chore: configurable storageClass name

Signed-off-by: Artem Bortnikov <brongineer747@gmail.com>

packages/system/keycloak/templates/db.yaml

@@ -6,6 +6,9 @@ spec:
   instances: 2
   storage:
     size: 20Gi
+    {{- if .Values.storageClass.enable }}
+    storageClass: {{ .Values.storageClass.name | default "keycloak-db-retain" }}
+    {{- end }}
   {{- if .Values._cluster.scheduling }}
   {{- $rawConstraints := get .Values._cluster.scheduling "globalAppTopologySpreadConstraints" }}
   {{- if $rawConstraints }}

packages/system/keycloak/templates/storageclass.yaml

@@ -0,0 +1,10 @@
+{{- if .Values.storageClass.enable }}
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: {{ .Values.storageClass.name | default "keycloak-db-retain" }}
+provisioner: {{ required ".Values.storageClass.provisioner is required when storageClass.enable is true" .Values.storageClass.provisioner | quote }}
+reclaimPolicy: Retain
+volumeBindingMode: WaitForFirstConsumer
+allowVolumeExpansion: true
+{{- end }}

packages/system/keycloak/values.yaml

@@ -10,6 +10,12 @@ ingress:
     nginx.ingress.kubernetes.io/session-cookie-expires: "86400"
     nginx.ingress.kubernetes.io/session-cookie-max-age: "86400"
     nginx.ingress.kubernetes.io/session-cookie-name: "keycloak-cookie"
+
+storageClass:
+  enable: false
+  name: ""
+  provisioner: ""
+
 resources:
   requests:
     memory: 500Mi