Jenkinsfile

#!/usr/bin/groovy

/**
    this section of the pipeline executes on the master, which has a lot of useful variables that we can leverage to configure our pipeline
**/
node (''){
    env.DEV_PROJECT = env.OPENSHIFT_BUILD_NAMESPACE.replace('ci-cd','dev')
    env.DEMO_PROJECT = env.OPENSHIFT_BUILD_NAMESPACE.replace('ci-cd','demo')

    env.CI_CD_PROJECT = env.OPENSHIFT_BUILD_NAMESPACE


    // this value should be set to the root directory of your source code within the git repository.
    // if the root of the source is the root of the repo, leave this value as ""
    env.SOURCE_CONTEXT_DIR = ""
    // this value is relative to env.SOURCE_CONTEXT_DIR, and should be set to location where mvn will build the uber-jar
    env.UBER_JAR_CONTEXT_DIR = "target/"

    // this value will be passed to the mvn command - it should include switches like -D and -P
    env.MVN_COMMAND = "clean deploy"

     /**
    these are used to configure which repository maven deploys
    the ci-cd starter will create a nexus that has this repos available
    **/
    env.MVN_SNAPSHOT_DEPLOYMENT_REPOSITORY = "nexus::default::http://nexus:8081/repository/maven-snapshots"
    env.MVN_RELEASE_DEPLOYMENT_REPOSITORY = "nexus::default::http://nexus:8081/repository/maven-releases"

    /**
    this value assumes the following convention, which is enforced by our default templates:
    - there are two build configs: one for s2i, one for this pipeline
    - the buildconfig for this pipeline is called my-app-name-pipeline
    - both buildconfigs are in the same project
    **/
    env.APP_NAME = "${env.JOB_NAME}".replaceAll(/-?${env.PROJECT_NAME}-?/, '').replaceAll(/-?pipeline-?/, '').replaceAll('/','')

    // these are defaults that will help run openshift automation
    env.OCP_API_SERVER = "${env.OPENSHIFT_API_URL}"
    env.OCP_TOKEN = readFile('/var/run/secrets/kubernetes.io/serviceaccount/token').trim()
}


/**
    this section of the pipeline executes on a custom mvn build slave.
    you should not need to change anything below unless you need new stages or new integrations (e.g. Cucumber Reports or Sonar)
**/
node('jenkins-slave-mvn') {

  stage('SCM Checkout') {
    checkout scm
  }

  dir ("${env.SOURCE_CONTEXT_DIR}") {
    stage('Wait for Nexus'){
      // verify nexus is up or the build will fail with a strange error
      openshiftVerifyDeployment (
        apiURL: "${env.OCP_API_SERVER}",
        authToken: "${env.OCP_TOKEN}",
        depCfg: 'nexus',
        namespace: "${env.CI_CD_PROJECT}",
        verifyReplicaCount: true,
        waitTime: '3',
        waitUnit: 'min'
      )
    }
    stage('Build App') {
      sh "mvn ${env.MVN_COMMAND} -DaltDeploymentRepository=${MVN_SNAPSHOT_DEPLOYMENT_REPOSITORY}"
    }

    // assumes uber jar is created
    stage('Build Image') {
      sh "oc start-build ${env.APP_NAME} --from-dir=${env.UBER_JAR_CONTEXT_DIR} -w"
      openshiftVerifyBuild (bldCfg: "${env.APP_NAME}",
                     checkForTriggeredDeployments: 'false',
                     namespace: "${env.CI_CD_PROJECT}",
                     verbose: 'false',
                     waitTime: '')
    }
  }

  // no user changes should be needed below this point
  stage ('Deploy to Dev') {

    openshiftTag (apiURL: "${env.OCP_API_SERVER}", authToken: "${env.OCP_TOKEN}", destStream: "${env.APP_NAME}", destTag: 'latest', destinationAuthToken: "${env.OCP_TOKEN}", destinationNamespace: "${env.DEV_PROJECT}", namespace: "${env.CI_CD_PROJECT}", srcStream: "${env.APP_NAME}", srcTag: 'latest')

    openshiftVerifyDeployment (apiURL: "${env.OCP_API_SERVER}", authToken: "${env.OCP_TOKEN}", depCfg: "${env.APP_NAME}", namespace: "${env.DEV_PROJECT}", verifyReplicaCount: true)
  }

  stage ('Deploy to Demo') {
    input "Promote Application to Demo?"

    openshiftTag (apiURL: "${env.OCP_API_SERVER}", authToken: "${env.OCP_TOKEN}", destStream: "${env.APP_NAME}", destTag: 'latest', destinationAuthToken: "${env.OCP_TOKEN}", destinationNamespace: "${env.DEMO_PROJECT}", namespace: "${env.DEV_PROJECT}", srcStream: "${env.APP_NAME}", srcTag: 'latest')

    openshiftVerifyDeployment (apiURL: "${env.OCP_API_SERVER}", authToken: "${env.OCP_TOKEN}", depCfg: "${env.APP_NAME}", namespace: "${env.DEMO_PROJECT}", verifyReplicaCount: true)
  }
}