API: report multiple digests for images

Be prepared to report multiple image digests for images which contain
multiple manifests but, because they continue to have the same set of
layers and the same configuration, are considered to be the same image.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go
index fef3986f1..12bf550f2 100644
--- a/pkg/adapter/runtime_remote.go
+++ b/pkg/adapter/runtime_remote.go
@@ -146,6 +146,7 @@ type remoteImage struct {
 	InputName   string
 	Names       []string
 	Digest      digest.Digest
+	Digests     []digest.Digest
 	isParent    bool
 	Runtime     *LocalRuntime
 	TopLayer    string
@@ -226,10 +227,15 @@ func imageInListToContainerImage(i iopodman.Image, name string, runtime *LocalRu
 	if err != nil {
 		return nil, err
 	}
+	var digests []digest.Digest
+	for _, d := range i.Digests {
+		digests = append(digests, digest.Digest(d))
+	}
 	ri := remoteImage{
 		InputName:   name,
 		ID:          i.Id,
 		Digest:      digest.Digest(i.Digest),
+		Digests:     digests,
 		Labels:      i.Labels,
 		RepoTags:    i.RepoTags,
 		RepoDigests: i.RepoTags,
@@ -352,6 +358,11 @@ func (ci *ContainerImage) Digest() digest.Digest {
 	return ci.remoteImage.Digest
 }
 
+// Digests returns the image's digests
+func (ci *ContainerImage) Digests() []digest.Digest {
+	return append([]digest.Digest{}, ci.remoteImage.Digests...)
+}
+
 // Labels returns a map of the image's labels
 func (ci *ContainerImage) Labels(ctx context.Context) (map[string]string, error) {
 	return ci.remoteImage.Labels, nil