Sync mongodb chart

This patch set polishes and fixes the mongodb chart.

* key and naming convention matches mariadb's convention;
* fix indentation;
* add in the ability to handle chown_on_start.

Change-Id: I5804eb730a55a192f3cd1518fbccf2416dddcefa
Signed-off-by: Tin Lam <tin@irrational.io>

mongodb/templates/statefulset.yaml

@@ -40,6 +40,22 @@ spec:
         {{ .Values.labels.server.node_selector_key }}: {{ .Values.labels.server.node_selector_value }}
       initContainers:
 {{ tuple $envAll $dependencies list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
+{{- if $envAll.Values.volume.chown_on_start }}
+        - name: mongodb-perms
+          image: {{ $envAll.Values.images.tags.mongodb }}
+          imagePullPolicy: {{ $envAll.Values.images.pull_policy }}
+          securityContext:
+            runAsUser: 0
+{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
+          command:
+            - chown
+            - -R
+            - "mongodb:"
+            - {{ $envAll.Values.volume.host.host_path }}
+          volumeMounts:
+            - name: mongodb-data
+              mountPath: {{ $envAll.Values.volume.host.host_path }}
+{{- end }}
       containers:
         - name: mongodb
           image: {{ .Values.images.tags.mongodb }}
@@ -92,20 +108,20 @@ spec:
         configMap:
           name: mongodb-bin
           defaultMode: 0555
-{{- if not .Values.storage.pvc.enabled }}
+{{- if not .Values.volume.enabled }}
       - name: mongodb-data
         hostPath:
-          path: {{ .Values.storage.host.host_path }}
+          path: {{ .Values.volume.host_path }}
 {{- else }}
   volumeClaimTemplates:
   - metadata:
       name: mongodb-data
       annotations:
-        {{ .Values.storage.pvc.class_path }}: {{ .Values.storage.pvc.class_name }}
+        {{ .Values.volume.class_path }}: {{ .Values.volume.class_name }}
     spec:
       accessModes: [ "ReadWriteOnce" ]
       resources:
         requests:
-          storage: {{ .Values.storage.pvc.size }}
+          storage: {{ .Values.volume.size }}
 {{- end }}
 {{- end }}

mongodb/values.yaml

@@ -16,6 +16,8 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
+release_group: null
+
 pod:
   affinity:
     anti:
@@ -43,8 +45,8 @@ images:
     dep_check: quay.io/stackanetes/kubernetes-entrypoint:v0.3.0
   pull_policy: IfNotPresent
 
-storage:
-  pvc:
+volume:
+  chown_on_start: true
   enabled: false
   size: 5Gi
   class_name: general