Merge remote-tracking branch 'upstream/master' into python-registry-v2

data/model/tag.py

@@ -13,6 +13,20 @@ def _tag_alive(query, now_ts=None):
                      (RepositoryTag.lifetime_end_ts > now_ts))
 
 
+def get_matching_tags(docker_image_id, storage_uuid, *args):
+  """ Returns a query pointing to all tags that contain the image with the
+      given docker_image_id and storage_uuid. """
+  image_query = image.get_repository_image_and_deriving(docker_image_id, storage_uuid)
+
+  return (RepositoryTag
+            .select(*args)
+            .distinct()
+            .join(Image)
+            .join(ImageStorage)
+            .where(Image.id << image_query, RepositoryTag.lifetime_end_ts >> None,
+                   RepositoryTag.hidden == False))
+
+
 def list_repository_tags(namespace_name, repository_name, include_hidden=False,
                          include_storage=False):
   to_select = (RepositoryTag, Image)