How to trigger a downstream job in Jenkins?
This blog post will lead you through the steps how to trigger a downstream Freestyle job or Pipeline workflow from an upstream Freestyle project. We will also show how to pass a parameter from Freestyle project to the downstream workflow or job.
What can you do with promoted builds in Jenkins?
When a build is promoted, you can have Jenkins perform some actions (such as running a shell script, triggering other jobs, etc. — or in Jenkins lingo, you can run build steps.) This is useful for example to copy the promoted build to somewhere else, deploy it to your QA server.
How to manually trigger a manually triggered downstream job?
Once you manually promote a specific build of upstream job, it will fire up a build of downstream job. But the downstream job will not appear on the pipeline. The Build Pipeline Plugin can do this, but at the time of this writing, not in any released version.
Why are trigger plugins not supported in Jenkins?
The reason is that some trigger plugins do not support pipelines yet. E.g. I was trying to use the Bitbucket Pullrequest Builder Plugin within a pipeline project, but I got a java traceback. The same triggering mechanism works for Freestyle projects, though.
What’s the problem with trigger pipeline in Jenkins?
The main problem is getting the builds to trigger each other, because basically a build in a specific upstream branch, needs to trigger a downstream branch. How ever the information what downstream branches need to be triggered is not known to the upstream project.
When does some project get built in Jenkins?
That at least gets Jenkins to acknowledge that it should be triggering when ‘some_project’ get’s built i.e it appears in the “View Configuration” page. However so far builds of ‘some_project’ still don’t trigger the downstream project as expected. That being said maybe you’ll have more luck.
Is there a multi branch pipeline in Jenkins?
Currently all that works, but the amount of work required to setup a new branch or to tweak the building process is a lot, since many different projects need to be altered by hand. Now I wanted to give the new pipelines a try.