Sync periodic_task module from oslo-incubator

The periodic_task module hasn't been sync'd since the middle of the
Juno release cycle.  This patch brings it up to date with the
latest oslo-incubator code.

Current HEAD in OSLO:
---------------------
commit 36b0e8570b449129d6d474c03b02ceb62edb78df
Date:   Thu Dec 11 11:27:08 2014 +0100
We shouldn't replace `oslo-incubator` in comments

Changes merged with this patch:
---------------------
5d40e143 - Remove code that moved to oslo.i18n
a3220c51 - add list_opts to all modules with configuration options

Change-Id: I0d68ba54617be550244969b7672e95158126f64a

diff --git a/cinder/openstack/common/periodic_task.py b/cinder/openstack/common/periodic_task.py
index c4a2bd37fab1fb080558f5226e8e9303890e303c..f05bca10bdc6ca4a5f43840ec9746471aaff9566 100644 (file)
--- a/cinder/openstack/common/periodic_task.py
+++ b/cinder/openstack/common/periodic_task.py
@@ -11,13 +11,14 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import copy
 import random
 import time
 
 from oslo.config import cfg
 import six
 
-from cinder.openstack.common.gettextutils import _, _LE, _LI
+from cinder.openstack.common._i18n import _, _LE, _LI
 from cinder.openstack.common import log as logging
 
 
@@ -36,6 +37,11 @@ LOG = logging.getLogger(__name__)
 DEFAULT_INTERVAL = 60.0
 
 
+def list_opts():
+    """Entry point for oslo.config-generator."""
+    return [(None, copy.deepcopy(periodic_opts))]
+
+
 class InvalidPeriodicTaskArg(Exception):
     message = _("Unexpected argument for periodic task creation: %(arg)s.")