Point grafana DS to prometheus-relay

Add prometheus relay docker image address

Change-Id: Id1c7800c31b7e4f25684825ba14c91afc573da0c
diff --git a/classes/cluster/sl-os-contrail/stacklight/client.yml b/classes/cluster/sl-os-contrail/stacklight/client.yml
index 676113e..4f6323a 100755
--- a/classes/cluster/sl-os-contrail/stacklight/client.yml
+++ b/classes/cluster/sl-os-contrail/stacklight/client.yml
@@ -16,4 +16,4 @@
     grafana_user: admin
     grafana_password: ${_param:grafana_admin_password}
     grafana_prometheus_address: ${_param:stacklight_monitor_address}
-    grafana_prometheus_port: 15010
+    grafana_prometheus_port: 15016
diff --git a/classes/cluster/sl-os-contrail/stacklight/server.yml b/classes/cluster/sl-os-contrail/stacklight/server.yml
index 224f36e..e22bd8e 100755
--- a/classes/cluster/sl-os-contrail/stacklight/server.yml
+++ b/classes/cluster/sl-os-contrail/stacklight/server.yml
@@ -49,6 +49,7 @@
     docker_image_remote_agent: docker-prod-virtual.docker.mirantis.net/openstack-docker/telegraf:latest
     docker_image_remote_collector: docker-prod-virtual.docker.mirantis.net/openstack-docker/heka:latest
     docker_image_remote_storage_adapter: docker-prod-virtual.docker.mirantis.net/openstack-docker/remote_storage_adapter:latest
+    docker_image_prometheus_relay: docker-prod-virtual.docker.mirantis.net/openstack-docker/prometheus_relay:latest
     docker_image_grafana: grafana/grafana:4.3.2
     grafana_admin_password: admin
     grafana_database_type: mysql