jenkins Getting started with jenkins Configure a simple build project with Jenkins 2 pipeline script

Example

Here we will be creating a Groovy pipeline in Jenkins 2 to do the following steps :

• Verify every 5 minutes if new code has been commited to our project
• Checkout code from SCM repo
• Maven compile of our Java code
• Run our integration tests and publish the results

Here are the steps we will :

1. Make sure we have at least a 2.0 Jenkins version (you can check that in the bottom-right corner of your page) such as :

   

2. On Jenkins home page, click on New Item

3. Enter project name and select Pipeline

4. In Build Triggers section, select Poll SCM option and add the following 5 minutes CRON schedule : */5 * * * *

5. In Pipeline section, choose either Pipeline Script or Pipeline Script from SCM

6. If you selected Pipeline Script from SCM on previous step, you now need to specify your SCM repository (Git, Mercurial, Subversion) URL in Repository URL such as http://github.com/example/example.git. You also need to specify the Script Path of your Groovy script file in your example.git repository, e.g. pipelines/example.groovy

7. Copy the following Groovy code, either directly in the Groovy script window if you previously clicked Pipeline Script or in your example.groovy if you choosed Pipeline Script from SCM

node('remote') {
    // Note : this step is only needed if you're using direct Groovy scripting
    stage 'Checkout Git project'
    git url: 'https://github.com/jglick/simple-maven-project-with-tests.git'
    def appVersion = version()
    if (appVersion) {
        echo "Building version ${appVersion}"
    }

    stage 'Build Maven project'
    def mvnHome = tool 'M3'
    sh "${mvnHome}/bin/mvn -B -Dmaven.test.failure.ignore verify"
    step([$class: 'JUnitResultArchiver', testResults: '**/target/surefire-reports/TEST-*.xml'])
}
def version() {
    def matcher = readFile('pom.xml') =~ '<version>(.+)</version>'
    matcher ? matcher[0][1] : null
}

Here you go, you should now be able to compile and test your first Jenkins project using Jenkins 2 Groovy pipeline.