JenkinsfileDemoNodejs

def label = "slave-${UUID.randomUUID().toString()}"

podTemplate(label: label, cloud: 'k8s', serviceAccount: 'jenkins2', containers: [
  containerTemplate(name: 'node', image: 'node:13.6', command: 'cat', ttyEnabled: true),
  containerTemplate(name: 'docker', image: 'docker', command: 'cat', ttyEnabled: true),
  containerTemplate(name: 'kubectl', image: 'cnych/kubectl', command: 'cat', ttyEnabled: true),
  containerTemplate(name: 'jnlp', image: 'cnych/jenkins:jnlp6',ttyEnabled: true)
], volumes: [
  hostPathVolume(mountPath: '/home/jenkins/.kube', hostPath: '/root/.kube'),
  hostPathVolume(mountPath: '/var/run/docker.sock', hostPath: '/var/run/docker.sock')
]) {
  node(label) {
    def myRepo = checkout scm
    def gitCommit = myRepo.GIT_COMMIT
    def gitBranch = myRepo.GIT_BRANCH
    def imageTag = sh(script: "git rev-parse --short HEAD", returnStdout: true).trim()
    def dockerRegistryUrl = "192.168.1.17"
    def imageEndpoint = "infra/vueapp-${gitBranch}"
    def image = "${dockerRegistryUrl}/${imageEndpoint}"
    if (gitBranch != 'dev' && gitBranch != 'master'){
      echo "${gitBranch} 分支不参与执行，开始退出，如有疑问，请联系运维人员"
      return     
    }    
    stage('单元测试') {
      echo "============================== 1.测试阶段 =============================="
    }
    stage('构建 vue 项目') {
	  echo "============================== 2.构建 vue 项目 =============================="
      try {
        container('node') {
          sh """
            npm config set registry  https://registry.npm.taobao.org
            pwd
            ls
            npm install
            npm run build
             """
        }
      } catch (exc) {
        println "构建失败 - ${currentBuild.fullDisplayName}"
        throw(exc)
      }
    }

stage('构建 Docker 镜像') {
	  echo "============================== 3.构建 Docker 镜像 =============================="
      withCredentials([[$class: 'UsernamePasswordMultiBinding',
        credentialsId: 'infra',
        usernameVariable: 'harborUser',
        passwordVariable: 'harborPassword']]) {
          container('docker') {
            sh """
              docker login ${dockerRegistryUrl} -u ${harborUser} -p ${harborPassword}
              docker build -t ${image}:${imageTag} .
              docker push ${image}:${imageTag}
              """
          }
      }
    }
    stage('部署 vueapp 到 k8s') {
      echo "============================== 4.部署 vueapp ${gitBranch} 分支到 k8s =============================="
      if (gitBranch == 'master') {
        echo "${gitBranch}"
        k8s_file = "k8s-pro.yaml"
        input "确认要部署到生产环境吗？"
      }
      if (gitBranch == 'dev') {
        echo "${gitBranch}"
        k8s_file = "k8s-dev.yaml"
      }
      container('kubectl') {
        sh "sed -i 's/<IMAGE_TAG>/${imageTag}/' ${k8s_file}"
        sh "kubectl apply -f ${k8s_file} --record"
      }
    }
  }
}