// proxyStat attempts to locate the digest in the provided remote repository or returns an error. If the digest is found,
// r.digestToStore saves the store.
func (r *pullthroughBlobStore) proxyStat(ctx context.Context, retriever importer.RepositoryRetriever, ref imageapi.DockerImageReference, dgst digest.Digest) (distribution.Descriptor, error) {
context.GetLogger(r.repo.ctx).Infof("Trying to stat %q from %q", dgst, ref.Exact())
repo, err := retriever.Repository(ctx, ref.RegistryURL(), ref.RepositoryName(), false)
if err != nil {
context.GetLogger(r.repo.ctx).Errorf("Error getting remote repository for image %q: %v", ref.Exact(), err)
return distribution.Descriptor{}, err
}
pullthroughBlobStore := repo.Blobs(ctx)
desc, err := pullthroughBlobStore.Stat(r.repo.ctx, dgst)
if err != nil {
if err != distribution.ErrBlobUnknown {
context.GetLogger(r.repo.ctx).Errorf("Error getting pullthroughBlobStore for image %q: %v", ref.Exact(), err)
}
return distribution.Descriptor{}, err
}
r.digestToStore[dgst.String()] = pullthroughBlobStore
return desc, nil
}