1. jenkins升级

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（1）查看war包所在的目录
[[email protected] ~]# 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
 
（2）下载最新稳定版的war包
[[email protected] ~]# wget https://mirrors.tuna.tsinghua.edu.cn/jenkins/war/2.46/jenkins.war
--2017-12-21 14:56:10--  https://mirrors.tuna.tsinghua.edu.cn/jenkins/war/2.46/jenkins.war
Resolving mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)... 101.6.6.178, 2402:f000:1:416:101:6:6:177
Connecting to mirrors.tuna.tsinghua.edu.cn (mirrors.tuna.tsinghua.edu.cn)|101.6.6.178|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 68663046 (65M) [application/java-archive]
Saving to: ‘jenkins.war’
 
36% [====================================================>                                                                                               ] 24,829,614   707KB/s  eta 60s

当前jenkins版本为2.32.2

自动化部署之jenkins升级和备份

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（3）停止jenkins服务
[[email protected] ~]# service jenkins stop
Stopping jenkins (via systemctl):                          [  OK  ]
 
（4）备份原来的war包，并拷贝最新版本war包到/usr/lib/jenkins目录下
[[email protected] ~]# cd /usr/lib/jenkins/
[[email protected] jenkins]# mv jenkins.war jenkins-2.32.2.war.bak
[[email protected] jenkins]# mv /root/jenkins.war .
[[email protected] jenkins]# service jenkins start
Starting jenkins (via systemctl):                          [  OK  ]
[[email protected] jenkins]# netstat -tulnp |grep 8080
tcp6       0      0 :::8080                 :::*                    LISTEN      47298/java   
 
成功升级到jenkins 2.46版本

自动化部署之jenkins升级和备份


2.jenkins备份

在jenkins界面创建一些项目，这里使用rsync，主要是为了保持备份的属性，如果使用scp或cp有时会导致文件属性的改变而导致jenkins异常。

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（1）创建备份目录
[[email protected] ~]# mkdir /data/backup/jenkins -p
 
（2）备份/var/lib/jenkins目录
[[email protected] ~]# rsync -raz --delete --progress /var/lib/jenkins /data/backup/jenkins/
 
（3）删除/var/lib/jenkins/
[[email protected] ~]# rm -rf /var/lib/jenkins/
 
[[email protected] ~]# service jenkins restart
Restarting jenkins (via systemctl):  Job for jenkins.service failed because the control process exited with error code. See "systemctl status jenkins.service" and "journalctl -xe" for details.
                                                           [FAILED]
[[email protected] ~]# service jenkins status
JENKINS_HOME directory does not exist: /var/lib/jenkins
 
（4）恢复备份
[[email protected] ~]# rsync -raz --delete /data/backup/jenkins/jenkins /var/lib/
[[email protected] ~]# service jenkins restart
Restarting jenkins (via systemctl):                        [  OK  ]