forked from TrueCloudLab/distribution
999527f978
We need to use this for backward compatibility. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
576 lines
18 KiB
Go
576 lines
18 KiB
Go
package storage
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import (
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"bytes"
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"context"
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"io"
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"reflect"
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"testing"
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"github.com/distribution/distribution/v3"
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"github.com/distribution/distribution/v3/manifest"
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"github.com/distribution/distribution/v3/manifest/manifestlist"
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"github.com/distribution/distribution/v3/manifest/ocischema"
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"github.com/distribution/distribution/v3/manifest/schema1" //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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"github.com/distribution/distribution/v3/reference"
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"github.com/distribution/distribution/v3/registry/storage/cache/memory"
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"github.com/distribution/distribution/v3/registry/storage/driver"
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"github.com/distribution/distribution/v3/registry/storage/driver/inmemory"
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"github.com/distribution/distribution/v3/testutil"
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"github.com/docker/libtrust"
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"github.com/opencontainers/go-digest"
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v1 "github.com/opencontainers/image-spec/specs-go/v1"
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)
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type manifestStoreTestEnv struct {
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ctx context.Context
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driver driver.StorageDriver
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registry distribution.Namespace
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repository distribution.Repository
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name reference.Named
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tag string
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}
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func newManifestStoreTestEnv(t *testing.T, name reference.Named, tag string, options ...RegistryOption) *manifestStoreTestEnv {
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ctx := context.Background()
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drvr := inmemory.New()
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registry, err := NewRegistry(ctx, drvr, options...)
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if err != nil {
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t.Fatalf("error creating registry: %v", err)
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}
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repo, err := registry.Repository(ctx, name)
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if err != nil {
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t.Fatalf("unexpected error getting repo: %v", err)
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}
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return &manifestStoreTestEnv{
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ctx: ctx,
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driver: drvr,
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registry: registry,
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repository: repo,
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name: name,
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tag: tag,
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}
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}
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func TestManifestStorage(t *testing.T) {
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k, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatal(err)
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}
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testManifestStorage(t, true, BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider(memory.UnlimitedSize)), EnableDelete, EnableRedirect, Schema1SigningKey(k), EnableSchema1)
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}
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func TestManifestStorageV1Unsupported(t *testing.T) {
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k, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatal(err)
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}
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testManifestStorage(t, false, BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider(memory.UnlimitedSize)), EnableDelete, EnableRedirect, Schema1SigningKey(k))
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}
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func testManifestStorage(t *testing.T, schema1Enabled bool, options ...RegistryOption) {
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repoName, _ := reference.WithName("foo/bar")
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env := newManifestStoreTestEnv(t, repoName, "thetag", options...)
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ctx := context.Background()
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ms, err := env.repository.Manifests(ctx)
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if err != nil {
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t.Fatal(err)
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}
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m := schema1.Manifest{ //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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Versioned: manifest.Versioned{
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SchemaVersion: 1,
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},
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Name: env.name.Name(),
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Tag: env.tag,
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}
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// Build up some test layers and add them to the manifest, saving the
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// readseekers for upload later.
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testLayers := map[digest.Digest]io.ReadSeeker{}
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for i := 0; i < 2; i++ {
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rs, dgst, err := testutil.CreateRandomTarFile()
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if err != nil {
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t.Fatalf("unexpected error generating test layer file")
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}
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testLayers[dgst] = rs
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m.FSLayers = append(m.FSLayers, schema1.FSLayer{ //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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BlobSum: dgst,
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})
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m.History = append(m.History, schema1.History{ //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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V1Compatibility: "",
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})
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}
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pk, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatalf("unexpected error generating private key: %v", err)
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}
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sm, merr := schema1.Sign(&m, pk) //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if merr != nil {
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t.Fatalf("error signing manifest: %v", err)
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}
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_, err = ms.Put(ctx, sm)
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if err == nil {
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t.Fatalf("expected errors putting manifest with full verification")
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}
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// If schema1 is not enabled, do a short version of this test, just checking
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// if we get the right error when we Put
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if !schema1Enabled {
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if err != distribution.ErrSchemaV1Unsupported {
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t.Fatalf("got the wrong error when schema1 is disabled: %s", err)
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}
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return
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}
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switch err := err.(type) {
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case distribution.ErrManifestVerification:
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if len(err) != 2 {
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t.Fatalf("expected 2 verification errors: %#v", err)
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}
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for _, err := range err {
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if _, ok := err.(distribution.ErrManifestBlobUnknown); !ok {
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t.Fatalf("unexpected error type: %v", err)
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}
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}
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default:
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t.Fatalf("unexpected error verifying manifest: %v", err)
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}
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// Now, upload the layers that were missing!
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for dgst, rs := range testLayers {
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wr, err := env.repository.Blobs(env.ctx).Create(env.ctx)
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if err != nil {
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t.Fatalf("unexpected error creating test upload: %v", err)
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}
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if _, err := io.Copy(wr, rs); err != nil {
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t.Fatalf("unexpected error copying to upload: %v", err)
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}
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if _, err := wr.Commit(env.ctx, distribution.Descriptor{Digest: dgst}); err != nil {
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t.Fatalf("unexpected error finishing upload: %v", err)
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}
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}
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var manifestDigest digest.Digest
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if manifestDigest, err = ms.Put(ctx, sm); err != nil {
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t.Fatalf("unexpected error putting manifest: %v", err)
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}
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exists, err := ms.Exists(ctx, manifestDigest)
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if err != nil {
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t.Fatalf("unexpected error checking manifest existence: %#v", err)
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}
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if !exists {
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t.Fatalf("manifest should exist")
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}
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fromStore, err := ms.Get(ctx, manifestDigest)
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if err != nil {
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t.Fatalf("unexpected error fetching manifest: %v", err)
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}
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fetchedManifest, ok := fromStore.(*schema1.SignedManifest) //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if !ok {
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t.Fatalf("unexpected manifest type from signedstore")
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}
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if !bytes.Equal(fetchedManifest.Canonical, sm.Canonical) {
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t.Fatalf("fetched payload does not match original payload: %q != %q", fetchedManifest.Canonical, sm.Canonical)
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}
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_, pl, err := fetchedManifest.Payload() //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if err != nil {
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t.Fatalf("error getting payload %#v", err)
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}
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fetchedJWS, err := libtrust.ParsePrettySignature(pl, "signatures")
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if err != nil {
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t.Fatalf("unexpected error parsing jws: %v", err)
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}
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payload, err := fetchedJWS.Payload()
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if err != nil {
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t.Fatalf("unexpected error extracting payload: %v", err)
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}
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// Now that we have a payload, take a moment to check that the manifest is
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// return by the payload digest.
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dgst := digest.FromBytes(payload)
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exists, err = ms.Exists(ctx, dgst)
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if err != nil {
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t.Fatalf("error checking manifest existence by digest: %v", err)
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}
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if !exists {
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t.Fatalf("manifest %s should exist", dgst)
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}
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fetchedByDigest, err := ms.Get(ctx, dgst)
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if err != nil {
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t.Fatalf("unexpected error fetching manifest by digest: %v", err)
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}
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byDigestManifest, ok := fetchedByDigest.(*schema1.SignedManifest) //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if !ok {
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t.Fatalf("unexpected manifest type from signedstore")
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}
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if !bytes.Equal(byDigestManifest.Canonical, fetchedManifest.Canonical) {
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t.Fatalf("fetched manifest not equal: %q != %q", byDigestManifest.Canonical, fetchedManifest.Canonical)
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}
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sigs, err := fetchedJWS.Signatures()
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if err != nil {
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t.Fatalf("unable to extract signatures: %v", err)
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}
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if len(sigs) != 1 {
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t.Fatalf("unexpected number of signatures: %d != %d", len(sigs), 1)
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}
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// Now, push the same manifest with a different key
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pk2, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatalf("unexpected error generating private key: %v", err)
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}
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sm2, err := schema1.Sign(&m, pk2) //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if err != nil {
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t.Fatalf("unexpected error signing manifest: %v", err)
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}
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_, pl, err = sm2.Payload() //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if err != nil {
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t.Fatalf("error getting payload %#v", err)
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}
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jws2, err := libtrust.ParsePrettySignature(pl, "signatures")
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if err != nil {
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t.Fatalf("error parsing signature: %v", err)
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}
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sigs2, err := jws2.Signatures()
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if err != nil {
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t.Fatalf("unable to extract signatures: %v", err)
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}
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if len(sigs2) != 1 {
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t.Fatalf("unexpected number of signatures: %d != %d", len(sigs2), 1)
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}
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if manifestDigest, err = ms.Put(ctx, sm2); err != nil {
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t.Fatalf("unexpected error putting manifest: %v", err)
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}
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fromStore, err = ms.Get(ctx, manifestDigest)
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if err != nil {
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t.Fatalf("unexpected error fetching manifest: %v", err)
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}
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fetched, ok := fromStore.(*schema1.SignedManifest) //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if !ok {
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t.Fatalf("unexpected type from signed manifeststore : %T", fetched)
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}
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if _, err := schema1.Verify(fetched); err != nil { //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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t.Fatalf("unexpected error verifying manifest: %v", err)
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}
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_, pl, err = fetched.Payload() //nolint:staticcheck // Ignore SA1019: "github.com/distribution/distribution/v3/manifest/schema1" is deprecated, as it's used for backward compatibility.
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if err != nil {
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t.Fatalf("error getting payload %#v", err)
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}
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receivedJWS, err := libtrust.ParsePrettySignature(pl, "signatures")
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if err != nil {
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t.Fatalf("unexpected error parsing jws: %v", err)
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}
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receivedPayload, err := receivedJWS.Payload()
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if err != nil {
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t.Fatalf("unexpected error extracting received payload: %v", err)
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}
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if !bytes.Equal(receivedPayload, payload) {
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t.Fatalf("payloads are not equal")
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}
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// Test deleting manifests
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err = ms.Delete(ctx, dgst)
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if err != nil {
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t.Fatalf("unexpected an error deleting manifest by digest: %v", err)
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}
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exists, err = ms.Exists(ctx, dgst)
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if err != nil {
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t.Fatalf("Error querying manifest existence")
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}
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if exists {
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t.Errorf("Deleted manifest should not exist")
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}
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deletedManifest, err := ms.Get(ctx, dgst)
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if err == nil {
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t.Errorf("Unexpected success getting deleted manifest")
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}
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switch err.(type) {
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case distribution.ErrManifestUnknownRevision:
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break
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default:
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t.Errorf("Unexpected error getting deleted manifest: %s", reflect.ValueOf(err).Type())
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}
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if deletedManifest != nil {
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t.Errorf("Deleted manifest get returned non-nil")
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}
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// Re-upload should restore manifest to a good state
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_, err = ms.Put(ctx, sm)
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if err != nil {
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t.Errorf("Error re-uploading deleted manifest")
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}
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exists, err = ms.Exists(ctx, dgst)
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if err != nil {
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t.Fatalf("Error querying manifest existence")
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}
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if !exists {
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t.Errorf("Restored manifest should exist")
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}
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deletedManifest, err = ms.Get(ctx, dgst)
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if err != nil {
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t.Errorf("Unexpected error getting manifest")
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}
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if deletedManifest == nil {
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t.Errorf("Deleted manifest get returned non-nil")
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}
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r, err := NewRegistry(ctx, env.driver, BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider(memory.UnlimitedSize)), EnableRedirect)
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if err != nil {
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t.Fatalf("error creating registry: %v", err)
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}
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repo, err := r.Repository(ctx, env.name)
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if err != nil {
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t.Fatalf("unexpected error getting repo: %v", err)
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}
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ms, err = repo.Manifests(ctx)
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if err != nil {
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t.Fatal(err)
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}
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err = ms.Delete(ctx, dgst)
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if err == nil {
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t.Errorf("Unexpected success deleting while disabled")
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}
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}
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func TestOCIManifestStorage(t *testing.T) {
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testOCIManifestStorage(t, "includeMediaTypes=true", true)
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testOCIManifestStorage(t, "includeMediaTypes=false", false)
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}
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func testOCIManifestStorage(t *testing.T, testname string, includeMediaTypes bool) {
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var imageMediaType string
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var indexMediaType string
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if includeMediaTypes {
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imageMediaType = v1.MediaTypeImageManifest
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indexMediaType = v1.MediaTypeImageIndex
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} else {
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imageMediaType = ""
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indexMediaType = ""
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}
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repoName, _ := reference.WithName("foo/bar")
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env := newManifestStoreTestEnv(t, repoName, "thetag",
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BlobDescriptorCacheProvider(memory.NewInMemoryBlobDescriptorCacheProvider(memory.UnlimitedSize)),
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EnableDelete, EnableRedirect)
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ctx := context.Background()
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ms, err := env.repository.Manifests(ctx)
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if err != nil {
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t.Fatal(err)
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}
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// Build a manifest and store it and its layers in the registry
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blobStore := env.repository.Blobs(ctx)
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builder := ocischema.NewManifestBuilder(blobStore, []byte{}, map[string]string{})
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err = builder.(*ocischema.Builder).SetMediaType(imageMediaType)
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if err != nil {
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t.Fatal(err)
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}
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// Add some layers
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for i := 0; i < 2; i++ {
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rs, dgst, err := testutil.CreateRandomTarFile()
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if err != nil {
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t.Fatalf("%s: unexpected error generating test layer file", testname)
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}
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wr, err := env.repository.Blobs(env.ctx).Create(env.ctx)
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if err != nil {
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t.Fatalf("%s: unexpected error creating test upload: %v", testname, err)
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}
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if _, err := io.Copy(wr, rs); err != nil {
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t.Fatalf("%s: unexpected error copying to upload: %v", testname, err)
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}
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if _, err := wr.Commit(env.ctx, distribution.Descriptor{Digest: dgst}); err != nil {
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t.Fatalf("%s: unexpected error finishing upload: %v", testname, err)
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}
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builder.AppendReference(distribution.Descriptor{Digest: dgst})
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}
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mfst, err := builder.Build(ctx)
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if err != nil {
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t.Fatalf("%s: unexpected error generating manifest: %v", testname, err)
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}
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// before putting the manifest test for proper handling of SchemaVersion
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if mfst.(*ocischema.DeserializedManifest).Manifest.SchemaVersion != 2 {
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t.Fatalf("%s: unexpected error generating default version for oci manifest", testname)
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}
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mfst.(*ocischema.DeserializedManifest).Manifest.SchemaVersion = 0
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var manifestDigest digest.Digest
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if manifestDigest, err = ms.Put(ctx, mfst); err != nil {
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if err.Error() != "unrecognized manifest schema version 0" {
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t.Fatalf("%s: unexpected error putting manifest: %v", testname, err)
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}
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mfst.(*ocischema.DeserializedManifest).Manifest.SchemaVersion = 2
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if manifestDigest, err = ms.Put(ctx, mfst); err != nil {
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t.Fatalf("%s: unexpected error putting manifest: %v", testname, err)
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}
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}
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// Also create an image index that contains the manifest
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descriptor, err := env.registry.BlobStatter().Stat(ctx, manifestDigest)
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if err != nil {
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t.Fatalf("%s: unexpected error getting manifest descriptor", testname)
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}
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descriptor.MediaType = v1.MediaTypeImageManifest
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platformSpec := manifestlist.PlatformSpec{
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Architecture: "atari2600",
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OS: "CP/M",
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}
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manifestDescriptors := []manifestlist.ManifestDescriptor{
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{
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Descriptor: descriptor,
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Platform: platformSpec,
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},
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}
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imageIndex, err := manifestlist.FromDescriptorsWithMediaType(manifestDescriptors, indexMediaType)
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if err != nil {
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t.Fatalf("%s: unexpected error creating image index: %v", testname, err)
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}
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var indexDigest digest.Digest
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if indexDigest, err = ms.Put(ctx, imageIndex); err != nil {
|
|
t.Fatalf("%s: unexpected error putting image index: %v", testname, err)
|
|
}
|
|
|
|
// Now check that we can retrieve the manifest
|
|
|
|
fromStore, err := ms.Get(ctx, manifestDigest)
|
|
if err != nil {
|
|
t.Fatalf("%s: unexpected error fetching manifest: %v", testname, err)
|
|
}
|
|
|
|
fetchedManifest, ok := fromStore.(*ocischema.DeserializedManifest)
|
|
if !ok {
|
|
t.Fatalf("%s: unexpected type for fetched manifest", testname)
|
|
}
|
|
|
|
if fetchedManifest.MediaType != imageMediaType {
|
|
t.Fatalf("%s: unexpected MediaType for result, %s", testname, fetchedManifest.MediaType)
|
|
}
|
|
|
|
if fetchedManifest.SchemaVersion != ocischema.SchemaVersion.SchemaVersion {
|
|
t.Fatalf("%s: unexpected schema version for result, %d", testname, fetchedManifest.SchemaVersion)
|
|
}
|
|
|
|
payloadMediaType, _, err := fromStore.Payload()
|
|
if err != nil {
|
|
t.Fatalf("%s: error getting payload %v", testname, err)
|
|
}
|
|
|
|
if payloadMediaType != v1.MediaTypeImageManifest {
|
|
t.Fatalf("%s: unexpected MediaType for manifest payload, %s", testname, payloadMediaType)
|
|
}
|
|
|
|
// and the image index
|
|
|
|
fromStore, err = ms.Get(ctx, indexDigest)
|
|
if err != nil {
|
|
t.Fatalf("%s: unexpected error fetching image index: %v", testname, err)
|
|
}
|
|
|
|
fetchedIndex, ok := fromStore.(*manifestlist.DeserializedManifestList)
|
|
if !ok {
|
|
t.Fatalf("%s: unexpected type for fetched manifest", testname)
|
|
}
|
|
|
|
if fetchedIndex.MediaType != indexMediaType {
|
|
t.Fatalf("%s: unexpected MediaType for result, %s", testname, fetchedIndex.MediaType)
|
|
}
|
|
|
|
payloadMediaType, _, err = fromStore.Payload()
|
|
if err != nil {
|
|
t.Fatalf("%s: error getting payload %v", testname, err)
|
|
}
|
|
|
|
if payloadMediaType != v1.MediaTypeImageIndex {
|
|
t.Fatalf("%s: unexpected MediaType for index payload, %s", testname, payloadMediaType)
|
|
}
|
|
}
|
|
|
|
// TestLinkPathFuncs ensures that the link path functions behavior are locked
|
|
// down and implemented as expected.
|
|
func TestLinkPathFuncs(t *testing.T) {
|
|
for _, testcase := range []struct {
|
|
repo string
|
|
digest digest.Digest
|
|
linkPathFn linkPathFunc
|
|
expected string
|
|
}{
|
|
{
|
|
repo: "foo/bar",
|
|
digest: "sha256:deadbeaf98fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
|
|
linkPathFn: blobLinkPath,
|
|
expected: "/docker/registry/v2/repositories/foo/bar/_layers/sha256/deadbeaf98fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/link",
|
|
},
|
|
{
|
|
repo: "foo/bar",
|
|
digest: "sha256:deadbeaf98fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
|
|
linkPathFn: manifestRevisionLinkPath,
|
|
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/revisions/sha256/deadbeaf98fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855/link",
|
|
},
|
|
} {
|
|
p, err := testcase.linkPathFn(testcase.repo, testcase.digest)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error calling linkPathFn(pm, %q, %q): %v", testcase.repo, testcase.digest, err)
|
|
}
|
|
|
|
if p != testcase.expected {
|
|
t.Fatalf("incorrect path returned: %q != %q", p, testcase.expected)
|
|
}
|
|
}
|
|
}
|