Ansible
From Wildsong
Vagrant
Repository vastra-ansible contains a separate role for each configuration set. (Documented elsewhere.)
A main setup.yml pulls in each role when I run "vagrant up" or "vagrant provision".
Ansible Control
http://everythingshouldbevirtual.com/ansible-setting-up-an-ansible-control-machine-part-1
The Ansible Control Machine will be the central control for all Vastra machines.