java程序发布步骤
1.拉取代码并打包
2.备份原程序
3.拷贝新程序到服务器的webapps目录中，停一会修改配置
4.重启tomcat
5.验证
| 主机名 | IP |
| jenkins | 192.168.57.135 |
| server | 192.168.57.140 |
//启动两台 [root@jenkins ~]# /usr/local/jenkins/bin/startup.sh //启动两台 [root@server ~]# /usr/local/jenkins/bin/startup.sh //手动部署 //拉取代码需要用到git命令下载git [root@jenkins ~]# yum -y install git [root@jenkins ~]# cd /opt/ [root@jenkins opt]# git clone https://gitee.com/forgotten/tomcat-java-demo.git 正克隆到 'tomcat-java-demo'... remote: Enumerating objects: 558, done. remote: Counting objects: 100% (558/558), done. remote: Compressing objects: 100% (316/316), done. remote: Total 558 (delta 217), reused 558 (delta 217), pack-reused 0 接收对象中: 100% (558/558), 5.08 MiB | 1.16 MiB/s, 完成. 处理 delta 中: 100% (217/217), 完成. [root@jenkins opt]# ls tomcat-java-demo [root@jenkins opt]# cd tomcat-java-demo/ [root@jenkins tomcat-java-demo]# yum -y install maven [root@jenkins tomcat-java-demo]# mvn clean package [INFO] Scanning for projects... 此处省略······ [INFO] Webapp assembled in [301 msecs] [INFO] Building war: /opt/tomcat-java-dem//因为要把包传到server端，所以要做免密登录，在Jenkins生成公钥传给servero/target/ly-simple-tomcat-0.0.1-SNAPSHOT.war [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 02:46 min [INFO] Finished at: 2021-10-20T11:52:44+08:00 [INFO] ------------------------------------------------------------------------ [root@jenkins tomcat-java-demo]# ls db deploy.yaml Dockerfile jenkinsfile LICENSE pom.xml README.md src target [root@jenkins tomcat-java-demo]# ls target/ classes ly-simple-tomcat-0.0.1-SNAPSHOT maven-archiver generated-sources ly-simple-tomcat-0.0.1-SNAPSHOT.war maven-status [root@jenkins tomcat-java-demo]# mv target/ly-simple-tomcat-0.0.1-SNAPSHOT.war target/myapp.war [root@jenkins tomcat-java-demo]# ls target/ classes ly-simple-tomcat-0.0.1-SNAPSHOT maven-status generated-sources maven-archiver myapp.war //因为要把包传到server端，所以要做免密登录，在Jenkins生成公钥传给server [root@jenkins tomcat-java-demo]# ssh-keygen -t rsa [root@jenkins tomcat-java-demo]# ssh-copy-id root@192.168.47.163 [root@jenkins tomcat-java-demo]# scp target/myapp.war root@192.168.57.140:/usr/local/tomcat/webapps myapp.war //查看 [root@server tomcat]# ls webapps/ docs examples host-manager manager myapp myapp.war ROOT
自动部署
