The Gatekeeper, or a project gating system
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Zuul 22af945568 Merge "Reduce sleep to avoid race conditions" 9 months ago
doc Revert "Add the process environment to zuul.conf parser" 9 months ago
etc Web: plug the authorization engine 1 year ago
playbooks Handle new default of uncompressed job-output 10 months ago
releasenotes/notes Merge "Remove --id option for autohold_delete/autohold_info" 9 months ago
tests Merge "Reduce sleep to avoid race conditions" 9 months ago
tools Document js tool installation in scratch doc 11 months ago
web Merge "Include session expired reason in API fetch error message." 10 months ago
zuul Revert "Add the process environment to zuul.conf parser" 9 months ago
.coveragerc Revert "Revert "Switch to stestr"" 2 years ago
.dockerignore Add web/node_modules to dockerignore 1 year ago
.gitignore Fix ignored but tracked .keep file 1 year ago
.gitreview OpenDev Migration Patch 1 year ago
.mailmap Fix pep8 E127 violations 7 years ago
.stestr.conf Revert "Revert "Switch to stestr"" 2 years ago
.zuul.yaml Replace tox-py36 by tox-py37 10 months ago
COPYING Update README and add GPL license 2 years ago
Dockerfile Cleanup executor specific requirements 1 year ago
LICENSE Initial commit. 8 years ago manifest: add zuul/ansible and ansible-config.conf 1 year ago
README.rst Support nodes setting 'auto' python-path 10 months ago
TESTING.rst tox: Integrate tox-docker 1 year ago
bindep.txt Update install for buster 9 months ago
requirements.txt Don't use urllib3 1.25.4 10 months ago
setup.cfg Cleanup executor specific requirements 1 year ago Partial sync with OpenStack requirements. 6 years ago
test-requirements.txt web: add OpenAPI documentation 1 year ago
tox.ini Merge "Don't install zuul in the bindep tox testenv" 10 months ago



Zuul is a project gating system.

The latest documentation for Zuul v3 is published at:

If you are looking for the Edge routing service named Zuul that is related to Netflix, it can be found here:

If you are looking for the Javascript testing tool named Zuul, it can be found here:

Getting Help

There are two Zuul-related mailing lists:


A low-traffic announcement-only list to which every Zuul operator or power-user should subscribe.


General discussion about Zuul, including questions about how to use it, and future development.

You will also find Zuul developers in the #zuul channel on Freenode IRC.


To browse the latest code, see: To clone the latest code, use git clone

Bugs are handled at:!/project/zuul/zuul

Suspected security vulnerabilities are most appreciated if first reported privately following any of the supported mechanisms described at

Code reviews are handled by gerrit at

After creating a Gerrit account, use git review to submit patches. Example:

# Do your commits
$ git review
# Enter your username if prompted

Join #zuul on Freenode to discuss development or usage.


Zuul is free software. Most of Zuul is licensed under the Apache License, version 2.0. Some parts of Zuul are licensed under the General Public License, version 3.0. Please see the license headers at the tops of individual source files.

Python Version Support

Zuul requires Python 3. It does not support Python 2.

Since Zuul uses Ansible to drive CI jobs, Zuul can run tests anywhere Ansible can, including Python 2 environments.