The Gatekeeper, or a project gating system
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Sorin Sbarnea 12e60fad90 Unpin urllib 5 days ago
doc Update component diagram for GitHub / Web events 1 day ago
etc authentication config: add optional max_validity_time, skew 1 month ago
playbooks Documentation reorg 1 week ago
releasenotes/notes Fix release note for a 3.0.2 feature 1 week ago
tests Merge "Don't add implicit role if plugin found" 1 day ago
tools On CI, use a tmpfs for ZUUL_TEST_ROOT 1 day ago
web Add estimated time remaining tooltip to UI 1 day ago
zuul Merge "Don't add implicit role if plugin found" 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 9 months ago
.mailmap Fix pep8 E127 violations 7 years ago
.stestr.conf Revert "Revert "Switch to stestr"" 1 year ago
.zuul.yaml Increase timeout for tox-py35/37 jobs 1 day ago
COPYING Update README and add GPL license 1 year ago
Dockerfile Cleanup executor specific requirements 9 months ago
LICENSE Initial commit. 7 years ago manifest: add zuul/ansible and ansible-config.conf 10 months ago
README.rst Support nodes setting 'auto' python-path 4 months ago
TESTING.rst Docs: fix stestr run example 4 days ago
bindep.txt bindep: fixed wrong dep names on rpm platform 5 days ago
requirements.txt Unpin urllib 14 hours ago
setup.cfg Cleanup executor specific requirements 9 months ago Partial sync with OpenStack requirements. 6 years ago
test-requirements.txt tox: reduce deps used for pep8 env 4 days ago
tox.ini Merge "tox: reduce deps used for pep8 env" 3 days 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.