added Prometheus helm deployment as a service

modified jhub db to recycle

Signed-off-by: John Lockman <jlockman3@gmail.com>

kubernetes/roles/startservices/files/jhub-db-pv.yaml

@@ -12,5 +12,5 @@ spec:
   nfs:
     server: 10.0.0.1
     path: /work/k8s/jhub-db
-  persistentVolumeReclaimPolicy: Retain
+  persistentVolumeReclaimPolicy: Recycle
 

kubernetes/roles/startservices/tasks/main.yml

@@ -78,3 +78,7 @@
 - name: jupyterHub deploy
   shell: helm install jupyterhub/jupyterhub  --namespace default --version 0.8.2 --values /root/k8s/jupyter_config.yaml
   tags: init
+
+- name: Prometheus deployment
+  shell: helm install stable/prometheus --set alertmanager.persistentVolume.storageClass=nfs-client,server.persistentVolume.storageClass=nfs-client,server.service.type=LoadBalancer
+  tags: init