Switch the checksums to use the registry computed value, remove all assumptions of namespaced paths for legacy storage, fix an upload race condition in the registry code.

initdb.py

@@ -70,10 +70,10 @@ def __create_subtree(repo, structure, creator_username, parent):
     new_image = model.find_create_or_link_image(docker_image_id, repo, None,
                                                 {})
     new_image.storage.uuid = IMAGE_UUIDS[image_num % len(IMAGE_UUIDS)]
+    new_image.storage.uploading = False
+    new_image.storage.checksum = checksum
     new_image.storage.save()
 
-    model.set_image_checksum(docker_image_id, repo, checksum)
-
     creation_time = REFERENCE_DATE + timedelta(days=image_num)
     command_list = SAMPLE_CMDS[image_num % len(SAMPLE_CMDS)]
     command = json.dumps(command_list) if command_list else None
@@ -85,9 +85,7 @@ def __create_subtree(repo, structure, creator_username, parent):
                          random.randrange(1, 1024 * 1024 * 1024))
 
     # Populate the diff file
-    diff_path = store.image_file_diffs_path(repo.namespace, repo.name,
-                                            docker_image_id,
-                                            new_image.storage.uuid)
+    diff_path = store.image_file_diffs_path(new_image.storage.uuid)
     source_diff = SAMPLE_DIFFS[image_num % len(SAMPLE_DIFFS)]
 
     with open(source_diff, 'r') as source_file: