Enable persistence for prometheus opertor

home-k8s/apply.sh

@@ -2,7 +2,9 @@
 
 helm upgrade --install ingress bitnami/nginx-ingress-controller -n nginx-ingress -f nginx-values.yaml
 
-helm install prometheus stable/prometheus-operator
+k apply -f prometheus-pv.yml -n default
+
+helm upgrade --install prometheus -n default -f prometheus-values.yaml stable/prometheus-operator 
 
 helm apply -f prometheus-ingress.yaml
 

home-k8s/prometheus-pv.yml

@@ -0,0 +1,38 @@
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: manual
+provisioner: kubernetes.io/no-provisioner
+volumeBindingMode: WaitForFirstConsumer
+
+---
+
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: grafana-pv
+  labels:
+    type: local
+spec:
+  storageClassName: manual
+  persistentVolumeReclaimPolicy: Recycle
+  capacity:
+    storage: 10Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/mnt/grafana-data"
+
+---
+
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: grafana-pvc
+spec:
+  storageClassName: manual
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 10Gi

home-k8s/prometheus-values.yaml

@@ -0,0 +1,8 @@
+grafana:
+  persistence:
+    enabled: true
+    storageClassName: manual
+    existingClaim: grafana-pvc
+  securityContext:
+    fsGroup: 1000
+    runAsUser: 1000