https://github.com/openshift/openshift-ansible/pull/11289 merged
Fix is available in openshift-ansible-3.10.122-1
Fixed. openshift-ansible-3.10.127-1.git.0.131da09.el7 In my test, With 3.10.101, TASK [Run variable sanity checks] costs 1.88 seconds With 3.10.127, TASK [Run variable sanity checks] costs 0.35 second Kernel Version: 3.10.0-957.10.1.el7.x86_64 Operating System: Red Hat Enterprise Linux Server 7.6 (Maipo)
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:0786