Crowbar is a platform for server provisioning and deployment from bare metal. It is of particular use in automating deployments of OpenStack.
DevStack is a set of shell scripts to build complete OpenStack development environments. It is useful to create a small OpenStack environment that will be used for hacking, testing, etc. and is therefore primarily used for upstream development.
OpenStack Chef deployment
You can get started quickly with a Chef deployment on openSUSE using soksolok and our OpenStack chef cookbooks. Follow this guide to deploy a simple one-node OpenStack cloud.