Jenkins入门

一、Jenkins概述

二、安装Jenkins

https://pkg.jenkins.io/redhat-stable/
sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
yum install jenkins

相关包介绍

/usr/lib/jenkins/jenkins.war    WAR包 
/etc/sysconfig/jenkins          配置文件
/var/lib/jenkins/               默认的JENKINS_HOME目录
/var/log/jenkins/jenkins.log    Jenkins日志文件

配置与启动

[root@jspgou ~]# lsof -i:8080
[root@jspgou ~]# /etc/init.d/jenkins start 
Starting jenkins (via systemctl):                          [  OK  ]
[root@jspgou ~]# lsof -i:8080
COMMAND   PID    USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
java    26969 jenkins  162u  IPv6  68624      0t0  TCP *:webcache (LISTEN)
[root@jspgou ~]# rpm -qa | grep jenkins
jenkins-2.107.1-1.1.noarch
[root@jspgou ~]# rpm -ql jenkins 
/etc/init.d/jenkins
/etc/logrotate.d/jenkins
/etc/sysconfig/jenkins
/usr/lib/jenkins
/usr/lib/jenkins/jenkins.war
/usr/sbin/rcjenkins
/var/cache/jenkins
/var/lib/jenkins
/var/log/jenkins
[root@jspgou ~]#

在浏览器中登录，初始密码在如下文件中：

[root@jspgou ~]# cat /var/lib/jenkins/secrets/initialAdminPassword
389c09a28ecb42fe871a82d4414c5472
[root@jspgou ~]#

三、在WEB中配置Jenkins

系统管理--添加插件

添加ssh、maven等相关插件

以下插件需要选择安装
Ansible plugin
Ant Plugin
Blue Ocean
Build Timeout
Email Extension Plugin
Git Parameter Plug-In
Gitlab Hook Plugin
GitLab Plugin
Maven Invoker plugin
Maven Integration plugin
Publish Over SSH
SSH plugin
SSH Slaves plugin

方法如下图所示：

系统管理--系统配置

系统配置--指定管理员邮箱地址

系统配置--设置邮件通知的SMTP服务器及其相关配置

系统配置--设置SSH 远程服务器地址及其配置

如果需要指定私钥文件，还需要将私钥复制到/var/lib/jenkins 目录，如下所示：

mkdir  .ssh
cp ~/.ssh/id_rsa  .ssh/
chown -R jenkins.jenkins .ssh

如下图所示：

系统管理--全局工具配置

全局工具配置--配置jdk

全局工具配置--配置maven

在Gitlab创建一个Jenkins用户：

并将Jenkins用户加入到相应的组(Group)

在Jenkins中添加相关的Credentials:

将Gitlab中Jenkins用户的username 和密码填入Credentials中：

创建Jenkins项目(例1)：

配置项目中的git server

添加访问git server的ssh密钥(私钥)

配置项目中的构建(使用maven构建包)

配置项目中的构建后动作

在配置完毕的项目上进行构建

查看本次构建过程

构建报告

创建Jenkins项目(例2):
首先在使用git 为 code 添加Tag,如下所示：

[eric@meteor maven01]$ vim src/main/java/inspiry/cn/maven/HelloWorld.java 
[eric@meteor maven01]$ git add . 
[eric@meteor maven01]$ git commit -m 'stable branch'
[stable 4cfc2e3] stable branch
 1 file changed, 1 insertion(+)
[eric@meteor maven01]$ git tag v1.0.2
[eric@meteor maven01]$ git tag
v1.0.2
[eric@meteor maven01]$ git push -u origin stable
Counting objects: 17, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (4/4), done.
Writing objects: 100% (9/9), 583 bytes | 0 bytes/s, done.
Total 9 (delta 2), reused 0 (delta 0)
remote: 
remote: To create a merge request for stable, visit:
remote:   http://192.168.60.119/plat-sp/maven01/merge_requests/new?merge_request%5Bsource_branch%5D=stable
remote: 
To [email protected]:plat-sp/maven01.git
* [new branch]      stable -> stable
Branch stable set up to track remote branch stable from origin.
[eric@meteor maven01]$ 
[eric@meteor maven01]$ git branch
  master
* stable
[eric@meteor maven01]$ git push origin v1.0.2
Total 0 (delta 0), reused 0 (delta 0)
To [email protected]:plat-sp/maven01.git
 * [new tag]         v1.0.2 -> v1.0.2
[eric@meteor maven01]$