Implement M-CORD Services in Multi-cluster's configuration

Change-Id: Ie7b6cf0c4d010edd75efd4049bc8ac8fbb41cfc4
diff --git a/mcord/mcord-control-plane/templates/cassandra.yaml b/mcord/mcord-control-plane/templates/cassandra.yaml
index 9f85e03..312233b 100644
--- a/mcord/mcord-control-plane/templates/cassandra.yaml
+++ b/mcord/mcord-control-plane/templates/cassandra.yaml
@@ -44,7 +44,9 @@
     metadata:
       labels:
         app: cassandra
-    spec:
+    spec:    
+      nodeSelector:
+       kubernetes.io/hostname: "node3"
       terminationGracePeriodSeconds: 1
       containers:
       - name: cassandra