10.安装使用jenkins及其插件

持续集成

1.安装jenkins

安装依赖

[root@git ~]# yum install java-1.8.0-openjdk java-1.8.0-openjdk-devel

rpm包下载：

https://mirrors.tuna.tsinghua.edu.cn/jenkins/redhat-stable/

wget https://mirrors.tuna.tsinghua.edu.cn/jenkins/redhat-stable/jenkins-2.164.2-1.1.noarch.rpm

[root@bt ~]# rpm -ivh jenkins-2.164.2-1.1.noarch.rpm

[root@bt ~]# systemctl status jenkins

[root@bt ~]# systemctl start jenkins

[root@bt ~]# systemctl enable jenkins

[root@bt ~]# netstat -lunpt |grep 8080

[root@bt ~]# cat /var/lib/jenkins/secrets/initialAdminPassword
05aaa47a42f64fd2813bcd3de090cb3e

在线安装插件：

plugins 用于拉取代码

在线安装

ssh

gitlab

离线安装插件：

下载好插件后解压到目录

cd /var/lib/jenkins/

tar -xvf plugins.tar.gz

对应的版本插件下载
http://updates.jenkins-ci.org/2.164/latest/

查看rpm程序目录：

rpm -ql jenkins

[root@onecloud ~]# rpm -ql jenkins
/etc/init.d/jenkins
/etc/logrotate.d/jenkins
/etc/sysconfig/jenkins
/usr/lib/jenkins
/usr/lib/jenkins/jenkins.war #程序包
/usr/sbin/rcjenkins
/var/cache/jenkins #war包解压程序存放，
/var/lib/jenkins #升级的时候直接把war包放此目录，解压后自动到cache
/var/log/jenkins

配置cmdb权限

vim /etc/sysconfig/jenkins

JENKINS_USER="jenkins"

JENKINS_USER="root"

[root@onecloud ~]# systemctl restart jenkins

jenkins控制root权限
[root@onecloud ~]# ps -ef|grep jenkins
root 7994 1 42 09:52 ? 00:00:15 /etc/alternatives/java -Dcom.sun.akuma.Daemon=daemonized -Djava.awt.headless=true -DJENKINS_HOME=/var/lib/jenkins -jar /usr/lib/jenkins/jenkins.war --logfile=/var/log/jenkins/jenkins.log --webroot=/var/cache/jenkins/war --daemon --httpPort=8080 --debug=5 --handlerCountMax=100 --handlerCountMaxIdle=20
root 8085 7892 0 09:53 pts/0 00:00:00 grep --color=auto jenkins

备份：

tar scvf jenkins.tar.gz /var/lib/jenkins/

作业：写一个每天定时备份的脚本，保留15天备份

测试jenkins集成：

mkdir -p test/oldboy

echo "index" >index.html

echo 'a' >a.txt

echo 'b' >b.txt

[root@git oldboy]# ls
a.txt b.txt index.html
[root@git oldboy]# ll
total 12
-rw-r--r-- 1 root root 2 Apr 25 10:49 a.txt
-rw-r--r-- 1 root root 2 Apr 25 10:49 b.txt
-rw-r--r-- 1 root root 6 Apr 25 10:49 index.html
[root@git oldboy]# git add index.html
[root@git oldboy]# git commit -m "first"
[master (root-commit) 9411be5] first
1 file changed, 1 insertion(+)
create mode 100644 index.html
[root@git oldboy]# date
Thu Apr 25 10:50:45 CST 2019
[root@git oldboy]# git add a.txt
[root@git oldboy]# git commit -m "a"
[master 7c94d99] a
1 file changed, 1 insertion(+)
create mode 100644 a.txt
[root@git oldboy]# git add b.txt
[root@git oldboy]# git commit -m "b"
[master 231c3dd] b
1 file changed, 1 insertion(+)
create mode 100644 b.txt
[root@git oldboy]# git log
commit 231c3ddd2cfa0c1a1c3168dc6ae1a274477da18f
Author: Eric-xgc <741017474@qq.com>
Date: Thu Apr 25 10:51:29 2019 +0800

commit 7c94d99cd99376c1dfe0d09dc31aea541e5c7d52
Author: Eric-xgc <741017474@qq.com>
Date: Thu Apr 25 10:51:16 2019 +0800

commit 9411be51fdf533e949587642c2873d47b6683df1
Author: Eric-xgc <741017474@qq.com>
Date: Thu Apr 25 10:50:30 2019 +0800

first

以上在本地已经有3次提交：

创建分支并切换到分支：

[root@git oldboy]# git checkout -b testing
Switched to a new branch 'testing'

[root@git oldboy]# git status
On branch testing
nothing to commit, working tree clean

echo 'test1' >test1.txt

echo 'test2' >test2.txt

切换到主分支：

[root@git oldboy]# git checkout master
Switched to branch 'master'

echo 'master1' >master1.txt

echo 'master2' >master2.txt

合并分支merge：

将testing分支merge到master分支保留原分支

[root@git oldboy]# git merge testing

保存直接退出:wq

git log

会加大多一个提交

[root@git oldboy]# git branch
* master
testing

合并分支rebase：

将testing分支merge到master分支不保留原分支，细节丢失，去掉原分支

git rebase testing

升级jenkins:

停止服务：systemctl stop jenkins

在这个目录： /usr/lib/jenkins

rpm -ql jenkins

下载更新war包

备份原来的包：mv 旧的旧的.bak

上传新的包：

启动服务：systemctl start jenkins