parametrize endpoints

Change-Id: Iffeb7de45c4f4f232f0e8f72c55f9b6e2c5d67c7
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index c0c9682..ffd2aac 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -3,6 +3,8 @@
 classes:
 - service.cinder.support
 parameters:
+  _param:
+    keystone_cinder_endpoint_type: internalURL
   cinder:
     controller:
       enabled: true
@@ -24,6 +26,7 @@
         tenant: service
         user: cinder
         password: ${_param:keystone_cinder_password}
+        endpoint_type: ${_param:keystone_cinder_endpoint_type}
       glance:
         host: ${_param:cluster_vip_address}
         port: 9292