Enable storage replication for V2 and add backfill tool

Fixes #1501

endpoints/v1/registry.py

@@ -1,13 +1,12 @@
 import logging
 import json
-import features
 
 from flask import make_response, request, session, Response, redirect, abort as flask_abort
 from functools import wraps
 from datetime import datetime
 from time import time
 
-from app import storage as store, image_replication_queue, app
+from app import storage as store, app
 from auth.auth import process_auth, extract_namespace_repo_from_session
 from auth.auth_context import get_authenticated_user
 from auth.registry_jwt_auth import get_granted_username
@@ -21,6 +20,7 @@ from util.registry import gzipstream
 from util.registry.torrent import PieceHasher
 from endpoints.v1 import v1_bp
 from endpoints.decorators import anon_protect
+from util.registry.replication import queue_storage_replication
 
 
 logger = logging.getLogger(__name__)
@@ -43,12 +43,7 @@ def _finish_image(namespace, repository, repo_image):
   set_uploading_flag(repo_image, False)
 
   # Send a job to the work queue to replicate the image layer.
-  if features.STORAGE_REPLICATION:
-    repo = model.repository.get_repository(namespace, repository)
-    image_replication_queue.put([repo_image.storage.uuid], json.dumps({
-      'namespace_user_id': repo.namespace_user.id,
-      'storage_id': repo_image.storage.uuid,
-    }))
+  queue_storage_replication(namespace, repo_image.storage)
 
 
 def require_completion(f):