sneak
6cf9211407
Auto-remediate style-only findings (wsl_v5, nlreturn, noinlineerr, modernize, intrange, perfsprint, usetesting, unconvert, errorlint, gocritic, testifylint) and rename printf-style helpers to f-suffixed names (goprintffuncname): ui.Writer message methods, cli.ReportErrorf, database.Fatalf, vaultik stdoutf.
681 lines
19 KiB
Go
681 lines
19 KiB
Go
package database
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import (
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"context"
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"database/sql"
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"fmt"
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"strings"
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"time"
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"sneak.berlin/go/vaultik/internal/types"
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)
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type SnapshotRepository struct {
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db *DB
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}
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func NewSnapshotRepository(db *DB) *SnapshotRepository {
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return &SnapshotRepository{db: db}
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}
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func (r *SnapshotRepository) Create(ctx context.Context, tx *sql.Tx, snapshot *Snapshot) error {
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query := `
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INSERT INTO snapshots (id, hostname, vaultik_version, vaultik_git_revision, started_at, completed_at,
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file_count, chunk_count, blob_count, total_size, blob_size, blob_uncompressed_size,
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compression_ratio, compression_level, upload_bytes, upload_duration_ms)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`
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var completedAt *int64
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if snapshot.CompletedAt != nil {
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ts := snapshot.CompletedAt.Unix()
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completedAt = &ts
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}
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, snapshot.ID, snapshot.Hostname, snapshot.VaultikVersion, snapshot.VaultikGitRevision, snapshot.StartedAt.Unix(),
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completedAt, snapshot.FileCount, snapshot.ChunkCount, snapshot.BlobCount, snapshot.TotalSize, snapshot.BlobSize, snapshot.BlobUncompressedSize,
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snapshot.CompressionRatio, snapshot.CompressionLevel, snapshot.UploadBytes, snapshot.UploadDurationMs)
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} else {
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_, err = r.db.ExecWithLog(ctx, query, snapshot.ID, snapshot.Hostname, snapshot.VaultikVersion, snapshot.VaultikGitRevision, snapshot.StartedAt.Unix(),
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completedAt, snapshot.FileCount, snapshot.ChunkCount, snapshot.BlobCount, snapshot.TotalSize, snapshot.BlobSize, snapshot.BlobUncompressedSize,
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snapshot.CompressionRatio, snapshot.CompressionLevel, snapshot.UploadBytes, snapshot.UploadDurationMs)
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}
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if err != nil {
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return fmt.Errorf("inserting snapshot: %w", err)
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}
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return nil
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}
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func (r *SnapshotRepository) UpdateCounts(ctx context.Context, tx *sql.Tx, snapshotID string, fileCount, chunkCount, blobCount, totalSize, blobSize int64) error {
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compressionRatio := 1.0
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if totalSize > 0 {
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compressionRatio = float64(blobSize) / float64(totalSize)
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}
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query := `
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UPDATE snapshots
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SET file_count = ?,
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chunk_count = ?,
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blob_count = ?,
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total_size = ?,
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blob_size = ?,
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compression_ratio = ?
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WHERE id = ?
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`
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, fileCount, chunkCount, blobCount, totalSize, blobSize, compressionRatio, snapshotID)
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} else {
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_, err = r.db.ExecWithLog(ctx, query, fileCount, chunkCount, blobCount, totalSize, blobSize, compressionRatio, snapshotID)
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}
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if err != nil {
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return fmt.Errorf("updating snapshot: %w", err)
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}
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return nil
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}
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// UpdateExtendedStats updates extended statistics for a snapshot
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func (r *SnapshotRepository) UpdateExtendedStats(ctx context.Context, tx *sql.Tx, snapshotID string, blobUncompressedSize int64, compressionLevel int, uploadDurationMs int64) error {
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// Calculate compression ratio based on uncompressed vs compressed sizes
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var compressionRatio float64
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if blobUncompressedSize > 0 {
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// Get current blob_size from DB to calculate ratio
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var blobSize int64
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queryGet := `SELECT blob_size FROM snapshots WHERE id = ?`
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if tx != nil {
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err := tx.QueryRowContext(ctx, queryGet, snapshotID).Scan(&blobSize)
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if err != nil {
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return fmt.Errorf("getting blob size: %w", err)
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}
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} else {
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err := r.db.conn.QueryRowContext(ctx, queryGet, snapshotID).Scan(&blobSize)
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if err != nil {
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return fmt.Errorf("getting blob size: %w", err)
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}
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}
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compressionRatio = float64(blobSize) / float64(blobUncompressedSize)
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} else {
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compressionRatio = 1.0
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}
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query := `
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UPDATE snapshots
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SET blob_uncompressed_size = ?,
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compression_ratio = ?,
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compression_level = ?,
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upload_bytes = blob_size,
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upload_duration_ms = ?
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WHERE id = ?
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`
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, blobUncompressedSize, compressionRatio, compressionLevel, uploadDurationMs, snapshotID)
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} else {
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_, err = r.db.ExecWithLog(ctx, query, blobUncompressedSize, compressionRatio, compressionLevel, uploadDurationMs, snapshotID)
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}
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if err != nil {
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return fmt.Errorf("updating extended stats: %w", err)
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}
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return nil
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}
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func (r *SnapshotRepository) GetByID(ctx context.Context, snapshotID string) (*Snapshot, error) {
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query := `
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SELECT id, hostname, vaultik_version, vaultik_git_revision, started_at, completed_at,
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file_count, chunk_count, blob_count, total_size, blob_size, blob_uncompressed_size,
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compression_ratio, compression_level, upload_bytes, upload_duration_ms
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FROM snapshots
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WHERE id = ?
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`
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var (
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snapshot Snapshot
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startedAtUnix int64
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completedAtUnix *int64
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)
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err := r.db.conn.QueryRowContext(ctx, query, snapshotID).Scan(
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&snapshot.ID,
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&snapshot.Hostname,
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&snapshot.VaultikVersion,
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&snapshot.VaultikGitRevision,
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&startedAtUnix,
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&completedAtUnix,
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&snapshot.FileCount,
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&snapshot.ChunkCount,
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&snapshot.BlobCount,
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&snapshot.TotalSize,
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&snapshot.BlobSize,
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&snapshot.BlobUncompressedSize,
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&snapshot.CompressionRatio,
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&snapshot.CompressionLevel,
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&snapshot.UploadBytes,
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&snapshot.UploadDurationMs,
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)
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if err == sql.ErrNoRows {
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return nil, nil
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}
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if err != nil {
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return nil, fmt.Errorf("querying snapshot: %w", err)
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}
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snapshot.StartedAt = time.Unix(startedAtUnix, 0).UTC()
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if completedAtUnix != nil {
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t := time.Unix(*completedAtUnix, 0).UTC()
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snapshot.CompletedAt = &t
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}
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return &snapshot, nil
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}
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func (r *SnapshotRepository) ListRecent(ctx context.Context, limit int) ([]*Snapshot, error) {
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query := `
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SELECT id, hostname, vaultik_version, vaultik_git_revision, started_at, completed_at, file_count, chunk_count, blob_count, total_size, blob_size, compression_ratio
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FROM snapshots
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ORDER BY started_at DESC
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LIMIT ?
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`
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rows, err := r.db.conn.QueryContext(ctx, query, limit)
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if err != nil {
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return nil, fmt.Errorf("querying snapshots: %w", err)
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}
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defer CloseRows(rows)
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var snapshots []*Snapshot
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for rows.Next() {
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var (
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snapshot Snapshot
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startedAtUnix int64
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completedAtUnix *int64
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)
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err := rows.Scan(
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&snapshot.ID,
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&snapshot.Hostname,
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&snapshot.VaultikVersion,
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&snapshot.VaultikGitRevision,
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&startedAtUnix,
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&completedAtUnix,
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&snapshot.FileCount,
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&snapshot.ChunkCount,
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&snapshot.BlobCount,
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&snapshot.TotalSize,
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&snapshot.BlobSize,
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&snapshot.CompressionRatio,
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)
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if err != nil {
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return nil, fmt.Errorf("scanning snapshot: %w", err)
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}
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snapshot.StartedAt = time.Unix(startedAtUnix, 0)
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if completedAtUnix != nil {
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t := time.Unix(*completedAtUnix, 0)
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snapshot.CompletedAt = &t
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}
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snapshots = append(snapshots, &snapshot)
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}
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return snapshots, rows.Err()
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}
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// MarkComplete marks a snapshot as completed with the current timestamp
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func (r *SnapshotRepository) MarkComplete(ctx context.Context, tx *sql.Tx, snapshotID string) error {
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query := `
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UPDATE snapshots
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SET completed_at = ?
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WHERE id = ?
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`
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completedAt := time.Now().UTC().Unix()
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, completedAt, snapshotID)
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} else {
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_, err = r.db.ExecWithLog(ctx, query, completedAt, snapshotID)
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}
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if err != nil {
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return fmt.Errorf("marking snapshot complete: %w", err)
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}
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return nil
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}
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// AddFile adds a file to a snapshot
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func (r *SnapshotRepository) AddFile(ctx context.Context, tx *sql.Tx, snapshotID string, filePath string) error {
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query := `
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INSERT OR IGNORE INTO snapshot_files (snapshot_id, file_id)
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SELECT ?, id FROM files WHERE path = ?
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`
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, snapshotID, filePath)
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} else {
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_, err = r.db.ExecWithLog(ctx, query, snapshotID, filePath)
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}
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if err != nil {
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return fmt.Errorf("adding file to snapshot: %w", err)
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}
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return nil
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}
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// AddFileByID adds a file to a snapshot by file ID
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func (r *SnapshotRepository) AddFileByID(ctx context.Context, tx *sql.Tx, snapshotID string, fileID types.FileID) error {
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query := `
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INSERT OR IGNORE INTO snapshot_files (snapshot_id, file_id)
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VALUES (?, ?)
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`
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, snapshotID, fileID.String())
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} else {
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_, err = r.db.ExecWithLog(ctx, query, snapshotID, fileID.String())
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}
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if err != nil {
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return fmt.Errorf("adding file to snapshot: %w", err)
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}
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return nil
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}
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// AddFilesByIDBatch adds multiple files to a snapshot in batched inserts
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func (r *SnapshotRepository) AddFilesByIDBatch(ctx context.Context, tx *sql.Tx, snapshotID string, fileIDs []types.FileID) error {
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if len(fileIDs) == 0 {
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return nil
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}
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// Each entry has 2 values, so batch at 400 to be safe
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const batchSize = 400
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for i := 0; i < len(fileIDs); i += batchSize {
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end := min(i+batchSize, len(fileIDs))
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batch := fileIDs[i:end]
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query := "INSERT OR IGNORE INTO snapshot_files (snapshot_id, file_id) VALUES "
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args := make([]any, 0, len(batch)*2)
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var querySb312 strings.Builder
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for j, fileID := range batch {
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if j > 0 {
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querySb312.WriteString(", ")
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}
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querySb312.WriteString("(?, ?)")
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args = append(args, snapshotID, fileID.String())
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}
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query += querySb312.String()
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, args...)
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} else {
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_, err = r.db.ExecWithLog(ctx, query, args...)
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}
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if err != nil {
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return fmt.Errorf("batch adding files to snapshot: %w", err)
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}
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}
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return nil
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}
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// PopulateReferencedBlobs ensures snapshot_blobs contains an entry for
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// every blob that holds a chunk referenced by any file in the snapshot.
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// This is necessary because the AddBlob hook only runs when a blob is
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// newly uploaded during a snapshot — fully-deduplicated snapshots (where
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// every chunk already exists in storage from a prior run) would otherwise
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// have an empty snapshot_blobs set and be impossible to restore.
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//
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// Returns the number of rows inserted (i.e. blobs that were previously
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// referenced indirectly via file_chunks but not yet recorded in
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// snapshot_blobs for this snapshot).
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func (r *SnapshotRepository) PopulateReferencedBlobs(ctx context.Context, tx *sql.Tx, snapshotID string) (int64, error) {
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query := `
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INSERT OR IGNORE INTO snapshot_blobs (snapshot_id, blob_id, blob_hash)
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SELECT DISTINCT ?, blobs.id, blobs.blob_hash
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FROM blobs
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JOIN blob_chunks ON blob_chunks.blob_id = blobs.id
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JOIN file_chunks ON file_chunks.chunk_hash = blob_chunks.chunk_hash
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JOIN snapshot_files ON snapshot_files.file_id = file_chunks.file_id
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WHERE snapshot_files.snapshot_id = ?
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AND blobs.blob_hash IS NOT NULL
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`
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var (
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result sql.Result
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err error
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)
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if tx != nil {
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result, err = tx.ExecContext(ctx, query, snapshotID, snapshotID)
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} else {
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result, err = r.db.ExecWithLog(ctx, query, snapshotID, snapshotID)
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}
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if err != nil {
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return 0, fmt.Errorf("populating referenced blobs: %w", err)
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}
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n, _ := result.RowsAffected()
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return n, nil
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}
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// AddBlob adds a blob to a snapshot
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func (r *SnapshotRepository) AddBlob(ctx context.Context, tx *sql.Tx, snapshotID string, blobID types.BlobID, blobHash types.BlobHash) error {
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query := `
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INSERT OR IGNORE INTO snapshot_blobs (snapshot_id, blob_id, blob_hash)
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VALUES (?, ?, ?)
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`
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var err error
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if tx != nil {
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_, err = tx.ExecContext(ctx, query, snapshotID, blobID.String(), blobHash.String())
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} else {
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_, err = r.db.ExecWithLog(ctx, query, snapshotID, blobID.String(), blobHash.String())
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}
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if err != nil {
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return fmt.Errorf("adding blob to snapshot: %w", err)
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}
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return nil
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}
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// GetBlobHashes returns all blob hashes for a snapshot
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func (r *SnapshotRepository) GetBlobHashes(ctx context.Context, snapshotID string) ([]string, error) {
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query := `
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SELECT sb.blob_hash
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FROM snapshot_blobs sb
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WHERE sb.snapshot_id = ?
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ORDER BY sb.blob_hash
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`
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rows, err := r.db.conn.QueryContext(ctx, query, snapshotID)
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if err != nil {
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return nil, fmt.Errorf("querying blob hashes: %w", err)
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}
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defer CloseRows(rows)
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var blobs []string
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for rows.Next() {
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var blobHash string
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err := rows.Scan(&blobHash)
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if err != nil {
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return nil, fmt.Errorf("scanning blob hash: %w", err)
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}
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blobs = append(blobs, blobHash)
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}
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return blobs, rows.Err()
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}
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// GetSnapshotTotalCompressedSize returns the total compressed size of all blobs referenced by a snapshot
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func (r *SnapshotRepository) GetSnapshotTotalCompressedSize(ctx context.Context, snapshotID string) (int64, error) {
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query := `
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SELECT COALESCE(SUM(b.compressed_size), 0)
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FROM snapshot_blobs sb
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JOIN blobs b ON sb.blob_hash = b.blob_hash
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WHERE sb.snapshot_id = ?
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`
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var totalSize int64
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err := r.db.conn.QueryRowContext(ctx, query, snapshotID).Scan(&totalSize)
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if err != nil {
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return 0, fmt.Errorf("querying total compressed size: %w", err)
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}
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return totalSize, nil
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}
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// GetSnapshotUncompressedChunkSize returns the sum of plaintext sizes of all unique
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// chunks referenced by a snapshot (via snapshot_files → file_chunks → chunks).
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func (r *SnapshotRepository) GetSnapshotUncompressedChunkSize(ctx context.Context, snapshotID string) (int64, error) {
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query := `
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SELECT COALESCE(SUM(c.size), 0)
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FROM (
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SELECT DISTINCT fc.chunk_hash
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FROM snapshot_files sf
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JOIN file_chunks fc ON sf.file_id = fc.file_id
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WHERE sf.snapshot_id = ?
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) sc
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JOIN chunks c ON sc.chunk_hash = c.chunk_hash
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`
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var totalSize int64
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err := r.db.conn.QueryRowContext(ctx, query, snapshotID).Scan(&totalSize)
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if err != nil {
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return 0, fmt.Errorf("querying uncompressed chunk size: %w", err)
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}
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return totalSize, nil
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}
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// GetSnapshotNewChunkSize returns the sum of plaintext sizes of chunks that are
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// referenced by this snapshot but not by any earlier completed snapshot known to
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// the local database. The result is the marginal uncompressed data this snapshot
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// added to the dedup pool — i.e., the delta from prior snapshots.
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func (r *SnapshotRepository) GetSnapshotNewChunkSize(ctx context.Context, snapshotID string) (int64, error) {
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query := `
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WITH this_snap_chunks AS (
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SELECT DISTINCT fc.chunk_hash
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FROM snapshot_files sf
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JOIN file_chunks fc ON sf.file_id = fc.file_id
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WHERE sf.snapshot_id = ?
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),
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prior_chunks AS (
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SELECT DISTINCT fc.chunk_hash
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FROM snapshots s
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JOIN snapshot_files sf ON sf.snapshot_id = s.id
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JOIN file_chunks fc ON fc.file_id = sf.file_id
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WHERE s.completed_at IS NOT NULL
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AND s.id != ?
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AND s.started_at < (SELECT started_at FROM snapshots WHERE id = ?)
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)
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SELECT COALESCE(SUM(c.size), 0)
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FROM chunks c
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JOIN this_snap_chunks t ON c.chunk_hash = t.chunk_hash
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WHERE c.chunk_hash NOT IN (SELECT chunk_hash FROM prior_chunks)
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`
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var totalSize int64
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err := r.db.conn.QueryRowContext(ctx, query, snapshotID, snapshotID, snapshotID).Scan(&totalSize)
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if err != nil {
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return 0, fmt.Errorf("querying new chunk size: %w", err)
|
|
}
|
|
|
|
return totalSize, nil
|
|
}
|
|
|
|
// GetIncompleteSnapshots returns all snapshots that haven't been completed
|
|
func (r *SnapshotRepository) GetIncompleteSnapshots(ctx context.Context) ([]*Snapshot, error) {
|
|
query := `
|
|
SELECT id, hostname, vaultik_version, vaultik_git_revision, started_at, completed_at, file_count, chunk_count, blob_count, total_size, blob_size, compression_ratio
|
|
FROM snapshots
|
|
WHERE completed_at IS NULL
|
|
ORDER BY started_at DESC
|
|
`
|
|
|
|
rows, err := r.db.conn.QueryContext(ctx, query)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("querying incomplete snapshots: %w", err)
|
|
}
|
|
defer CloseRows(rows)
|
|
|
|
var snapshots []*Snapshot
|
|
|
|
for rows.Next() {
|
|
var (
|
|
snapshot Snapshot
|
|
startedAtUnix int64
|
|
completedAtUnix *int64
|
|
)
|
|
|
|
err := rows.Scan(
|
|
&snapshot.ID,
|
|
&snapshot.Hostname,
|
|
&snapshot.VaultikVersion,
|
|
&snapshot.VaultikGitRevision,
|
|
&startedAtUnix,
|
|
&completedAtUnix,
|
|
&snapshot.FileCount,
|
|
&snapshot.ChunkCount,
|
|
&snapshot.BlobCount,
|
|
&snapshot.TotalSize,
|
|
&snapshot.BlobSize,
|
|
&snapshot.CompressionRatio,
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("scanning snapshot: %w", err)
|
|
}
|
|
|
|
snapshot.StartedAt = time.Unix(startedAtUnix, 0)
|
|
if completedAtUnix != nil {
|
|
t := time.Unix(*completedAtUnix, 0)
|
|
snapshot.CompletedAt = &t
|
|
}
|
|
|
|
snapshots = append(snapshots, &snapshot)
|
|
}
|
|
|
|
return snapshots, rows.Err()
|
|
}
|
|
|
|
// GetIncompleteByHostname returns all incomplete snapshots for a specific hostname
|
|
func (r *SnapshotRepository) GetIncompleteByHostname(ctx context.Context, hostname string) ([]*Snapshot, error) {
|
|
query := `
|
|
SELECT id, hostname, vaultik_version, vaultik_git_revision, started_at, completed_at, file_count, chunk_count, blob_count, total_size, blob_size, compression_ratio
|
|
FROM snapshots
|
|
WHERE completed_at IS NULL AND hostname = ?
|
|
ORDER BY started_at DESC
|
|
`
|
|
|
|
rows, err := r.db.conn.QueryContext(ctx, query, hostname)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("querying incomplete snapshots: %w", err)
|
|
}
|
|
defer CloseRows(rows)
|
|
|
|
var snapshots []*Snapshot
|
|
|
|
for rows.Next() {
|
|
var (
|
|
snapshot Snapshot
|
|
startedAtUnix int64
|
|
completedAtUnix *int64
|
|
)
|
|
|
|
err := rows.Scan(
|
|
&snapshot.ID,
|
|
&snapshot.Hostname,
|
|
&snapshot.VaultikVersion,
|
|
&snapshot.VaultikGitRevision,
|
|
&startedAtUnix,
|
|
&completedAtUnix,
|
|
&snapshot.FileCount,
|
|
&snapshot.ChunkCount,
|
|
&snapshot.BlobCount,
|
|
&snapshot.TotalSize,
|
|
&snapshot.BlobSize,
|
|
&snapshot.CompressionRatio,
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("scanning snapshot: %w", err)
|
|
}
|
|
|
|
snapshot.StartedAt = time.Unix(startedAtUnix, 0).UTC()
|
|
if completedAtUnix != nil {
|
|
t := time.Unix(*completedAtUnix, 0).UTC()
|
|
snapshot.CompletedAt = &t
|
|
}
|
|
|
|
snapshots = append(snapshots, &snapshot)
|
|
}
|
|
|
|
return snapshots, rows.Err()
|
|
}
|
|
|
|
// Delete removes a snapshot record
|
|
func (r *SnapshotRepository) Delete(ctx context.Context, snapshotID string) error {
|
|
query := `DELETE FROM snapshots WHERE id = ?`
|
|
|
|
_, err := r.db.ExecWithLog(ctx, query, snapshotID)
|
|
if err != nil {
|
|
return fmt.Errorf("deleting snapshot: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// DeleteSnapshotFiles removes all snapshot_files entries for a snapshot
|
|
func (r *SnapshotRepository) DeleteSnapshotFiles(ctx context.Context, snapshotID string) error {
|
|
query := `DELETE FROM snapshot_files WHERE snapshot_id = ?`
|
|
|
|
_, err := r.db.ExecWithLog(ctx, query, snapshotID)
|
|
if err != nil {
|
|
return fmt.Errorf("deleting snapshot files: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// DeleteSnapshotBlobs removes all snapshot_blobs entries for a snapshot
|
|
func (r *SnapshotRepository) DeleteSnapshotBlobs(ctx context.Context, snapshotID string) error {
|
|
query := `DELETE FROM snapshot_blobs WHERE snapshot_id = ?`
|
|
|
|
_, err := r.db.ExecWithLog(ctx, query, snapshotID)
|
|
if err != nil {
|
|
return fmt.Errorf("deleting snapshot blobs: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// DeleteSnapshotUploads removes all uploads entries for a snapshot
|
|
func (r *SnapshotRepository) DeleteSnapshotUploads(ctx context.Context, snapshotID string) error {
|
|
query := `DELETE FROM uploads WHERE snapshot_id = ?`
|
|
|
|
_, err := r.db.ExecWithLog(ctx, query, snapshotID)
|
|
if err != nil {
|
|
return fmt.Errorf("deleting snapshot uploads: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|