Fixes an issue where online data migrations were not performed in thedefault Bifrost configuration wherelocalhost is used as the databaseaddress. SeeLP#2036772 for details.

use_cirros andcirros_deploy_image_upstream_url have been deprecated infavour ofdownload_custom_deploy_image andcustom_deploy_image_upstream_url respectively, to better reflect theirOS-agnositic nature. The old variables will be removed in a future release.

Fixes issue of lack of log rotation for Ironic logs byadding a role which installs and configures the logrotateservice.

Support for Fedora is no longer tested in the CI and will be removed fromthe code in the near future.