CORD-780: FIX for intermittent rabbitmq no_such_vhost error

Change-Id: I40f9987e7124c57f7dafba588d7e3dc0268d6c5e
diff --git a/xos/synchronizer/steps/sync_ceilometerservice.yaml b/xos/synchronizer/steps/sync_ceilometerservice.yaml
index 6b67e31..d0c101b 100644
--- a/xos/synchronizer/steps/sync_ceilometerservice.yaml
+++ b/xos/synchronizer/steps/sync_ceilometerservice.yaml
@@ -18,7 +18,7 @@
       line="127.0.0.1 localhost {{ instance_hostname }}"
 
   - name : Adding Rabbitmq user
-    shell : rabbitmqctl add_user openstack "password";rabbitmqctl set_permissions openstack ".*" ".*" ".*"
+    shell : rabbitmqctl add_vhost /;rabbitmqctl add_user openstack "password";rabbitmqctl set_permissions openstack ".*" ".*" ".*"
 
   - name: Coping keystone endpoint script
     template: src=/opt/xos/synchronizers/monitoring/templates/update-keystone-endpoints.py.j2 dest=/usr/local/bin/update-keystone-endpoints.py owner=root group=root mode=0777