使用jenkins将项目部署到另一台主机的过程

 //关闭防火墙selinux //安装打包命令，git [root@jenkins ~]#  yum -y install maven [root@jenkins ~]#  yum -y install git //配置免密登录 [root@localhost ~]# ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: SHA256:npcyZyHpOPmqGL1nbpZRj7UYULZxJhvNIcDg2G9Qvso root@localhost.localdomain The key's randomart image is: +---[RSA 3072]----+ |    .oooBo+.     | |   + oo. Xo      | |  . + ..o        | |     o .o..      | |      +.S*..     | |   o o.=oooo     | |  . E +o* =      | |   o .*o *       | |  . oBo..        | +----[SHA256]-----+ [root@localhost ~]# ssh-copy-id root@192.168.216.215 /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub" /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@192.168.216.215's password: Number of key(s) added: 1 Now try logging into the machine, with:   "ssh 'root@192.168.216.215'" and check to make sure that only the key(s) you wanted were added. [root@localhost ~]# ssh root@192.168.216.215 Last login: Wed Oct 20 11:03:43 2021 from 192.168.216.200 [root@localhost ~]# exit 登出 Connection to 192.168.216.215 closed.

 pipeline { agent any stages { stage('Build') { steps { // Get some code from a GitHub repository git 'https://gitee.com/forgotten/tomcat-java-demo.git'  #下载包，确保主机上有git命令 // Run Maven on a Unix agent. sh "mvn -Dmaven.test.failure.ignore=true clean package"  #打包成war包 sh "mv target/ly-simple-tomcat-0.0.1-SNAPSHOT.war  target/myapp.war"   #更改包名 // To run Maven on a Windows agent, use // bat "mvn -Dmaven.test.failure.ignore=true clean package" } } stage("publish"){ steps{ sh "ssh root@192.168.216.215  'tar -Jcf /opt/backup/webapps-\$(date +%Y-%m%d).tar.xz   /usr/local/tomcat/webapps/*'"   #备份原有的项目 sh "scp target/myapp.war root@192.168.216.215:/usr/local/tomcat/webapps/"  #传包到目标主机 sh "ssh root@192.168.216.215 '/usr/local/tomcat/bin/catalina.sh stop;sleep 3;/usr/local/tomcat/bin/catalina.sh start'"   #  重启生成项目 } } } } 

 //关闭防火墙，selinux //确保git命令存在，拉取部署的项目包 [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 | 673.00 KiB/s, 完成. 处理 delta 中: 100% (217/217), 完成. [root@jenkins opt]# ls tomcat-java-demo // 打包，确保mvn命令存在 [root@jenkins opt]# cd tomcat-java-demo/ [root@jenkins tomcat-java-demo]# ls db           Dockerfile   LICENSE  README.md deploy.yaml  jenkinsfile  pom.xml  src      // 只要是带pom.xml这样文件的都是用mvn打包 [root@jenkins tomcat-java-demo]# mvn clean package [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 // 确保有免密登录，通过ssh启动server端tomcat，然后把要部署的包传过去 [root@jenkins tomcat-java-demo]# scp target/myapp.war root@192.168.47.163:/usr/local/tomcat/webapps/ //tomcat会自动解压，过一会进入网站对应目录就能看到新部署的项目