Change build component labeling to use new registry interface

data/registry_model/interface.py

@@ -19,3 +19,21 @@ class RegistryDataInterface(object):
     """ Returns the most recently pushed alive tag in the repository, if any. If none, returns
         None.
     """
+
+  @abstractmethod
+  def lookup_repository(self, namespace_name, repo_name, kind_filter=None):
+    """ Looks up and returns a reference to the repository with the given namespace and name,
+        or None if none. """
+
+  @abstractmethod
+  def get_manifest_for_tag(self, tag):
+    """ Returns the manifest associated with the given tag. """
+
+  @abstractmethod
+  def lookup_manifest_by_digest(self, repository_ref, manifest_digest, allow_dead=False):
+    """ Looks up the manifest with the given digest under the given repository and returns it
+        or None if none. """
+
+  @abstractmethod
+  def create_manifest_label(self, manifest, key, value, source_type_name, media_type_name=None):
+    """ Creates a label on the manifest with the given key and value. """