Chapter 2. Authentication and Authorization Using Keystone

Most of the OpenStack components have a basic in-built authentication mechanism, which is adequate for them to function on their own. However, when they have to come together, Keystone forms the bridge, a common platform for authentication and authorization.

Keystone was launched in the Essex release and has been deemed a core component of the OpenStack deployment ever since. In this chapter, we will understand in some detail the following:

  • The Keystone architecture and the subsystems
  • Installing the prerequisite common components
  • Installing Keystone
  • Initial configuration
  • Basic troubleshooting


Please be advised that this will be installed and configured on the controller node.

The entire installation ...

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