def POD_LABEL="servicedemo-${UUID.randomUUID().toString()}"
def REGISTRY="docker.home.thejimnicholson.com/servicedemo"
def POM_VERSION="unknown"
def MVN_OPTS="-B -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn"


podTemplate(label: POD_LABEL, containers: [
  containerTemplate(
    name: 'maven',
    image: 'maven:3.8.4-openjdk-11',
    command: 'sleep',
    args: '30d'
  ),
  containerTemplate(
    name: 'kaniko',
    image: 'gcr.io/kaniko-project/executor:debug',
    command: 'sleep',
    args: '30d'
  )
], workspaceVolume: dynamicPVC()) {
  node(POD_LABEL) {
    stage('Checkout') {
      checkout scm
      sh "git fetch"
      GIT_HASH = sh (
        script: 'git rev-parse --short HEAD',
        returnStdout: true
      ).trim()
      GIT_TAG = sh (
        script: 'git describe --tags --always --dirty=-dirty',
        returnStdout: true
      ).trim()

      container('maven') {
        stage('Prep') {
          sh """
            mvn org.apache.maven.plugins:maven-dependency-plugin:2.8:get -Dartifact=fr.brouillard.oss:jgitver:0.14.0:jar:executable ${MVN_OPTS}
          """
        }
        stage('Build') {
          sh """
            mvn clean package -B -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
          """
          POM_VERSION=sh (
            script: "java -jar /root/.m2/repository/fr/brouillard/oss/jgitver/0.14.0/jgitver-0.14.0-executable.jar",
            returnStdout: true
          )
        }
      }
      container('kaniko') {
        stage('Image') {
          ansiColor('xterm') {
           sh "/kaniko/executor \
               -f `pwd`/Dockerfile \
               -c `pwd` \
               --insecure \
               --skip-tls-verify \
               --tarPath ./target/servicedemo-${POM_VERSION}.image.tar \
               --destination=${REGISTRY}servicedemo:${POM_VERSION} \
               --destination=${REGISTRY}servicedemo:${GIT_TAG}"

          }
        }
        stage('Archive') {
          archiveArtifacts artifacts: 'target/*.tar', followSymlinks: false
          archiveArtifacts artifacts: 'target/*.jar', followSymlinks: false
        }
      }
    }
  }
}