Deploy Prometheus services in mcp11-k8S-calico

This change also installs Telegraf and bumps classes/system because it
is needed for Prometheus.

Change-Id: I16e08a41a1b3a13a2132572b35a8abe5e85ed693
diff --git a/classes/cluster/virtual-mcp11-k8s-calico/swarm/master.yml b/classes/cluster/virtual-mcp11-k8s-calico/swarm/master.yml
index 8d53081..b2d33a1 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico/swarm/master.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico/swarm/master.yml
@@ -1,8 +1,11 @@
 classes:
 - system.docker.client
+- system.docker.host
 - system.docker.swarm.master
-- cluster.virtual-mcp11-k8s-calico.swarm.control
+- cluster.virtual-mcp11-k8s-calico.infra
 parameters:
+  _param:
+    cluster_public_host: ${_param:docker_swarm_hostname}
   docker:
     client:
       enabled: true