Fix region for glance,manila,heat

Change-Id: I50a670ec5c0fcc097893552f151b837426e6a738
diff --git a/manila/common/cluster.yml b/manila/common/cluster.yml
index 8763903..d71364e 100644
--- a/manila/common/cluster.yml
+++ b/manila/common/cluster.yml
@@ -22,7 +22,7 @@
         password: ${_param:mysql_manila_password}
       identity:
         engine: keystone
-        region: RegionOne
+        region: ${_param:openstack_region}
         host: ${_param:cluster_vip_address}
         port: 35357
         user: manila
diff --git a/manila/common/single.yml b/manila/common/single.yml
index 362338f..1b139c2 100644
--- a/manila/common/single.yml
+++ b/manila/common/single.yml
@@ -20,7 +20,7 @@
         password: ${_param:mysql_manila_password}
       identity:
         engine: keystone
-        region: RegionOne
+        region: ${_param:openstack_region}
         host: ${_param:single_address}
         port: 35357
         user: manila