Defer error checking to ansible layer
diff --git a/planetstack/openstack_observer/steps/sync_controller_users.py b/planetstack/openstack_observer/steps/sync_controller_users.py
index 0c35047..ca2909c 100644
--- a/planetstack/openstack_observer/steps/sync_controller_users.py
+++ b/planetstack/openstack_observer/steps/sync_controller_users.py
@@ -65,20 +65,12 @@
 		       'tenant':controller_user.user.site.login_base}    
 	
 	    rendered = template.render(user_fields)
-	    res = run_template('sync_controller_users.yaml', user_fields,path='controller_users')
-
-	    # results is an array in which each element corresponds to an 
-	    # "ok" string received per operation. If we get as many oks as
-	    # the number of operations we issued, that means a grand success.
-	    # Otherwise, the number of oks tell us which operation failed.
 	    expected_length = len(roles) + 1
-	    if (len(res)==expected_length):
-                controller_user.kuser_id = res[0]['id']
-                controller_user.save()
-	    elif (len(res)):
-	        raise Exception('Could not assign roles for user %s'%user_fields['name'])
-	    else:
-	        raise Exception('Could not create or update user %s'%user_fields['name'])
+
+	    res = run_template('sync_controller_users.yaml', user_fields,path='controller_users', expected_num=expected_length)
+
+            controller_user.kuser_id = res[0]['id']
+            controller_user.save()
 
     def delete_record(self, controller_user):
         if controller_user.kuser_id: