diff --git a/registry/storage/blob_test.go b/registry/storage/blob_test.go index 3698a415d..7e1a7cd44 100644 --- a/registry/storage/blob_test.go +++ b/registry/storage/blob_test.go @@ -16,6 +16,7 @@ import ( "github.com/docker/distribution/registry/storage/cache/memory" "github.com/docker/distribution/registry/storage/driver/inmemory" "github.com/docker/distribution/testutil" + "path" ) // TestWriteSeek tests that the current file size can be @@ -83,6 +84,15 @@ func TestSimpleBlobUpload(t *testing.T) { t.Fatalf("unexpected error during upload cancellation: %v", err) } + // get the enclosing directory + uploadPath := path.Dir(blobUpload.(*blobWriter).path) + + // ensure state was cleaned up + _, err = driver.List(ctx, uploadPath) + if err == nil { + t.Fatal("files in upload path after cleanup") + } + // Do a resume, get unknown upload blobUpload, err = bs.Resume(ctx, blobUpload.ID()) if err != distribution.ErrBlobUploadUnknown { @@ -128,6 +138,13 @@ func TestSimpleBlobUpload(t *testing.T) { t.Fatalf("unexpected error finishing layer upload: %v", err) } + // ensure state was cleaned up + uploadPath = path.Dir(blobUpload.(*blobWriter).path) + _, err = driver.List(ctx, uploadPath) + if err == nil { + t.Fatal("files in upload path after commit") + } + // After finishing an upload, it should no longer exist. if _, err := bs.Resume(ctx, blobUpload.ID()); err != distribution.ErrBlobUploadUnknown { t.Fatalf("expected layer upload to be unknown, got %v", err) diff --git a/registry/storage/blobwriter.go b/registry/storage/blobwriter.go index 7f280d366..2ae944a4a 100644 --- a/registry/storage/blobwriter.go +++ b/registry/storage/blobwriter.go @@ -18,8 +18,8 @@ var ( errResumableDigestNotAvailable = errors.New("resumable digest not available") ) -// layerWriter is used to control the various aspects of resumable -// layer upload. It implements the LayerUpload interface. +// blobWriter is used to control the various aspects of resumable +// blob upload. type blobWriter struct { ctx context.Context blobStore *linkedBlobStore @@ -34,6 +34,7 @@ type blobWriter struct { path string resumableDigestEnabled bool + committed bool } var _ distribution.BlobWriter = &blobWriter{} @@ -78,6 +79,7 @@ func (bw *blobWriter) Commit(ctx context.Context, desc distribution.Descriptor) return distribution.Descriptor{}, err } + bw.committed = true return canonical, nil } @@ -89,11 +91,14 @@ func (bw *blobWriter) Cancel(ctx context.Context) error { return err } + if err := bw.Close(); err != nil { + context.GetLogger(ctx).Errorf("error closing blobwriter: %s", err) + } + if err := bw.removeResources(ctx); err != nil { return err } - bw.Close() return nil } @@ -130,6 +135,10 @@ func (bw *blobWriter) ReadFrom(r io.Reader) (n int64, err error) { } func (bw *blobWriter) Close() error { + if bw.committed { + return errors.New("blobwriter close after commit") + } + if err := bw.storeHashState(bw.blobStore.ctx); err != nil { return err }