swarmbucket: add $project template parameter

appengine/cr-buildbucket/acl.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Access control list implementation.
 
 See Acl message in proto/project_config.proto.
 """
 
 import collections
@@ skipping 97 matching lines @@
   """True if current identity has any of |roles| in |bucket|."""
   assert bucket
   assert roles
   errors.validate_bucket_name(bucket)
   roles = set(roles)
   assert roles.issubset(project_config_pb2.Acl.Role.values())
 
   if auth.is_admin():
     raise ndb.Return(True)
 
-  bucket_cfg = yield config.get_bucket_async(bucket)
+  _, bucket_cfg = yield config.get_bucket_async(bucket)
   identity_str = auth.get_current_identity().to_bytes()
   if bucket_cfg:
     for rule in bucket_cfg.acls:
       if rule.role not in roles:
         continue
       if rule.identity == identity_str:
         raise ndb.Return(True)
       if rule.group and auth.is_group_member(rule.group):
         raise ndb.Return(True)
   raise ndb.Return(False)
@@ skipping 56 matching lines @@
   memcache.set(cache_key, available_buckets, 10 * 60)
   return available_buckets
 
 
 def current_identity_cannot(action_format, *args):  # pragma: no cover
   """Returns AuthorizationError."""
   action = action_format % args
   msg = 'User %s cannot %s' % (auth.get_current_identity().to_bytes(), action)
   logging.warning(msg)
   return auth.AuthorizationError(msg)