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REPO_POLICIES.md requires Getting Started, Rationale, Design and TODO sections in the README, and it had none of them. Getting Started clones the repository, builds the image and runs it watching example.com and www.example.com; DNSWATCHER_TARGETS is the only setting it requires. Rationale is drawn from what the README already says. The Architecture section moves below Entrypoints and is renamed Design, its text unchanged, so the required sections come in policy order. TODO points to TODO.md and the 1.0 milestone instead of copying the list. Model: opus-5-5
129 lines
7.6 KiB
Markdown
129 lines
7.6 KiB
Markdown
# Workflow
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- branch (from `next`)
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- do the work in Next Step
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- move Next Step to the top of Completed Steps
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- move the top item of Future Steps into Next Step
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- commit (`TODO.md` changes in the same commit as the work)
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- push
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- open a PR against `next`
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# Status
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pre-1.0. No git tags. Work lands on `next` by PR. Open work for 1.0 is tracked
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on the 1.0 milestone: https://git.eeqj.de/sneak/dnswatcher/milestone/7
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# Next Step
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trial run of the finished image: https://git.eeqj.de/sneak/dnswatcher/issues/149
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# Completed Steps
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- 2026-10-01: README has Getting Started, Rationale and TODO sections, and its
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Architecture section is now Design, in the order policy sets (closes #173).
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- 2026-10-01: a zone's server that answers SERVFAIL or a referral leading no
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closer is passed over for the next, as one that times out is (closes #197).
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- 2026-10-01: when none of a configured name's nameservers answered, the port
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state saved for its addresses is kept, not removed (closes #193).
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- 2026-10-01: `ResolveIPAddresses` returns an error, not no addresses, when no
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nameserver of the name's zone answered (closes #190).
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- 2026-10-01: `make fmt` and `make fmt-check` cover Markdown with prettier, run
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in Docker at the version pinned by `yarn.lock` (closes #119).
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- 2026-10-01: `make fmt-check` fails on a file `goimports` would change; both
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format scripts run `goimports` at its pinned commit, not from `PATH` (#119).
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- 2026-10-01: a hostname is queried at the servers of the zone it is in, found
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by following delegations for the name, not its last two labels (closes #189).
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- 2026-10-01: each nameserver's addresses are saved with its domain, and a
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change while it stays in the delegation is notified (closes #105).
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- 2026-10-01: the watcher saves state when it stops, and shutdown waits for that
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save, so it no longer relies on the state's own stop hook (closes #114).
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- 2026-10-01: `DNSWATCHER_SENTRY_DSN` reports panics in HTTP handlers to Sentry,
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and a DSN Sentry cannot parse stops startup (closes #107).
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- 2026-10-01: a port or TLS check that shutdown cuts short saves nothing and
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sends no notification, as a cut-short DNS lookup already did (closes #185).
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- 2026-10-01: the client address from `X-Forwarded-For` is the last entry that
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is not a trusted proxy, not the first, which the client sets (closes #181).
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- 2026-10-01: a nameserver that does not answer is saved as `error` with the
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reason, and NS failure and NS recovery are notified (closes #104).
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- 2026-10-01: a `DNSWATCHER_DNS_INTERVAL` or `DNSWATCHER_TLS_INTERVAL` that is
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not a positive duration stops startup; empty means the default (closes #177).
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- 2026-10-01: `/metrics` allows each client address 30 requests a minute,
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counted before Basic Auth, and answers 429 beyond that (closes #101).
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- 2026-10-01: the image built by `make docker` reports the `git describe`
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version, not `dev`, and the startup log now shows it (closes #109).
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- 2026-10-01: two notify shutdown tests always release the delivery they hold,
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so a drain that returns early fails them instead of hanging (closes #176).
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- 2026-10-01: `script/install-precommit` asks git for the repository's git
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directory, so `make hooks` also works where `.git` is a file (closes #129).
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- 2026-10-01: `TODO.md` brought up to date: open issues listed by URL, every
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Completed Steps entry cut to at most two lines (closes #146).
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- 2026-10-01: wildcard CORS now applies only to the public routes, not to
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`/metrics`, and allows only the methods they serve (closes #100).
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- 2026-10-01: `internal/state` and `internal/watcher` no longer export test-only
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constructors: two moved to `export_test.go`, one is deleted (closes #111).
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- 2026-10-01: notify shutdown tests use one timing constant per meaning, name
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the bound they check, and require the drain's debug line (closes #116).
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- 2026-09-29: the entrypoint chowns the data directory to `dnswatcher` and runs
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dnswatcher as that user, so a host bind mount needs no chown (closes #166).
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- 2026-09-29: the live-DNS test package is renamed `internal/livednstest`;
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`make lint` fails when program code imports it (closes #164).
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- 2026-09-29: `.golangci.yml` re-fetched from `sneak/prompts`, with
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`gomodguard_v2` and the org `depguard` `test-support` rule (closes #123).
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- 2026-09-29: watcher and resolver tests that look something up in DNS use the
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real resolver against live DNS servers (closes #159).
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- 2026-09-28: the inconsistency alert is sent once, when two nameservers start
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to disagree; every pair of nameservers is compared (closes #158).
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- 2026-09-28: DNS names in record values (CNAME, MX, SRV and NS targets) are
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lower-cased, so letter case alone is not a change (closes #157).
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- 2026-09-28: lint and tests run on every build: `script/cibuild` and
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`script/docker` pass `--no-cache-filter=lint,builder` (closes #115).
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- 2026-09-28: the server timeout test drives `Run` and checks the timeouts on
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the `http.Server` it serves (closes #120).
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- 2026-09-28: upaas deploy readiness: the image runs as user `dnswatcher` with a
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`HEALTHCHECK`; README "Running under upaas" (closes #147).
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- 2026-09-21: added behavioural tests for `internal/globals`,
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`internal/healthcheck`, and `internal/logger` (closes #110).
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- 2026-09-21: `go mod tidy` dropped the redundant `golang.org/x/sync`
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`// indirect` line so `script/bootstrap` leaves a clean tree (#132)
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- 2026-08-10: comment-only corrections to `script/bootstrap`, `script/cibuild`
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and `Dockerfile.lint`; no behaviour changed.
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- 2026-08-10: MIT `LICENSE` added at the repository root; the README's first
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line and License section name the licence.
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- 2026-08-10: policy scaffold present: `REPO_POLICIES.md`, `.editorconfig`,
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`.dockerignore`, CI workflow, `make fmt-check`, `make docker`, `make hooks`.
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- 2026-08-10: Go's test cache disabled in `script/test` (`-count=1`), so every
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run queries live DNS; a failed run is rerun with `-v`.
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- 2026-08-10: live-DNS tests made robust rather than gated (#93): a limit on
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concurrent lookups, retries, and a quorum across nameservers.
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- 2026-08-10: all linting moved into Docker: `script/lint` builds
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`Dockerfile.lint`, and the root `Dockerfile` has its own lint stage.
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- 2026-08-09: in-flight notification deliveries are drained at shutdown, bounded
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by the shutdown deadline (#106).
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- 2026-08-09: `http.Server` sets all four socket timeouts; `WriteTimeout` stays
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above the 60s handler timeout (#99).
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- 2026-08-09: `SecurityHeaders()` middleware sets HSTS, CSP and the other
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security headers `REPO_POLICIES.md` requires on every response.
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- 2026-08-07: golangci-lint bumped to v2.12.2 and `.golangci.yml` set to the org
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config; fixed the resulting `goconst`, `dupl` and `lll` findings.
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- 2026-07-07 Adopted scripts-to-rule-them-all: `script/` entrypoints, Makefile
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shims, README Entrypoints section
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- 2026-02-20: iterative DNS resolver implemented
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- 2026-02-20: CI actions and go install refs pinned to commit SHAs; Gitea
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Actions workflow added
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- 2026-02-20: watcher monitoring orchestrator merged to main (#8)
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- 2026-02-20: DOMAINS/HOSTNAMES unified into single TARGETS config (#11)
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- 2026-02-19: TCP port connectivity checker, made concurrent with port
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validation; gosec G704 SSRF findings fixed without suppression
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- 2026-02-19: TLS certificate inspector with no-peer-certificates error path and
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IP SANs
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- 2026-02-19: gosec SSRF and formatting fixes on main
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- 2026-02-19: initial scaffold with per-nameserver DNS monitoring model
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# Future Steps
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- 1.0 readiness: run it with a real config and read the logs:
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https://git.eeqj.de/sneak/dnswatcher/issues/66
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- README accuracy sweep: https://git.eeqj.de/sneak/dnswatcher/issues/108
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- fixed root server order: https://git.eeqj.de/sneak/dnswatcher/issues/138
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- review toward 1.0: https://git.eeqj.de/sneak/dnswatcher/issues/144
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