[Jenkins][Pipeline] 使用 Maven 打包并发布到 Linux 服务器

在 [Jenkins](/blog?t=jenkins) 中使用 [Maven](/blog?t=maven) 打包项目后发布到 Linux 服务器。

## 1. 安装 *SSH Pipeline Steps* 插件

*Manage Jenkins* => *Manage Plugins* 的 可选插件 标签中查询 *SSH Pipeline Steps*，勾选后安装。

## 2. pipeline 脚本

可以写在 *Jenkinsfile* 中，用法参考 [这篇博客](/2019/6/2/jenkins-2-x-practice-2-pipeline-rudiments)

```groovy
pipeline {
    agent any

tools {
        jdk 'jdk-8u111'
        maven 'mvn-3.6.1'
    }

stages {
        stage('Build') {
            steps {
                bat "mvn clean package"
            }
        }
        stage ('Publish to Test-D') {
            steps {
                script {
                    def remote = [:]
                    remote.name = 'OctopusESApi'
                    remote.host ='192.168.0.1'
                    remote.user = 'root'
                    remote.password ='password'
                    remote.allowAnyHosts= true
                    writeFile file:'stop.sh', text: '#!/bin/bash \n  \n stop_api(){ \n es_api=$(ss -lnp|grep 8888|awk -F \',\' \'{print $2}\') \n  \n if [ ! -z $es_api ]; then \n     kill -9 $es_api \n     if [ $? -eq 0 ]; then \n         echo "ES-API-D shutdown successfully !" \n     else \n         echo "ES-API-D failed to shutdown !" \n         exit 1 \n     fi \n else \n     echo "ES-API-D is not active !" \n     exit 1 \n fi \n } \n  \n stop_api \n '
                    writeFile file:'start.sh', text: '#!/bin/sh \n cd /opt/elastic-api-d/ \n java -jar -Xms8192m -Xmx8192m OctopusESApi.jar >/dev/null &'
                    sshScript remote: remote,script: "stop.sh"
                    sleep 5
                    sshPut remote: remote, from: 'OctopusESApi/target/OctopusESApi.jar', into: '/opt/elastic-api-d/'
                    sshScript remote: remote,script: "start.sh"
                }
            }
        }
    }
}
```

## 参考

1. [Jenkins 流水线pipeline中SSH方式登录远程机器](https://blog.csdn.net/tojava/article/details/93843768)
2. [jenkinsci/ssh-steps-plugin](https://github.com/jenkinsci/ssh-steps-plugin#sshput)

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