add region to metadata

Change-Id: I45f80601750f4df41c15ca52ea67174a29815b98
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index 9fabdc4..463a426 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -29,6 +29,7 @@
         port: 35357
         user: glance
         password: ${_param:keystone_glance_password}
+        region: RegionOne
         tenant: service
       message_queue:
         engine: rabbitmq