swapping prometheus to use nfs

apps/monitoring/prometheus.yaml

@@ -44,9 +44,8 @@ spec:
           persistentVolumeClaim:
             claimName: prometheus-pvc
         - name: prometheus-storage
-          emptyDir:
-            medium: Memory
-            sizeLimit: 256Mi
+          persistentVolumeClaim:
+            claimName: prometheus-storage-pvc
 ---
 apiVersion: v1
 kind: PersistentVolumeClaim
@@ -63,6 +62,19 @@ spec:
     requests:
       storage: 1Gi
 ---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: prometheus-storage-pvc
+  namespace: monitoring
+spec:
+  storageClassName: "nfs-client"
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi
+---
 # Service URL - http://prometheus.monitoring.svc.cluster.local:9090
 apiVersion: v1
 kind: Service
@@ -96,7 +108,7 @@ metadata:
   labels:
     app: prometheus
 rules:
-- apiGroups: [""]
+  - apiGroups: [""]
     resources:
       - nodes
       - nodes/proxy
@@ -104,11 +116,11 @@ rules:
       - endpoints
       - pods
     verbs: ["get", "list", "watch"]
-- apiGroups: ["extensions"]
+  - apiGroups: ["extensions"]
     resources:
       - ingresses
     verbs: ["get", "list", "watch"]
-- apiGroups: ["networking.k8s.io"]
+  - apiGroups: ["networking.k8s.io"]
     resources:
       - ingresses
     verbs: ["get", "list", "watch"]
@@ -125,6 +137,6 @@ roleRef:
   kind: ClusterRole
   name: prometheus
 subjects:
-- kind: ServiceAccount
+  - kind: ServiceAccount
     name: prometheus
     namespace: monitoring