使用jenkins将项目部署到另一台主机的过程

环境

主机名 ip地址 服务 jenkins 192.168.216.200 tomcat、jenkins server 192.168.216.215 tomcat

//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.localdomainThe 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 keysroot@192.168.216.215"s password: Number of key(s) added: 1Now 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@192.168.216.215Last 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.

进入jenkins端

pipeline {    agent any        stages {stage("Build") {    steps {// Get some code from a GitHub repositorygit "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    }}    }}

去目标主机验证

手动部署

//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]# lstomcat-java-demo// 打包，确保mvn命令存在[root@jenkins opt]# cd tomcat-java-demo/[root@jenkins tomcat-java-demo]# lsdb   Dockerfile   LICENSE  README.mddeploy.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-statusgenerated-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

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