@Library('jenkins-library-iru@master') _
def Label = "web-registration-promo-build-${UUID.randomUUID().toString()}"
pipeline {
  options {
    buildDiscarder logRotator(numToKeepStr: '10')
    disableConcurrentBuilds()
  }
  agent {
    kubernetes {
      label Label
      yaml libraryResource('promoPodDefinition.yaml')
    }
  }
  environment {
    CONTEXT='provision@sdsys.office'
    DOCKER_IMAGE='web-registration/promo'
    NAMESPACE='info'
    HELM_GIT_URL='ssh://git@git.sdsys.ru:8022/iru/k8s.git'
    APP_GIT_URL='git@github.com:icruportal/web-registration.git'
    SOURCE_GIT_URL='git@github.com:icruportal/web-registration.git'
    JENKINS_MAIL='jenkins.dev@sdsys.ru'
    DOCKER_REGISTRY='images.sdsys.ru'
    VALUES_FILE = ''
    SOURCE_DIR=''
    HELM_DIR=''
    TAG=''
  }
  parameters {
    string(
      name: "branch",
      defaultValue: "release",
      description: "Which branch to use"
    )
    string(
      name: "mailto",
      defaultValue: "admin@sdsys.ru",
      description: "Email which has to be notified."
    )
  }
  stages {
    stage("Prepare to build") {
      steps {
        script {
          echo "Pull ${SOURCE_GIT_URL}"
          gitOps.clone(SOURCE_GIT_URL)
          echo "CheckOut ${branch}"
          SOURCE_DIR = dirOps.calculateDir(SOURCE_GIT_URL)
          gitOps.checkout(SOURCE_DIR, branch)
          echo "Save Version"
          dir(SOURCE_DIR) {
            sh 'echo $(git log -p -1 --pretty=format:"%h"|head -n1) > version'
          }
          HELM_DIR = dirOps.calculateDir(HELM_GIT_URL)
          CHART_PATH = HELM_DIR + "/helm/"+ DOCKER_IMAGE.split("/")[0]
          VALUES_FILE = "${CHART_PATH}/dev.yaml"
        }
      }
    }
    stage("Build APP") {
      steps {
        script {
          echo "Build customer-api"
          dir("${SOURCE_DIR}/customer-api") {
            buildOps.maven()
          }
          echo "Build Promo"
          dir("${SOURCE_DIR}/" + DOCKER_IMAGE.split("/")[1]) {
            buildOps.gradle()
          }
        }
      }
    }
    stage("Build Image") {
      steps {
        script {
          sh "cp ${SOURCE_DIR}/promo/build/libs/promo-0.0.1-SNAPSHOT.war ."
          sh "cp ${SOURCE_DIR}/version ."
          COMMIT = sh(script: "cat version 2> /dev/null", returnStdout: true).trim()
          IMAGE_TO_PUSH = "${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${COMMIT}-${BUILD_NUMBER}"
          echo "Build ${IMAGE_TO_PUSH} with Kaniko"
          k8sBuildImage.kaniko(IMAGE_TO_PUSH)
        }
      }
    }
    stage("Update Helm Chart dev.yaml") {
      steps {
        script {
          TAG_PATH = "images." + DOCKER_IMAGE.split("/")[1]
          echo "Update ${TAG_PATH} to ${IMAGE_TO_PUSH} in ${VALUES_FILE}"
          gitOps.clone(HELM_GIT_URL)
          def data = readYaml file: "${VALUES_FILE}"
          yamlOps.updateBuilder(TAG_PATH, data, IMAGE_TO_PUSH)
          writeYaml file: "${VALUES_FILE}", data: data, overwrite: true
        }
      }
    }
    stage("Update APP") {
      steps {
        script {
          RELEASE_NAME = DOCKER_IMAGE.split("/")[0]
          NAMESPACE = DOCKER_IMAGE.split("/")[0]
          try {
            echo "Update APP"
            k8sHelmOps.upgrade(CONTEXT, NAMESPACE, RELEASE_NAME, CHART_PATH, VALUES_FILE)
          }
          catch(err) {
            echo "Recovering APP"
            k8sHelmOps.rollback(CONTEXT, NAMESPACE, RELEASE_NAME)
            throw err
          }
        }
      }
    }
    stage("Push changes to REPO") {
      steps {
        script {
          echo "Push changes to Repo"
          COMMIT = "Version update " + DOCKER_IMAGE.split("/")[1]
          gitOps.push(HELM_DIR, COMMIT)
        }
      }
    }
  }
  post {
    failure {
      mail charset: 'UTF-8',
           subject: "Jenkins build ERROR",
           mimeType: 'text/html',
           to: "${mailto}",
           body: "<b>ATTENTION!!!</b> <b><br> Jenkins job failed.\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nURL Build:</b> ${RUN_DISPLAY_URL}"
    }
  }
}