When running update --init-minor-update command the user provided roles_data.yaml gets overwritten thus breaking the environment completly.
*** Bug 1516456 has been marked as a duplicate of this bug. ***
Verified with openstack-tripleo-common-7.6.3-8.el7ost.noarch
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.