jenkins的pipeline脚本与代码一起版本管理

1. pipeline脚本与代码一起版本管理

保存jenkinsfile配置文件到gitlab存储目录

// 公共
def registry = "harbor.scajy.org"           // harbor的连接地址
// 项目
def project = "k8s"                      // harbor的项目目录
def app_name = "java-demo"                       // 项目名称
def image_name = "${registry}/${project}/${app_name}:${BUILD_NUMBER}"      // 推送harbor的全路径，BUILD_NUMBER是取得当前jenkins构建的号，为版本号
def git_address = "git@10.100.24.87:k8s/tomcat_java_demo.git"             // 根据项目要更换git地址
def base_image = "${registry}/library/tomcat:latest"                      // 构建项目需要的基础镜像
// 认证
def secret_name = "registry-pull-secret"
def docker_registry_auth = "b6085682-39e7-458f-96c0-f139fe17f2e1"       // harbor仓库key，这个key要去jenkins查找
def git_auth = "d8bf675c-5dd4-4bf4-a4f7-4e8c1be1c002"                   // git代码仓库的key，这个key要去jenkins查找
def k8s_auth = "a16f5236-7cdc-4216-a4ec-c52346751f56"                   // k8s连接的key

podTemplate(label: 'jenkins-slave', cloud: 'kubernetes', containers: [
    containerTemplate(
        name: 'jnlp',          // 模板
        image: "${registry}/library/jenkins-slave:1.8"       // jenkins-slave从服务器镜像
    ),
  ],
  volumes: [
    hostPathVolume(mountPath: '/var/run/docker.sock', hostPath: '/var/run/docker.sock'),
    hostPathVolume(mountPath: '/usr/bin/docker', hostPath: '/usr/bin/docker')
  ],
) 
{
  node("jenkins-slave"){
      // 第一步
      stage('拉取代码'){
         checkout([$class: 'GitSCM', branches: [[name: '${Branch}']], userRemoteConfigs: [[credentialsId: "${git_auth}", url: "${git_address}"]]])
      }
      // 第二步
      stage('代码编译'){
          sh "mvn clean package -Dmaven.test.skip=true"
      }
      // 第三步
      stage('构建镜像'){
          withCredentials([usernamePassword(credentialsId: "${docker_registry_auth}", passwordVariable: 'password', usernameVariable: 'username')]) {
            sh """
              echo '
                FROM  ${base_image}
                RUN rm -rf /usr/local/tomcat/webapps/*
                ADD target/*.war /usr/local/tomcat/webapps/ROOT.war 
              ' > Dockerfile
              ls 
              ls target
              docker build -t ${image_name} .
              docker login -u ${username} -p '${password}' ${registry}
              docker push ${image_name}
            """
            }
      }
      // 第四步
      stage('部署到K8S平台'){
          sh """
          sed -i 's#\$IMAGE_NAME#${image_name}#' deploy.yml
          sed -i 's#\$SECRET_NAME#${secret_name}#' deploy.yml
          """
          kubernetesDeploy configs: 'deploy.yml', kubeconfigId: "${k8s_auth}"
      }

  }
}