metadata

type FSMetadataStore struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

type Store interface {
	// Get retrieves data by namespace and key.
	Get(namespace string, key string) ([]byte, error)
	// Set writes data indexed by namespace and key.
	Set(namespace, key string, value []byte) error
	// Delete removes data indexed by namespace and key.
	Delete(namespace, key string) error
}

type V2Metadata struct {
	Digest           digest.Digest
	SourceRepository string
	// HMAC hashes above attributes with recent authconfig digest used as a key in order to determine matching
	// metadata entries accompanied by the same credentials without actually exposing them.
	HMAC string
}

type V2MetadataService interface {
	GetMetadata(diffID layer.DiffID) ([]V2Metadata, error)
	GetDiffID(dgst digest.Digest) (layer.DiffID, error)
	Add(diffID layer.DiffID, metadata V2Metadata) error
	TagAndAdd(diffID layer.DiffID, hmacKey []byte, metadata V2Metadata) error
	Remove(metadata V2Metadata) error
}