Jenkinsfile

def label = UUID.randomUUID().toString()

timestamps {

  podTemplate(label: label, yaml: """
apiVersion: v1
kind: Pod
spec:
  serviceAccountName: jenkins
  containers:
  - name: maven
    command:
    - cat
    tty: true
    env:
    - name: MAVEN_OPTS
      value: -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
    - name: BUILD_NUMBER
      value: ${env.BUILD_NUMBER}
    - name: BRANCH_NAME
      value: ${env.BRANCH_NAME}
    - name: _JAVA_OPTIONS
      value: -Xmx300M
    image: maven:3.5.4-jdk-8
    resources:
      limits:
        memory: 1500Mi
      requests:
        cpu: 100m
        memory: 1500Mi
  - name: docker
    command:
    - cat
    tty: true
    image: docker:18.09
    env:
    - name: BUILD_NUMBER
      value: ${env.BUILD_NUMBER}
    - name: BRANCH_NAME
      value: ${env.BRANCH_NAME}
    volumeMounts:
    - name: 'docker-socket'
      mountPath: /var/run/docker.sock
  - name: kubectl
    image: gcr.io/cloud-builders/kubectl
    command:
    - cat
    tty: true 
  volumes:
  - name: 'docker-socket'
    hostPath:
     path: /var/run/docker.sock
     type: File
    """) {
    node(label) {
      stage('Checkout') {
        checkout scm
      }
      stage('Package') {
        try {
          container('maven') {
            sh 'mvn -B clean install -Dmaven.test.skip=true'
          }
          container('docker'){
            
          withCredentials([usernamePassword( credentialsId: 'fb615dd7-9a9c-416c-b747-8a55b473bc41', usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD')]) {
            docker.withRegistry('', 'fb615dd7-9a9c-416c-b747-8a55b473bc41') {
              sh "docker login -u ${USERNAME} -p ${PASSWORD}"
              def dockerImage = docker.build("ottovsky/devoptics-quickstart-app:${env.BUILD_ID}")
              dockerImage.push()
            }
          }
          }
            
        } finally {
          archiveArtifacts allowEmptyArchive: true, artifacts: '**/target/*.jar'
        }
      }
      stage('Deploy to k8s') {
        container('kubectl'){
          sh "kubectl get deployment devoptics-staging && kubectl set image deployment/devoptics-staging devoptics-staging=ottovsky/devoptics-quickstart-app:${env.BUILD_ID} || echo"
          sh "kubectl get deployment devoptics-staging || kubectl run --image ottovsky/devoptics-quickstart-app:${env.BUILD_ID} devoptics-staging -- /bin/sh -c 'while true; do java -cp /devoptics-quickstart-1.0-SNAPSHOT.jar devoptics.App; sleep 5; done'"
        }
      }
    }
  }

}