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/docker/swarm/service/monitoring/prometheus_alertmanager.yml b/docker/swarm/service/monitoring/prometheus_alertmanager.yml
new file mode 100644
index 0000000..74b20f5
--- /dev/null
+++ b/docker/swarm/service/monitoring/prometheus_alertmanager.yml
@@ -0,0 +1,23 @@
+include:
+- service.prometheus.alertmanager.container
+parameters:
+  docker:
+    client:
+      service:
+        prometheus_alertmanager:
+          network: monitoring
+          replica: 2
+          environment:
+            config_dir: /opt/alertmanager/config
+            bind_port: ${prometheus:alertmanager:bind:port}
+            bind_address: ${prometheus:alertmanager:bind:address}
+          restart:
+            condition: any
+          image: ${_param:docker_image_alertmanager}
+          ports:
+            - 15011:${prometheus:alertmanager:bind:port}
+          volume:
+            site:
+              type: bind
+              source: /srv/volumes/prometheus-config
+              destination: /opt/alertmanager/config