swapping prometheus to use nfs

apps/monitoring/prometheus.yaml

@@ -44,9 +44,8 @@ spec:
           persistentVolumeClaim:
             claimName: prometheus-pvc
         - name: prometheus-storage
-          emptyDir:
+          persistentVolumeClaim:
-            medium: Memory
+            claimName: prometheus-storage-pvc
-            sizeLimit: 256Mi
 ---
 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