At this moment we use JJB to compile Jenkins jobs (mostly pipelines already) in order to configure about 700 jobs but JJB2 seems not to scale well to build pipelines and I am looking for a way to drop it from the equation.
Mainly i would like to be able to have all these pipelines stored in a single centralized repository.
Please note that keeping the CI config (Jenkinsfile) inside each repository and branch is not possible in our use case, we need to keep all pipelines in a single "jenkins-jobs.git" repo.
Creating Multi-branch Pipelines. The Multibranch Pipeline project type enables you to configure different jobs for different branches of the same project. In a multi-branch pipeline configuration, Jenkins automatically discovers, manages, and executes jobs for multiple source repositories and branches.
Head over to your Jenkins instance and create a new item. Enter a name for the job, and select the “Multibranch Pipeline” option at the end of the screen. Then, click on the OK button. In the next screen, go to the “Branch sources” tab, click on the “Add source” button, and choose “Git” from the dropdown menu.
Different Types of Jenkins CI/CD Pipelines. Scripted Pipeline. Declarative Pipeline.
As far as I know this is not possible yet, but in progress. See: https://issues.jenkins-ci.org/browse/JENKINS-43749
I think this is the purpose of jenkins shared libraries
I didn't dev such library my-self but I am using some. Basically:
@Library
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