Chapter 5. Revision History: Architecture

Core Concepts Pods and Services

Minor update for clarity in the Pods section.

Additional Concepts Authentication

Removed the Impersonation section, which does not apply to OpenShift Enterprise 3.1.

Infrastructure Components Web Console

Added a Note introducing Cockpit to the Project Overviews section.

Core Concepts Builds and Image Streams

Added Reproducibility to the list of S2I advantages in the Source-to-Image (S2I) Build section.

Additional Concepts Authorization

Added a Note box indicating that Roles need to be assigned to administer the setup with an external user.

Additional Concepts Authentication

Added the Impersonation section.

Infrastructure Components Web Console

Added a link to the OpenShift and Atomic Enterprise Platform Tested Integrations article in the Browser Requirements section.

Core Concepts Routes

Corrected footnote placement in the Secured Routes section.

Core Concepts Builds and Image Streams

Added information about maximum name lengths for objects.

Core Concepts Projects and Users

Added information about maximum name lengths for objects.

Core Concepts Pods and Services

Added information about maximum name lengths for objects.

Infrastructure Components Web Console

Added a Browser Requirements section, which outlines browser versions and operating systems that can be used to access the web console.

Additional Concepts Authorization

Added deletecollection to the verb list within the Evaluating Authorization table.

Additional Concepts Persistent Storage

Updated the Overview section to provide a better introduction to the PV and PVC concepts.

Additional Concepts Persistent Storage

In the Access Modes section, clarified how a PVC determines what PV to select.

Additional Concepts Persistent Storage

Updated the Access Modes content to address how access mode matching works and whether modes are enforced at runtime. (BZ#1304489)

Infrastructure Components Kubernetes Infrastructure

Added a note to the High Availability Masters section indicating that moving from a single master cluster to multiple masters after installation is not supported.

Core Concepts Routes

Updated to clarify that destinationCaCertificate is required, but only for re-encryption.

Core Concepts Builds and Image Streams

Added more information on how builds work behind the scenes.

Additional Concepts Persistent Storage

Added an Important box about providing high-availability.

Additional Concepts Authorization

Updated the list of default SCCs as of OpenShift Enterprise 3.1, and other improvements to the Security Context Constraints sections.

Core Concepts Builds and Image Streams

Added a Note box clarifying how ImageStreamImage objects are created.