Add prometheus monitoring to reclass

Add:
* glusterfs server volume
* glusterfs client
* ssl keys for kubernetes
* prometheus related formulas
* telegraf system reclass
* prometheus system reclass
* docker swarm network
* docker swarm services:
  - prometheus
  - alertmanager
  - pushgateway
  - grafana

Change-Id: I4a5a60f35f4c96ca41ac2e94f27c7aefbc286cbf
diff --git a/telegraf/agent/init.yml b/telegraf/agent/init.yml
new file mode 100644
index 0000000..57a1f61
--- /dev/null
+++ b/telegraf/agent/init.yml
@@ -0,0 +1,11 @@
+paramaters:
+  telegraf:
+    agent:
+      input:
+        diskio:
+      output:
+        prometheus_client:
+          bind:
+            address: 0.0.0.0
+            port: 9126
+          engine: prometheus