package storage import ( "bytes" "io" "reflect" "testing" "github.com/docker/distribution/digest" "github.com/docker/distribution/manifest" "github.com/docker/distribution/registry/storage/driver/inmemory" "github.com/docker/distribution/testutil" "github.com/docker/libtrust" "golang.org/x/net/context" ) func TestManifestStorage(t *testing.T) { ctx := context.Background() name := "foo/bar" tag := "thetag" driver := inmemory.New() registry := NewRegistryWithDriver(driver) repo := registry.Repository(ctx, name) ms := repo.Manifests() exists, err := ms.Exists(tag) if err != nil { t.Fatalf("unexpected error checking manifest existence: %v", err) } if exists { t.Fatalf("manifest should not exist") } if _, err := ms.Get(tag); true { switch err.(type) { case ErrUnknownManifest: break default: t.Fatalf("expected manifest unknown error: %#v", err) } } m := manifest.Manifest{ Versioned: manifest.Versioned{ SchemaVersion: 1, }, Name: name, Tag: tag, } // Build up some test layers and add them to the manifest, saving the // readseekers for upload later. testLayers := map[digest.Digest]io.ReadSeeker{} for i := 0; i < 2; i++ { rs, ds, err := testutil.CreateRandomTarFile() if err != nil { t.Fatalf("unexpected error generating test layer file") } dgst := digest.Digest(ds) testLayers[digest.Digest(dgst)] = rs m.FSLayers = append(m.FSLayers, manifest.FSLayer{ BlobSum: dgst, }) } pk, err := libtrust.GenerateECP256PrivateKey() if err != nil { t.Fatalf("unexpected error generating private key: %v", err) } sm, err := manifest.Sign(&m, pk) if err != nil { t.Fatalf("error signing manifest: %v", err) } err = ms.Put(tag, sm) if err == nil { t.Fatalf("expected errors putting manifest") } // TODO(stevvooe): We expect errors describing all of the missing layers. // Now, upload the layers that were missing! for dgst, rs := range testLayers { upload, err := repo.Layers().Upload() if err != nil { t.Fatalf("unexpected error creating test upload: %v", err) } if _, err := io.Copy(upload, rs); err != nil { t.Fatalf("unexpected error copying to upload: %v", err) } if _, err := upload.Finish(dgst); err != nil { t.Fatalf("unexpected error finishing upload: %v", err) } } if err = ms.Put(tag, sm); err != nil { t.Fatalf("unexpected error putting manifest: %v", err) } exists, err = ms.Exists(tag) if err != nil { t.Fatalf("unexpected error checking manifest existence: %v", err) } if !exists { t.Fatalf("manifest should exist") } fetchedManifest, err := ms.Get(tag) if err != nil { t.Fatalf("unexpected error fetching manifest: %v", err) } if !reflect.DeepEqual(fetchedManifest, sm) { t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedManifest, sm) } fetchedJWS, err := libtrust.ParsePrettySignature(fetchedManifest.Raw, "signatures") if err != nil { t.Fatalf("unexpected error parsing jws: %v", err) } payload, err := fetchedJWS.Payload() if err != nil { t.Fatalf("unexpected error extracting payload: %v", err) } sigs, err := fetchedJWS.Signatures() if err != nil { t.Fatalf("unable to extract signatures: %v", err) } if len(sigs) != 1 { t.Fatalf("unexpected number of signatures: %d != %d", len(sigs), 1) } // Grabs the tags and check that this tagged manifest is present tags, err := ms.Tags() if err != nil { t.Fatalf("unexpected error fetching tags: %v", err) } if len(tags) != 1 { t.Fatalf("unexpected tags returned: %v", tags) } if tags[0] != tag { t.Fatalf("unexpected tag found in tags: %v != %v", tags, []string{tag}) } // Now, push the same manifest with a different key pk2, err := libtrust.GenerateECP256PrivateKey() if err != nil { t.Fatalf("unexpected error generating private key: %v", err) } sm2, err := manifest.Sign(&m, pk2) if err != nil { t.Fatalf("unexpected error signing manifest: %v", err) } jws2, err := libtrust.ParsePrettySignature(sm2.Raw, "signatures") if err != nil { t.Fatalf("error parsing signature: %v", err) } sigs2, err := jws2.Signatures() if err != nil { t.Fatalf("unable to extract signatures: %v", err) } if len(sigs2) != 1 { t.Fatalf("unexpected number of signatures: %d != %d", len(sigs2), 1) } if err = ms.Put(tag, sm2); err != nil { t.Fatalf("unexpected error putting manifest: %v", err) } fetched, err := ms.Get(tag) if err != nil { t.Fatalf("unexpected error fetching manifest: %v", err) } if _, err := manifest.Verify(fetched); err != nil { t.Fatalf("unexpected error verifying manifest: %v", err) } // Assemble our payload and two signatures to get what we expect! expectedJWS, err := libtrust.NewJSONSignature(payload, sigs[0], sigs2[0]) if err != nil { t.Fatalf("unexpected error merging jws: %v", err) } expectedSigs, err := expectedJWS.Signatures() if err != nil { t.Fatalf("unexpected error getting expected signatures: %v", err) } receivedJWS, err := libtrust.ParsePrettySignature(fetched.Raw, "signatures") if err != nil { t.Fatalf("unexpected error parsing jws: %v", err) } receivedPayload, err := receivedJWS.Payload() if err != nil { t.Fatalf("unexpected error extracting received payload: %v", err) } if !bytes.Equal(receivedPayload, payload) { t.Fatalf("payloads are not equal") } receivedSigs, err := receivedJWS.Signatures() if err != nil { t.Fatalf("error getting signatures: %v", err) } for i, sig := range receivedSigs { if !bytes.Equal(sig, expectedSigs[i]) { t.Fatalf("mismatched signatures from remote: %v != %v", string(sig), string(expectedSigs[i])) } } if err := ms.Delete(tag); err != nil { t.Fatalf("unexpected error deleting manifest: %v", err) } }