add region to metadata

Change-Id: I45f80601750f4df41c15ca52ea67174a29815b98
diff --git a/metadata/service/control/container.yml b/metadata/service/control/container.yml
index 0ea8b07..f8d0f98 100644
--- a/metadata/service/control/container.yml
+++ b/metadata/service/control/container.yml
@@ -30,6 +30,7 @@
                   port: 35357
                   user: glance
                   password: ${_param:keystone_glance_password}
+                  region: RegionOne
                   tenant: service
                 message_queue:
                   engine: rabbitmq