Jenkinsfile.baseDocker

#!groovy

pipeline {
    agent {
        label 'LimitedEmulator'
    }

    environment {
        DOCKERFILE = 'Dockerfile.jenkins'
        DOCKER_DIR = 'docker'
        DOCKER_REPO = "catrobat"
    }
    
    options {
        timeout(time: 2, unit: 'HOURS')
        timestamps()
        buildDiscarder(logRotator(numToKeepStr: '30'))
    }

    triggers {
        cron(env.BRANCH_NAME == 'develop' ? '@midnight' : '')
    }

    stages {
        stage('Build docker image') {
            steps {
                // Build docker image
                // Use --pull to force pull base docker image
                // Use --force-rm  and --no-cache to remove intermediate images and not use cache
                sh '''#!/bin/bash
                    BUILD_ARGS="--build-arg USER_ID=$(id -u) --build-arg GROUP_ID=$(id -g) --build-arg KVM_GROUP_ID=$(getent group kvm | cut -d: -f3)"
                    docker build --pull --force-rm --no-cache -t ${IMAGE_NAME} $BUILD_ARGS -f $DOCKER_DIR/$DOCKERFILE $DOCKER_DIR
                '''
            }
        }

        stage('Tag and push docker image') {
            steps {
                script {
                    // Push image to dockerhub use credentials
                    withCredentials([usernamePassword(credentialsId: 'catrobat-dockerhub', passwordVariable: 'PASSWORD', usernameVariable: 'USERNAME')]) {
                        sh 'docker login -u $USERNAME -p $PASSWORD'
                    }

                    // Tag image with YearMonthDay+BuildNumber
                    sh 'docker tag ${IMAGE_NAME} $DOCKER_REPO/${IMAGE_NAME}:$(date +%Y%m%d).${BUILD_NUMBER}'
                    sh 'docker push $DOCKER_REPO/${IMAGE_NAME}:$(date +%Y%m%d).${BUILD_NUMBER}'

                    if (env.TAG_STABLE?.toBoolean()) {
                        sh 'docker tag ${IMAGE_NAME} $DOCKER_REPO/${IMAGE_NAME}:stable'
                        sh 'docker push $DOCKER_REPO/${IMAGE_NAME}:stable'
                    }

                    if (env.TAG_TESTING?.toBoolean()) {
                        sh 'docker tag ${IMAGE_NAME} $DOCKER_REPO/${IMAGE_NAME}:testing'
                        sh 'docker push $DOCKER_REPO/${IMAGE_NAME}:testing'
                    }
                }
            }
        }
    }

    post {
        always {
            sh 'docker logout'
        }
        changed {
            node('master') {
                notifyChat()
            }
        }
    }
}