Add vfc catalog volumn

Issue-ID: OOM-1623
Change-Id: Idd9ecfaa99a7e4e8b57e12a5c442a4a1a3c3a6a0
Signed-off-by: yangyanyj <yangyanyj@chinamobile.com>
diff --git a/kubernetes/vfc/charts/vfc-catalog/values.yaml b/kubernetes/vfc/charts/vfc-catalog/values.yaml
index b4a8cb5..fc6cf4e 100644
--- a/kubernetes/vfc/charts/vfc-catalog/values.yaml
+++ b/kubernetes/vfc/charts/vfc-catalog/values.yaml
@@ -60,6 +60,27 @@
   initialDelaySeconds: 10
   periodSeconds: 10
 
+## Persist data to a persitent volume
+persistence:
+  enabled: true
+  ## A manually managed Persistent Volume and Claim
+  ## Requires persistence.enabled: true
+  ## If defined, PVC must be created manually before volume will be bound
+  # existingClaim:
+  volumeReclaimPolicy: Retain
+  ## database data Persistent Volume Storage Class
+  ## If defined, storageClassName: <storageClass>
+  ## If set to "-", storageClassName: "", which disables dynamic provisioning
+  ## If undefined (the default) or set to null, no storageClassName spec is
+  ##   set, choosing the default provisioner.  (gp2 on AWS, standard on
+  ##   GKE, AWS & OpenStack)
+  ##
+  # storageClass: "-"
+  accessMode: ReadWriteMany
+  size: 2Gi
+  mountPath: /dockerdata-nfs
+  mountSubPath: vfc/catalog
+
 service:
   type: ClusterIP
   name: vfc-catalog