Fix Ceilometer service host

Change-Id: Idc7f0a946c232587579720c3d08590a6588c2643
diff --git a/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml b/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml
index 8f78734..b564e0b 100644
--- a/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp-ocata-ovs/openstack/init.yml
@@ -69,7 +69,7 @@
     heat_service_host: ${_param:cluster_vip_address}
     heat_domain_admin_password: workshop
     ceilometer_version: ${_param:openstack_version}
-    ceilometer_service_host: 172.16.10.108
+    ceilometer_service_host: ${_param:cluster_vip_address}
     cinder_version: ${_param:openstack_version}
     cinder_service_host: ${_param:cluster_vip_address}
     aodh_version: ${_param:openstack_version}