Virtme: a very promising start to get a proof of concept up and running -- sadly it appears to be abandoned?:
https://manage.jujucharms.com/~virtual-maasers/precise/virtm... http://javacruft.wordpress.com/2013/06/25/virtme/
A (partial) list of manual steps that try to achieve the same (with the goal of ending up with an openstack poc):
http://www.teale.de/tealeg/computing/cloud/kvm_maas_juju_ope...
YMMV etc.
https://juju.ubuntu.com/docs/config-maas.html
https://juju.ubuntu.com/docs/config-maas.html