Instructions

Clone ansible repo from source (http://docs.ansible.com/intro_installation.html)
Run source <ansible repo folder>/hacking/env-setup
Run cp infra_config.yml.sample infra_config.yml
Edit infra_config.yml and put your environment values
Run ansible-playbook <ansible repo folder>/plugins/inventory/openstack.py -e "@infra_config.yml" provision_infra_servers.yml
Run ansible-playbook <ansible repo folder>/plugins/inventory/openstack.py -e "@infra_config.yml" site.yml