Charmed OpenStack Upgrader¶
Charmed OpenStack Upgrader (COU) is an application (packaged as a snap) to upgrade a Canonical distribution of Charmed OpenStack in an automated and frictionless manner. The application detects the version of the running cloud and proposes an upgrade plan to the next available OpenStack release.
COU follows the steps defined in the charm-guide upgrades overview, and it supports the upgrades for the following OpenStack releases:
From |
To |
|---|---|
Focal/Ussuri |
Focal/Victoria |
Focal/Victoria |
Focal/Wallaby |
Focal/Wallaby |
Focal/Xena |
Focal/Xena |
Focal/Yoga |
Jammy/Yoga |
Jammy/Zed |
Jammy/Zed |
Jammy/Antelope |
Jammy/Antelope |
Jammy/Bobcat |
Jammy/Bobcat |
Jammy/Caracal |
Source code available on Github.
In this documentation¶
Start here to prepare the environment and install the application
Step-by-step guides covering key operations and common tasks
Technical information - commands, environmental variables, and known issues
Additional information - details of upgrade phases and scopes defined in COU
Project and community¶
COU is a member of the Ubuntu family. It’s an open source project that warmly welcomes community contributions, suggestions, fixes and constructive feedback.
We follow the Ubuntu community Code of conduct
Contribute to the project on GitHub (documentation contributions go under the docs/ directory)
GitHub is also our central hub for bug tracking and issue management