Add database volume path as variable

kubernetes-templates/MongoDB/0/mongo-controller.yaml

@@ -42,7 +42,7 @@ spec:
       volumes:
       - name: mongo-datadir
         hostPath:
-          path: /data/db
+          path: ${mongo_volume}
       - name: utility
         emptyDir: {}
     metadata:

kubernetes-templates/MongoDB/0/mongo-master.yaml

@@ -52,6 +52,6 @@ spec:
   volumes:
   - name: mongo-datadir
     hostPath:
-      path: /data/db
+      path: ${mongo_volume}
   - name: utility
     emptyDir: {}

kubernetes-templates/MongoDB/0/rancher-compose.yml

@@ -9,3 +9,8 @@
       type: int
       default: 2
       description: "should be even number"
+    - variable: "mongo_volume"
+      label: "hostpath volume for mongodb"
+      required: true
+      type: string
+      default: "/data/db"