This job was failing following changes to kolla-ansible certificate
generation [1]. Fix by first running host configure while skipping the
libvirt-host tag, then generating certificates, and finally running host
configure again with only the libvirt-host tag, if required.
[1] https://review.opendev.org/c/openstack/kolla-ansible/+/970099
Change-Id: Id5eda23b2b6647cbd0145d27afc849da66ea4440
Signed-off-by: Pierre Riteau <pierre@stackhpc.com>
600fc5ac2d