How to trigger Jenkins build with parameters from Gitlab webhook?

[Mark Allison]

I have GitLab Community Edition 8.15.2 successfully trigger pipeline projects in Jenkins 2.32.1 using a webhook (but without any parameters). I want the gitlab push to trigger a build with parameters but the parameter value is null when it comes through to Jenkins so the build fails.

The gitlab webhook looks like:

http://jenkins.server:8080/project/project-a/buildWithParameters?MYPARAM=foo

In my pipeline project I echo the parameter value out with

echo "MYPARAM: ${MYPARAM}"

and it's not set to anything. Any ideas on where I've gone wrong?

[David Karr]

I'm not sure if this matters, but did you define that parameter in the
pipeline job?

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[Mark Allison]

I have defined it outside of the pipeline script in the This project is parameterised section. Is that what you mean? I haven't defined anything in the pipeline itself. Do I need to do it there? If so, what is the syntax?

Thanks

[Indra Gunawan (ingunawa)]

It should be “echo MYPARAM: ${env.MYPARAM}” in pipeline

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[Mark Allison]

I don't think that's correct because when I invoke the job manually and set parameters, then they show up in the echo command. However, when I use the webhook from gitlab, the parameter values don't show up.

[vitorarr...@gmail.com]

Hello There. Any luck with this?