Added new class for keepalived on control nodes

Change-Id: I4596c55f31fb83d149e354112d5f4607e701752f
Related-Bug: PROD-19814
diff --git a/classes/cluster/sl-os-ovs/openstack/control.yml b/classes/cluster/sl-os-ovs/openstack/control.yml
index ea1cdd6..d6a9752 100644
--- a/classes/cluster/sl-os-ovs/openstack/control.yml
+++ b/classes/cluster/sl-os-ovs/openstack/control.yml
@@ -28,6 +28,7 @@
 - system.galera.server.database.keystone
 - system.galera.server.database.nova
 - system.haproxy.proxy.listen.openstack.nova-placement
+- system.keepalived.cluster.instance.stacklight_control_vip
 - cluster.sl-os-ovs
 parameters:
   _param: