Jenkins Pipeline Syntax

• Pipelines are written in Groovy language.
• Jenkins has defined certain Functions and blocks
• Jenkins has Developed DSL (Domain Specific Language)

Jenkins Pipeline – Important Definitions

• Node: Machine where Jobs get executed. Node is idenified by labels

node('LABEL') {
    // your build config
}

• Stage: Complete build activity can be broken into multiple stages.

stage('<Stage name>') {


}

# Generally stages are part of nodes

node('MAVEN') {
    stage('GIT') {

    }
    stage('BUILD'){

    }
}

• shell: Executing shell in jenkins

sh <command>

sh 'mvn clean'

• git: Executes the git clone and pull operation. Refer here

git '<url>'

Quick Wins for generating pipelines.

• Create a jenkins pipeline project and navigate to pipeline section perform the below steps

• Try to generate pipeline steps for individual activities from Freestyle Projects.
• Exercise-1: Convert every Free-Style Project to Jenkins Pipeline
• Exercise-2: Create a pipeline project with parameters