jenkins发布java项目

• • 1.jenkins发布java项目
  • • 1.1 准备工作
    • 1.2 手动发布
    • 1.3 jenkins发布

java程序发布步骤：

• 拉取代码并打包
• 备份原程序
• 拷贝新程序到webapps目录中，等tomcat自动解压后修改配置
• 重启tomcat
• 验证

环境要求：

两台主机之间需要做免密登录

//两台主机都关闭防火墙和selinux并启动tomcat
[root@jenkins ~]# systemctl status firewalld.service 
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:firewalld(1)
[root@jenkins ~]# getenforce 
Disabled
[root@jenkins ~]# ss -anltu
Netid     State      Recv-Q     Send-Q               Local Address:Port           Peer Address:Port     
tcp       LISTEN     0          128                        0.0.0.0:22                  0.0.0.0:*        
tcp       LISTEN     0          100                              *:8080                      *:*        
tcp       LISTEN     0          128                           [::]:22                     [::]:*        
tcp       LISTEN     0          1               [::ffff:127.0.0.1]:8005                      *:*        

[root@server ~]# systemctl status firewalld.service 
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:firewalld(1)
[root@server ~]# getenforce 
Disabled
[root@server ~]# ss -anltu
Netid     State      Recv-Q     Send-Q               Local Address:Port           Peer Address:Port     
tcp       LISTEN     0          128                        0.0.0.0:22                  0.0.0.0:*        
tcp       LISTEN     0          1               [::ffff:127.0.0.1]:8005                      *:*        
tcp       LISTEN     0          100                              *:8080                      *:*        
tcp       LISTEN     0          128                           [::]:22                     [::]:*        

//下载拉取代码的软件包和打包代码的软件包
[root@jenkins ~]# yum -y install git
[root@jenkins ~]# yum -y install maven-1:3.5.4-5.module_el8.0.0+39+6a9b6e22.noarch

//拉取代码
[root@jenkins ~]# git clone https://gitee.com/forgotten/tomcat-java-demo.git
[root@jenkins ~]# ls
anaconda-ks.cfg  tomcat-java-demo

//打包代码
[root@jenkins tomcat-java-demo]# ls
db  deploy.yaml  Dockerfile  jenkinsfile  LICENSE  pom.xml  README.md  src
[root@jenkins tomcat-java-demo]# mvn clean package 
[root@jenkins tomcat-java-demo]# ls
db  deploy.yaml  Dockerfile  jenkinsfile  LICENSE  pom.xml  README.md  src  target

//拷贝war包到server主机上的/usr/local/tomcat/webapps目录下
[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  generated-sources  ly-simple-tomcat-0.0.1-SNAPSHOT  maven-archiver  maven-status  myapp.war
[root@jenkins tomcat-java-demo]# scp target/myapp.war root@192.168.237.167:/usr/local/tomcat/webapps/
myapp.war                                                             100%   17MB 123.8MB/s   00:00    

//tomcat自动解压war包
[root@server ~]# ls /usr/local/tomcat/webapps/
docs  examples  host-manager  manager  myapp  myapp.war  ROOT

发布完成

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开始构建

项目构建完成

测试