Identity, Authentication, and Access Management in OpenStack: Implementing and Deploying Keystone (1)

By: Steve Martinelli and Henry Nash and Brad Topol

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Synopsis: Keystone—OpenStack's Identity service—provides secure controlled access to a cloud’s resources. In OpenStack environments, Keystone performs many vital functions, such as authenticating users and determining what resources users are authorized to access.Whether the cloud is private, public, or dedicated, access to cloud resources and security is essential. This practical guide to using Keystone provides detailed, step-by-step guidance to creating a secure cloud environment at the Infrastructure-as-a-Service layer—as well as key practices for safeguarding your cloud's ongoing security.Learn about Keystone's fundamental capabilities for providing Identity, Authentication, and Access ManagementPerform basic Keystone operations, using concrete examples and the latest version (v3) of Keystone's Identity APIUnderstand Keystone's unique support for multiple token formats, including how it has evolved over timeGet an in-depth explanation of Keystone's LDAP support and how to configure Keystone to integrate with LDAPLearn about one of Keystone's most sought-after features—support for federated identity