Fix broken check mode for CentOS 7
Fix broken check mode for CentOS 7

This patch fixes some of the tasks that break in check/audit mode.
This is required for the check mode gating to work properly.

These tasks will soon be converted to something that doesn't use
the fail module.

Change-Id: I9940cc3457a1008f7c86482906537a916d523223

major/openstack-ansible-security,major/openstack-ansible-security