Since Gerrit 2.7 the stream-events is only available to users that are granted the "Stream Events" permission. Change-Id: I38960b3647145043a31e5c948141831a84643753
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Triggers
Triggers
The process of merging a change starts with proposing a change to be merged. Primarily, Zuul supports Gerrit as a triggering system. Zuul's design is modular, so alternate triggering and reporting systems can be supported.
Gerrit
Zuul works with standard versions of Gerrit by invoking the
gerrit stream-events
command over an SSH connection. It
also reports back to Gerrit using SSH.
Gerrit Configuration
Zuul will need access to a Gerrit user. Consider naming the user Jenkins so that developers see that feedback from changes is from Jenkins (Zuul attempts to stay out of the way of developers, most shouldn't even need to know it's there).
Create an SSH keypair for Zuul to use if there isn't one already, and create a Gerrit user with that key:
cat ~/id_rsa.pub | ssh -p29418 gerrit.example.com gerrit create-account --ssh-key - --full-name Jenkins jenkins
Give that user whatever permissions will be needed on the projects
you want Zuul to gate. For instance, you may want to grant
Verified +/-1
and Submit
to the user.
Additional categories or values may be added to Gerrit. Zuul is very
flexible and can take advantage of those.
If using Gerrit 2.7 or later, make sure the user is a member of a
group that is granted the Stream Events
permission,
otherwise it will not be able to invoke the
gerrit stream-events
command over SSH.
Timer
A simple timer trigger is available as well. It supports triggering jobs in a pipeline based on cron-style time instructions.
Zuul
The Zuul trigger generates events based on internal actions in Zuul.