================ Identity service ================ .. toctree:: identity/options.rst identity/token-provider.rst identity/federated-identity.rst identity/sample-configuration-files.rst identity/samples/index.rst identity/caching.rst tables/conf-changes/keystone.rst This chapter details the Identity service configuration options. For installation prerequisites and step-by-step walkthroughs, see the OpenStack Installation Guide for your distribution (`docs.openstack.org `_) and `OpenStack Administrator Guide `_. .. note:: The common configurations for shared service and libraries, such as database connections and RPC messaging, are described at :doc:`common-configurations`.