openstack/devstack
Code Issues Proposed changes
c707dd3fc2
devstack/doc/source/overview.rst
Dr. Jens Harbott fbc1865dc4 Drop Fedora support 
Fedora 36 is EOL, also opendev is dropping support for Fedora images
completely since interest in running jobs on that platform is no longer
existing. CentOS 9 Stream has evolved as replacement platform for new
features.

Only drop the Zuul configuration and the tag in stack.sh for now plus
update some docs. Cleanup of the deployment code will be done in a
second step.

Change-Id: Ica483fde27346e3939b5fc0d7e0a6dfeae0e8d1e
2023-06-07 15:19:37 +02:00

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Overview

DevStack has evolved to support a large number of configuration options and alternative platforms and support services. That evolution has grown well beyond what was originally intended and the majority of configuration combinations are rarely, if ever, tested. DevStack is not a general OpenStack installer and was never meant to be everything to everyone.

Below is a list of what is specifically is supported (read that as "tested") going forward.

Supported Components

Base OS

The OpenStack Technical Committee (TC) has defined the current CI strategy to include the latest Ubuntu release and the latest RHEL release.

  • Ubuntu: current LTS release plus current development release
  • RHEL/CentOS/RockyLinux: current major release
  • Other OS platforms may continue to be included but the maintenance of those platforms shall not be assumed simply due to their presence. Having a listed point-of-contact for each additional OS will greatly increase its chance of being well-maintained.
  • Patches for Ubuntu and/or RockyLinux will not be held up due to side-effects on other OS platforms.

Databases

As packaged by the host OS

  • MySQL

Queues

As packaged by the host OS

  • Rabbit

Web Server

As packaged by the host OS

  • Apache

OpenStack Network

  • Neutron: A basic configuration approximating the original FlatDHCP mode using linuxbridge or OpenVSwitch.

Services

The default services configured by DevStack are Identity (keystone), Object Storage (swift), Image Service (glance), Block Storage (cinder), Compute (nova), Placement (placement), Networking (neutron), Dashboard (horizon).

Additional services not included directly in DevStack can be tied in to stack.sh using the plugin mechanism <plugins> to call scripts that perform the configuration and startup of the service.

Node Configurations

  • single node
  • multi-node configurations as are tested by the gate