feat(charts): add optional persistence storage to influxdb and grafana

Author: rimusz

charts/monitor/charts/grafana/templates/monitor-grafana-deployment.yaml

@@ -71,4 +71,13 @@ spec:
         ports:
         - containerPort: 3500
           name: ui
+{{- if .Values.persistence.enabled }}
+        volumeMounts:
+        - name: grafana-data
+          mountPath: /var/lib/grafana
+      volumes:
+      - name: grafana-data
+        persistentVolumeClaim:
+          claimName: deis-monitor-grafana
+{{- end }}
 {{- end }}

charts/monitor/charts/grafana/templates/monitor-grafana-pvc.yaml

@@ -0,0 +1,16 @@
+{{- if .Values.persistence.enabled }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: deis-monitor-grafana
+  labels:
+    heritage: deis
+  annotations:
+    volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+{{- end }}

charts/monitor/charts/influxdb/templates/monitor-influxdb-deployment.yaml

@@ -54,4 +54,13 @@ spec:
             port: 8086
           initialDelaySeconds: 1
           timeoutSeconds: 1
+{{- if .Values.persistence.enabled }}
+        volumeMounts:
+        - name: influxdb-data
+          mountPath: /data
+      volumes:
+      - name: influxdb-data
+        persistentVolumeClaim:
+          claimName: deis-monitor-influxdb
+{{- end }}
 {{- end }}

charts/monitor/charts/influxdb/templates/monitor-influxdb-pvc.yaml

@@ -0,0 +1,16 @@
+{{- if .Values.persistence.enabled }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: deis-monitor-influxdb
+  labels:
+    heritage: deis
+  annotations:
+    volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+{{- end }}

charts/monitor/values.yaml

@@ -4,6 +4,11 @@ grafana:
   docker_tag: canary
   # limits_cpu: "100m"
   # limits_memory: "50Mi"
+  persistence:
+    enabled: false
+    storageClass: standard
+    accessMode: ReadWriteOnce
+    size: 5Gi
 influxdb:
   org: "deisci"
   pull_policy: "Always"
@@ -14,6 +19,11 @@ influxdb:
   database: "kubernetes"
   user: "user"
   password: "password"
+  persistence:
+    enabled: false
+    storageClass: standard
+    accessMode: ReadWriteOnce
+    size: 20Gi
 telegraf:
   org: "deisci"
   pull_policy: "Always"