grafana persistence

README.md

@@ -264,7 +264,7 @@ https://kubernetes.github.io/ingress-nginx/deploy/#using-helm
 ```
 $ kubectl create ns ingress-nginx
 $ helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
-$ helm install nginx-ingress ingress-nginx/ingress-nginx -n ingress-nginx
+$ helm -n ingress-nginx install ingress-nginx ingress-nginx/ingress-nginx
 ```
 ```
 $ kubectl -n ingress-nginx get all

prom-stack-values.yaml

@@ -714,7 +714,18 @@ grafana:
   enabled: true
   namespaceOverride: ""
   
-  # https://github.com/prometheus-community/helm-charts/issues/1969#issuecomment-1119567241
+  # https://github.com/prometheus-community/helm-charts/issues/436#issuecomment-740664621
+  persistence:
+    enabled: true
+    type: pvc
+    storageClassName: %PVC_STORAGECLASS%
+    accessModes:
+    - ReadWriteOnce
+    size: %PVC_STORAGE_SIZE_GRAFANA%
+    finalizers:
+    - kubernetes.io/pvc-protection
+
+  # h%ttps://github.com/prometheus-community/helm-charts/issues/1969#issuecomment-1119567241
   grafana.ini:
     smtp:
       enabled: true