[PMS] Persistent storage of policies and type definitions

Policy types and type definitions are stored persistently
to survive a restart of PMS.
Added persistent volume claim.

Change-Id: Ia947bb71a6bdee3a8e576337b2870c54ee3c08f9
Issue-ID: CCSDK-3256
Signed-off-by: PatrikBuhr <patrik.buhr@est.tech>
diff --git a/kubernetes/a1policymanagement/values.yaml b/kubernetes/a1policymanagement/values.yaml
index 41a93ee..08590d8 100644
--- a/kubernetes/a1policymanagement/values.yaml
+++ b/kubernetes/a1policymanagement/values.yaml
@@ -122,10 +122,10 @@
   small:
     limits:
       cpu: 2
-      memory: 4Gi
+      memory: 300Mi
     requests:
       cpu: 1
-      memory: 2Gi
+      memory: 150Mi
   large:
     limits:
       cpu: 4
@@ -134,3 +134,28 @@
       cpu: 2
       memory: 4Gi
   unlimited: {}
+
+## Persist data to a persistent 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: ReadWriteOnce
+  size: 2Gi
+  mountPath: /dockerdata-nfs
+  mountSubPath: nonrtric/policymanagementservice
+
+