Description of problem: Undercloud keystone failed to start, looks like some configuration missing. stdout of most keystone related container has: ERROR:__main__:MissingRequiredSource: /var/lib/kolla/config_files/src/etc/httpd/conf.modules.d file is not found Version-Release number of selected component (if applicable): RHOS_TRUNK-16.0-RHEL-8-20190802.n.1
This is fixed by https://review.opendev.org/#/c/674280/
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/RHEA-2020:0283