pipeline { //pipeline 顶层
    //any 在任何可用的agent上执行Pipeline或stage
    agent any
    //environment 自定义的环境变量
     environment {
        	//本项目此三个变量值如下，修改jenkins打包即可，其余不动
            //PROGRAM_ID=integrated-eureka
            //APPLICATION_NAME=integrated-eureka
            //PROJECT_JAR_PATH=integrated-eureka

            PROGRAM_ID = "$PROGRAM_ID"     							//项目名称
            APPLICATION_NAME = "$PROGRAM_ID"     				    //项目应用名-镜像名称
            WORKSPACE = "/root/jenkins"    							//jenkins home 宿主机路径
            PROJECT_JAR_PATH = "$PROJECT_JAR_PATH"					//项目打包后所在相对路径
            PROJECT_ROOT_PATH = "zkt-alarm"							//项目根路径名称
            CONTAINER_HOME = "$CONTAINER_HOME"   				    //容器内的基本路径
            WORKER_HOME = "$CONTAINER_HOME/$APPLICATION_NAME"   	//项目运行所在路径-容器内的路径

            DEPLOY_FILE_PATH = "docker"				//部署文件所在路径
            MAVEN_PACKAGE_PATH = "$WORKSPACE/workspace/$PROGRAM_ID"		//maven打包根路径
            IMAGE_REPOSITORY_PREFIX="labisenlin.persagy.com"
            DOCKER_IMAGE = "$IMAGE_REPOSITORY_PREFIX/$IMAGE_REPOSITORY_PROJECT/$APPLICATION_NAME:$VERSION"	//镜像全路径
            BACKUP_PATH = "$JENKINS_HOME/program-backup/$PROGRAM_ID/$VERSION"	//备份路径
        }
    //不允许并行执行Pipeline,可用于防止同时访问共享资源等
    options {
        disableConcurrentBuilds()
    }
    stages {
        //部署流程一：从SVN或者Git上拉取项目程序代码
        stage('git checkout') {
            steps {
                checkout([$class: 'GitSCM', branches: [[name: '*/$GIT_BRANCH']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: 'zkt-git-server', url: 'http://39.106.8.246:3003/persagy/persagy-zkt-project-alarm.git']]])
            }
        }
        //部署流程二：Java程序进行maven打包
        stage('maven build') {
            steps {
                sh 'cd $WORKSPACE'
                sh 'mvn clean install -Dmaven.test.skip=true -f $MAVEN_PACKAGE_PATH/pom.xml'
            }
        }
        //部署流程三：根据项目dockerfile创建项目的docker镜像
        stage('image buid') {
            steps {
                sh 'chmod -R +x ./$DEPLOY_FILE_PATH/'
                sh 'rm -rf ./$DEPLOY_FILE_PATH/*.jar && cp ./target/*.jar ./$DEPLOY_FILE_PATH'
                sh 'docker build -f ./$DEPLOY_FILE_PATH/Dockerfile --build-arg WORKER_HOME=$WORKER_HOME -t $DOCKER_IMAGE ./$DEPLOY_FILE_PATH'
            }
        }
        //部署流程四：项目推送到本地私有仓库
        stage('repository push') {
            steps {
                //-H tcp://192.168.64.16:9999
                sh 'docker login $IMAGE_REPOSITORY_PREFIX -u $DOCKER_USERNAME -p $DOCKER_PASSWORD'
                sh 'docker push  $DOCKER_IMAGE'
                //只打镜像的话，将其打开
                sh 'docker logout $IMAGE_REPOSITORY_PREFIX'
                sh 'docker rmi $DOCKER_IMAGE'
            }
        }
        //部署流程五：项目版本本地备份
        stage('backup') {
            steps {
                sh 'rm -rf $BACKUP_PATH/'
                sh 'mkdir -p  $BACKUP_PATH/'
                sh 'cp ./target/*.jar $BACKUP_PATH/'
            }
        }
        //部署流程六：项目docker部署运行
        stage('deploy') {
            steps {
                sh 'rm -rf /root/jenkins/workspace/zkt-project-alarm/docker/.env'
                sh 'echo "tag = $VERSION" >> /root/jenkins/workspace/zkt-project-alarm/docker/.env'
                sh 'ssh -tt root@192.168.64.16 "rm -rf /mnt/zkt/zkt-project-alarm/ && mkdir -p  /mnt/zkt/zkt-project-alarm/ && scp -r root@192.168.64.18:/root/jenkins/workspace/zkt-project-alarm/docker/ /mnt/zkt/zkt-project-alarm/docker/ && cd /mnt/zkt/zkt-project-alarm/ && sh ./docker/deploy.sh " '
            }
        }
    }
}