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/glusterfs/client/volume/prometheus.yml b/glusterfs/client/volume/prometheus.yml
new file mode 100644
index 0000000..f8b2f3d
--- /dev/null
+++ b/glusterfs/client/volume/prometheus.yml
@@ -0,0 +1,10 @@
+parameters:
+  _param:
+    prometheus_glusterfs_service_host: ${_param:glusterfs_service_host}
+  glusterfs:
+    client:
+      volumes:
+        prometheus-config:
+          path: /srv/volumes/prometheus-config
+          server: ${_param:prometheus_glusterfs_service_host}
+          opts: 'defaults'