
Flag --until-complete is not valid for the nova-manage db purge command, it is working only for archive_deleted_rows [1]. Suposedly it was a copy/paste mistake to keep the flag in place. [1] https://docs.openstack.org/nova/latest/cli/nova-manage.html#db-archive-deleted-rows Change-Id: I7be8c41bd52b955d83c4452e67ef323abe00969e