Jenkins Pipeline脚本

1. pipeline-java-ansible-tomcat

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pipeline {
    agent {
        label "web2"
    }
    environment {
        gitlab_address = "http://192.168.64.17:100443/microservice/demo.git"
        gitlab_auth = "d09717ec-47c2-48f2-9c1c-f182b4589e74"
        ansible_ssh_auth = "84ea22bc-c2c6-4f8f-88bb-9ed885819f9e"
    }
    parameters {
        gitParameter branch: '', branchFilter: '.*', defaultValue: 'master', description: '请选择要发布的分支名称', name: 'selectBranch', quickFilterEnabled: false, selectedValue: 'NONE', sortMode: 'NONE', tagFilter: '*', type: 'PT_BRANCH'
        choice choices: ['webservers1', 'webservers2', 'webservers3'], description: '灰度发布策略，分批次部署', name: 'ENV'
    }
    triggers {
        pollSCM('*/1 * * * *')
    }
    stages {
        stage('拉取代码') {
            steps {
                checkout([$class: 'GitSCM', branches: [[name: "${params.selectBranch}"]], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${gitlab_auth}", url: "${gitlab_address}"]]])
            }
        }
        stage('编译构建') {
            steps {
                sh "/usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true"
            }
        }
        stage('拷贝构建文件到远程主机并部署') {
            steps {
                // 读取连接Jenkins服务器用户名和密码
                withCredentials([usernamePassword(credentialsId: '3e642bd1-ac6d-4c08-b01f-1125bf5bed9d', passwordVariable: 'password', usernameVariable: 'username')]) {
                // ===========================================
                sh """
###################### 主机清单文件 ############################
cat > /opt/jenkins_home/.hosts << EOF
	[webservers1]
	192.168.64.72
	192.168.64.73
	[webservers2]
	192.168.64.72
	[webservers3]
    192.168.64.72
EOF
###################### Playbook文件 ############################
cat > /opt/jenkins_home/.playbook.yaml << "EOF"
- hosts: $ENV    # Jenkins参数化变量 
  gather_facts: no
  vars:    # 定义playbook变量，下面{{}}引用这里的变量
    workspace: $WORKSPACE   # WORKSPACE和BUILD_NUMBER引用Jenkins变量
    build_number: $BUILD_NUMBER
    tomcat_dir: "/usr/local/tomcat"  # 自定义变量
    backup_dir: "/data/backup"
    backup_filename: "demo-ROOT-\$(date +%F)-{{ build_number }}.war"  # 格式：项目名-文件名-日期-构建编号
  tasks:
  - name: 推送部署包到远程服务器
    copy: src="{{ item }}" dest={{ tomcat_dir }}/webapps
    with_fileglob:
      - "{{ workspace }}/target/*.war"
  - name: 部署新程序并重启Tomcat
    # 脚本中\$必须转义，否则会认为是Jenkins变量
    shell: |   
       cd {{ tomcat_dir }}/webapps
       mv ROOT.war {{ backup_dir }}/{{ backup_filename }}
       mv *.war ROOT.war
       pid=\$(ps -ef |grep {{ tomcat_dir }} |egrep -v 'grep' |awk '{print \$2}')
       [ -n "\$pid" ] && kill -9 \$pid
       export JAVA_HOME=/usr/local/jdk
       nohup {{ tomcat_dir }}/bin/startup.sh
EOF 
                """
                // ===========================================
                }
            	ansiblePlaybook( 
                playbook: '/opt/jenkins_home/.playbook.yaml',
                inventory: '/opt/jenkins_home/.hosts', 
                credentialsId: "${ansible_ssh_auth}"
                )
            }
        }
    }
}

2. pipeline-java-docker

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pipeline {
    agent {
        label "web"
    }
    environment {
        harbor_address = "192.168.64.17"   //镜像仓库地址
        project = "microservice"   // 对应Harbor项目名
        app_name = "demo"     // 应用名称
        image_name = "${harbor_address}/${project}/${app_name}:${selectBranch}-${BUILD_NUMBER}"  // 镜像完整地址
        gitlab_address = "http://192.168.64.17/microservice/demo.git"  //
        gitlab_auth = "96b60e82-a827-48ba-ba52-f5cab7e9aa49"  // 拉取代码认证凭据ID
        harbor_auth = "bba6b30d-cb39-454a-8a7a-832db3d18da4"  // 推送镜像认证凭据ID
    }
    parameters {
        gitParameter branch: '', branchFilter: 'origin/(.*)', defaultValue: 'master', description: '请选择要发布的分支名称', name: 'selectBranch', quickFilterEnabled: false, selectedValue: 'NONE', sortMode: 'NONE', tagFilter: '*', type: 'PT_BRANCH'
    }
    stages {
        stage('拉取代码'){
            steps {
                checkout([$class: 'GitSCM', branches: [[name: "${params.selectBranch}"]], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${gitlab_auth}", url: "${gitlab_address}"]]])
            }
        }

        stage('代码编译'){
           steps {
		sh "/usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true"
           }
        }

        stage('构建镜像'){
           steps {
                withCredentials([usernamePassword(credentialsId: "${harbor_auth}", passwordVariable: 'password', usernameVariable: 'username')]) {
                sh """
                  echo '
                    FROM tomcat
                    ADD target/*.war /usr/local/tomcat/webapps/ROOT.war
                  ' > Dockerfile
                  docker build -t ${image_name} .
                  docker login -u ${username} -p '${password}' ${harbor_address}
                  docker push ${image_name}
                """
                }
           } 
        }

        stage('部署到Docker'){
           steps {
              sh """
              docker rm -f java-demo |true
              docker container run -d --name java-demo -p 88:8080 ${image_name}
              """
            }
        }
    }
}

3. pipeline-java-shell-tomcat

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pipeline {
    agent any
    environment {
        gitlab_address = "http://192.168.64.17/microservice/demo.git"
        gitlab_auth = "96b60e82-a827-48ba-ba52-f5cab7e9aa49"
    }
    parameters {
        gitParameter branch: '', branchFilter: '.*', defaultValue: 'master', description: '请选择要发布的分支名称', name: 'selectBranch', quickFilterEnabled: false, selectedValue: 'NONE', sortMode: 'NONE', tagFilter: '*', type: 'PT_BRANCH'
    }
    triggers {
        pollSCM('*/1 * * * *')
    }
    stages {
        stage('拉取代码') {
            steps {
                checkout([$class: 'GitSCM', branches: [[name: "${params.selectBranch}"]], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: "${gitlab_auth}", url: "${gitlab_address}"]]])
            }
        }
        stage('编译构建') {
            steps {
                sh "/usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true"
            }
        }
        stage('拷贝构建文件到远程主机并部署') {
            steps {
                sshPublisher(publishers: [sshPublisherDesc(configName: '192.168.31.73', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '''# 备份已部署的程序
                tomcat=/usr/local/tomcat
                cd $tomcat/webapps
                mv ROOT.war /data/backup/ROOT-$(date +%F-%T).war
                # 部署新程序并重启Tomcat
                mv *.war ROOT.war
                pid=$(ps -ef |grep $tomcat |egrep -v \'grep\' |awk \'{print $2}\')
                export JAVA_HOME=/usr/local/jdk
                [ -n "$pid" ] && kill -9 $pid
                /usr/local/tomcat/bin/startup.sh
                ''', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: '$JOB_NAME', remoteDirectorySDF: false, removePrefix: 'target', sourceFiles: 'target/*.war')], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
            }
        }
    }
}

4. rollback

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pipeline {
    agent {
        label "web2"
    }
    environment {
        gitlab_address = "http://192.168.31.64.17/microservice/demo.git"
        gitlab_auth = "d09717ec-47c2-48f2-9c1c-f182b4589e74"
        ansible_ssh_auth = "84ea22bc-c2c6-4f8f-88bb-9ed885819f9e"
    }
    parameters {
      extendedChoice description: '请选择回滚的备份版本', multiSelectDelimiter: ',', name: 'BackupVersion', propertyFile: '/var/jenkins_home/rollback/backup_version.txt', propertyKey: 'bak', quoteValue: false, saveJSONParameterToFile: false, type: 'PT_SINGLE_SELECT', visibleItemCount: 5
      choice choices: ['webservers1', 'webservers2', 'webservers3'], description: '灰度发布策略，分批次部署', name: 'ENV'
    }

    stages {
        stage('回滚') {
            steps {
                sh """
###################### 主机清单文件 ############################
cat > /opt/jenkins_home/.hosts << EOF
[webservers1]
192.168.64.72
192.168.64.73
[webservers2]
192.168.64.72
[webservers3]
192.168.64.72
EOF
###################### Playbook文件 ############################
cat > /opt/jenkins_home/.playbook.yaml << "EOF"
- hosts: $ENV 
  gather_facts: no
  vars: 
    tomcat_dir: "/usr/local/tomcat"
    backup_dir: "/data/backup"
    backup_filename: $BackupVersion
  tasks:
  - name: 使用备份文件重新部署
    shell: |   
       cd {{ tomcat_dir }}/webapps
       [ ! -d {{ backup_dir }}/rollback ] && mkdir -p {{ backup_dir }}/rollback
       mv ROOT.war {{ backup_dir }}/rollback/ROOT-\$(date +%F-%T).war
       cp {{ backup_dir }}/{{ backup_filename }} ROOT.war
       pid=\$(ps -ef |grep {{ tomcat_dir }} |egrep -v 'grep' |awk '{print \$2}')
       [ -n "\$pid" ] && kill -9 \$pid
       export JAVA_HOME=/usr/local/jdk
       nohup {{ tomcat_dir }}/bin/startup.sh
EOF
                """
                // ===========================================
            	ansiblePlaybook( 
                playbook: '/opt/jenkins_home/.playbook.yaml',
                inventory: '/tmp/.hosts', 
                credentialsId: "${ansible_ssh_auth}"
                )
            }
        }
    }
}