环境
//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.
进入jenkins端
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
}
}
}
}
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]# 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
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