Boxing devstack with ...
The simplest way is to install the latest version of Vagrant Then just follow the instructions given by Christian Berendt in his blog entry: http://www.cberendt.de/2014/04/an-other-vagrant-box-with-devstack-and-ubuntu-14-04/ (you might want to reduce the memory and the number of CPU's, dependent on your hardware - also, don't forget the warning about waiting for 10+ minutes once you have fired the whole thing up)
These are the steps I followed to install the icehouse branch of devstack into a Vagrant controlled VM