Add proxy for Grafana service

Change-Id: I0a3d5d73cdd7e6e10c866b78993b8ce171e2e4ed
diff --git a/classes/cluster/virtual-mcp11-k8s-contrail/stacklight/server.yml b/classes/cluster/virtual-mcp11-k8s-contrail/stacklight/server.yml
index a9d8520..6677675 100644
--- a/classes/cluster/virtual-mcp11-k8s-contrail/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-k8s-contrail/stacklight/server.yml
@@ -23,7 +23,7 @@
 parameters:
   _param:
     cluster_public_host: mon
-    cluster_vip_address: ${_param:stacklight_address}
+    cluster_vip_address: ${_param:stacklight_monitor_address}
     docker_image_alertmanager: alertmanager:latest
     docker_image_pushgateway: pushgateway:latest
     docker_image_prometheus: prometheus:latest