func TestOrphanBlobDeleted(t *testing.T) {
inmemoryDriver := inmemory.New()
registry := createRegistry(t, inmemoryDriver)
repo := makeRepository(t, registry, "michael_z_doukas")
digests, err := testutil.CreateRandomLayers(1)
if err != nil {
t.Fatalf("Failed to create random digest: %v", err)
}
if err = testutil.UploadBlobs(repo, digests); err != nil {
t.Fatalf("Failed to upload blob: %v", err)
}
// formality to create the necessary directories
uploadRandomSchema2Image(t, repo)
// Run GC
err = MarkAndSweep(context.Background(), inmemoryDriver, registry, false)
if err != nil {
t.Fatalf("Failed mark and sweep: %v", err)
}
blobs := allBlobs(t, registry)
// check that orphan blob layers are not still around
for dgst := range digests {
if _, ok := blobs[dgst]; ok {
t.Fatalf("Orphan layer is present: %v", dgst)
}
}
}
func uploadRandomSchema1Image(t *testing.T, repository distribution.Repository) image {
randomLayers, err := testutil.CreateRandomLayers(2)
if err != nil {
t.Fatalf("%v", err)
}
digests := []digest.Digest{}
for digest := range randomLayers {
digests = append(digests, digest)
}
manifest, err := testutil.MakeSchema1Manifest(digests)
if err != nil {
t.Fatalf("%v", err)
}
manifestDigest := uploadImage(t, repository, image{manifest: manifest, layers: randomLayers})
return image{
manifest: manifest,
manifestDigest: manifestDigest,
layers: randomLayers,
}
}
func makeRepo(t *testing.T, ctx context.Context, name string, reg distribution.Namespace) {
named, err := reference.ParseNamed(name)
if err != nil {
t.Fatal(err)
}
repo, _ := reg.Repository(ctx, named)
manifests, _ := repo.Manifests(ctx)
layers, err := testutil.CreateRandomLayers(1)
if err != nil {
t.Fatal(err)
}
err = testutil.UploadBlobs(repo, layers)
if err != nil {
t.Fatalf("failed to upload layers: %v", err)
}
getKeys := func(digests map[digest.Digest]io.ReadSeeker) (ds []digest.Digest) {
for d := range digests {
ds = append(ds, d)
}
return
}
manifest, err := testutil.MakeSchema1Manifest(getKeys(layers))
if err != nil {
t.Fatal(err)
}
_, err = manifests.Put(ctx, manifest)
if err != nil {
t.Fatalf("manifest upload failed: %v", err)
}
}
func TestDeletionWithSharedLayer(t *testing.T) {
ctx := context.Background()
inmemoryDriver := inmemory.New()
registry := createRegistry(t, inmemoryDriver)
repo := makeRepository(t, registry, "tzimiskes")
// Create random layers
randomLayers1, err := testutil.CreateRandomLayers(3)
if err != nil {
t.Fatalf("failed to make layers: %v", err)
}
randomLayers2, err := testutil.CreateRandomLayers(3)
if err != nil {
t.Fatalf("failed to make layers: %v", err)
}
// Upload all layers
err = testutil.UploadBlobs(repo, randomLayers1)
if err != nil {
t.Fatalf("failed to upload layers: %v", err)
}
err = testutil.UploadBlobs(repo, randomLayers2)
if err != nil {
t.Fatalf("failed to upload layers: %v", err)
}
// Construct manifests
manifest1, err := testutil.MakeSchema1Manifest(getKeys(randomLayers1))
if err != nil {
t.Fatalf("failed to make manifest: %v", err)
}
sharedKey := getAnyKey(randomLayers1)
manifest2, err := testutil.MakeSchema2Manifest(repo, append(getKeys(randomLayers2), sharedKey))
if err != nil {
t.Fatalf("failed to make manifest: %v", err)
}
manifestService := makeManifestService(t, repo)
// Upload manifests
_, err = manifestService.Put(ctx, manifest1)
if err != nil {
t.Fatalf("manifest upload failed: %v", err)
}
manifestDigest2, err := manifestService.Put(ctx, manifest2)
if err != nil {
t.Fatalf("manifest upload failed: %v", err)
}
// delete
err = manifestService.Delete(ctx, manifestDigest2)
if err != nil {
t.Fatalf("manifest deletion failed: %v", err)
}
// check that all of the layers in layer 1 are still there
blobs := allBlobs(t, registry)
for dgst := range randomLayers1 {
if _, ok := blobs[dgst]; !ok {
t.Fatalf("random layer 1 blob missing: %v", dgst)
}
}
}