Android app Jenkins Pipeline job configuration

Note

TL;DR - Complete example of a Jenkins pipeline for Android application builds — with Gerrit-triggered verification, Gradle-based build (./gradlew clean build), artifact archiving for non-Gerrit builds, and review label posting via setGerritReview(). - Also shows the simplified pattern using Amarula Solutions’ Verification shared library (com.amarula.Verification) with verifyBuild().

A complete example in how to configure the pipeline is given in Android Jenkins Continue integration. What is needed is configure the project in order to have verified label as shown in the picture

Pipeline Script

Node master is setup with gradle installation and android sdk in order to build android application. We are using credential of jenkins-builder-android in order to checkout code from gerrit for aevi-albert projects and amarula* groups

node('android-build') {
    def gerritTrigger = true

    stage('checkout') {
        sshagent(['9af8a985-9516-467e-b9cb-0174692fe8c0']) {
            dir("barcode-scanner-app") {
                deleteDir()
            }
            sh 'git clone ssh://jenkins-builder-amarula@gerrit-review.amarulasolutions.com:29418/aevi-albert/barcode-scanner-app -b master'
        }
        // Fetch the changeset to a local branch using the build parameters provided to the
        // build by the Gerrit plugin...
        try {
            sshagent(credentials: ['9af8a985-9516-467e-b9cb-0174692fe8c0'], ignoreMissing: true) {
                def changeBranch = "change-${GERRIT_CHANGE_NUMBER}-${GERRIT_PATCHSET_NUMBER}"
                withEnv(["changeBranch=${changeBranch}"]) {
                    dir("barcode-scanner-app") {
                        sh 'git fetch origin ${GERRIT_REFSPEC}:${changeBranch}'
                        sh 'git checkout ${changeBranch}'
                    }
                }
            }
        } catch (err) {
            println("Normal build")
            gerritTrigger = false
        }
    }

    stage('build') {
        try {
            echo "stage build"
            dir("barcode-scanner-app") {
                echo "invoke gradle"
                sh './gradlew clean'
                sh './gradlew build'
            }

            if (gerritTrigger) {
                setGerritReview()
            } else {
                archiveArtifacts artifacts: 'barcode-scanner-app/build/outputs/apk/*.apk', fingerprint: true
            }
        } catch (err) {
            if (gerritTrigger) {
                setGerritReview()
            }
            throw err
        }
    }
}

Manage of exception is suboptimal right now. This script let doing manual build and build by trigger. One important note:

If you have some shell script that need to read some environment from the groovy this should be exported using withEnv(["changeBranch=${changeBranch}"])

Using Shared library

import com.amarula.Verification

node('android-build') {
    def ver = new Verification(steps, env)

    ver.verifyBuild('9af8a985-9516-467e-b9cb-0174692fe8c0',
            'ssh://jenkins-builder-amarula@gerrit-review.amarulasolutions.com:29418/aevi-albert/barcode-scanner-app',
            {
                sh './gradlew clean build'
            }
    )

    stage('Deploy') {
        if (!ver.isTriggeredByGerrit()) {
            archiveArtifacts artifacts: 'barcode-scanner-app/build/outputs/apk/*.apk', fingerprint: true
        }
    }
}

Tip

Need automated Android app CI/CD with Gerrit verification? Amarula Solutions builds Jenkins pipelines for Android application projects with Gradle, shared libraries, and artifact management. Contact our mobile DevOps team