Persistent volumes for Database storage

Addition of persistent volumes for all DBs including
persistence of policy mariadb (with initial configuration data)

Change-Id: I029e724c3f8bba7fe3599b0955a4a3d213c08163
Issue-ID: OOM-268
Signed-off-by: BorislavG <Borislav.Glozman@amdocs.com>
diff --git a/kubernetes/message-router/templates/message-router-kafka.yaml b/kubernetes/message-router/templates/message-router-kafka.yaml
index 19583bf..ab5c3d4 100644
--- a/kubernetes/message-router/templates/message-router-kafka.yaml
+++ b/kubernetes/message-router/templates/message-router-kafka.yaml
@@ -74,8 +74,8 @@
         hostPath:
           path: /var/run/docker.sock
       - name: kafka-data
-        hostPath:
-          path: /dockerdata-nfs/{{ .Values.nsPrefix }}/message-router/dcae-startup-vm-message-router/docker_files/data-kafka/
+        persistentVolumeClaim:
+          claimName: message-router-kafka
       - name: start-kafka
         hostPath:
           path: /dockerdata-nfs/{{ .Values.nsPrefix }}/message-router/dcae-startup-vm-message-router/docker_files/start-kafka.sh