot's metadata and every blob from remote
// storage, along with any object an upload cut off part-way left under a
// temporary `.partial` name. After this returns successfully the bucket
// prefix is empty and the next backup starts from scratch.
// storage. After this returns successfully the bucket prefix is empty and
// the next backup starts from scratch.
//
// Refuses to run unless force is true. The caller is responsible for
// confirming with the user.
@@ -53,15 +48,6 @@ func (v *Vaultik) NukeRemote(force bool) error {
return fmt.Errorf("pruning blobs: %w", err)
}
// The file and rclone listings skip `.partial` objects, so the two
// steps above never delete them.
for _, prefix := range []string{"metadata/", "blobs/"} {
err = v.Storage.DeletePartialUploads(v.ctx, prefix)
if err != nil {
return fmt.Errorf("deleting partial uploads: %w", err)
}
}
v.UI.Completef("Backup destination store is now empty.")
return nil
internal/vaultik/prune_count_test.go
+4 -3
View File
@@ -14,9 +14,10 @@ import (
// the discarded-error bug: getTableCount for a table its query cannot
// resolve must not silently become 0. A count that could not be read is
// reported as unknown, which a reader can tell apart from an empty table.
//
//nolint:paralleltest // installs the global logger via log.Initialize
func TestTableCountForReportSurfacesReadFailure(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
@@ -42,7 +43,7 @@ func TestTableCountForReportSurfacesReadFailure(t *testing.T) {
assert.Nil(t, missing, "a failed read is unknown, not a count")
// The rendered count for a failed read must say unknown, never 0.
assert.Equal(t, unknownText, countText(missing))
assert.Equal(t, countUnknown, countText(missing))
assert.NotEqual(t, "0", countText(missing))
}
@@ -57,7 +58,7 @@ func TestCountTextDistinguishesEmptyFromUnknown(t *testing.T) {
assert.Equal(t, "0", countText(&zero))
assert.Equal(t, "7", countText(&seven))
assert.Equal(t, unknownText, countText(nil))
assert.Equal(t, countUnknown, countText(nil))
}
// TestCountDiffUnknownWhenEitherSideUnknown checks that a delta computed
internal/vaultik/prune_json_test.go
-40
View File
@@ -1,40 +0,0 @@
package vaultik_test
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/vaultik"
)
// TestPruneBlobs_JSONDeletesWithoutAsking checks that prune with --json
// and without --force deletes an unreferenced blob without the
// confirmation prompt. Stdin is empty, so a prompt would read no answer
// and cancel, and its text would come before the JSON document.
func TestPruneBlobs_JSONDeletesWithoutAsking(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
env := newListEnv(t)
// The store holds no manifest, so nothing references this blob.
addBlob(t, env.store.testStorer, testBlobHashA)
err := env.v.PruneBlobs(&vaultik.PruneOptions{JSON: true})
require.NoError(t, err)
blobKey := "blobs/" + testBlobHashA[:2] + "/" + testBlobHashA[2:4] +
"/" + testBlobHashA
assert.False(t, env.store.hasKey(blobKey),
"the unreferenced blob must be deleted")
var result vaultik.PruneBlobsResult
require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &result),
"stdout must hold only the JSON document, got:\n%s",
env.stdout.String())
assert.Equal(t, 1, result.BlobsDeleted)
}
internal/vaultik/purge_local_remote_consistency_test.go
+1 -1
View File
@@ -42,7 +42,7 @@ func setupConsistencyTest(
completedAt := startedAt.Add(5 * time.Minute)
snap := &database.Snapshot{
ID: types.SnapshotID(id),
Hostname: snapHostname,
Hostname: testHostname,
VaultikVersion: testLabel,
StartedAt: startedAt,
CompletedAt: &completedAt,
internal/vaultik/purge_per_name_test.go
+12 -65
View File
@@ -17,10 +17,8 @@ import (
"sneak.berlin/go/vaultik/internal/vaultik"
)
// Snapshot IDs reused across the purge tests, and the hostname they were
// taken on.
// Snapshot IDs reused across the purge tests.
const (
snapHostname = "testhost"
snapSystemT0 = "testhost_system_2026-01-01T00:00:00Z"
snapHomeT0 = "testhost_home_2026-01-01T00:00:00Z"
snapHomeT1 = "testhost_home_2026-01-01T01:00:00Z"
@@ -28,12 +26,9 @@ const (
)
// setupPurgeTest creates a Vaultik instance with an in-memory database and mock
// storage pre-populated with the given snapshot IDs, all taken on hostname.
// Each snapshot is marked as completed. Remote metadata stubs are created so
// syncWithRemote keeps them.
func setupPurgeTest(
t *testing.T, hostname string, snapshotIDs []string,
) *vaultik.Vaultik {
// storage pre-populated with the given snapshot IDs. Each snapshot is marked as
// completed. Remote metadata stubs are created so syncWithRemote keeps them.
func setupPurgeTest(t *testing.T, snapshotIDs []string) *vaultik.Vaultik {
t.Helper()
ctx := context.Background()
@@ -56,7 +51,7 @@ func setupPurgeTest(
completedAt := startedAt.Add(5 * time.Minute)
snap := &database.Snapshot{
ID: types.SnapshotID(id),
Hostname: types.Hostname(hostname),
Hostname: "testhost",
VaultikVersion: testLabel,
StartedAt: startedAt,
CompletedAt: &completedAt,
@@ -125,7 +120,7 @@ func TestPurgeKeepLatest_PerName(t *testing.T) {
"testhost_system_2026-01-01T04:00:00Z",
}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
v := setupPurgeTest(t, snapshotIDs)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
@@ -153,7 +148,7 @@ func TestPurgeKeepLatest_SingleName(t *testing.T) {
"testhost_home_2026-01-01T02:00:00Z",
}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
v := setupPurgeTest(t, snapshotIDs)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
@@ -181,7 +176,7 @@ func TestPurgeKeepLatest_WithNameFilter(t *testing.T) {
"testhost_home_2026-01-01T04:00:00Z",
}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
v := setupPurgeTest(t, snapshotIDs)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
@@ -203,7 +198,7 @@ func TestPurgeKeepLatest_NoSnapshots(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
v := setupPurgeTest(t, snapHostname, nil)
v := setupPurgeTest(t, nil)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
@@ -221,7 +216,7 @@ func TestPurgeKeepLatest_NameFilterNoMatch(t *testing.T) {
"testhost_system_2026-01-01T01:00:00Z",
}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
v := setupPurgeTest(t, snapshotIDs)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
@@ -248,7 +243,7 @@ func TestPurgeOlderThan_WithNameFilter(t *testing.T) {
snapHomeT0,
}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
v := setupPurgeTest(t, snapshotIDs)
// Purge only "home" snapshots older than 365 days
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
@@ -267,29 +262,6 @@ func TestPurgeOlderThan_WithNameFilter(t *testing.T) {
assert.Contains(t, remaining, snapHomeT0)
}
func TestPurgeOlderThan_TooLargeDeletesNothing(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
snapshotIDs := []string{snapHomeT0, snapHomeT1}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
OlderThan: "1000y",
Force: true,
})
require.Error(t, err)
err = v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
OlderThan: "292y",
Force: true,
})
require.NoError(t, err)
assert.ElementsMatch(t, snapshotIDs, listRemainingSnapshots(t, v))
}
func TestPurgeKeepLatest_ThreeNames(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
@@ -305,7 +277,7 @@ func TestPurgeKeepLatest_ThreeNames(t *testing.T) {
"testhost_home_2026-01-01T06:00:00Z",
}
v := setupPurgeTest(t, snapHostname, snapshotIDs)
v := setupPurgeTest(t, snapshotIDs)
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
@@ -319,28 +291,3 @@ func TestPurgeKeepLatest_ThreeNames(t *testing.T) {
assert.Contains(t, remaining, "testhost_system_2026-01-01T04:00:00Z")
assert.Contains(t, remaining, "testhost_media_2026-01-01T05:00:00Z")
}
// A hostname may contain underscores, so the snapshot name cannot be found
// by splitting the ID at them. A purge by name must still select "docs".
func TestPurgeKeepLatest_HostnameWithUnderscore(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
const (
system = "my_host_system_2026-01-01T00:00:00Z"
docsT1 = "my_host_docs_2026-01-01T01:00:00Z"
docsT2 = "my_host_docs_2026-01-01T02:00:00Z"
)
v := setupPurgeTest(t, "my_host", []string{system, docsT1, docsT2})
err := v.PurgeSnapshotsWithOptions(&vaultik.SnapshotPurgeOptions{
KeepLatest: true,
Force: true,
Names: []string{"docs"},
})
require.NoError(t, err)
assert.ElementsMatch(t, []string{system, docsT2},
listRemainingSnapshots(t, v))
}
internal/vaultik/remote_info_test.go
-261
View File
@@ -1,261 +0,0 @@
package vaultik_test
import (
"bytes"
"context"
"encoding/json"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/snapshot"
)
// testBlobHashB is a blob that the manifest written by addRemote does
// not reference.
const testBlobHashB = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" +
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
// TestRemoteInfo_UnreadableManifestLeavesOrphansUnknown checks that a
// manifest remote info cannot read makes the orphan figures unknown. A
// blob referenced only by that snapshot would otherwise be counted as
// orphaned, and the report would advise running prune.
func TestRemoteInfo_UnreadableManifestLeavesOrphansUnknown(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
env := newListEnv(t)
// The readable manifest references blob A only.
env.addRemote(t, listRemoteID, time.Date(2026, 3, 2, 0, 0, 0, 0, time.UTC))
addBlob(t, env.store.testStorer, testBlobHashA)
addBlob(t, env.store.testStorer, testBlobHashB)
// With every manifest readable, blob B is orphaned.
require.NoError(t, env.v.RemoteInfo(true))
var doc map[string]any
require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &doc))
assert.InDelta(t, 1, doc["orphaned_blob_count"], 0)
// A second snapshot whose manifest cannot be decoded. Blob B may be
// one of its blobs.
unreadableKey := snapshot.RemoteSnapshotKey(listLocalID)
require.NoError(t, env.store.Put(context.Background(),
"metadata/"+unreadableKey+"/manifest.json.zst",
bytes.NewReader([]byte("not a valid manifest"))))
env.stdout.Reset()
require.NoError(t, env.v.RemoteInfo(false))
text := env.stdout.String()
assert.Contains(t, text, "Orphaned (unreferenced): unknown "+
"(1 manifest(s) could not be read, "+
"0 manifest(s) under a non-conforming name skipped)")
assert.NotContains(t, text, "vaultik prune")
env.stdout.Reset()
require.NoError(t, env.v.RemoteInfo(true))
doc = nil
require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &doc))
assert.Contains(t, doc, "orphaned_blob_count")
assert.Nil(t, doc["orphaned_blob_count"])
assert.Contains(t, doc, "orphaned_blob_size")
assert.Nil(t, doc["orphaned_blob_size"])
assert.Equal(t, []any{unreadableKey}, doc["unreadable_manifests"])
}
// TestRemoteInfo_UnreadableManifestLeavesSnapshotBlobsUnknown checks
// that the row of a snapshot whose manifest cannot be read gives its
// blob count and blob size as unknown in the table and as null in
// --json, not as 0. A directory without a manifest still shows 0: the
// orphan figures count its blobs as orphaned, so it references none.
func TestRemoteInfo_UnreadableManifestLeavesSnapshotBlobsUnknown(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
env := newListEnv(t)
readableKey := env.addRemote(t, listRemoteID,
time.Date(2026, 3, 2, 0, 0, 0, 0, time.UTC))
unreadableKey := snapshot.RemoteSnapshotKey(listLocalID)
require.NoError(t, env.store.Put(context.Background(),
"metadata/"+unreadableKey+"/manifest.json.zst",
bytes.NewReader([]byte("not a valid manifest"))))
noManifestKey := snapshot.RemoteSnapshotKey("testhost_home_2026-03-03T10:00:00Z")
require.NoError(t, env.store.Put(context.Background(),
"metadata/"+noManifestKey+"/db.zst.age",
bytes.NewReader([]byte("not a valid database"))))
require.NoError(t, env.v.RemoteInfo(false))
// The table truncates the remote key, so a row is found by a prefix.
wantUnknown := map[string]int{readableKey: 0, unreadableKey: 2, noManifestKey: 0}
for key, want := range wantUnknown {
var row string
for line := range strings.SplitSeq(env.stdout.String(), "\n") {
if strings.HasPrefix(line, key[:16]) {
row = line
}
}
require.NotEmpty(t, row, "no table row for %s", key)
assert.Equal(t, want, strings.Count(row, "unknown"), "row: %q", row)
}
env.stdout.Reset()
require.NoError(t, env.v.RemoteInfo(true))
var doc struct {
Snapshots []map[string]any `json:"snapshots"`
}
require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &doc))
require.Len(t, doc.Snapshots, len(wantUnknown))
for _, entry := range doc.Snapshots {
switch entry["snapshot_id"] {
case readableKey:
assert.InDelta(t, 1, entry["blob_count"], 0)
assert.InDelta(t, fiveMegabytes, entry["blobs_size"], 0)
case noManifestKey:
assert.InDelta(t, 0, entry["blob_count"], 0)
assert.InDelta(t, 0, entry["blobs_size"], 0)
default:
assert.Equal(t, unreadableKey, entry["snapshot_id"])
assert.Contains(t, entry, "blob_count")
assert.Nil(t, entry["blob_count"])
assert.Contains(t, entry, "blobs_size")
assert.Nil(t, entry["blobs_size"])
}
}
}
// TestRemoteInfo_SkipsNonConformingMetadataName checks that a directory
// under metadata/ whose name is not a remote key is left out of the
// report, and that the orphan figures are unknown when it holds a
// manifest. The name comes from the destination store; printed raw, its
// control characters would reach the terminal. Its manifest is not
// read, so a blob only it references would otherwise be counted as
// orphaned.
func TestRemoteInfo_SkipsNonConformingMetadataName(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
env := newListEnv(t)
env.addRemote(t, listRemoteID, time.Date(2026, 3, 2, 0, 0, 0, 0, time.UTC))
addBlob(t, env.store.testStorer, testBlobHashA)
addBlob(t, env.store.testStorer, testBlobHashB)
require.NoError(t, env.store.Put(context.Background(),
"metadata/\x1b[31mred/manifest.json.zst",
bytes.NewReader([]byte("not a valid manifest"))))
require.NoError(t, env.v.RemoteInfo(false))
text := env.stdout.String()
assert.NotContains(t, text, "\x1b")
assert.NotContains(t, text, "31mred")
assert.Contains(t, text, "Total (1 snapshots)")
assert.Contains(t, text, "Orphaned (unreferenced): unknown "+
"(0 manifest(s) could not be read, "+
"1 manifest(s) under a non-conforming name skipped)")
assert.NotContains(t, text, "vaultik prune")
env.stdout.Reset()
require.NoError(t, env.v.RemoteInfo(true))
out := env.stdout.String()
assert.NotContains(t, out, "31mred")
var doc map[string]any
require.NoError(t, json.Unmarshal([]byte(out), &doc))
assert.Contains(t, doc, "orphaned_blob_count")
assert.Nil(t, doc["orphaned_blob_count"])
assert.Contains(t, doc, "orphaned_blob_size")
assert.Nil(t, doc["orphaned_blob_size"])
assert.InDelta(t, 1, doc["skipped_manifest_count"], 0)
assert.NotContains(t, doc, "unreadable_manifests")
}
// TestRemoteInfo_DoesNotCountNonBlobFileUnderBlobs checks that a file
// under blobs/ whose name is not a blob hash is not counted as a blob.
// prune never deletes such a file, so counting it as an orphaned blob
// would advise a prune that removes nothing.
func TestRemoteInfo_DoesNotCountNonBlobFileUnderBlobs(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
env := newListEnv(t)
env.addRemote(t, listRemoteID, time.Date(2026, 3, 2, 0, 0, 0, 0, time.UTC))
addBlob(t, env.store.testStorer, testBlobHashA)
require.NoError(t, env.store.Put(context.Background(),
"blobs/"+testBlobHashA[:2]+"/"+testBlobHashA[2:4]+"/.DS_Store",
bytes.NewReader([]byte("junk"))))
require.NoError(t, env.v.RemoteInfo(false))
text := env.stdout.String()
assert.Contains(t, text, "Total blobs on remote: 1 (")
assert.Contains(t, text, "Orphaned (unreferenced): 0 (")
assert.NotContains(t, text, "vaultik prune")
env.stdout.Reset()
require.NoError(t, env.v.RemoteInfo(true))
var doc map[string]any
require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &doc))
assert.InDelta(t, 1, doc["total_blob_count"], 0)
assert.InDelta(t, 0, doc["orphaned_blob_count"], 0)
assert.InDelta(t, 0, doc["orphaned_blob_size"], 0)
}
// TestRemoteInfo_DirectoryWithoutManifestLeavesOrphansKnown checks that
// a directory under metadata/ holding no manifest.json.zst, such as one
// left by a backup interrupted before its manifest upload, leaves the
// orphan figures known. prune does not treat such a directory as a
// snapshot and deletes the blobs the report lists as orphaned.
func TestRemoteInfo_DirectoryWithoutManifestLeavesOrphansKnown(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
env := newListEnv(t)
env.addRemote(t, listRemoteID, time.Date(2026, 3, 2, 0, 0, 0, 0, time.UTC))
addBlob(t, env.store.testStorer, testBlobHashA)
addBlob(t, env.store.testStorer, testBlobHashB)
// One directory under a remote key and one under a non-conforming
// name, each holding only a database.
names := []string{snapshot.RemoteSnapshotKey(listLocalID), "\x1b[31mred"}
for _, name := range names {
require.NoError(t, env.store.Put(context.Background(),
"metadata/"+name+"/db.zst.age",
bytes.NewReader([]byte("not a valid database"))))
}
require.NoError(t, env.v.RemoteInfo(false))
text := env.stdout.String()
assert.NotContains(t, text, "\x1b")
assert.Contains(t, text, "Downloading 1 manifest(s)...")
assert.Contains(t, text, "Orphaned (unreferenced): 1 (")
assert.Contains(t, text, "Run 'vaultik prune' to remove orphaned blobs.")
env.stdout.Reset()
require.NoError(t, env.v.RemoteInfo(true))
var doc map[string]any
require.NoError(t, json.Unmarshal(env.stdout.Bytes(), &doc))
assert.InDelta(t, 1, doc["orphaned_blob_count"], 0)
assert.NotContains(t, doc, "unreadable_manifests")
assert.NotContains(t, doc, "skipped_manifest_count")
}
internal/vaultik/remove_snapshot_test.go
-121
View File
@@ -3,21 +3,17 @@ package vaultik_test
import (
"bytes"
"context"
"database/sql"
"io"
"strings"
"sync"
"testing"
"time"
"github.com/klauspost/compress/zstd"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/snapshot"
"sneak.berlin/go/vaultik/internal/storage"
"sneak.berlin/go/vaultik/internal/types"
"sneak.berlin/go/vaultik/internal/vaultik"
)
@@ -129,12 +125,6 @@ func (s *testStorer) ListStream(
return ch
}
// DeletePartialUploads has nothing to remove: Put stores each object
// under its key at once.
func (s *testStorer) DeletePartialUploads(_ context.Context, _ string) error {
return nil
}
func (s *testStorer) Info() storage.Info {
return storage.Info{
Type: testLabel,
@@ -218,37 +208,6 @@ func addBlob(t *testing.T, store *testStorer, hash string) {
require.NoError(t, err)
}
// newLocalIndex returns an in-memory local index holding a completed
// snapshot row for each of ids.
func newLocalIndex(t *testing.T, ids ...string) *database.Repositories {
t.Helper()
ctx := context.Background()
db, err := database.New(ctx, ":memory:")
require.NoError(t, err)
t.Cleanup(func() { _ = db.Close() })
repos := database.NewRepositories(db)
for _, id := range ids {
completedAt := time.Now().UTC()
snap := &database.Snapshot{
ID: types.SnapshotID(id),
Hostname: snapHostname,
StartedAt: completedAt,
CompletedAt: &completedAt,
}
err = repos.WithTx(ctx, func(ctx context.Context, tx *sql.Tx) error {
return repos.Snapshots.Create(ctx, tx, snap)
})
require.NoError(t, err)
}
return repos
}
// ============================================================================
// Unit Tests for RemoveSnapshot
// ============================================================================
@@ -268,7 +227,6 @@ func TestRemoveSnapshot_LocalOnly_PreservesRemote(t *testing.T) {
addBlob(t, store, blobA)
tv := vaultik.NewForTesting(store)
tv.Repositories = newLocalIndex(t, "snapshot-001")
opts := &vaultik.RemoveOptions{Force: true, LocalOnly: true}
result, err := tv.RemoveSnapshot("snapshot-001", opts)
@@ -304,7 +262,6 @@ func TestRemoveSnapshot_DefaultRemovesMetadataNotBlobs(t *testing.T) {
addBlob(t, store, blobShared)
tv := vaultik.NewForTesting(store)
tv.Repositories = newLocalIndex(t, "snapshot-001", "snapshot-002")
opts := &vaultik.RemoveOptions{Force: true}
result, err := tv.RemoveSnapshot("snapshot-001", opts)
@@ -353,84 +310,6 @@ func TestRemoveSnapshot_DryRun(t *testing.T) {
assert.Contains(t, tv.Stdout.String(), "[Dry run - no changes made]")
}
// TestRemoveSnapshot_UnknownIDIsError checks that an ID naming no
// snapshot in the local index or on the destination store is an error
// under every option, and that nothing is reported as removed.
func TestRemoveSnapshot_UnknownIDIsError(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
for name, opts := range map[string]vaultik.RemoveOptions{
"force": {Force: true},
"json": {JSON: true},
"dry-run": {Force: true, DryRun: true},
"local-only": {Force: true, LocalOnly: true},
} {
t.Run(name, func(t *testing.T) {
t.Parallel()
store := newTestStorer()
addManifest(t, store, "snapshot-001", nil)
tv := vaultik.NewForTesting(store)
tv.Repositories = newLocalIndex(t, "snapshot-001")
result, err := tv.RemoveSnapshot("snapshot-999", &opts)
require.ErrorContains(t, err, "snapshot not found")
assert.False(t, result.RemoteRemoved)
assert.Empty(t, tv.Stdout.String())
assert.True(t, store.hasKey(remoteKeyPath("snapshot-001")))
})
}
}
// TestRemoveSnapshot_NoMetadataOnDestination checks that removing a
// snapshot whose metadata is not on the destination store does not
// report metadata removed from it.
func TestRemoveSnapshot_NoMetadataOnDestination(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
tv := vaultik.NewForTesting(newTestStorer())
tv.Repositories = newLocalIndex(t, "snapshot-001")
result, err := tv.RemoveSnapshot("snapshot-001",
&vaultik.RemoveOptions{Force: true})
require.NoError(t, err)
assert.False(t, result.RemoteRemoved)
out := tv.Stdout.String()
assert.Contains(t, out, "Removed snapshot 'snapshot-001' from local database")
assert.NotContains(t, out, "Removed snapshot metadata from remote storage")
}
// TestRemoveSnapshot_NotInLocalIndex checks that removing a snapshot
// only the destination store holds removes its metadata there without
// reporting a removal from the local database.
func TestRemoveSnapshot_NotInLocalIndex(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
store := newTestStorer()
addManifest(t, store, "snapshot-001", nil)
tv := vaultik.NewForTesting(store)
tv.Repositories = newLocalIndex(t)
result, err := tv.RemoveSnapshot("snapshot-001",
&vaultik.RemoveOptions{Force: true})
require.NoError(t, err)
assert.True(t, result.RemoteRemoved)
assert.False(t, store.hasKey(remoteKeyPath("snapshot-001")))
out := tv.Stdout.String()
assert.NotContains(t, out, "from local database")
assert.Contains(t, out, "Removed snapshot metadata from remote storage")
}
func TestRemoveAllSnapshots_RequiresForce(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
internal/vaultik/restore.go
+39 -155
View File
@@ -10,13 +10,11 @@ import (
"math"
"os"
"path/filepath"
"slices"
"strings"
"time"
"filippo.io/age"
"github.com/spf13/afero"
"golang.org/x/sys/unix"
"sneak.berlin/go/vaultik/internal/blobgen"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
@@ -42,7 +40,6 @@ var (
errChunkNotInAnyBlob = errors.New("chunk not found in any blob")
errBlobIDNotInHashIndex = errors.New("blob id missing from hash index")
errShortChunkRead = errors.New("short read")
errChunkRowMissing = errors.New("chunk has no row in the chunks table")
errRestorePathEscapesTarget = errors.New(
"refusing to restore path outside the target directory")
errTrailingRestoreData = errors.New(
@@ -66,12 +63,6 @@ const snapshotDBFilename = "snapshot.db"
// directories themselves get their stored mode).
const restoreDirMode = 0o755
// restoreDirCreateMode is the owner-only mode a directory from the
// snapshot is created with during restore, so its contents can be written
// whatever its stored mode. The stored mode is applied after the restore
// loop, by applyDirectoryMetadata.
const restoreDirCreateMode = 0o700
// restoreFileMode is the restrictive mode a regular file is created with
// during restore. Content is written while the file holds this mode; the
// stored mode is applied only after the file is fully written and closed,
@@ -309,22 +300,11 @@ func (v *Vaultik) restoreAllFiles(
return nil, err
}
plan, unplanned, err := newRestorePlan(
v.ctx, repos, files, chunkToBlobMap, blobIDToHash)
plan, err := newRestorePlan(v.ctx, repos, files, chunkToBlobMap, blobIDToHash)
if err != nil {
return nil, fmt.Errorf("building restore plan: %w", err)
}
// Ranging over files rather than the map reports them in a stable order.
for _, file := range files {
if planErr, ok := unplanned[file.ID]; ok {
err = v.handleRestoreFileError(plan, opts, result, file, file.ID, planErr)
if err != nil {
return nil, err
}
}
}
filesByID, totalBytesExpected := indexRestoreFiles(files)
v.UI.Beginf("Restoring %s files (%s) to %s.",
@@ -352,8 +332,6 @@ func (v *Vaultik) restoreAllFiles(
return nil, err
}
session.applyDirectoryMetadata()
return result, nil
}
@@ -377,7 +355,7 @@ func (v *Vaultik) runRestoreLoop(
fileID, ready := plan.popReady()
if !ready {
downloaded, err := session.downloadNextBlobSet(plan, filesByID)
downloaded, err := session.downloadNextBlobSet(plan)
if err != nil {
return err
}
@@ -433,13 +411,7 @@ func (v *Vaultik) runRestoreLoop(
// blob set and downloads its blobs; after each blob lands, the plan
// moves any pending file whose set just emptied onto the ready queue.
// Returns false when nothing is pending download (the caller stops).
//
// A blob that cannot be downloaded is reported through
// handleRestoreFileError for every pending file that references it, so
// it aborts the restore unless --skip-errors is set.
func (s *restoreSession) downloadNextBlobSet(
plan *restorePlan, filesByID map[types.FileID]*database.File,
) (bool, error) {
func (s *restoreSession) downloadNextBlobSet(plan *restorePlan) (bool, error) {
s.sweeper.sweep()
next, ok := plan.pickNextDownload()
@@ -461,25 +433,7 @@ func (s *restoreSession) downloadNextBlobSet(
err := s.downloadBlobToCache(hash, blob.CompressedSize, blob.UncompressedSize)
if err != nil {
err = fmt.Errorf("downloading blob %s: %w", shortHash(hash), err)
// On cancel the error says nothing about the blob, so it ends
// the restore instead of failing the files that need it.
if s.ctx.Err() != nil {
return false, err
}
for _, fileID := range plan.filesReferencingBlob(hash) {
fileErr := s.v.handleRestoreFileError(
plan, s.opts, s.result, filesByID[fileID], fileID, err)
if fileErr != nil {
return false, fileErr
}
}
// next is among the failed files, so the rest of its blob set
// is left for any other file that still needs it.
return true, nil
return false, fmt.Errorf("downloading blob %s: %w", shortHash(hash), err)
}
s.result.BlobsDownloaded++
@@ -841,9 +795,10 @@ func (v *Vaultik) getFilesToRestore(
// Normalize the filter path
filter = filepath.Clean(filter)
files, err := repos.Files.ListUnderPath(ctx, filter)
// Get files with this prefix
files, err := repos.Files.ListByPrefix(ctx, filter)
if err != nil {
return nil, fmt.Errorf("listing files under %s: %w", filter, err)
return nil, fmt.Errorf("listing files with prefix %s: %w", filter, err)
}
for _, file := range files {
@@ -922,9 +877,6 @@ type restoreSession struct {
// the call entirely as non-root and emit one warning at the end
// of the restore explaining that ownership was not preserved.
runningAsRoot bool
// directories holds every restored directory, for
// applyDirectoryMetadata to finish after the restore loop.
directories []*database.File
}
// containedRestorePath resolves rel — a path read from the snapshot
@@ -1031,8 +983,6 @@ func (s *restoreSession) restoreSymlink(file *database.File, targetPath string)
if err != nil {
return fmt.Errorf("creating symlink: %w", err)
}
s.applySymlinkMetadata(file, targetPath)
} else {
log.Debug("Symlink creation not supported on this filesystem",
"path", file.Path, "target", file.LinkTarget)
@@ -1045,90 +995,35 @@ func (s *restoreSession) restoreSymlink(file *database.File, targetPath string)
return nil
}
// restoreDirectory creates a directory with restoreDirCreateMode. Its
// stored mode, owner and mtime are applied after the restore loop by
// applyDirectoryMetadata: a read-only stored mode would block writing
// its contents, and writing them changes its mtime.
// restoreDirectory restores a directory with its permissions, mtime,
// and (on real filesystems, with sufficient privileges) ownership.
func (s *restoreSession) restoreDirectory(
file *database.File, targetPath string,
) error {
err := s.v.Fs.MkdirAll(targetPath, restoreDirCreateMode)
err := s.v.Fs.MkdirAll(targetPath, os.FileMode(file.Mode))
if err != nil {
return fmt.Errorf("creating directory: %w", err)
}
s.directories = append(s.directories, file)
// MkdirAll applies the process umask, so chmod to the exact stored
// mode. A failure here is non-fatal.
err = s.v.Fs.Chmod(targetPath, os.FileMode(file.Mode))
if err != nil {
log.Debug("Failed to set permissions", "path", targetPath, "error", err)
}
s.applyFileMetadata(file, targetPath)
s.result.FilesRestored++
return nil
}
// applyDirectoryMetadata applies the stored owner, mtime and mode to every
// restored directory, each before its parent, so a parent whose stored
// mode denies search does not block its children. Failures are logged at
// debug level and do not abort the restore.
func (s *restoreSession) applyDirectoryMetadata() {
// A path sorts after its parent's, so reverse order puts every
// directory before its parent.
slices.SortFunc(s.directories, func(a, b *database.File) int {
return strings.Compare(b.Path.String(), a.Path.String())
})
for _, dir := range s.directories {
targetPath, err := containedRestorePath(
s.v.Fs, s.opts.TargetDir, dir.Path.String())
if err != nil {
log.Debug("Failed to set directory metadata",
"path", dir.Path, "error", err)
continue
}
// A later entry can have put a symlink in the directory's place,
// for example one stored as "/d/" next to the directory "/d". The
// calls below follow symlinks, so they would change its target.
info, err := lstatIfPossible(s.v.Fs, targetPath)
if err != nil || !info.IsDir() {
log.Debug("Not setting directory metadata: no longer a directory",
"path", targetPath, "error", err)
continue
}
s.applyFileMetadata(dir, targetPath)
err = s.v.Fs.Chmod(targetPath, os.FileMode(dir.Mode))
if err != nil {
log.Debug("Failed to set permissions", "path", targetPath, "error", err)
}
}
}
// applySymlinkMetadata applies ownership (when running as root) and mtime
// to a restored symlink itself; os.Chown and Chtimes would follow it.
// Failures are logged at debug level and do not abort the restore.
func (s *restoreSession) applySymlinkMetadata(file *database.File, targetPath string) {
if s.runningAsRoot {
err := os.Lchown(targetPath, int(file.UID), int(file.GID))
if err != nil {
log.Debug("Failed to set ownership", "path", targetPath, "error", err)
}
}
mtime := unix.NsecToTimeval(file.MTime.UnixNano())
err := unix.Lutimes(targetPath, []unix.Timeval{mtime, mtime})
if err != nil {
log.Debug("Failed to set mtime", "path", targetPath, "error", err)
}
}
// applyFileMetadata applies ownership (when running as root on a real
// filesystem) and mtime to a restored path. The caller applies the mode
// afterwards: on Linux a chown clears the setuid and setgid bits of a
// regular file. Failures are logged at debug level and do not abort the
// restore.
// filesystem) and mtime to a restored path. Permission mode is applied
// separately by each caller, with different failure handling, so it is
// not touched here. Failures are logged at debug level and do not abort
// the restore.
func (s *restoreSession) applyFileMetadata(file *database.File, targetPath string) {
if s.runningAsRoot {
if _, ok := s.v.Fs.(*afero.OsFs); ok {
@@ -1219,8 +1114,8 @@ func (s *restoreSession) restoreRegularFile(
return fmt.Errorf("closing output file: %w", err)
}
s.applyFileMetadata(file, targetPath)
s.applyRestoredFileMode(file, targetPath)
s.applyFileMetadata(file, targetPath)
s.result.FilesRestored++
s.result.BytesRestored += bytesWritten
@@ -1278,7 +1173,7 @@ func (s *restoreSession) writeFileChunks(
blobChunk, ok := s.chunkToBlobMap[chunkHashStr]
if !ok {
return bytesWritten, timings, fmt.Errorf(
"%w: %s", errChunkNotInAnyBlob, shortHash(chunkHashStr))
"%w: %s", errChunkNotInAnyBlob, chunkHashStr[:16])
}
blobHash, ok := s.blobIDToHash[blobChunk.BlobID.String()]
@@ -1295,7 +1190,7 @@ func (s *restoreSession) writeFileChunks(
if err != nil {
return bytesWritten, timings, fmt.Errorf(
"reading chunk %s from cached blob %s: %w",
shortHash(chunkHashStr), shortHash(blobHash), err)
fc.ChunkHash[:16], blobHash[:16], err)
}
t0 = time.Now()
@@ -1493,44 +1388,33 @@ func (v *Vaultik) verifyFile(
chunk, err := repos.Chunks.GetByHash(ctx, fc.ChunkHash.String())
if err != nil {
return bytesVerified, fmt.Errorf("getting chunk %s: %w",
shortHash(fc.ChunkHash.String()), err)
fc.ChunkHash.String()[:16], err)
}
if chunk == nil {
return bytesVerified, fmt.Errorf("%w: %s",
errChunkRowMissing, shortHash(fc.ChunkHash.String()))
}
// chunk.Size comes from the snapshot database, which is not
// trusted: reject a negative size, and hash the chunk by
// streaming it rather than allocating that many bytes.
if chunk.Size < 0 {
return bytesVerified, fmt.Errorf("%w: chunk %d size %d",
errNegativeChunkLength, fc.Idx, chunk.Size)
}
hasher := sha256.New()
n, err := io.CopyN(hasher, f, chunk.Size)
if errors.Is(err, io.EOF) {
return bytesVerified, fmt.Errorf("%w: expected %d bytes, got %d",
errShortChunkRead, chunk.Size, n)
}
// Read chunk data from file
chunkData := make([]byte, chunk.Size)
n, err := io.ReadFull(f, chunkData)
if err != nil {
return bytesVerified, fmt.Errorf("reading chunk data: %w", err)
}
actualHash := hex.EncodeToString(hasher.Sum(nil))
if int64(n) != chunk.Size {
return bytesVerified, fmt.Errorf("%w: expected %d bytes, got %d",
errShortChunkRead, chunk.Size, n)
}
// Calculate hash and compare
hash := sha256.Sum256(chunkData)
actualHash := hex.EncodeToString(hash[:])
expectedHash := fc.ChunkHash.String()
if actualHash != expectedHash {
return bytesVerified, fmt.Errorf("%w: chunk %d: expected %s, got %s",
errChunkHashMismatch, fc.Idx,
shortHash(expectedHash), shortHash(actualHash))
errChunkHashMismatch, fc.Idx, expectedHash[:16], actualHash[:16])
}
bytesVerified += n
bytesVerified += int64(n)
}
// The stored chunks account for the whole file, so the reader must
internal/vaultik/restore_another_machine_test.go
+12 -45
View File
@@ -10,7 +10,6 @@ import (
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/cli"
"sneak.berlin/go/vaultik/internal/config"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
@@ -28,12 +27,10 @@ import (
//
// The backup half writes a snapshot with one index and hostname. The
// restore half throws that index away entirely: a fresh, empty index and
// a config written by `config init` and `config set storage_url`, as in
// the README's steps for restoring on another machine, which shares
// nothing with the original but the storage location and the secret key.
// If restore or verify needed the original local index — or
// the human snapshot ID that only that index holds — this test could not
// run, because the recovery host can know neither.
// a config that shares nothing with the original but the storage location
// and the secret key. If restore or verify needed the original local
// index — or the human snapshot ID that only that index holds — this test
// could not run, because the recovery host can know neither.
func TestRestoreOnAnotherMachine(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
@@ -61,12 +58,7 @@ func TestRestoreOnAnotherMachine(t *testing.T) {
// Recovery host: a fresh empty index, a different hostname, and no
// age_recipients — only the secret key and the same storage location.
configPath := filepath.Join(tempDir, "config.yml")
runVaultikCommand(t, "--config", configPath, "config", "init")
runVaultikCommand(t, "--config", configPath,
"config", "set", "storage_url", "file://"+storeDir)
recovery, stdout := newRecoveryHost(ctx, t, fs, storer, configPath)
recovery, stdout := newRecoveryHost(ctx, t, fs, storer)
// The recovery index really is empty. This is the assertion that makes
// the test a guard against restore quietly depending on the original
@@ -101,10 +93,6 @@ func TestRestoreOnAnotherMachine(t *testing.T) {
remote.RemoteKey, &vaultik.VerifyOptions{Deep: true}))
assertRestoredTreeMatches(t, fs, restoreDir, sourceFiles)
// With no public key configured, a backup must refuse to start.
err = recovery.CreateSnapshot(&vaultik.SnapshotCreateOptions{Cron: true})
require.ErrorContains(t, err, "age_recipients")
}
// writeRecoverySourceTree writes a small source tree spanning several
@@ -130,24 +118,14 @@ func writeRecoverySourceTree(
}
// newRecoveryHost builds the Vaultik a replacement machine would run: an
// empty in-memory index, a hostname different from the backup host, and
// only the secret key plus the shared storer. Its config is read from
// configPath by config.Load, as every command reads it. It returns the
// instance and the buffer its stdout is wired to.
// empty in-memory index, a hostname different from the backup host, no
// age_recipients, and only the secret key plus the shared storer. It
// returns the instance and the buffer its stdout is wired to.
func newRecoveryHost(
ctx context.Context, t *testing.T, fs afero.Fs, storer storage.Storer,
configPath string,
) (*vaultik.Vaultik, *bytes.Buffer) {
t.Helper()
cfg, err := config.Load(configPath)
require.NoError(t, err)
// Set directly rather than through VAULTIK_AGE_SECRET_KEY, which a
// parallel test cannot change.
cfg.AgeSecretKey = testAgeSecretKey
cfg.Hostname = "recovery-host"
recoveryDB, err := database.New(ctx, ":memory:")
require.NoError(t, err)
t.Cleanup(func() { _ = recoveryDB.Close() })
@@ -155,7 +133,10 @@ func newRecoveryHost(
stdout := &bytes.Buffer{}
recovery := &vaultik.Vaultik{
Config: cfg,
Config: &config.Config{
AgeSecretKey: testAgeSecretKey,
Hostname: "recovery-host",
},
Storage: storer,
Fs: fs,
Repositories: database.NewRepositories(recoveryDB),
@@ -169,20 +150,6 @@ func newRecoveryHost(
return recovery, stdout
}
// runVaultikCommand runs one vaultik command line in-process and fails the
// test if it returns an error. The command writes the cli package's global
// flag variables, so it must not be called from two tests that run at the
// same time.
func runVaultikCommand(t *testing.T, args ...string) {
t.Helper()
cmd := cli.NewRootCommand()
cmd.SetArgs(args)
cmd.SetOut(io.Discard)
cmd.SetErr(io.Discard)
require.NoError(t, cmd.Execute())
}
// assertRestoredTreeMatches byte-compares every restored file against its
// source content.
func assertRestoredTreeMatches(
internal/vaultik/restore_interrupt_test.go
+2 -167
View File
@@ -1,7 +1,6 @@
package vaultik //nolint:testpackage // sets ctx/cancel and inspects scratch files
import (
"bytes"
"context"
"io"
"path/filepath"
@@ -12,7 +11,6 @@ import (
"time"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/storage"
@@ -142,14 +140,14 @@ func TestRestoreCleansTempDirOnInterrupt(t *testing.T) {
}
// scratchEntries returns the vaultik blob-cache and snapshot-database
// scratch entries (restore's and deep verify's) currently present in dir.
// scratch entries currently present in dir.
func scratchEntries(t *testing.T, dir string) []string {
t.Helper()
var matches []string
for _, pattern := range []string{
"vaultik-blobcache-*", "vaultik-restore-*", "vaultik-verify-*",
"vaultik-blobcache-*", "vaultik-restore-*",
} {
found, err := filepath.Glob(filepath.Join(dir, pattern))
require.NoError(t, err)
@@ -159,166 +157,3 @@ func scratchEntries(t *testing.T, dir string) []string {
return matches
}
// TestRestoreSkipErrorsCancelDuringBlobDownload cancels a SkipErrors
// restore while a blob download is in progress. The download fails only
// because of the cancel, so Restore must return context.Canceled without
// reporting the file that needs the blob as failed.
func TestRestoreSkipErrorsCancelDuringBlobDownload(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
fs := afero.NewOsFs()
tempDir := t.TempDir()
cfg, storer, snapshotID, srcPath := backupOneFile(context.Background(),
t, fs, tempDir, "a.txt", []byte("hello vaultik"), 0o644)
gate := newBlockingBlobStorer(storer)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var out bytes.Buffer
v := newRestoreVaultik(ctx, cfg, gate, fs)
v.UI = ui.NewWithColor(&out, false)
restoreErr := make(chan error, 1)
go func() {
restoreErr <- v.Restore(&RestoreOptions{
SnapshotID: snapshotID,
TargetDir: filepath.Join(tempDir, "restored"),
SkipErrors: true,
})
}()
select {
case <-gate.entered:
case <-time.After(30 * time.Second):
t.Fatal("restore never reached the blob-download phase")
}
cancel()
require.ErrorIs(t, <-restoreErr, context.Canceled)
assert.NotContains(t, out.String(), srcPath,
"the cancel was reported as a failed file")
}
// stallingBlobStorer wraps a Storer so that every blob download hands
// over the first half of the blob and then stalls, ignoring the context,
// as a file:// blob on a hung USB stick or network share does. Only
// closing the returned reader ends the stall.
type stallingBlobStorer struct {
storage.Storer
once sync.Once
stalled chan struct{}
}
func newStallingBlobStorer(inner storage.Storer) *stallingBlobStorer {
return &stallingBlobStorer{Storer: inner, stalled: make(chan struct{})}
}
func (s *stallingBlobStorer) Get(
ctx context.Context, key string,
) (io.ReadCloser, error) {
rc, err := s.Storer.Get(ctx, key)
if err != nil || !strings.HasPrefix(key, "blobs/") {
return rc, err
}
blob, err := io.ReadAll(rc)
_ = rc.Close()
if err != nil {
return nil, err
}
// The writer is never closed, so once the first half has been read
// the next Read blocks until the reader is closed.
pr, pw := io.Pipe()
go func() {
_, _ = pw.Write(blob[:len(blob)/2])
s.once.Do(func() { close(s.stalled) })
}()
return pr, nil
}
// TestInterruptDuringStalledBlobReadCleansTempDir stops a restore and a
// deep verify while a blob read is stalled on a source that ignores the
// context. Stopping must end that read, so the operation unwinds and
// removes its decrypted scratch files well within the shutdown timeout
// (issue #325).
//
// Not parallel: it points TMPDIR at a private directory (via t.Setenv)
// so it can assert on exactly the scratch files the operation created.
func TestInterruptDuringStalledBlobReadCleansTempDir(t *testing.T) {
log.Initialize(log.Config{})
operations := map[string]func(v *Vaultik, snapshotID, targetDir string) error{
"restore": func(v *Vaultik, snapshotID, targetDir string) error {
return v.Restore(&RestoreOptions{
SnapshotID: snapshotID,
TargetDir: targetDir,
})
},
"deep verify": func(v *Vaultik, snapshotID, _ string) error {
return v.RunDeepVerify(snapshotID, &VerifyOptions{Deep: true})
},
}
for name, op := range operations {
t.Run(name, func(t *testing.T) {
fs := afero.NewOsFs()
root := t.TempDir()
// Random content, so the blob stays large enough to stall
// part-way through its compressed, encrypted body.
cfg, storer, snapshotID, _ := backupOneFile(context.Background(),
t, fs, root, "a.bin", randomBytes(t, 256*1024), 0o644)
scratch := filepath.Join(root, "scratch")
require.NoError(t, fs.MkdirAll(scratch, 0o755))
t.Setenv("TMPDIR", scratch)
stalling := newStallingBlobStorer(storer)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
v := newRestoreVaultik(ctx, cfg, stalling, fs)
v.cancel = cancel
var opErr error
stop := v.StartOperation(func() {
opErr = op(v, snapshotID, filepath.Join(root, "restored"))
})
select {
case <-stalling.stalled:
case <-time.After(30 * time.Second):
t.Fatal("the operation never reached a blob read")
}
require.NotEmpty(t, scratchEntries(t, scratch),
"expected decrypted scratch files to exist mid-read")
stopCtx, stopCancel := context.WithTimeout(
context.Background(), 10*time.Second)
defer stopCancel()
require.True(t, stop(stopCtx),
"stop timed out; the stalled blob read was not interrupted")
require.ErrorIs(t, opErr, context.Canceled)
require.Empty(t, scratchEntries(t, scratch),
"decrypted scratch files remained after the interrupt")
})
}
}
internal/vaultik/restore_malformed_db_test.go
-223
View File
@@ -1,223 +0,0 @@
package vaultik //nolint:testpackage // drives unexported restore and verify steps
import (
"context"
"math"
"path/filepath"
"strings"
"testing"
"time"
"github.com/spf13/afero"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/types"
)
// These tests feed restore and --verify a snapshot database written by
// hand, as a damaged or hostile store could serve one. Each malformed row
// must end in an error, not a panic.
// shortChunkHash is shorter than the hash prefix that error messages print.
const shortChunkHash = "abc"
// restoredFileContent is the content of the restored file under verify.
const restoredFileContent = "xyz"
// craftedSnapshotDB opens an empty snapshot database in a temp directory.
func craftedSnapshotDB(t *testing.T) (*database.DB, *database.Repositories) {
t.Helper()
db, err := database.New(context.Background(),
filepath.Join(t.TempDir(), "snapshot.db"))
require.NoError(t, err)
t.Cleanup(func() { _ = db.Close() })
return db, database.NewRepositories(db)
}
// craftedFile adds a regular file whose only chunk has the given hash.
// Adding the chunks row, if any, is left to the caller.
func craftedFile(
t *testing.T, repos *database.Repositories, chunkHash string,
) *database.File {
t.Helper()
ctx := context.Background()
file := &database.File{
Path: "/src/f",
MTime: time.Now().UTC(),
Size: int64(len(restoredFileContent)),
Mode: 0o644,
}
require.NoError(t, repos.Files.Create(ctx, nil, file))
require.NoError(t, repos.FileChunks.Create(ctx, nil, &database.FileChunk{
FileID: file.ID,
ChunkHash: types.ChunkHash(chunkHash),
}))
return file
}
// TestRestoreShortChunkHashInNoBlob proves a file whose short chunk hash
// has no blob_chunks row is left out of the restore plan with an error,
// and fails the chunk write with an error.
func TestRestoreShortChunkHashInNoBlob(t *testing.T) {
t.Parallel()
ctx := context.Background()
_, repos := craftedSnapshotDB(t)
require.NoError(t, repos.Chunks.Create(ctx, nil,
&database.Chunk{ChunkHash: shortChunkHash, Size: 3}))
file := craftedFile(t, repos, shortChunkHash)
v := NewForTesting(nil)
chunkToBlobMap, err := v.buildChunkToBlobMap(ctx, repos)
require.NoError(t, err)
plan, unplanned, err := newRestorePlan(ctx, repos, []*database.File{file},
chunkToBlobMap, map[string]string{})
require.NoError(t, err)
require.ErrorIs(t, unplanned[file.ID], errPlanChunkMissing)
require.False(t, plan.hasPending())
fileChunks, err := repos.FileChunks.GetByFileID(ctx, file.ID)
require.NoError(t, err)
out, err := afero.NewMemMapFs().Create("out")
require.NoError(t, err)
session := &restoreSession{
v: v.Vaultik, ctx: ctx, chunkToBlobMap: chunkToBlobMap,
}
_, _, err = session.writeFileChunks(out, fileChunks)
require.ErrorIs(t, err, errChunkNotInAnyBlob)
}
// TestRestoreShortChunkHashReadPastBlobEnd proves a short chunk hash
// whose blob_chunks row reads past the end of its blob fails the chunk
// write with an error.
func TestRestoreShortChunkHashReadPastBlobEnd(t *testing.T) {
t.Parallel()
ctx := context.Background()
_, repos := craftedSnapshotDB(t)
blobHash := strings.Repeat("b", blobHashHexLen)
blob := &database.Blob{
ID: types.NewBlobID(),
Hash: types.BlobHash(blobHash),
CreatedTS: time.Now().UTC(),
}
require.NoError(t, repos.Blobs.Create(ctx, nil, blob))
require.NoError(t, repos.Chunks.Create(ctx, nil,
&database.Chunk{ChunkHash: shortChunkHash, Size: 3}))
require.NoError(t, repos.BlobChunks.Create(ctx, nil, &database.BlobChunk{
BlobID: blob.ID,
ChunkHash: shortChunkHash,
Length: 100,
}))
file := craftedFile(t, repos, shortChunkHash)
cache, err := newBlobDiskCache(1 << 20)
require.NoError(t, err)
t.Cleanup(func() { _ = cache.Close() })
require.NoError(t, cache.Put(blobHash, []byte("abc")))
v := NewForTesting(nil)
chunkToBlobMap, err := v.buildChunkToBlobMap(ctx, repos)
require.NoError(t, err)
_, blobIDToHash, err := v.buildBlobIndexes(repos)
require.NoError(t, err)
fileChunks, err := repos.FileChunks.GetByFileID(ctx, file.ID)
require.NoError(t, err)
out, err := afero.NewMemMapFs().Create("out")
require.NoError(t, err)
session := &restoreSession{
v: v.Vaultik,
ctx: ctx,
chunkToBlobMap: chunkToBlobMap,
blobIDToHash: blobIDToHash,
blobCache: cache,
}
_, _, err = session.writeFileChunks(out, fileChunks)
require.ErrorIs(t, err, errCacheReadBeyondBlob)
}
// TestVerifyFileMalformedChunkRow proves --verify returns an error for a
// chunk with no chunks row, a short chunk hash, and a chunk size from the
// database that is negative or larger than the restored file.
func TestVerifyFileMalformedChunkRow(t *testing.T) {
t.Parallel()
fullHash := types.ChunkHash(strings.Repeat("c", blobHashHexLen))
tests := []struct {
name string
hash types.ChunkHash
chunk *database.Chunk // nil adds no chunks row
want error
}{
{
name: "missing chunk row",
hash: fullHash,
want: errChunkRowMissing,
},
{
name: "short hash",
hash: shortChunkHash,
chunk: &database.Chunk{ChunkHash: shortChunkHash, Size: 3},
want: errChunkHashMismatch,
},
{
name: "size larger than the file",
hash: fullHash,
chunk: &database.Chunk{ChunkHash: fullHash, Size: math.MaxInt64},
want: errShortChunkRead,
},
{
name: "negative size",
hash: fullHash,
chunk: &database.Chunk{ChunkHash: fullHash, Size: -1},
want: errNegativeChunkLength,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
ctx := context.Background()
db, repos := craftedSnapshotDB(t)
if tt.chunk == nil {
// A crafted database need not satisfy its foreign keys.
_, err := db.Conn().ExecContext(ctx, "PRAGMA foreign_keys = OFF")
require.NoError(t, err)
} else {
require.NoError(t, repos.Chunks.Create(ctx, nil, tt.chunk))
}
file := craftedFile(t, repos, tt.hash.String())
v := NewForTesting(nil)
v.Fs = afero.NewMemMapFs()
require.NoError(t, afero.WriteFile(v.Fs, "/restore/f",
[]byte(restoredFileContent), 0o600))
_, err := v.verifyFile(ctx, repos, file, "/restore/f")
require.ErrorIs(t, err, tt.want)
})
}
}
internal/vaultik/restore_metadata_test.go
-349
View File
@@ -1,349 +0,0 @@
package vaultik //nolint:testpackage // drives unexported restore internals
import (
"context"
"os"
"path/filepath"
"syscall"
"testing"
"time"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/types"
)
// These tests check that restore applies each entry's owner, mode and
// mtime in an order that keeps them.
const (
readOnlyDirMode = uint32(os.ModeDir | 0o555)
unsearchableMode = uint32(os.ModeDir | 0o600)
plainDirMode = uint32(os.ModeDir | 0o755)
plainFileMode = uint32(0o644)
setuidFileMode = uint32(os.ModeSetuid | 0o755)
otherOwnerID = uint32(4321)
writableTestMode = 0o755
symlinkTargetPath = "/nonexistent/target"
memTargetDir = "/restore"
// Owner bits a normal user needs on a directory to create an entry
// in it, and to change an entry in it.
ownerWriteAndSearch = os.FileMode(0o300)
ownerSearch = os.FileMode(0o100)
)
// normalUserFs refuses what the kernel refuses a normal user. make test
// runs as root, which a read-only or unsearchable directory does not
// stop, so without it the tests below could not fail there. Creating an
// entry needs owner write and search on the directory holding it;
// changing an entry's mode or times needs owner search. Only that one
// directory is checked, not every ancestor.
type normalUserFs struct {
afero.Fs
}
//nolint:ireturn // afero.Fs.OpenFile is defined to return the interface
func (fs normalUserFs) OpenFile(
name string, flag int, perm os.FileMode,
) (afero.File, error) {
if flag&os.O_CREATE != 0 {
err := fs.checkParent(name, ownerWriteAndSearch)
if err != nil {
return nil, err
}
}
return fs.Fs.OpenFile(name, flag, perm)
}
func (fs normalUserFs) MkdirAll(path string, perm os.FileMode) error {
_, err := fs.Stat(path)
if err != nil {
err = fs.checkParent(path, ownerWriteAndSearch)
if err != nil {
return err
}
}
return fs.Fs.MkdirAll(path, perm)
}
func (fs normalUserFs) Chmod(name string, mode os.FileMode) error {
err := fs.checkParent(name, ownerSearch)
if err != nil {
return err
}
return fs.Fs.Chmod(name, mode)
}
func (fs normalUserFs) Chtimes(name string, atime, mtime time.Time) error {
err := fs.checkParent(name, ownerSearch)
if err != nil {
return err
}
return fs.Fs.Chtimes(name, atime, mtime)
}
// checkParent returns a permission error when the directory holding name
// exists and its owner bits lack any of need.
func (fs normalUserFs) checkParent(name string, need os.FileMode) error {
info, err := fs.Stat(filepath.Dir(name))
if err == nil && info.Mode().Perm()&need != need {
return &os.PathError{Op: "access", Path: name, Err: os.ErrPermission}
}
return nil
}
// TestRestoreFillsReadOnlyDirectory checks that a read-only directory
// still receives the entries inside it, and ends with its stored mode.
func TestRestoreFillsReadOnlyDirectory(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
rows, repos := makeFiles(ctx, t, []*database.File{
{Path: "/ro", Mode: readOnlyDirMode},
{Path: "/ro/file", Mode: plainFileMode},
{Path: "/ro/sub", Mode: readOnlyDirMode},
{Path: "/ro/sub/file", Mode: plainFileMode},
})
fs := afero.NewMemMapFs()
v := newContainmentVaultik(ctx, normalUserFs{Fs: fs})
_, err := v.restoreAllFiles(rows, repos,
&RestoreOptions{TargetDir: memTargetDir}, nil, nil)
require.NoError(t, err)
for _, path := range []string{"/ro/file", "/ro/sub/file"} {
_, err := fs.Stat(filepath.Join(memTargetDir, path))
require.NoErrorf(t, err, "file inside a read-only directory: %s", path)
}
for _, dir := range []string{"/ro", "/ro/sub"} {
info, err := fs.Stat(filepath.Join(memTargetDir, dir))
require.NoError(t, err)
assert.Equalf(t, os.FileMode(0o555), info.Mode().Perm(), "mode of %s", dir)
}
}
// TestRestoreKeepsNonEmptyDirectoryMTime checks that a directory keeps
// its stored mtime although entries were written into it. It runs on the
// real filesystem, where writing an entry changes its directory's mtime.
func TestRestoreKeepsNonEmptyDirectoryMTime(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
targetDir := t.TempDir()
mtime := time.Date(2001, time.February, 3, 4, 5, 6, 0, time.UTC)
rows, repos := makeFiles(ctx, t, []*database.File{
{Path: "/dir", Mode: plainDirMode, MTime: mtime},
{Path: "/dir/file", Mode: plainFileMode, MTime: mtime},
})
v := newContainmentVaultik(ctx, afero.NewOsFs())
_, err := v.restoreAllFiles(rows, repos,
&RestoreOptions{TargetDir: targetDir}, nil, nil)
require.NoError(t, err)
info, err := os.Stat(filepath.Join(targetDir, "dir"))
require.NoError(t, err)
assert.Truef(t, info.ModTime().Equal(mtime),
"directory mtime is %s, stored %s", info.ModTime(), mtime)
}
// TestRestoreFinishesChildBeforeUnsearchableParent checks that a
// directory inside one whose stored mode denies search still gets its
// own stored mode and mtime.
func TestRestoreFinishesChildBeforeUnsearchableParent(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
mtime := time.Date(2001, time.February, 3, 4, 5, 6, 0, time.UTC)
rows, repos := makeFiles(ctx, t, []*database.File{
{Path: "/locked", Mode: unsearchableMode, MTime: mtime},
{Path: "/locked/sub", Mode: plainDirMode, MTime: mtime},
})
fs := afero.NewMemMapFs()
v := newContainmentVaultik(ctx, normalUserFs{Fs: fs})
_, err := v.restoreAllFiles(rows, repos,
&RestoreOptions{TargetDir: memTargetDir}, nil, nil)
require.NoError(t, err)
info, err := fs.Stat(filepath.Join(memTargetDir, "locked"))
require.NoError(t, err)
assert.Equal(t, os.FileMode(0o600), info.Mode().Perm())
info, err = fs.Stat(filepath.Join(memTargetDir, "locked", "sub"))
require.NoError(t, err)
assert.Equal(t, os.FileMode(0o755), info.Mode().Perm())
assert.Truef(t, info.ModTime().Equal(mtime),
"mtime of sub is %s, stored %s", info.ModTime(), mtime)
}
// TestRestoreLeavesSymlinkedDirectoryTargetAlone checks that a directory
// whose place a later entry takes with a symlink does not hand its stored
// owner, mode and mtime to whatever the symlink points at. "/d" and "/d/"
// are different stored paths for the same place on disk.
func TestRestoreLeavesSymlinkedDirectoryTargetAlone(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
tempDir := t.TempDir()
targetDir := filepath.Join(tempDir, "target")
outsideDir := filepath.Join(tempDir, "outside")
require.NoError(t, os.Mkdir(outsideDir, writableTestMode))
before, err := os.Stat(outsideDir)
require.NoError(t, err)
mtime := time.Date(2001, time.February, 3, 4, 5, 6, 0, time.UTC)
rows, repos := makeFiles(ctx, t, []*database.File{
{
Path: "/d",
Mode: readOnlyDirMode,
UID: otherOwnerID,
GID: otherOwnerID,
MTime: mtime,
},
{Path: "/d/", LinkTarget: types.FilePath(outsideDir), MTime: mtime},
})
v := newContainmentVaultik(ctx, afero.NewOsFs())
_, err = v.restoreAllFiles(rows, repos,
&RestoreOptions{TargetDir: targetDir}, nil, nil)
require.NoError(t, err)
after, err := os.Stat(outsideDir)
require.NoError(t, err)
assert.Equal(t, before.Mode(), after.Mode())
assert.Truef(t, after.ModTime().Equal(before.ModTime()),
"mtime changed from %s to %s", before.ModTime(), after.ModTime())
beforeOwner, ok := before.Sys().(*syscall.Stat_t)
require.True(t, ok)
afterOwner, ok := after.Sys().(*syscall.Stat_t)
require.True(t, ok)
assert.Equal(t, beforeOwner.Uid, afterOwner.Uid)
assert.Equal(t, beforeOwner.Gid, afterOwner.Gid)
}
// TestRestoreKeepsSetuidThroughChown checks that a setuid file keeps the
// bit when restore changes its owner. Linux clears setuid on any chown of
// a regular file, even one to its current owner, so the file is recorded
// with the current user as owner and the session is told it runs as
// root: the chown then needs no privilege.
func TestRestoreKeepsSetuidThroughChown(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
targetDir := t.TempDir()
info, err := os.Stat(targetDir)
require.NoError(t, err)
owner, ok := info.Sys().(*syscall.Stat_t)
require.True(t, ok)
rows, repos := makeFiles(ctx, t, []*database.File{{
Path: "/suid",
Mode: setuidFileMode,
UID: owner.Uid,
GID: owner.Gid,
MTime: time.Date(2001, time.February, 3, 4, 5, 6, 0, time.UTC),
}})
session := &restoreSession{
v: newContainmentVaultik(ctx, afero.NewOsFs()),
ctx: ctx,
repos: repos,
opts: &RestoreOptions{TargetDir: targetDir},
result: &RestoreResult{},
runningAsRoot: true,
}
require.NoError(t, session.restoreFile(rows[0]))
info, err = os.Stat(filepath.Join(targetDir, "suid"))
require.NoError(t, err)
assert.Equal(t, os.FileMode(setuidFileMode),
info.Mode()&(os.ModeSetuid|os.ModePerm))
}
// TestRestoreSetsSymlinkMTime checks that a restored symlink gets its
// stored mtime on the link itself. The link dangles, so a call that
// follows it would fail.
func TestRestoreSetsSymlinkMTime(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
targetDir := t.TempDir()
mtime := time.Date(2001, time.February, 3, 4, 5, 6, 0, time.UTC)
rows, repos := makeFiles(ctx, t, []*database.File{{
Path: "/link",
LinkTarget: types.FilePath(symlinkTargetPath),
MTime: mtime,
}})
v := newContainmentVaultik(ctx, afero.NewOsFs())
_, err := v.restoreAllFiles(rows, repos,
&RestoreOptions{TargetDir: targetDir}, nil, nil)
require.NoError(t, err)
info, err := os.Lstat(filepath.Join(targetDir, "link"))
require.NoError(t, err)
assert.Truef(t, info.ModTime().Equal(mtime),
"symlink mtime is %s, stored %s", info.ModTime(), mtime)
}
// TestRestoreSetsSymlinkOwnerAsRoot checks that a symlink restored as
// root gets its stored owner on the link itself.
func TestRestoreSetsSymlinkOwnerAsRoot(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
if os.Geteuid() != 0 {
t.Skip("giving a file to another user needs root")
}
ctx := context.Background()
targetDir := t.TempDir()
rows, repos := makeFiles(ctx, t, []*database.File{{
Path: "/link",
LinkTarget: types.FilePath(symlinkTargetPath),
UID: otherOwnerID,
GID: otherOwnerID,
MTime: time.Date(2001, time.February, 3, 4, 5, 6, 0, time.UTC),
}})
v := newContainmentVaultik(ctx, afero.NewOsFs())
_, err := v.restoreAllFiles(rows, repos,
&RestoreOptions{TargetDir: targetDir}, nil, nil)
require.NoError(t, err)
info, err := os.Lstat(filepath.Join(targetDir, "link"))
require.NoError(t, err)
owner, ok := info.Sys().(*syscall.Stat_t)
require.True(t, ok)
assert.Equal(t, otherOwnerID, owner.Uid)
assert.Equal(t, otherOwnerID, owner.Gid)
}
internal/vaultik/restore_plan.go
+8 -31
View File
@@ -41,25 +41,20 @@ type restorePlan struct {
// newRestorePlan builds the file→blob index for the given files. Files
// whose chunks reference no blobs (symlinks, directories) start in the
// ready queue immediately. A file with a chunk that no blob holds cannot
// be restored: it is left out of the plan and returned, by ID, with the
// reason.
// ready queue immediately.
func newRestorePlan(
ctx context.Context,
repos *database.Repositories,
files []*database.File,
chunkToBlobMap map[string]*database.BlobChunk,
blobIDToHash map[string]string,
) (*restorePlan, map[types.FileID]error, error) {
) (*restorePlan, error) {
p := &restorePlan{
fileBlobs: make(map[types.FileID]map[string]struct{}, len(files)),
blobFiles: make(map[string]map[types.FileID]struct{}),
ready: make([]types.FileID, 0, len(files)),
cached: make(map[string]struct{}),
}
unplanned := make(map[types.FileID]error)
nextFile:
for _, f := range files {
if f.IsSymlink() || f.Mode&uint32(os.ModeDir) != 0 {
// No chunks to fetch — restore can run immediately.
@@ -71,7 +66,7 @@ nextFile:
fileChunks, err := repos.FileChunks.GetByFileID(ctx, f.ID)
if err != nil {
return nil, nil, fmt.Errorf("planning %s: %w", f.Path, err)
return nil, fmt.Errorf("planning %s: %w", f.Path, err)
}
blobs := make(map[string]struct{})
@@ -79,18 +74,14 @@ nextFile:
for _, fc := range fileChunks {
bc, ok := chunkToBlobMap[fc.ChunkHash.String()]
if !ok {
unplanned[f.ID] = fmt.Errorf("%w: %s",
errPlanChunkMissing, shortHash(fc.ChunkHash.String()))
continue nextFile
return nil, fmt.Errorf("planning %s: %w: %s",
f.Path, errPlanChunkMissing, fc.ChunkHash.String()[:16])
}
hash, ok := blobIDToHash[bc.BlobID.String()]
if !ok {
unplanned[f.ID] = fmt.Errorf("%w: %s",
errPlanBlobIDMissing, bc.BlobID)
continue nextFile
return nil, fmt.Errorf("planning %s: %w: %s",
f.Path, errPlanBlobIDMissing, bc.BlobID)
}
blobs[hash] = struct{}{}
@@ -112,7 +103,7 @@ nextFile:
}
}
return p, unplanned, nil
return p, nil
}
// markBlobCached records that the named blob is now resident in the
@@ -223,20 +214,6 @@ func (p *restorePlan) blobsNeeded(fileID types.FileID) []string {
return out
}
// filesReferencingBlob returns the pending files that reference the
// named blob, in any order. The result is a copy, so the caller may
// finishFile each of them while ranging over it.
func (p *restorePlan) filesReferencingBlob(blobHash string) []types.FileID {
files := p.blobFiles[blobHash]
out := make([]types.FileID, 0, len(files))
for id := range files {
out = append(out, id)
}
return out
}
// hasPending reports whether any unfinished files remain.
func (p *restorePlan) hasPending() bool {
return len(p.fileBlobs) > 0
internal/vaultik/restore_skip_errors_test.go
-282
View File
@@ -1,282 +0,0 @@
package vaultik_test
import (
"bytes"
"context"
"fmt"
"path/filepath"
"testing"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/vaultik/internal/config"
"sneak.berlin/go/vaultik/internal/database"
"sneak.berlin/go/vaultik/internal/log"
"sneak.berlin/go/vaultik/internal/storage"
"sneak.berlin/go/vaultik/internal/ui"
"sneak.berlin/go/vaultik/internal/vaultik"
)
// A file no larger than the chunker's minimum chunk size (a quarter of
// faultChunkSize) is stored as one chunk, so it lives in exactly one blob.
// More of them than fit in faultMaxBlobSize make the snapshot span two
// blobs.
const (
missingBlobFileBytes = int(faultChunkSize / 4)
missingBlobFileCount = 20
)
// missingBlobBackup is a snapshot of single-chunk files spread over two
// blobs, with one of those blobs lost: deleted from the store, or missing
// from the snapshot metadata.
type missingBlobBackup struct {
fs afero.Fs
cfg *config.Config
storer storage.Storer
snapshotID string
restoreDir string
// files holds the original content by source path.
files map[string][]byte
// lost holds the source paths whose chunk is in the lost blob.
lost map[string]bool
}
// TestRestoreSkipErrorsSkipsFilesOfMissingBlob restores with SkipErrors
// after one blob of a two-blob snapshot was deleted from the store.
func TestRestoreSkipErrorsSkipsFilesOfMissingBlob(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
assertRestoreSkipsLostFiles(ctx, t, backupThenDeleteOneBlob(ctx, t))
}
// TestRestoreSkipErrorsSkipsFilesWithChunkInNoBlob restores with
// SkipErrors a snapshot whose metadata lists chunks that no blob holds, as
// earlier backup defects left behind.
func TestRestoreSkipErrorsSkipsFilesWithChunkInNoBlob(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
assertRestoreSkipsLostFiles(ctx, t, backupThenDropOneBlobFromMetadata(ctx, t))
}
// assertRestoreSkipsLostFiles restores backup with SkipErrors. Every file
// stored in the lost blob must be reported as failed and left absent,
// every other file must be restored intact, and Restore must still return
// an error.
func assertRestoreSkipsLostFiles(
ctx context.Context, t *testing.T, backup *missingBlobBackup,
) {
t.Helper()
var out bytes.Buffer
v := newReaderVaultik(ctx, backup.cfg, backup.storer, nil, backup.fs)
v.UI = ui.NewWithColor(&out, false)
err := v.Restore(&vaultik.RestoreOptions{
SnapshotID: backup.snapshotID,
TargetDir: backup.restoreDir,
SkipErrors: true,
})
require.Error(t, err, "restore must fail when files were skipped")
assert.Contains(t, err.Error(),
fmt.Sprintf("%d file(s) failed to restore", len(backup.lost)))
for path, content := range backup.files {
restored := filepath.Join(backup.restoreDir, path)
if backup.lost[path] {
assert.Containsf(t, out.String(), path,
"%s needs the lost blob and must be reported", path)
assert.NoFileExists(t, restored)
continue
}
got, err := afero.ReadFile(backup.fs, restored)
require.NoErrorf(t, err, "%s does not need the lost blob", path)
assert.Equalf(t, content, got, "%s restored with wrong content", path)
}
}
// TestRestoreMissingBlobAbortsWithoutSkipErrors checks that a deleted blob
// still ends the restore with an error when SkipErrors is not set.
func TestRestoreMissingBlobAbortsWithoutSkipErrors(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
backup := backupThenDeleteOneBlob(ctx, t)
v := newReaderVaultik(ctx, backup.cfg, backup.storer, nil, backup.fs)
err := v.Restore(&vaultik.RestoreOptions{
SnapshotID: backup.snapshotID,
TargetDir: backup.restoreDir,
})
require.ErrorIs(t, err, storage.ErrNotFound)
}
// TestRestoreChunkInNoBlobAbortsWithoutSkipErrors checks that a chunk held
// by no blob still ends the restore, before any file is written, when
// SkipErrors is not set.
func TestRestoreChunkInNoBlobAbortsWithoutSkipErrors(t *testing.T) {
log.Initialize(log.Config{})
t.Parallel()
ctx := context.Background()
backup := backupThenDropOneBlobFromMetadata(ctx, t)
v := newReaderVaultik(ctx, backup.cfg, backup.storer, nil, backup.fs)
err := v.Restore(&vaultik.RestoreOptions{
SnapshotID: backup.snapshotID,
TargetDir: backup.restoreDir,
})
require.ErrorContains(t, err, "chunk missing from blob map")
for path := range backup.files {
assert.NoFileExists(t, filepath.Join(backup.restoreDir, path))
}
}
// backupThenDeleteOneBlob backs up missingBlobFileCount single-chunk
// files, then deletes from the store the blob holding the first of them.
func backupThenDeleteOneBlob(
ctx context.Context, t *testing.T,
) *missingBlobBackup {
t.Helper()
backup, db, lostBlob := backupSingleChunkFiles(ctx, t)
require.NoError(t, db.Close())
require.NoError(t, backup.storer.Delete(ctx, fmt.Sprintf(
"blobs/%s/%s/%s", lostBlob[:2], lostBlob[2:4], lostBlob)))
return backup
}
// backupThenDropOneBlobFromMetadata backs up missingBlobFileCount
// single-chunk files, then removes the blob holding the first of them from
// the snapshot and exports the snapshot metadata again. The exported
// metadata then lists chunks that no blob holds.
func backupThenDropOneBlobFromMetadata(
ctx context.Context, t *testing.T,
) *missingBlobBackup {
t.Helper()
backup, db, lostBlob := backupSingleChunkFiles(ctx, t)
// The uploads row refers to the blob row, so it would keep the export
// from deleting it.
for _, query := range []string{
"DELETE FROM snapshot_blobs WHERE blob_hash = ?",
"DELETE FROM uploads WHERE blob_hash = ?",
} {
_, err := db.Conn().ExecContext(ctx, query, lostBlob)
require.NoError(t, err)
}
sm := newFaultSnapshotManager(
backup.fs, backup.storer, backup.cfg, database.NewRepositories(db))
require.NoError(t,
sm.ExportSnapshotMetadata(ctx, db.Path(), backup.snapshotID))
require.NoError(t, db.Close())
return backup
}
// backupSingleChunkFiles backs up missingBlobFileCount single-chunk files.
// It returns the backup, with lost naming the files stored in the same
// blob as the first of them, the still open local index, and the hash of
// that blob.
func backupSingleChunkFiles(
ctx context.Context, t *testing.T,
) (*missingBlobBackup, *database.DB, string) {
t.Helper()
fs := afero.NewOsFs()
tempDir := t.TempDir()
dataDir := filepath.Join(tempDir, "src")
dbPath := filepath.Join(tempDir, "index.sqlite")
cfg := faultTestConfig()
require.NoError(t, fs.MkdirAll(dataDir, 0o755))
files := make(map[string][]byte, missingBlobFileCount)
for i := range missingBlobFileCount {
path := filepath.Join(dataDir, fmt.Sprintf("file-%02d.bin", i))
files[path] = bytesPattern(
fmt.Sprintf("file-%02d-", i), missingBlobFileBytes)
require.NoError(t, afero.WriteFile(fs, path, files[path], 0o644))
}
storer, err := storage.NewFileStorer(filepath.Join(tempDir, "remote"))
require.NoError(t, err)
db, err := database.New(ctx, dbPath)
require.NoError(t, err)
repos := database.NewRepositories(db)
id := fullFaultBackup(
ctx, t, fs, storer, cfg, repos, dataDir, dbPath, "missingblob")
blobOfFile := make(map[string]string, len(files))
for path := range files {
blobOfFile[path] = blobHashOfSingleChunkFile(ctx, t, repos, path)
}
lostBlob := blobOfFile[filepath.Join(dataDir, "file-00.bin")]
lost := make(map[string]bool)
for path, hash := range blobOfFile {
if hash == lostBlob {
lost[path] = true
}
}
require.Less(t, len(lost), len(files),
"the snapshot must span more than one blob")
return &missingBlobBackup{
fs: fs,
cfg: cfg,
storer: storer,
snapshotID: id,
restoreDir: filepath.Join(tempDir, "restored"),
files: files,
lost: lost,
}, db, lostBlob
}
// blobHashOfSingleChunkFile returns the hash of the blob holding the one
// chunk of the file at path, as recorded in the local index.
func blobHashOfSingleChunkFile(
ctx context.Context, t *testing.T,
repos *database.Repositories, path string,
) string {
t.Helper()
chunks, err := repos.FileChunks.GetByPath(ctx, path)
require.NoError(t, err)
require.Lenf(t, chunks, 1, "%s must be a single chunk", path)
blobChunk, err := repos.BlobChunks.GetByChunkHash(
ctx, chunks[0].ChunkHash.String())
require.NoError(t, err)
require.NotNilf(t, blobChunk, "chunk of %s is in no blob", path)
blob, err := repos.Blobs.GetByID(ctx, blobChunk.BlobID.String())
require.NoError(t, err)
return blob.Hash.String()
}

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