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Authentication System

Introduces Keystone's authentication system concepts and operations.

The Keystone authentication system consists of authentication sources, users, and groups.

NameResourceDescriptionDomain ResourceNotes
Authentication Sourceidentity_providersDefines the source of user and group informationNoAuthentication sources are independent of domains. Authentication sources can provide user authentication information to one or more domains
UserusersUsers are executors of all resource operations. Any operation within the platform needs to be executed as a user. Each service needs a service user. The operator of operations executed by that service is this service userYesUsers must belong to a domain
GroupgroupsGroups are collections of users. Adding a group to a project is equivalent to adding users in the group to the projectYesGroups must belong to a domain