Manage our VMs configuration with puppet
As of today, our libvirt guests configuration are completely detached from our puppet setup, which does not help to have them that easy to deploy, not reliable in term of similarity. We should find a way to encode their xml in puppet, for real.
The Puppet module we use to manage libvirt is https://git-tails.immerda.ch/puppet-libvirt/
- Related to #8708