--- upgrade: - The distribution of the ``.my.cnf`` database access configuration file which contains sensitive root credentials has now been limited to only be distributed to containers and hosts which require it for troubleshooting purposes. It is recommended that this file be removed from all hosts and containers. The only containers that should have the file are the Utility container and the Galera containers. This may be done by executing ``ansible 'all:!galera:!utility' -m shell -a 'rm -f /root/.my.cnf'`` from the ``/opt/openstack-ansible/`` directory. security: - The distribution of the ``.my.cnf`` database access configuration file which contains sensitive root credentials has now been limited to only be distributed to containers and hosts which require it for troubleshooting purposes.