@Library('jenkins-library@master') _
def Label = "node-build-${UUID.randomUUID().toString()}"
pipeline {
  options {
    buildDiscarder logRotator(numToKeepStr: '10')
    disableConcurrentBuilds()
  }
  agent {
    kubernetes {
      label Label
      yaml libraryResource('adminPodDefinition.yaml')
    }
  }
  environment {
    CLOUD='cloud-it-k8s'
    DOCKER_IMAGE='iru/node'
    CHART_PATH='helm/info'
    NAMESPACE='info'
    HELM_GIT_URL='ssh://git@git.sdsys.ru:8022/iru/k8s.git'
    APP_GIT_URL='ssh://git@git.sdsys.ru:8022/iru/node.git'
    JENKINS_MAIL='jenkins.dev@sdsys.ru'
    DOCKER_REGISTRY='jcr.infoclinica.ru'
    CHART_NAME=''
    APP_DIR=''
    HELM_DIR=''
    TAG=''
  }
  parameters {
    string(
      name: "repo",
      defaultValue: "prod",
      description: "Repository to build and/or deploy from. Values - dev, prod."
    )
    string(
      name: "mailto",
      defaultValue: "admin@sdsys.ru",
      description: "Email which has to be notified."
    )
  }
  stages {
    stage("Prepare to Build") {
      steps {
        script {
          gitOps.clone(APP_GIT_URL)
          APP_DIR = dirOps.calculateDir(APP_GIT_URL)
        }
      }
    }
    stage("Build Image") {
      steps {
        script {
          dir (APP_DIR) {
            echo "Build Image with Kaniko"
            REGISTRY = DOCKER_REGISTRY + "/" + DOCKER_IMAGE
            ARGS = [ "repo=${repo}" ]
            TAG = "${repo}-${BUILD_NUMBER}"
            k8sBuildImage.kaniko(REGISTRY, TAG, ARGS)
          }
        }
      }
    }
    stage("Update Helm Chart values.yaml") {
      steps {
        script {
          echo "Update Helm Chart"
          gitOps.clone(HELM_GIT_URL)
          HELM_DIR = dirOps.calculateDir(HELM_GIT_URL)
          def data = readYaml file: "${HELM_DIR}/${CHART_PATH}/values.yaml"
          TAG_PATH = "images.${APP_DIR}.dev"
          yamlOps.updateBuilder(TAG_PATH, data, TAG)
          writeYaml file: "${HELM_DIR}/${CHART_PATH}/values.yaml", data: data, overwrite: true
        }
      }
    }
    stage("Update APP") {
      steps {
        script {
          CHART = "${HELM_DIR}/${CHART_PATH}"
          CHART_NAME = CHART_PATH.split("/")[1]
          try {
            echo "Update APP"
            k8sHelmOps.upgrade(CLOUD, NAMESPACE, CHART_NAME, CHART)
          }
          catch(err) {
            echo "Recovering APP"
            k8sHelmOps.rollback(CLOUD, NAMESPACE, CHART_NAME)
            throw err
          }
        }
      }
    }
    stage("Push changes to REPO") {
      steps {
        script {
          echo "Push changes to Repo"
          COMMIT = "Version update ${APP_DIR}"
          gitOps.push(HELM_DIR, COMMIT)
        }
      }
    }
  }
  post {
    failure {
      mail charset: 'UTF-8',
           subject: "Jenkins build ERROR",
           mimeType: 'text/html',
           to: "${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}"
    }
  }
}