From 017f8e7bb7bfbb941b467b1fd87d569d43e24b12 Mon Sep 17 00:00:00 2001
From: Junwei Zhao <wahyd4@gmail.com>
Date: Wed, 22 Apr 2020 23:36:48 +1000
Subject: [PATCH] Enable persistence for prometheus opertor

---
 home-k8s/apply.sh               |  4 +++-
 home-k8s/prometheus-pv.yml      | 38 +++++++++++++++++++++++++++++++++
 home-k8s/prometheus-values.yaml |  8 +++++++
 3 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 home-k8s/prometheus-pv.yml
 create mode 100644 home-k8s/prometheus-values.yaml

diff --git a/home-k8s/apply.sh b/home-k8s/apply.sh
index 171a34e..f715677 100755
--- a/home-k8s/apply.sh
+++ b/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
 
diff --git a/home-k8s/prometheus-pv.yml b/home-k8s/prometheus-pv.yml
new file mode 100644
index 0000000..77fa092
--- /dev/null
+++ b/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
diff --git a/home-k8s/prometheus-values.yaml b/home-k8s/prometheus-values.yaml
new file mode 100644
index 0000000..67631ad
--- /dev/null
+++ b/home-k8s/prometheus-values.yaml
@@ -0,0 +1,8 @@
+grafana:
+  persistence:
+    enabled: true
+    storageClassName: manual
+    existingClaim: grafana-pvc
+  securityContext:
+    fsGroup: 1000
+    runAsUser: 1000