Jenkins, the heart of DevOps, is a continuous integration tool that allows developers to integrate code into a shared repository at regular intervals. The usual practice is to trigger a build as soon as the code is committed to the repository.
If you’re worried about Jenkins replacing Hudson, we can assure you that Hudson is still available as a managed project by Oracle. In fact, Jenkins was forked from the Hudson source code and later began to be supported by the open community.
The common process of Jenkins involves the following 3 steps:
Any event mapped above, is taken care of by a Jenkins job. A Jenkins job is simply a process that runs on Jenkins server to provide the above mentioned functionality.
If you’re new to Jenkins, we’re going to help you understand the basics of the Jenkins pipeline, along with the functionality aspect of Jenkins.
What is Jenkins Pipeline?
Jenkins pipeline allows us to define a complete list of events that happen in the code lifecycle. Starting from the build, to testing and deployment.
We can use a set of plugins that help in the implementation of certain processes as a continuous delivery pipeline. Where pipelines are defined using code by using groovy language to define the processes that would run in the pipeline.
To implement pipeline as code, a Jenkinsfile needs to be present at the project’s root repository.
Jenkinsfile supports two different syntax:
Declarative pipeline was a recent release and provides better syntax support over the scripted pipelines.
Why should you use Jenkins pipeline?
Understanding the pipeline
Let us see an example for multiple stages, where each stage performs a specific task:
Defining a Jenkins pipeline
The following steps run smoothly once you have the initial configuration and installations complete for Jenkins.
Go to Manage Jenkins > Manage Plugins > Available section > Search Pipeline.
If you are already installed Pipeline It will display in the Installed section.
Create a new project with the Pipeline.
After creating Pipeline Project the following window should appear:
This is where we write pipeline code.
The two options seen in the image are as follows:
Training and testing is a crucial aspect of the Software Development Life Cycle. Jenkins Pipeline helps you test your software pipelines without any hassle. And now training has become a part of Engati’s culture, and we extend this to our clients by providing a training module for chatbots to guarantee customer satisfaction.
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