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31 changes: 16 additions & 15 deletions packages/orchestrator/cmd/inspect-build/validate.go
Original file line number Diff line number Diff line change
Expand Up @@ -92,7 +92,7 @@ func validateBuild(ctx context.Context, storagePath, buildID, artifact string, e
// fetch still runs and reportValidation shows the checksum as n/a.
expected := h.Builds[h.Metadata.BuildId].Checksum

chunker, size, cleanup, err := openChunker(ctx, storagePath, buildID, artifact, h, ft)
chunker, obj, size, cleanup, err := openChunker(ctx, storagePath, buildID, artifact, h, ft)
if err != nil {
return err
}
Expand All @@ -119,7 +119,7 @@ func validateBuild(ctx context.Context, storagePath, buildID, artifact string, e
}
c := chunks[ci]
for off := c.lo; off < c.hi; off += blockSize {
if _, err := chunker.Slice(egCtx, off, min(blockSize, c.hi-off), ft); err != nil {
if _, err := chunker.Slice(egCtx, off, min(blockSize, c.hi-off), obj, ft); err != nil {
return fmt.Errorf("fetch block at %d: %w", off, err)
}
}
Expand All @@ -133,7 +133,7 @@ func validateBuild(ctx context.Context, storagePath, buildID, artifact string, e
// The cache is warm — sweep it one block at a time to hash the image.
hasher := sha256.New()
for off := int64(0); off < size; off += blockSize {
b, err := chunker.Slice(ctx, off, min(blockSize, size-off), ft)
b, err := chunker.Slice(ctx, off, min(blockSize, size-off), obj, ft)
if err != nil {
return fmt.Errorf("read block at %d: %w", off, err)
}
Expand All @@ -146,14 +146,15 @@ func validateBuild(ctx context.Context, storagePath, buildID, artifact string, e
}

// openChunker wires a production block.Chunker over the build's data file,
// returning the chunker, the image's uncompressed size, and a cleanup function.
func openChunker(ctx context.Context, storagePath, buildID, artifact string, h *header.Header, ft *storage.FrameTable) (*block.Chunker, int64, func(), error) {
// returning the chunker, the upstream storage object, the image's uncompressed
// size, and a cleanup function.
func openChunker(ctx context.Context, storagePath, buildID, artifact string, h *header.Header, ft *storage.FrameTable) (*block.Chunker, storage.Seekable, int64, func(), error) {
if err := cmdutil.SetupStorage(storagePath); err != nil {
return nil, 0, nil, err
return nil, nil, 0, nil, err
}
provider, err := storage.GetStorageProvider(ctx, storage.TemplateStorageConfig)
if err != nil {
return nil, 0, nil, fmt.Errorf("storage provider: %w", err)
return nil, nil, 0, nil, fmt.Errorf("storage provider: %w", err)
}

dataPath := buildID + "/" + artifact
Expand All @@ -162,7 +163,7 @@ func openChunker(ctx context.Context, storagePath, buildID, artifact string, h *
}
obj, err := provider.OpenSeekable(ctx, dataPath, seekableType(artifact))
if err != nil {
return nil, 0, nil, fmt.Errorf("open data: %w", err)
return nil, nil, 0, nil, fmt.Errorf("open data: %w", err)
}

// Mirror production (build/storage_diff.go:Init): the canonical uncompressed
Expand All @@ -174,35 +175,35 @@ func openChunker(ctx context.Context, storagePath, buildID, artifact string, h *
if bd, ok := h.Builds[h.Metadata.BuildId]; ok && bd.Size > 0 {
size = bd.Size
} else if size, err = obj.Size(ctx); err != nil {
return nil, 0, nil, fmt.Errorf("get data size: %w", err)
return nil, nil, 0, nil, fmt.Errorf("get data size: %w", err)
}

flags, err := featureflags.NewClient()
if err != nil {
return nil, 0, nil, fmt.Errorf("feature flags: %w", err)
return nil, nil, 0, nil, fmt.Errorf("feature flags: %w", err)
}
m, err := metrics.NewMetrics(noop.NewMeterProvider())
if err != nil {
return nil, 0, nil, fmt.Errorf("metrics: %w", err)
return nil, nil, 0, nil, fmt.Errorf("metrics: %w", err)
}
cacheDir, err := os.MkdirTemp("", "inspect-build-validate-")
if err != nil {
return nil, 0, nil, err
return nil, nil, 0, nil, err
}

chunker, err := block.NewChunker(flags, size, int64(h.Metadata.BlockSize), obj, filepath.Join(cacheDir, "cache"), m)
chunker, err := block.NewChunker(flags, size, int64(h.Metadata.BlockSize), filepath.Join(cacheDir, "cache"), m)
if err != nil {
os.RemoveAll(cacheDir)

return nil, 0, nil, fmt.Errorf("chunker: %w", err)
return nil, nil, 0, nil, fmt.Errorf("chunker: %w", err)
}

cleanup := func() {
chunker.Close()
os.RemoveAll(cacheDir)
}

return chunker, size, cleanup, nil
return chunker, obj, size, cleanup, nil
}

// reportValidation prints the VALIDATION block: size, checksum, frame-table
Expand Down
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