jenkins docker pipeline 腳本

pipeline {
    agent any
    
    parameters {
        gitParameter(name: 'BRANCH', type: 'PT_BRANCH', defaultValue: 'master', description: '選擇 Git 分支')
        choice(name: 'ENV', choices: ['dev', 'staging', 'prod'], description: '選擇部署環境')
    }
    
    environment {
　　　　　//需要到系統憑證中配置git憑證
        git_auth = "jenkins-pipeline"
        git_timeout = "120"
        git_url = "[email protected]:xxxxxxxx/xxxxxxxx.git"
        docker_url = "docker-hub.xxxxxx.com"
        docker_space = "xxxx"
        project_name = "xx-xx"
        docker_tag = "latest"
    }
    
    stages {
        stage('環境檢測') {
            steps {
                script{
                   
                }
                sh label: '',
                script: '''
                    mvn -v
                    git version
                    java -version
                    docker -v
                '''
            }
        }
        stage('代碼獲取') {
            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('項目構建') {
            steps {
                script {
                    sh """
                        mvn clean package -Dmaven.test.skip=true
                    """
                }
            }
        }
        stage('構建鏡像') {
            steps {
                script {
                    // 使用 Dockerfile 構建鏡像
                    sh """
                    docker build -t ${docker_url}/${docker_space}/${project_name}:${docker_tag} . 
                    """
                }
            }
        }
        stage('鏡像上傳') {
            steps {
                script {
                    // 登錄到 Docker Hub
                    // sh "echo '${DOCKER_HUB_PASSWORD}' | docker login -u '${DOCKER_HUB_USERNAME}' --password-stdin"
                    // 推送鏡像
                    sh """
                    docker push ${docker_url}/${docker_space}/${project_name}:${docker_tag}
                    docker rmi ${docker_url}/${docker_space}/${project_name}:${docker_tag}
                    """
                }
            }
        }
        stage('發佈') {
            steps {
                script {
                    // 根據選擇的部署環境設置相應的環境變量
                    if (params.DEPLOY_ENV == 'dev') {
                        // 設置開發環境的環境變量
                    } else if (params.DEPLOY_ENV == 'staging') {
                        // 設置預發佈環境的環境變量
                    } else if (params.DEPLOY_ENV == 'production') {
                        // 設置生產環境的環境變量
                    }
                    // 目標服務器的 IP 列表
                    def target_servers = ['192.168.0.123']
    
                    // 使用循環遍歷目標服務器列表
                    for (target_server_ip in target_servers) {
                        echo "Deploying to server: ${target_server_ip}"
    
                        // 在目標服務器上部署 Docker 容器（替換爲目標服務器的用戶名）
                        // 確保目標服務器已經安裝了 Docker，並且 Jenkins 有權限 SSH 訪問目標服務器
                        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('清空工作目錄') {
            steps {
                deleteDir()
            }
        }
    }
    post {
        always {
            sh label:'',
            script:"""
            """
        }
    }
}