// MakeSchema1Manifest constructs a schema 1 manifest from a given list of digests and returns
// the digest of the manifest
func MakeSchema1Manifest(digests []digest.Digest) (distribution.Manifest, error) {
manifest := schema1.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: "who",
Tag: "cares",
}
for _, digest := range digests {
manifest.FSLayers = append(manifest.FSLayers, schema1.FSLayer{BlobSum: digest})
manifest.History = append(manifest.History, schema1.History{V1Compatibility: ""})
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
return nil, fmt.Errorf("unexpected error generating private key: %v", err)
}
signedManifest, err := schema1.Sign(&manifest, pk)
if err != nil {
return nil, fmt.Errorf("error signing manifest: %v", err)
}
return signedManifest, nil
}
// fixManifestLayers removes repeated layers from the manifest and checks the
// correctness of the parent chain.
func fixManifestLayers(m *schema1.Manifest) error {
imgs := make([]*image.V1Image, len(m.FSLayers))
for i := range m.FSLayers {
img := &image.V1Image{}
if err := json.Unmarshal([]byte(m.History[i].V1Compatibility), img); err != nil {
return err
}
imgs[i] = img
if err := v1.ValidateID(img.ID); err != nil {
return err
}
}
if imgs[len(imgs)-1].Parent != "" && runtime.GOOS != "windows" {
// Windows base layer can point to a base layer parent that is not in manifest.
return errors.New("Invalid parent ID in the base layer of the image.")
}
// check general duplicates to error instead of a deadlock
idmap := make(map[string]struct{})
var lastID string
for _, img := range imgs {
// skip IDs that appear after each other, we handle those later
if _, exists := idmap[img.ID]; img.ID != lastID && exists {
return fmt.Errorf("ID %+v appears multiple times in manifest", img.ID)
}
lastID = img.ID
idmap[lastID] = struct{}{}
}
// backwards loop so that we keep the remaining indexes after removing items
for i := len(imgs) - 2; i >= 0; i-- {
if imgs[i].ID == imgs[i+1].ID { // repeated ID. remove and continue
m.FSLayers = append(m.FSLayers[:i], m.FSLayers[i+1:]...)
m.History = append(m.History[:i], m.History[i+1:]...)
} else if imgs[i].Parent != imgs[i+1].ID {
return fmt.Errorf("Invalid parent ID. Expected %v, got %v.", imgs[i+1].ID, imgs[i].Parent)
}
}
return nil
}
func createManifest(name string, tag string, arch string, ordered []*Layer) (*manifest.Manifest, []byte, digest.Digest, error) {
var m *manifest.Manifest
m = &manifest.Manifest{
Versioned: versioned.Versioned{
SchemaVersion: 1,
},
Name: name, Tag: tag, Architecture: arch}
for _, l := range ordered {
m.FSLayers = append(m.FSLayers, manifest.FSLayer{BlobSum: l.BlobSum})
m.History = append(m.History, manifest.History{V1Compatibility: l.Data})
}
dgstr := digest.Canonical.New()
data, err := json.MarshalIndent(m, "", " ")
if err != nil {
return nil, nil, "", err
}
dgstr.Hash().Write(data)
return m, data, dgstr.Digest(), nil
}
func testManifestStorage(t *testing.T, options ...RegistryOption) {
repoName, _ := reference.ParseNamed("foo/bar")
env := newManifestStoreTestEnv(t, repoName, "thetag", options...)
ctx := context.Background()
ms, err := env.repository.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
equalSignatures := env.registry.(*registry).schema1SignaturesEnabled
m := schema1.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: env.name.Name(),
Tag: env.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, schema1.FSLayer{
BlobSum: dgst,
})
m.History = append(m.History, schema1.History{
V1Compatibility: "",
})
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating private key: %v", err)
}
sm, merr := schema1.Sign(&m, pk)
if merr != nil {
t.Fatalf("error signing manifest: %v", err)
}
_, err = ms.Put(ctx, sm)
if err == nil {
t.Fatalf("expected errors putting manifest with full verification")
}
switch err := err.(type) {
case distribution.ErrManifestVerification:
if len(err) != 2 {
t.Fatalf("expected 2 verification errors: %#v", err)
}
for _, err := range err {
if _, ok := err.(distribution.ErrManifestBlobUnknown); !ok {
t.Fatalf("unexpected error type: %v", err)
}
}
default:
t.Fatalf("unexpected error verifying manifest: %v", err)
}
// Now, upload the layers that were missing!
for dgst, rs := range testLayers {
wr, err := env.repository.Blobs(env.ctx).Create(env.ctx)
if err != nil {
t.Fatalf("unexpected error creating test upload: %v", err)
}
if _, err := io.Copy(wr, rs); err != nil {
t.Fatalf("unexpected error copying to upload: %v", err)
}
if _, err := wr.Commit(env.ctx, distribution.Descriptor{Digest: dgst}); err != nil {
t.Fatalf("unexpected error finishing upload: %v", err)
}
}
var manifestDigest digest.Digest
if manifestDigest, err = ms.Put(ctx, sm); err != nil {
t.Fatalf("unexpected error putting manifest: %v", err)
}
exists, err := ms.Exists(ctx, manifestDigest)
if err != nil {
t.Fatalf("unexpected error checking manifest existence: %#v", err)
}
if !exists {
t.Fatalf("manifest should exist")
}
fromStore, err := ms.Get(ctx, manifestDigest)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
fetchedManifest, ok := fromStore.(*schema1.SignedManifest)
if !ok {
t.Fatalf("unexpected manifest type from signedstore")
}
if !bytes.Equal(fetchedManifest.Canonical, sm.Canonical) {
t.Fatalf("fetched payload does not match original payload: %q != %q", fetchedManifest.Canonical, sm.Canonical)
}
if equalSignatures {
if !reflect.DeepEqual(fetchedManifest, sm) {
t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedManifest.Manifest, sm.Manifest)
}
}
_, pl, err := fetchedManifest.Payload()
if err != nil {
t.Fatalf("error getting payload %#v", err)
}
fetchedJWS, err := libtrust.ParsePrettySignature(pl, "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)
}
// Now that we have a payload, take a moment to check that the manifest is
// return by the payload digest.
dgst := digest.FromBytes(payload)
exists, err = ms.Exists(ctx, dgst)
if err != nil {
t.Fatalf("error checking manifest existence by digest: %v", err)
}
if !exists {
t.Fatalf("manifest %s should exist", dgst)
}
fetchedByDigest, err := ms.Get(ctx, dgst)
if err != nil {
t.Fatalf("unexpected error fetching manifest by digest: %v", err)
}
byDigestManifest, ok := fetchedByDigest.(*schema1.SignedManifest)
if !ok {
t.Fatalf("unexpected manifest type from signedstore")
}
if !bytes.Equal(byDigestManifest.Canonical, fetchedManifest.Canonical) {
t.Fatalf("fetched manifest not equal: %q != %q", byDigestManifest.Canonical, fetchedManifest.Canonical)
}
if equalSignatures {
if !reflect.DeepEqual(fetchedByDigest, fetchedManifest) {
t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedByDigest, fetchedManifest)
}
}
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)
}
// 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 := schema1.Sign(&m, pk2)
if err != nil {
t.Fatalf("unexpected error signing manifest: %v", err)
}
_, pl, err = sm2.Payload()
if err != nil {
t.Fatalf("error getting payload %#v", err)
}
jws2, err := libtrust.ParsePrettySignature(pl, "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 manifestDigest, err = ms.Put(ctx, sm2); err != nil {
t.Fatalf("unexpected error putting manifest: %v", err)
}
fromStore, err = ms.Get(ctx, manifestDigest)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
fetched, ok := fromStore.(*schema1.SignedManifest)
if !ok {
t.Fatalf("unexpected type from signed manifeststore : %T", fetched)
}
if _, err := schema1.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)
}
_, pl, err = fetched.Payload()
if err != nil {
t.Fatalf("error getting payload %#v", err)
}
receivedJWS, err := libtrust.ParsePrettySignature(pl, "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")
}
if equalSignatures {
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]))
}
}
}
// Test deleting manifests
err = ms.Delete(ctx, dgst)
if err != nil {
t.Fatalf("unexpected an error deleting manifest by digest: %v", err)
}
exists, err = ms.Exists(ctx, dgst)
if err != nil {
t.Fatalf("Error querying manifest existence")
}
if exists {
t.Errorf("Deleted manifest should not exist")
}
deletedManifest, err := ms.Get(ctx, dgst)
if err == nil {
t.Errorf("Unexpected success getting deleted manifest")
}
switch err.(type) {
case distribution.ErrManifestUnknownRevision:
break
default:
t.Errorf("Unexpected error getting deleted manifest: %s", reflect.ValueOf(err).Type())
}
if deletedManifest != nil {
t.Errorf("Deleted manifest get returned non-nil")
}
// Re-upload should restore manifest to a good state
_, err = ms.Put(ctx, sm)
if err != nil {
t.Errorf("Error re-uploading deleted manifest")
}
exists, err = ms.Exists(ctx, dgst)
if err != nil {
t.Fatalf("Error querying manifest existence")
}
if !exists {
t.Errorf("Restored manifest should exist")
}
deletedManifest, err = ms.Get(ctx, dgst)
if err != nil {
t.Errorf("Unexpected error getting manifest")
}
if deletedManifest == nil {
t.Errorf("Deleted manifest get returned non-nil")
}
r, err := NewRegistry(ctx, env.driver, BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), EnableRedirect)
if err != nil {
t.Fatalf("error creating registry: %v", err)
}
repo, err := r.Repository(ctx, env.name)
if err != nil {
t.Fatalf("unexpected error getting repo: %v", err)
}
ms, err = repo.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
err = ms.Delete(ctx, dgst)
if err == nil {
t.Errorf("Unexpected success deleting while disabled")
}
}
// checkExerciseRegistry takes the registry through all of its operations,
// carrying out generic checks.
func checkExerciseRepository(t *testing.T, repository distribution.Repository) {
// TODO(stevvooe): This would be a nice testutil function. Basically, it
// takes the registry through a common set of operations. This could be
// used to make cross-cutting updates by changing internals that affect
// update counts. Basically, it would make writing tests a lot easier.
ctx := context.Background()
tag := "thetag"
// todo: change this to use Builder
m := schema1.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: repository.Named().Name(),
Tag: tag,
}
blobs := repository.Blobs(ctx)
for i := 0; i < 2; i++ {
rs, ds, err := testutil.CreateRandomTarFile()
if err != nil {
t.Fatalf("error creating test layer: %v", err)
}
dgst := digest.Digest(ds)
wr, err := blobs.Create(ctx)
if err != nil {
t.Fatalf("error creating layer upload: %v", err)
}
// Use the resumes, as well!
wr, err = blobs.Resume(ctx, wr.ID())
if err != nil {
t.Fatalf("error resuming layer upload: %v", err)
}
io.Copy(wr, rs)
if _, err := wr.Commit(ctx, distribution.Descriptor{Digest: dgst}); err != nil {
t.Fatalf("unexpected error finishing upload: %v", err)
}
m.FSLayers = append(m.FSLayers, schema1.FSLayer{
BlobSum: dgst,
})
m.History = append(m.History, schema1.History{
V1Compatibility: "",
})
// Then fetch the blobs
if rc, err := blobs.Open(ctx, dgst); err != nil {
t.Fatalf("error fetching layer: %v", err)
} else {
defer rc.Close()
}
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating key: %v", err)
}
sm, err := schema1.Sign(&m, pk)
if err != nil {
t.Fatalf("unexpected error signing manifest: %v", err)
}
manifests, err := repository.Manifests(ctx)
if err != nil {
t.Fatal(err.Error())
}
var digestPut digest.Digest
if digestPut, err = manifests.Put(ctx, sm); err != nil {
t.Fatalf("unexpected error putting the manifest: %v", err)
}
dgst := digest.FromBytes(sm.Canonical)
if dgst != digestPut {
t.Fatalf("mismatching digest from payload and put")
}
_, err = manifests.Get(ctx, dgst)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
}
func storeTestImage(
ctx context.Context,
reg distribution.Namespace,
imageReference reference.NamedTagged,
schemaVersion int,
managedByOpenShift bool,
) (*imageapi.Image, error) {
repo, err := reg.Repository(ctx, imageReference)
if err != nil {
return nil, fmt.Errorf("unexpected error getting repo %q: %v", imageReference.Name(), err)
}
var (
m distribution.Manifest
m1 schema1.Manifest
)
switch schemaVersion {
case 1:
m1 = schema1.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: imageReference.Name(),
Tag: imageReference.Tag(),
}
case 2:
// TODO
fallthrough
default:
return nil, fmt.Errorf("unsupported manifest version %d", schemaVersion)
}
for i := 0; i < testImageLayerCount; i++ {
rs, ds, err := registrytest.CreateRandomTarFile()
if err != nil {
return nil, fmt.Errorf("unexpected error generating test layer file: %v", err)
}
dgst := digest.Digest(ds)
wr, err := repo.Blobs(ctx).Create(ctx)
if err != nil {
return nil, fmt.Errorf("unexpected error creating test upload: %v", err)
}
defer wr.Close()
n, err := io.Copy(wr, rs)
if err != nil {
return nil, fmt.Errorf("unexpected error copying to upload: %v", err)
}
if schemaVersion == 1 {
m1.FSLayers = append(m1.FSLayers, schema1.FSLayer{BlobSum: dgst})
m1.History = append(m1.History, schema1.History{V1Compatibility: fmt.Sprintf(`{"size":%d}`, n)})
} // TODO v2
if _, err := wr.Commit(ctx, distribution.Descriptor{Digest: dgst, MediaType: schema1.MediaTypeManifestLayer}); err != nil {
return nil, fmt.Errorf("unexpected error finishing upload: %v", err)
}
}
var dgst digest.Digest
var payload []byte
if schemaVersion == 1 {
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
return nil, fmt.Errorf("unexpected error generating private key: %v", err)
}
m, err = schema1.Sign(&m1, pk)
if err != nil {
return nil, fmt.Errorf("error signing manifest: %v", err)
}
_, payload, err = m.Payload()
if err != nil {
return nil, fmt.Errorf("error getting payload %#v", err)
}
dgst = digest.FromBytes(payload)
} //TODO v2
image := &imageapi.Image{
ObjectMeta: kapi.ObjectMeta{
Name: dgst.String(),
},
DockerImageManifest: string(payload),
DockerImageReference: imageReference.Name() + "@" + dgst.String(),
}
if managedByOpenShift {
image.Annotations = map[string]string{imageapi.ManagedByOpenShiftAnnotation: "true"}
}
if schemaVersion == 1 {
signedManifest := m.(*schema1.SignedManifest)
signatures, err := signedManifest.Signatures()
if err != nil {
return nil, err
}
for _, signDigest := range signatures {
image.DockerImageSignatures = append(image.DockerImageSignatures, signDigest)
}
}
err = imageapi.ImageWithMetadata(image)
if err != nil {
return nil, fmt.Errorf("failed to fill image with metadata: %v", err)
}
return image, nil
}
func outputManifestFor(target string) {
var pkey trust.PrivateKey
if key != "" {
var err error
pkey, err = trust.LoadKeyFile(key)
if err != nil {
fmt.Printf("error loading key: %s\n", err.Error())
return
}
}
if verbose {
fmt.Errorf("signing with: %s\n", pkey.KeyID())
}
f, err := os.Open(target)
if err != nil {
fmt.Printf("error opening file: %s\n", err.Error())
return
}
defer func() {
if err := f.Close(); err != nil {
panic(err)
}
}()
var (
repo, tag string
)
layers := LayerMap{}
t := tar.NewReader(bufio.NewReader(f))
for {
hdr, err := t.Next()
if err == io.EOF {
break
}
if strings.HasSuffix(hdr.Name, "layer.tar") {
id := getLayerPrefix(hdr.Name)
sum, _ := blobSumLayer(t)
if _, ok := layers[id]; !ok {
layers[id] = &Layer{Id: id}
} else {
layers[id].BlobSum = sum
}
}
if strings.HasSuffix(hdr.Name, "json") {
data, _ := ioutil.ReadAll(t)
parent, id, _ := getLayerInfo(data)
if _, ok := layers[id]; !ok {
layers[id] = &Layer{Id: id, Parent: parent}
} else {
layers[id].Parent = parent
}
var img image.Image
json.Unmarshal(data, &img)
b, _ := json.Marshal(img)
layers[id].Data = string(b) + "\n"
}
if hdr.Name == "repositories" {
r, _ := ioutil.ReadAll(t)
var raw map[string]interface{}
if err := json.Unmarshal(r, &raw); err != nil {
return
}
repo, tag = getRepoInfo(raw)
if !strings.Contains(repo, "/") {
repo = "library/" + repo
}
}
}
m := manifest.Manifest{
Versioned: versioned.Versioned{
SchemaVersion: 1,
},
Name: repo, Tag: tag, Architecture: "amd64"}
ll := getLayersFromMap(layers)
for _, l := range getLayersInOrder(ll) {
m.FSLayers = append(m.FSLayers, manifest.FSLayer{BlobSum: l.BlobSum})
m.History = append(m.History, manifest.History{V1Compatibility: l.Data})
}
var x []byte
if pkey != nil {
var sm *manifest.SignedManifest
sm, err = manifest.Sign(&m, pkey)
x, err = sm.MarshalJSON()
} else {
x, err = json.MarshalIndent(m, "", " ")
}
if print_digest {
dgstr, _ := digest.FromBytes(x)
fmt.Println(string(dgstr))
}
fmt.Println(string(x))
}
func TestManifestStorage(t *testing.T) {
env := newManifestStoreTestEnv(t, "foo/bar", "thetag")
ctx := context.Background()
ms, err := env.repository.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
exists, err := ms.ExistsByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error checking manifest existence: %v", err)
}
if exists {
t.Fatalf("manifest should not exist")
}
dgsts, err := ms.Enumerate()
if err != nil {
t.Errorf("unexpected error enumerating manifest revisions: %v", err)
} else if len(dgsts) != 0 {
t.Errorf("expected exactly 0 manifests, not %d", len(dgsts))
}
if _, err := ms.GetByTag(env.tag); true {
switch err.(type) {
case distribution.ErrManifestUnknown:
break
default:
t.Fatalf("expected manifest unknown error: %#v", err)
}
}
m := schema1.Manifest{
Versioned: manifest.Versioned{
SchemaVersion: 1,
},
Name: env.name,
Tag: env.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, schema1.FSLayer{
BlobSum: dgst,
})
m.History = append(m.History, schema1.History{
V1Compatibility: "",
})
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating private key: %v", err)
}
sm, merr := schema1.Sign(&m, pk)
if merr != nil {
t.Fatalf("error signing manifest: %v", err)
}
err = ms.Put(sm)
if err == nil {
t.Fatalf("expected errors putting manifest with full verification")
}
switch err := err.(type) {
case distribution.ErrManifestVerification:
if len(err) != 2 {
t.Fatalf("expected 2 verification errors: %#v", err)
}
for _, err := range err {
if _, ok := err.(distribution.ErrManifestBlobUnknown); !ok {
t.Fatalf("unexpected error type: %v", err)
}
}
default:
t.Fatalf("unexpected error verifying manifest: %v", err)
}
// Now, upload the layers that were missing!
for dgst, rs := range testLayers {
wr, err := env.repository.Blobs(env.ctx).Create(env.ctx)
if err != nil {
t.Fatalf("unexpected error creating test upload: %v", err)
}
if _, err := io.Copy(wr, rs); err != nil {
t.Fatalf("unexpected error copying to upload: %v", err)
}
if _, err := wr.Commit(env.ctx, distribution.Descriptor{Digest: dgst}); err != nil {
t.Fatalf("unexpected error finishing upload: %v", err)
}
}
if err = ms.Put(sm); err != nil {
t.Fatalf("unexpected error putting manifest: %v", err)
}
exists, err = ms.ExistsByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error checking manifest existence: %v", err)
}
if !exists {
t.Fatalf("manifest should exist")
}
fetchedManifest, err := ms.GetByTag(env.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)
}
// Now that we have a payload, take a moment to check that the manifest is
// return by the payload digest.
dgst, err := digest.FromBytes(payload)
if err != nil {
t.Fatalf("error getting manifest digest: %v", err)
}
exists, err = ms.Exists(dgst)
if err != nil {
t.Fatalf("error checking manifest existence by digest: %v", err)
}
if !exists {
t.Fatalf("manifest %s should exist", dgst)
}
fetchedByDigest, err := ms.Get(dgst)
if err != nil {
t.Fatalf("unexpected error fetching manifest by digest: %v", err)
}
if !reflect.DeepEqual(fetchedByDigest, fetchedManifest) {
t.Fatalf("fetched manifest not equal: %#v != %#v", fetchedByDigest, fetchedManifest)
}
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)
}
// Enumerate only valid manifest revision digests
dgsts, err = ms.Enumerate()
if err != nil {
t.Errorf("unexpected error enumerating manifest revisions: %v", err)
} else if len(dgsts) != 1 {
t.Errorf("expected exactly 1 manifest, not %d", len(dgsts))
} else if dgsts[0] != dgst {
t.Errorf("got unexpected digest manifest (%s != %s)", dgsts[0], dgst)
}
// Enumerate all digests
if err := EnumerateAllDigests(ms); err != nil {
t.Fatalf("failed to configure enumeration of all digests: %v", err)
}
dgsts, err = ms.Enumerate()
if err != nil {
t.Errorf("unexpected error enumerating manifest revisions: %v", err)
} else {
// _layers contain 2 links per one tarsum blob
expCount := 1 + len(testLayers)*2
if len(dgsts) != expCount {
t.Errorf("unexpected number of returned digests (%d != %d)", len(dgsts), expCount)
}
received := make(map[digest.Digest]struct{})
for _, dgst := range dgsts {
received[dgst] = struct{}{}
}
if _, exists := received[dgst]; !exists {
t.Errorf("expected manifest revision %s to be returned", dgst.String())
}
for dgst := range testLayers {
if _, exists := received[dgst]; !exists {
t.Errorf("expected layer blob %s to be returned", dgst.String())
}
}
}
// 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] != env.tag {
t.Fatalf("unexpected tag found in tags: %v != %v", tags, []string{env.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 := schema1.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(sm2); err != nil {
t.Fatalf("unexpected error putting manifest: %v", err)
}
fetched, err := ms.GetByTag(env.tag)
if err != nil {
t.Fatalf("unexpected error fetching manifest: %v", err)
}
if _, err := schema1.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]))
}
}
// Test deleting manifests
err = ms.Delete(dgst)
if err != nil {
t.Fatalf("unexpected an error deleting manifest by digest: %v", err)
}
exists, err = ms.Exists(dgst)
if err != nil {
t.Fatalf("Error querying manifest existence")
}
if exists {
t.Errorf("Deleted manifest should not exist")
}
deletedManifest, err := ms.Get(dgst)
if err == nil {
t.Errorf("Unexpected success getting deleted manifest")
}
switch err.(type) {
case distribution.ErrManifestUnknownRevision:
break
default:
t.Errorf("Unexpected error getting deleted manifest: %s", reflect.ValueOf(err).Type())
}
if deletedManifest != nil {
t.Errorf("Deleted manifest get returned non-nil")
}
// Re-upload should restore manifest to a good state
err = ms.Put(sm)
if err != nil {
t.Errorf("Error re-uploading deleted manifest")
}
exists, err = ms.Exists(dgst)
if err != nil {
t.Fatalf("Error querying manifest existence")
}
if !exists {
t.Errorf("Restored manifest should exist")
}
deletedManifest, err = ms.Get(dgst)
if err != nil {
t.Errorf("Unexpected error getting manifest")
}
if deletedManifest == nil {
t.Errorf("Deleted manifest get returned non-nil")
}
r, err := NewRegistry(ctx, env.driver, BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider()), EnableRedirect)
if err != nil {
t.Fatalf("error creating registry: %v", err)
}
repo, err := r.Repository(ctx, env.name)
if err != nil {
t.Fatalf("unexpected error getting repo: %v", err)
}
ms, err = repo.Manifests(ctx)
if err != nil {
t.Fatal(err)
}
err = ms.Delete(dgst)
if err == nil {
t.Errorf("Unexpected success deleting while disabled")
}
}