Fix is available in openshift-ansible-3.10.122-1
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.