Keystone is an OpenStack project that provides Identity, Token, Catalog and Policy services for use specifically by projects in the OpenStack family. It implements OpenStack’s Identity API.
This document describes Keystone for contributors of the project, and assumes that you are already familiar with Keystone from an end-user perspective.
This documentation is generated by the Sphinx toolkit and lives in the source tree. Additional documentation on Keystone and other components of OpenStack can be found on the OpenStack wiki. Also see the Getting Involved page for other ways to interact with the community.