拉取代码

[root@jenkins ~]# cd /opt/

[root@jenkins opt]# yum -y install git #安装git工具

[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 | 3.49 MiB/s, 完成.

处理 delta 中: 100% (217/217), 完成.

[root@jenkins opt]# ls

tomcat-java-demo

打包文件

[root@jenkins opt]# cd tomcat-java-demo/

[root@jenkins tomcat-java-demo]# yum -y install maven #安装maven 工具

[root@jenkins tomcat-java-demo]# mvn clean package

…

[INFO] Packaging webapp

[INFO] Assembling webapp [ly-simple-tomcat] in [/opt/tomcat-java-demo/target/ly-simple-tomcat-0.0.1-SNAPSHOT]

[INFO] Processing war project

[INFO] Webapp assembled in [185 msecs]

[INFO] Building war: /opt/tomcat-java-demo/target/ly-simple-tomcat-0.0.1-SNAPSHOT.war

[INFO] ------------------------------------------------------------------------

[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 03:56 min

[INFO] Finished at: 2021-10-19T18:38:05+08:00

[INFO] ------------------------------------------------------------------------

[root@jenkins tomcat-java-demo]# ls target/

classes generated-sources ly-simple-tomcat-0.0.1-SNAPSHOT ly-simple-tomcat-0.0.1-SNAPSHOT.war maven-archiver 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 generated-sources ly-simple-tomcat-0.0.1-SNAPSHOT maven-archiver maven-status myapp.war

设置免密登录

[root@jenkins ~]# ssh-keygen -t rsa

Generating public/private rsa key pair.

Enter file in which to save the key (/root/.ssh/id_rsa):

Created directory ‘/root/.ssh’.

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:xtKS6e4tqVK8B849+eoUbbTJAJp38COb253ccwIw+FY root@jenkins

The key’s randomart image is:

±–[RSA 3072]----+

| o |

| o = |

| o + B E |

| . * # o |

| .o O S |

| += O + |

| +.++o+ + . |

| . +oB. + |

| …===o |

±—[SHA256]-----+

[root@jenkins ~]# ssh-copy-id root@192.168.129.134

/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: “/root/.ssh/id_rsa.pub”

The authenticity of host ‘192.168.129.134 (192.168.129.134)’ can’t be established.

ECDSA key fingerprint is SHA256:uHo8Vg0cYwJ7KOQnCtvlu7g43XP3sjNQjDZoeCO6lBY.

Are you sure you want to continue connecting (yes/no/[fingerprint])? yes

/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@192.168.129.134’s password:

Number of key(s) added: 1

Now try logging into the machine, with: “ssh ‘root@192.168.129.134’”

and check to make sure that only the key(s) you wanted were added.

将包输送到server主机

[root@jenkins tomcat-java-demo]# pwd

/opt/tomcat-java-demo

[root@jenkins tomcat-java-demo]# scp target/myapp.war root@192.168.129.134:/usr/local/tomcat/webapps/

myapp.war 100% 17MB 125.8MB/s 00:00

测试

自动部署

===================================================================

查看打的包

[root@jenkins tomcat-java-demo]# cd /root/.jenkins/workspace/

[root@jenkins workspace]# ls

demo demo@tmp

在server主机上创建备份

[root@server webapps]# mkdir /opt/backup

[root@server ~]# tar -Jcf /opt/backup/myapp-$(date +%Y%m%d%H%M).tar.xz /usr/local/tomcat/webapps/myapp

tar: 从成员名中删除开头的“/”

[root@server ~]# ls /opt/backup/

myapp-202110191923.tar.xz

配置流线脚本

pipeline {

agent any

stages {

stage(‘Build’) {

steps {

// Get some code from a GitHub repository

git ‘https://gitee.com/forgotten/tomcat-java-demo.git’

// Run Maven on a Unix agent.

sh ‘’’

mvn -Dmaven.test.failure.ignore=true clean package

mv target/ly-simple-tomcat-0.0.1-SNAPSHOT.war target/myapp.war

‘’’

// To run Maven on a Windows agent, use

// bat “mvn -Dmaven.test.failure.ignore=true clean package”

}

}

stage(“publish”){

steps{

sh ‘’’

ssh root@192.168.129.134 ‘tar -Jcf /opt/backup/myapp-$(date +%Y%m%d%H%M).tar.xz /usr/local/tomcat/webapps/myapp’

scp target/myapp.war root@192.168.129.134:/usr/local/tomcat/webapps/

ssh root@192.168.129.134 ‘/usr/local/tomcat/bin/catalina.sh stop’

sleep 3

ssh root@192.168.129.134 ‘/usr/local/tomcat/bin/catalina.sh start’

‘’’

}

}

}

}