Jenkinsfile

node('maven') {
  stage('Build App') {
    git url: "https://github.com/modernize-legacy-apps/monolith.git"
    sh "mvn clean package -Popenshift"
  }
  stage('Integration Test') {
    sh "mvn verify"
  }
  stage('Build Image') {
    sh "oc start-build cart --from-file=deployments/ROOT.war --follow"
  }
  stage('Deploy') {
    openshiftDeploy depCfg: 'coolstore'
    openshiftVerifyDeployment depCfg: 'coolstore', replicaCount: 1, verifyReplicaCount: true
  }
  stage('Component Test') {
    sh "curl -s -X POST http://coolstore-dev.coolstore.svc.cluster.local:8080/services/catalog"
  }

  def tag="blue"
  def altTag="green"
  
  stage('Promote') {
    sh "oc get route coolstore -n collstore -o jsonpath='{ .spec.to.name }' > activeservice"
    activeService = readFile('activeservice').trim()
    if (activeService == "coolstore-prod-blue") {
      tag = "green"
      altTag = "blue"
    }
    openshiftTag sourceStream: 'cart', sourceTag: 'latest', namespace: 'coolstore', destinationStream: 'coolstore', destinationTag: "coolstore-prod-${tag}", destinationNamespace: 'coolstore'
    sleep 10
    openshiftVerifyDeployment deploymentConfig: "coolstore-prod-${tag}", replicaCount: '1', verifyReplicaCount: true, namespace: 'prod'
  }

  stage('End-To-End Test') {
    sh "curl -s -X POST http://coolstore-prod-${tag}.coolstore.svc.cluster.local:8080/services/catalog"
  }

  stage('Approve Go Live') {
    timeout(time:15, unit:'MINUTES') {
      input message:'Go Live in Prod?'
    }
  }

  stage('Go Live') {
    sh "oc set route-backends coolstore-prod coolstore-prod-${tag}=100 coolstore-prod-${altTag}=0 -n coolstore"
  }
}