jenkins docker pipeline 脚本

pipeline {
    agent any
    
    parameters {
        gitParameter(name: 'BRANCH', type: 'PT_BRANCH', defaultValue: 'master', description: '选择 Git 分支')
        choice(name: 'ENV', choices: ['dev', 'staging', 'prod'], description: '选择部署环境')
    }
    
    environment {
　　　　　//需要到系统凭证中配置git凭证
        git_auth = "jenkins-pipeline"
        git_timeout = "120"
        git_url = "git@gitee.com:xxxxxxxx/xxxxxxxx.git"
        docker_url = "docker-hub.xxxxxx.com"
        docker_space = "xxxx"
        project_name = "xx-xx"
        docker_tag = "latest"
    }
    
    stages {
        stage('环境检测') {
            steps {
                script{
                   
                }
                sh label: '',
                script: '''
                    mvn -v
                    git version
                    java -version
                    docker -v
                '''
            }
        }
        stage('代码获取') {
            steps {
                checkout([
                        $class: 'GitSCM',
                        branches: [[name: "${params.BRANCH}"]],
                        extensions: [[
                                             $class: 'CloneOption', noTags: false, reference: '',
                                             shallow: false, timeout: "${git_timeout}"
                                     ]],
                        userRemoteConfigs: [[credentialsId: "${git_auth}", url: "${git_url}"]]
                ])
            }
        }
        stage('项目构建') {
            steps {
                script {
                    sh """
                        mvn clean package -Dmaven.test.skip=true
                    """
                }
            }
        }
        stage('构建镜像') {
            steps {
                script {
                    // 使用 Dockerfile 构建镜像
                    sh """
                    docker build -t ${docker_url}/${docker_space}/${project_name}:${docker_tag} . 
                    """
                }
            }
        }
        stage('镜像上传') {
            steps {
                script {
                    // 登录到 Docker Hub
                    // sh "echo '${DOCKER_HUB_PASSWORD}' | docker login -u '${DOCKER_HUB_USERNAME}' --password-stdin"
                    // 推送镜像
                    sh """
                    docker push ${docker_url}/${docker_space}/${project_name}:${docker_tag}
                    docker rmi ${docker_url}/${docker_space}/${project_name}:${docker_tag}
                    """
                }
            }
        }
        stage('发布') {
            steps {
                script {
                    // 根据选择的部署环境设置相应的环境变量
                    if (params.DEPLOY_ENV == 'dev') {
                        // 设置开发环境的环境变量
                    } else if (params.DEPLOY_ENV == 'staging') {
                        // 设置预发布环境的环境变量
                    } else if (params.DEPLOY_ENV == 'production') {
                        // 设置生产环境的环境变量
                    }
                    // 目标服务器的 IP 列表
                    def target_servers = ['192.168.0.123']
    
                    // 使用循环遍历目标服务器列表
                    for (target_server_ip in target_servers) {
                        echo "Deploying to server: ${target_server_ip}"
    
                        // 在目标服务器上部署 Docker 容器(替换为目标服务器的用户名)
                        // 确保目标服务器已经安装了 Docker，并且 Jenkins 有权限 SSH 访问目标服务器
                        sh """
                            ssh -o StrictHostKeyChecking=no root@${target_server_ip} '
                            set -x &&
                            docker pull ${docker_url}/${docker_space}/${project_name}:${docker_tag} &&
                            if docker ps -a | grep -w "${project_name}" >/dev/null; then
                                docker stop ${project_name} &&
                                docker rm ${project_name} &&
                                docker rmi ${docker_url}/${docker_space}/${project_name}:${docker_tag}
                            fi &&
                            docker run --init -d -m 512M -v /data:/data -e JVM_XMX=256M -e JVM_XMS=256M --net=host --name ${project_name} -d --restart always ${docker_url}/${docker_space}/${project_name}:${docker_tag}
                            '
                        """
                    }
                }
            }
        }
        stage('清空工作目录') {
            steps {
                deleteDir()
            }
        }
    }
    post {
        always {
            sh label:'',
            script:"""
            """
        }
    }
}