https://maas.io/
vagrantfiles-swift
https://github.com/jameswthorne/vagrantfiles-swift/blob/master/vagrantfile-swift-centos-one-proxy-three-object.txt
vagrant-libvirt
https://github.com/vagrant-libvirt/vagrant-libvirt#installation
Vagrant
https://www.vagrantup.com/docs/why-vagrant/