Jenkins-pipeline进阶使用

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pipeline {
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  stages {
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    stage('镜像制作') {
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      steps {
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        container('docker') {
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          script {
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            // 定义map,根据不同应用名配置不通jar包路径
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            def jarPath = [
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                'app1': 'path/to/app1.jar',
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                'app2': 'path/to/app2.jar',
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            ]
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            jarPathbuildDockerImage("${jarPath[APP_NAME]}")
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          }
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        }
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      }
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    }
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  }
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}
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def buildDockerImage(dockerfileContent = null) {
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  if (dockerfileContent) {
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    writeFile file: 'Dockerfile', text: dockerfileContent
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  } else {
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    configFileProvider([configFile(fileId: "${DOCKER_DOCKERFILE_ID}", targetLocation: "dockerfile")]){
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      // 替换dockerfile文件中的变量
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      def docker = readFile encoding: "UTF-8", file: "dockerfile"
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      def dockerfile = docker.replaceAll("#APP_NAME","${APP_NAME}")
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                             .replaceAll("#PROJECT","${PROJECT}")
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                             .replaceAll("#SW_OAP","${SW_OAP}")
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                             .replaceAll("#jarPath","${jarPath}")
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      // 生成新的 dockerfile 部署文件
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      writeFile encoding: 'UTF-8', file: './Dockerfile', text: "${dockerfile}"
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    }
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  }
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  sh "cat Dockerfile"
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}

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pipeline {
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  parameters {
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    // 配置多选
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    extendedChoice name: 'APP_NAME', type: 'PT_CHECKBOX', description: '请勾选所要发布的项目模块', quoteValue: false, saveJSONParameterToFile: false, value: 'schedule,web-township-background', visibleItemCount: 2, multiSelectDelimiter: ',', defaultValue: 'account-server'
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  }
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  options { buildDiscarder(logRotator(numToKeepStr: '10', artifactNumToKeepStr: '5')) }
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  environment {
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    PROJECT = '项目名'
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    BRANCH_NAME = '环境名（分支名）'
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    HARBOR_NAMESPACE = 'docker仓库凭据名称'
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    GIT_ID = 'git凭据名称'
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    GIT_URL = "https://git.xxx.com/${APP_NAME}.git（git的url）"
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    REGISTRY = '镜像仓库地址'
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    DOCKER_COMPOSE_ID = 'global-docker-compose-file' # docker-compose模板名称
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    DOCKER_DOCKERFILE_ID = 'global-dockerfile-file' # dockerfile模板
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    SW_OAP = 'skywalking OPA地址'
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    ROBOT_ID = '机器人id'
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  }
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  agent any
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  tools {
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    maven 'maven'
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    jdk 'jdk8'
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  }
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......
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这部分跟其他的一样,省略
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......
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  stages {
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    stage('镜像制作') {
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      steps {
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        script {
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          // for 上面的多选变量,','分割
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          for (appName in APP_NAME.tokenize(',')) {
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            // 按应用名称区分目录,进入到对应的应用目录
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            dir("${appName}") {
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              // 进行打包
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              buildDockerImage(appName)
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            }
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          }
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        }
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      }
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    }
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    stage('更新版本') {
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      steps {
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        script {
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          // 生成字典,分别是应用名,部署节点,应用端口
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          def App = [
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            'app1': ['host': 'host-231', 'port': '8080'],
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            'app2': ['host': 'host-241', 'port': '8081'],
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          ]
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          for (appName in APP_NAME.tokenize(',')) {
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            // 根据应用名称与暴露端口生成对应的docker-ompose.yaml
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            dockerCompose(appName, App[appName]['port'])
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            // 发送生成的docker-ompose.yaml文件到对应的节点,然后启动
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            sshDeploy(appName, App[appName]['host'])
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          }
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        }
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      }
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    }
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  }
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}
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// 为了省事,方便理解直接写到下面
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// 制作镜像函数
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def buildDockerImage(String appName, String port = '') {
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  // 设置 Docker 镜像名称
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  def dockerImageName = "${REGISTRY}/${appName}:1.${BUILD_NUMBER}"
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  if ("${REGISTRY}" == '') {
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      dockerImageName = "${REGISTRY}/${appName}:1.${BUILD_NUMBER}"
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  }
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  // 读取 docker-compose 部署文件
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  configFileProvider([configFile(fileId: "${DOCKER_COMPOSE_ID}", targetLocation: "docker-compose")]){
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    // 替换docker-compose文件中的变量
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    def dockercompose = readFile encoding: "UTF-8", file: "docker-compose"
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    def dockercomposefile = dockercompose.replaceAll("#APP_NAME","${appName}")
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                   .replaceAll("#APP_IMAGE_NAME","${dockerImageName}")
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                   .replaceAll("#APP_PORT","${port}")
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    // 生成新的 docker-compose 部署文件
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    writeFile encoding: 'UTF-8', file: 'docker-compose.yml', text: "${dockercomposefile}"
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  }
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}
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// ssh远程更新函数
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def sshDeploy(String appName,String hostName) {
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  sshPublisher(publishers: [sshPublisherDesc(configName: "${hostName}", transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: """
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    docker-compose -f /data/app/${appName}/docker-compose.yml up -d
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  """, execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: "${appName}/", remoteDirectorySDF: false, removePrefix: '', sourceFiles: 'docker-compose.yml')], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
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}

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@Library('jenkins-shared-libraries@main') _
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//// 配置多选,与单选二选一
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//properties([
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//   parameters([
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//     [
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//       $class: 'ChoiceParameter',
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//       choiceType: 'PT_CHECKBOX',  // 复选
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//       name: 'APP_NAME',
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//       description: '选择应用',
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//       script: [
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//         $class: 'GroovyScript', // Groovy脚本
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//         script: [
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//           classpath: [],
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//           sandbox: true,
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//           // 要返回的结果,写在一行
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//           script: "return ['app1', 'app2']"
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//         ]
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//       ]
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//     ]
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//   ])
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// ])
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pipeline {
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  parameters {
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    choice choices: ['app1', 'app2'], description: '选择发布程序', name: 'APP_NAME'
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  }
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  environment {
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    PROJECT = '项目名'
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    BRANCH_NAME = '环境名（分支名）'
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    HARBOR_NAMESPACE = 'docker仓库凭据名称'
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    GIT_ID = 'git凭据名称'
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    GIT_URL = "https://git.xxx.com/${APP_NAME}.git（git的url）"
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    REGISTRY = '镜像仓库地址'
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    KUBECONFIG_ID = 'kubeconfig id'
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    KUBERNETES_APP_REPLICAS = 'deployment副本数'
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    KUBERNETES_DEPLOYMENT_ID = 'global-kubernetes-deployment' # deployment模板名称
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    DOCKER_DOCKERFILE_ID = 'global-dockerfile-file' # dockerfile模板
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    SW_OAP = 'skywalking OPA地址'
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    ROBOT_ID = '机器人id'
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    max = 100000
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    randomToken = "${Math.abs(new Random().nextInt(max+1))}"
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  }
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  agent {
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    kubernetes {
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      inheritFrom 'mypod'
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    }
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  }
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  options {
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    buildDiscarder(logRotator(numToKeepStr: '10', artifactNumToKeepStr: '5'))
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    timeout(time:12, unit:'HOURS')
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    skipDefaultCheckout()
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  }
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  stages {
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    stage('拉取代码') {
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      steps {
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        script {
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          checkoutCode()
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        }
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      }
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      post {
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        failure {
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          echo "❌ 代码拉取失败"
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          failedsendNotification("拉取代码", "❌失败")
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        }
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      }
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    }
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    stage('编译打包') {
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      steps {
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        script {
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          buildPackage()
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        }
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      }
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      post {
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        failure {
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          echo "❌ 打包失败"
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          failedsendNotification("maven打包", "❌失败")
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        }
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      }
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    }
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    stage('镜像制作') {
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      steps {
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        container('docker') {
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          script {
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            // 定义map,根据不同应用名配置不通jar包路径
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            def jarPath = [
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                'app1': 'path/to/app1.jar',
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                'app2': 'path/to/app2.jar',
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            ]
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            jarPathbuildDockerImage("${jarPath[APP_NAME]}")
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          }
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        }
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      }
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      post {
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        failure {
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          echo "❌ 镜像制作"
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          failedsendNotification("镜像制作", "❌失败")
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        }
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      }
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    }
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    stage('审批') {
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      steps {
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        sh 'echo ${randomToken}'
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        script {
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          tokenApprove(randomToken)
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        }
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      }
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    }
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    stage('更新版本') {
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      steps {
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        script {
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          deployToKubernetes()
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        }
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      }
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      post {
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        failure {
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          echo "❌ 更新版本失败"
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          failedsendNotification("更新版本", "❌失败")
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        }
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      }
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    }
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  }
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  post {
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    success {
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      successsendNotification()
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    }
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  }
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}