adding some support for annotations at the manifest level
Signed-off-by: Mike Brown <brownwm@us.ibm.com>
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ec2aa05cdf
commit
f186e1da1c
3 changed files with 28 additions and 10 deletions
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@ -18,15 +18,19 @@ type builder struct {
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// layers is a list of layer descriptors that gets built by successive
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// calls to AppendReference.
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layers []distribution.Descriptor
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// Annotations contains arbitrary metadata relating to the targeted content.
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annotations map[string]string
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}
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// NewManifestBuilder is used to build new manifests for the current schema
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// version. It takes a BlobService so it can publish the configuration blob
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// as part of the Build process.
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func NewManifestBuilder(bs distribution.BlobService, configJSON []byte) distribution.ManifestBuilder {
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// as part of the Build process, and annotations.
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func NewManifestBuilder(bs distribution.BlobService, configJSON []byte, annotations map[string]string) distribution.ManifestBuilder {
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mb := &builder{
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bs: bs,
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configJSON: make([]byte, len(configJSON)),
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bs: bs,
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configJSON: make([]byte, len(configJSON)),
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annotations: annotations,
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}
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copy(mb.configJSON, configJSON)
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@ -36,8 +40,9 @@ func NewManifestBuilder(bs distribution.BlobService, configJSON []byte) distribu
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// Build produces a final manifest from the given references.
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func (mb *builder) Build(ctx context.Context) (distribution.Manifest, error) {
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m := Manifest{
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Versioned: SchemaVersion,
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Layers: make([]distribution.Descriptor, len(mb.layers)),
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Versioned: SchemaVersion,
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Layers: make([]distribution.Descriptor, len(mb.layers)),
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Annotations: mb.annotations,
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}
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copy(m.Layers, mb.layers)
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@ -88,6 +88,9 @@ func TestBuilder(t *testing.T) {
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],
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"type": "layers"
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},
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"annotations": {
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"hot": "potato"
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}
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"history": [
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{
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"created": "2015-10-31T22:22:54.690851953Z",
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@ -120,9 +123,10 @@ func TestBuilder(t *testing.T) {
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MediaType: v1.MediaTypeImageLayerGzip,
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},
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}
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annotations := map[string]string{"hot": "potato"}
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bs := &mockBlobService{descriptors: make(map[digest.Digest]distribution.Descriptor)}
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builder := NewManifestBuilder(bs, imgJSON)
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builder := NewManifestBuilder(bs, imgJSON, annotations)
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for _, d := range descriptors {
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if err := builder.AppendReference(d); err != nil {
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@ -142,6 +146,9 @@ func TestBuilder(t *testing.T) {
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}
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manifest := built.(*DeserializedManifest).Manifest
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if manifest.Annotations["hot"] != "potato" {
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t.Fatalf("unexpected annotation in manifest: %s", manifest.Annotations["hot"])
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}
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if manifest.Versioned.SchemaVersion != 2 {
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t.Fatal("SchemaVersion != 2")
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@ -154,7 +161,7 @@ func TestBuilder(t *testing.T) {
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if target.MediaType != v1.MediaTypeImageConfig {
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t.Fatalf("unexpected media type in target: %s", target.MediaType)
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}
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if target.Size != 1582 {
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if target.Size != 1632 {
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t.Fatalf("unexpected size in target: %d", target.Size)
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}
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@ -10,7 +10,6 @@ import (
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"github.com/opencontainers/image-spec/specs-go/v1"
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)
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// TODO (mikebrow): add annotations to the test
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var expectedManifestSerialization = []byte(`{
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"schemaVersion": 2,
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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@ -31,7 +30,10 @@ var expectedManifestSerialization = []byte(`{
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"lettuce": "wrap"
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}
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}
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]
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],
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"annotations": {
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"hot": "potato"
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}
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}`)
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func TestManifest(t *testing.T) {
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@ -51,6 +53,7 @@ func TestManifest(t *testing.T) {
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Annotations: map[string]string{"lettuce": "wrap"},
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},
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},
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Annotations: map[string]string{"hot": "potato"},
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}
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deserialized, err := FromStruct(manifest)
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@ -87,6 +90,9 @@ func TestManifest(t *testing.T) {
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if !reflect.DeepEqual(&unmarshalled, deserialized) {
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t.Fatalf("manifests are different after unmarshaling: %v != %v", unmarshalled, *deserialized)
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}
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if deserialized.Annotations["hot"] != "potato" {
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t.Fatalf("unexpected annotation in manifest: %s", deserialized.Annotations["hot"])
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}
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target := deserialized.Target()
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if target.Digest != "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b" {
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