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 33fef37bc5 Merge "Refactor `self.event_queues` in tests" 1 day ago
doc Merge "Pagure: remove connectors burden and simplify code" 4 days ago
etc authentication config: add optional max_validity_time, skew 3 months ago
playbooks Remove fix-tox workaround for python3.5 2 weeks ago
releasenotes/notes Merge "Match tag items against containing branches" 4 weeks ago
tests Refactor `self.event_queues` in tests 1 day ago
tools Make most test cases work on MacOS 1 month ago
web web ui: fix buildset display when no builds 1 month ago
zuul Merge "Consolidate scheduler pause/exit as hibernation" 1 day ago
.coveragerc Revert "Revert "Switch to stestr"" 1 year 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 11 months ago
.mailmap Fix pep8 E127 violations 7 years ago
.stestr.conf Revert "Revert "Switch to stestr"" 1 year ago
.zuul.yaml Remove fix-tox workaround for python3.5 2 weeks ago
COPYING Update README and add GPL license 2 years ago
Dockerfile Remove stretch-backports from docker build 3 weeks ago
LICENSE Initial commit. 7 years ago Optimize canMerge using graphql 1 month ago
README.rst Support nodes setting 'auto' python-path 6 months ago
TESTING.rst Docs: fix stestr run example 2 months ago
bindep.txt Install unzip on all platforms 1 week ago
requirements.txt Declare support for Python3.8 3 weeks ago
setup.cfg Declare support for Python3.8 3 weeks ago Partial sync with OpenStack requirements. 6 years ago
test-requirements.txt Optimize canMerge using graphql 1 month ago
tox.ini Declare support for Python3.8 3 weeks 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.