This change can fix the issue during package upgrade that causes config_controller failed at step 6.
Root cause is that package update introduced a warning output in frontend.pp file which will cause
puppet-manifest-apply failure as it do not allow any warning existed in puppet log.
Story: 2003389
Task: 24504
Depends-On: https://review.openstack.org/#/c/600359/
Change-Id: Iabfa73e80859feeccbc1e6c81032169f94812013
Signed-off-by: zhipengl <zhipengs.liu@intel.com>
e51a4a5bbe