Migrate data back to Image in preparation for v2

initdb.py

@@ -99,9 +99,16 @@ def __create_subtree(repo, structure, creator_username, parent, tag_map):
     creation_time = REFERENCE_DATE + timedelta(weeks=image_num) + timedelta(days=model_num)
     command_list = SAMPLE_CMDS[image_num % len(SAMPLE_CMDS)]
     command = json.dumps(command_list) if command_list else None
+
+    v1_metadata = {
+      'id': docker_image_id,
+    }
+    if parent is not None:
+      v1_metadata['parent'] = parent.docker_image_id
+
     new_image = model.image.set_image_metadata(docker_image_id, repo.namespace_user.username,
                                                repo.name, str(creation_time), 'no comment', command,
-                                               parent)
+                                               v1_metadata, parent)
 
     compressed_size = random.randrange(1, 1024 * 1024 * 1024)
     model.image.set_image_size(docker_image_id, repo.namespace_user.username, repo.name,