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#Jenkins promotee specific job how to
#Jenkins promotee specific job manual
#Jenkins promotee specific job upgrade

Here is how the multi-branch pipeline works. The following image shows how a multi-branch pipeline workflow would look like for the above example build process This workflow can be achieved easily through a Jenkins multi-branch pipeline. This workflow builds a great feedback loop for engineers and avoids dependence on the DevOps team to build and deploy in non-prod environments.ĭeveloper can check the build status on Github and take decisions on what to do next.

#Jenkins promotee specific job manual

It should trigger a build pipeline that will run the unit test cases, code analysis, push artifact, and deploys it to dev/QA environments.įrom the above conditions, you can see that there is no manual trigger of Jenkins jobs, and whenever there is a pull request for a branch, the pipeline needs to be triggered automatically and run the required steps for that branch.

When the code is ready for release, developers raise a PR from the develop branch to the master.

After testing the code successfully in the feature branch, the developer merges the PR to the develop branch.

Whenever a developer raises a PR from the feature branch to develop a branch, a Jenkins pipeline should trigger to run a unit test and static code analysis.

Development starts with a feature branch by developers committing code to the feature branch.

Let’s say I want a Jenkins pipeline to build and deploy an application with the following conditions. I will walk you through a basic build and deployment workflow to understand how a multi-branch pipeline work.

#Jenkins promotee specific job upgrade

One such example is having a continuous delivery pipeline for Docker image or a VM image patching, building, and upgrade process. You can use it to manage your infrastructure code as well. So whenever the developer raises the PR from the feature branch to some other branch, the pipeline will run the unit testing and sonar analysis stages skipping the deployment stage.Īlso, multi-branch pipelines are not limited to the continuous delivery of applications. You can add conditional logic to the Jenkinsfile to build jobs based on the branch requirement.įor example, if you want the feature branch to run only unit testing and sonar analysis, you can have a condition to skip the deployment stage with a when a condition, as shown below. So if you are looking for a PR based Jenkins build workflow, this is a great option. If you have this configuration enabled, builds will get triggered only if a PR is raised. Meaning, branches get discovered automatically in the pipeline if someone raises a PR (pull request) from a branch. Multi-branch pipeline supports PR based branch discovery. You can choose to exclude selected branches if you don’t want them to be in the automated pipeline with Java regular expressions. SCM (Source Control) can be Github, Bitbucket, or a Gitlab repo. When the pipeline build starts, Jenkins uses the Jenkinsfile in that branch for build stages.

It can automatically discover new branches in the source control (Github) and automatically create a pipeline for that branch. What is a Multi-branch Pipeline?Ī multi-branch pipeline is a concept of automatically creating Jenkins pipelines based on Git branches. I’ll also show you how a multi-branch pipeline works with a detailed workflow diagram.

Specifically, in this section, I will cover the concept of a multi-branch pipeline and why it is essential to use it for all Jenkins CI/CD pipelines. Let’s start with the multi-branch pipeline basics. Jenkins Multibranch Pipeline Fundamentals This guide will talk about all the key concepts involved in a Jenkins multi-branch pipeline setup. Jenkins’s multi-branch pipeline is one of the best ways to design CI/CD workflows as it is entirely a git-based (source control) pipeline as code.

#Jenkins promotee specific job how to

If you are looking for a well-automated Pull Request based or branch-based Jenkins Continuous Integration & Delivery (CI/CD) pipeline, this guide will help you get the overall picture of how to achieve it using the Jenkins multibranch pipeline.