We copy-paste the same play into various playbooks to detect
openstack_release. This change factors that code into a separate
playbook that is imported.
Change-Id: I5fea005642b960080bf5e43455618dc24766c386
This playbook only matters for multinode since AIO can recover from
power outage without additional configuration.
DocImpact
Implements: blueprint mariadb-lights-out
Change-Id: I903c3bcd069af39814bcabcef37684b1f043391f
