An OpenStack cloud does not have much value without users. This chapter covers topics that relate to managing users, projects, and quotas. This chapter describes users and projects as described by version 2 of the OpenStack Identity API.
The initial implementation of OpenStack Compute had its own
authentication system and used the term
project. When authentication
moved into the OpenStack Identity (keystone) project, it used the term
tenant to refer to a group of users. Because of this legacy, some of
the OpenStack tools refer to projects and some refer to tenants.
This guide uses the term
project, unless an example shows
interaction with a tool that uses the term