The Gatekeeper, or a project gating system
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Tristan Cacqueray af910d9d8e ansible-config: pin ara to <1.0.0 1 day ago
doc Merge "Install latest git-review from PyPI in quickstart" 1 day ago
etc Fix indent error for layout.yaml-sample. 11 months ago
playbooks Install latest git-review from PyPI in quickstart 3 days ago
releasenotes/notes Merge "Support Ansible 2.8" 1 week ago
tests Merge "pass-to-parent: Fix passing multiple secrets to parent" 2 days ago
tools encrypt: Fix SSL error when using file pubkey 1 month ago
web Merge "Revert "web: upgrade react and react-scripts to ^2.0.0"" 1 week ago
zuul ansible-config: pin ara to <1.0.0 1 day ago
.coveragerc Revert "Revert "Switch to stestr"" 1 year ago
.dockerignore Add web/node_modules to dockerignore 3 months ago
.gitignore Fix ignored but tracked .keep file 5 months ago
.gitreview OpenDev Migration Patch 1 month ago
.mailmap Fix pep8 E127 violations 6 years ago
.stestr.conf Revert "Revert "Switch to stestr"" 1 year ago
.zuul.yaml Increase timeout of zuul-tox-remote 1 week ago
COPYING Update README and add GPL license 1 year ago
Dockerfile Cleanup executor specific requirements 1 month ago
LICENSE Initial commit. 7 years ago manifest: add zuul/ansible and ansible-config.conf 2 months ago
README.rst Update references for opendev 1 month ago
TESTING.rst tox: Integrate tox-docker 1 month ago
bindep.txt Install virtualenv from source 2 months ago
requirements.txt Install virtualenv from source 2 months ago
setup.cfg Cleanup executor specific requirements 1 month ago Partial sync with OpenStack requirements. 5 years ago
test-requirements.txt Cap mypy 5 months ago
tox.ini Merge "tox: Integrate tox-docker" 1 week 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 v3 requires Python 3. It does not support Python 2.

As Ansible is used for the execution of jobs, it's important to note that while Ansible does support Python 3, not all of Ansible's modules do. Zuul currently sets ansible_python_interpreter to python2 so that remote content will be executed with Python 2.