@Library('jenkins-library@master') _
def Label = "node-lab-build-${UUID.randomUUID().toString()}"
pipeline {
  options {
    buildDiscarder logRotator(numToKeepStr: '10')
    disableConcurrentBuilds()
    timeout(time: 10, unit: 'MINUTES')
  }
  agent {
    kubernetes {
      label Label
      yaml libraryResource('deployPodDefinition.yaml')
    }
  }
  environment {
    CLOUD='cloud-it-k8s'
    DOCKER_IMAGE='lab/node'
    CHART_SUBPATH='helm/lab'
    NAMESPACE='lab'
    HELM_GIT_URL='ssh://git@git.sdsys.ru:8022/labportal/k8s.git'
    APP_GIT_URL='ssh://git@git.sdsys.ru:8022/labportal/node.git'
    JENKINS_MAIL='jenkins.dev@sdsys.ru'
    DOCKER_REGISTRY='jcr.infoclinica.ru'
    CHART_NAME=''
    CHART_PATH=''
    PROJECT=''
    HELM_DIR=''
    TAG=''
  }
  parameters {
    string(
      name: "mailto",
      defaultValue: "admin@sdsys.ru",
      description: "Email which has to be notified."
    )
  }
  stages {
    stage("Prepare to Update") {
      steps {
        script {
          echo "Pull Repo"
          gitOps.clone(HELM_GIT_URL)
          HELM_DIR = dirOps.calculateDir(HELM_GIT_URL)
          CHART_PATH = "${HELM_DIR}/${CHART_SUBPATH}"
          PROJECT = DOCKER_IMAGE.split("/")[1]
        }
      }
    }
    stage("Update Helm Chart values.yaml") {
      steps {
        script {
          echo "Update values.yaml"
          def data = readYaml file: "${CHART_PATH}/values.yaml"
          TAG_PATH = "images.${PROJECT}.dev"
          TAG = yamlOps.getBuilder(TAG_PATH, data)
          TAG_PATH = "images.${PROJECT}.prod"
          yamlOps.updateBuilder(TAG_PATH, data, TAG)
          writeYaml file: "${CHART_PATH}/values.yaml", data: data, overwrite: true
        }
      }
    }
    stage("Update APP") {
      steps {
        script {
          RELEASENAME = CHART_SUBPATH.split("/")[1]
          try {
            echo "Update APP"
            k8sHelmOps.upgrade(CLOUD, NAMESPACE, RELEASENAME, CHART_PATH, 'dev')
          }
          catch(err) {
            echo "Recovering APP"
            k8sHelmOps.rollback(CLOUD, NAMESPACE, RELEASENAME)
            throw err
          }
        }
      }
    }
    stage("Push changes to REPO") {
      steps {
        script {
          echo "Push changes to Repo"
          COMMIT = "Version update ${PROJECT}"
          gitOps.push(HELM_DIR, COMMIT)
        }
      }
    }
    stage("Tagging Image") {
      steps {
        script {
          echo "Tagging ${TAG} to latest"
          IMAGE = "${DOCKER_REGISTRY}/${DOCKER_IMAGE}"
          k8sBuildImage.crane(IMAGE, TAG, 'latest')
        }
      }
    }
  }
  post {
    failure {
      mail charset: 'UTF-8',
           subject: "Jenkins build ERROR",
           mimeType: 'text/html',
           to: "${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}"
    }
  }
}