Move from latest tags to nightly for SLv2 images

Related-PROD: PROD-20223

Change-Id: I4510c8d59e6a1e77a31965cc588ba039846e3b04
diff --git a/classes/cluster/virtual-mcp11-dvr/stacklight/server.yml b/classes/cluster/virtual-mcp11-dvr/stacklight/server.yml
index f3fb28a..26518f9 100644
--- a/classes/cluster/virtual-mcp11-dvr/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-dvr/stacklight/server.yml
@@ -46,14 +46,14 @@
     cluster_node02_address: ${_param:stacklight_monitor_node02_address}
     cluster_node03_hostname: mon03
     cluster_node03_address: ${_param:stacklight_monitor_node03_address}
-    docker_image_alertmanager: docker-prod-virtual.docker.mirantis.net/openstack-docker/alertmanager:latest
-    docker_image_pushgateway: docker-prod-virtual.docker.mirantis.net/openstack-docker/pushgateway:latest
-    docker_image_prometheus: docker-prod-virtual.docker.mirantis.net/openstack-docker/prometheus:latest
-    docker_image_remote_agent: docker-prod-virtual.docker.mirantis.net/openstack-docker/telegraf:latest
-    docker_image_remote_storage_adapter: docker-prod-virtual.docker.mirantis.net/openstack-docker/remote_storage_adapter:latest
-    docker_image_remote_collector: docker-prod-virtual.docker.mirantis.net/openstack-docker/heka:latest
-    docker_image_prometheus_relay: docker-prod-virtual.docker.mirantis.net/openstack-docker/prometheus_relay:latest
-    docker_image_grafana: grafana/grafana:5.1.3
+    docker_image_alertmanager: docker-prod-virtual.docker.mirantis.net/openstack-docker/alertmanager:${_param:apt_mk_version}
+    docker_image_pushgateway: docker-prod-virtual.docker.mirantis.net/openstack-docker/pushgateway:${_param:apt_mk_version}
+    docker_image_prometheus: docker-prod-virtual.docker.mirantis.net/openstack-docker/prometheus:${_param:apt_mk_version}
+    docker_image_remote_agent: docker-prod-virtual.docker.mirantis.net/openstack-docker/telegraf:${_param:apt_mk_version}
+    docker_image_remote_storage_adapter: docker-prod-virtual.docker.mirantis.net/openstack-docker/remote_storage_adapter:${_param:apt_mk_version}
+    docker_image_remote_collector: docker-prod-virtual.docker.mirantis.net/openstack-docker/heka:${_param:apt_mk_version}
+    docker_image_prometheus_relay: docker-prod-virtual.docker.mirantis.net/openstack-docker/prometheus_relay:${_param:apt_mk_version}
+    docker_image_grafana: docker-prod-virtual.docker.mirantis.net/mirantis/external/grafana:${_param:apt_mk_version}
     influxdb_port: 8086
     influxdb_admin_password: password
     influxdb_stacklight_password: lmapass