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--- 分享:技术:持续集成:jenkins的介绍安装与使用 [2015/07/14 09:31]
gxx
+++ 分享:技术:持续集成:jenkins的介绍安装与使用 [2015/07/15 18:10] (当前版本)
gxx
@@ 行 25: / 行 25: @@
 Jenkins的官网地址：http://jenkins-ci.org/
 ===== Jenkins的安装 =====
-以下是在Ubuntu14.04上安装的步骤(摘自官网的安装步骤：https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Ubuntu)
+以下是在Ubuntu 14.04.2上安装的步骤(摘自官网的安装步骤：https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+Ubuntu)
 <code>
 wget -O - https://jenkins-ci.org/debian/jenkins-ci.org.key | sudo apt-key add - #使用sudo输入root的密码
@@ 行 32: / 行 32: @@
 sudo apt-get install jenkins
 </code>
-安装过后，
+安装过后，详情如下：
-Jenkins will be launched as a daemon up on start. See /etc/init.d/jenkins for more details.
+  * 自动新建一个jenkins用户，宿主目录位于/var/lib/jenkins(可以进root用户passwd jenkins修改密码)
-The 'jenkins' user is created to run this service.
+  * 日志文件位于/var/log/jenkins/jenkins.log
-Log file will be placed in /var/log/jenkins/jenkins.log. Check this file if you are troubleshooting Jenkins.
+  * 配置文件位于:/etc/default/jenkins和/etc/init.d/jenkins
-/etc/default/jenkins will capture configuration parameters for the launch like e.g JENKINS_HOME
+  * 默认端口8080
-By default, Jenkins listen on port 8080. Access this port with your browser to start configuration.
+由于，在我的机器8080端口已经被tomcat占用，所以这里要修改端口，方法如下：
+  - 修改/etc/init.d/jenkins，搜索''"$HTTP_PORT" "8080"''，改成''"$HTTP_PORT" "7070"''
+  - 修改/etc/default/jenkins，搜索''HTTP_PORT=8080''改成''HTTP_PORT=7070''
+启动脚本可以带上端口号，使用nohup让进程在背后运行
+  nohup java -jar /usr/share/jenkins/jenkins.war --httpPort=7070 >> ~/logs/jenkins/jenkins_nohup.out &
+到这里，安装都已完成。
+===== Jenkins的访问 =====
+http://121.43.104.34:7070/
+{{ :分享:技术:持续集成:1.png?300 |}}
+{{ :分享:技术:持续集成:2.png?300 |}}
+===== Jenkins新建构建任务前的准备 =====
+访问 系统管理>系统配置 http://121.43.104.34:7070/configure
+  * 设置maven
+{{ :分享:技术:持续集成:3.png?300 |}}
+  * 设置subversion
+{{ :分享:技术:持续集成:4.png?300 |}}
+{{ :分享:技术:持续集成:5.png?300 |}}
+{{ :分享:技术:持续集成:6.png?300 |}}
+===== Jenkins新建构建任务 =====
+{{ :分享:技术:持续集成:7.png?300 |}}
+{{ :分享:技术:持续集成:8.png?300 |}}
+{{ :分享:技术:持续集成:9.png?300 |}}
+{{ :分享:技术:持续集成:10.png?300 |}}
+到这里，Jenkins构建任务就可以成功执行完，相当于Ubuntu上之前写的脚本，达到的效果是一样的：
+<code>
+mkdir -p ~/build/target/record
+mkdir -p ~/distribute/record
+cd ~/build/target/record
+rm -rf *
+svn co svn://121.43.104.34/gxx/trunk/record --username gxx --password 123456 ~/build/target/record
+cd ~/build/target/record
+mvn clean install -P test
+cp ~/build/target/record/target/*.war ~/distribute/record/record.war
+cp ~/build/target/record/target/*.war /home/soft/apache-tomcat-6.0.39/webapps/
+tail -f ~/logs/record/record.log
+</code>
+===== Jenkins常用菜单介绍 =====
+构建历史可以查看之前的构建记录，红色表示构建失败，蓝色表示构建成功
+{{ :分享:技术:持续集成:11.png?300 |}}
+点击#1，#2进入页面后，点击左侧的Console Output可以查看构建成功日志，失败日志和失败后的解决建议
+{{ :分享:技术:持续集成:12.png?300 |}}
+===== Jenkins暂未研究功能 =====
+Jenkins用户
+{{ :分享:技术:持续集成:13.png?300 |}}
+Jenkins插件
+{{ :分享:技术:持续集成:14.png?300 |}}
+Jenkins邮件功能：比如构建失败会邮件通知
+{{ :分享:技术:持续集成:15.png?300 |}}
+{{ :分享:技术:持续集成:16.png?300 |}}
+Jenkins定规则构建：比如定时每天早上9点构建一次
+===== Jenkins相关目录介绍 =====
+<code>
+~/.jenkins #安装Jenkins后，用户宿主目录下会有一个隐藏文件夹(类似.m2)，需要ls -a才能看到，里面放置Jenkins基本上所有的东西
+~/.jenkins/plugins #插件目录
+~/.jenkins/jobs #任务目录
+~/.jenkins/jobs/record/workspace #任务名为record的工作空间目录，里面放置svn拉下来的源代码
+~/.jenkins/jobs/record/workspace/src #源代码目录
+~/.jenkins/jobs/record/workspace/pom.xml #pom.xml
+~/.jenkins/jobs/record/workspace/target #构建目标目录
+~/.jenkins/jobs/record/workspace/target/record.war #构建后的war包
+</code>
+===== Jenkins构建出错记录 =====
+  * 报错1
+<code>
+[workspace] $ java -Xms256m -Xmx512m -cp /home/gxx/.jenkins/plugins/maven-plugin/WEB-INF/lib/maven31-agent-1.5.jar:/home/soft/apache-maven-3.3.3/boot/plexus-classworlds-2.5.2.jar:/home/soft/apache-maven-3.3.3/conf/logging jenkins.maven3.agent.Maven31Main /home/soft/apache-maven-3.3.3 /home/gxx/.jenkins/war/WEB-INF/lib/remoting-2.51.jar /home/gxx/.jenkins/plugins/maven-plugin/WEB-INF/lib/maven31-interceptor-1.5.jar /home/gxx/.jenkins/plugins/maven-plugin/WEB-INF/lib/maven3-interceptor-commons-1.5.jar 45620
+Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000dae00000, 89456640, 0) failed; error='Cannot allocate memory' (errno=12)
+#
+# There is insufficient memory for the Java Runtime Environment to continue.
+# Native memory allocation (malloc) failed to allocate 89456640 bytes for committing reserved memory.
+# An error report file with more information is saved as:
+# /home/gxx/.jenkins/jobs/record/workspace/hs_err_pid9721.log
+</code>
+''insufficient memory''表示内存不足，Ubuntu中''top''查看''KiB Mem:   1016272 total,   943532 used,    72740 free,      248 buffers''，显示1016M内存已经使用943M，还剩72M内存可用，内存基本已经用满，所以构建失败！解决方法：扩大内存，或者，kill掉其他进程释放内存，重新构建。
+  * 报错2
+<code>
+Started by user anonymous
+Building in workspace /home/gxx/.jenkins/jobs/record/workspace
+Updating svn://121.43.104.34/gxx/trunk at revision '2015-07-15T18:00:42.200 +0800'
+At revision 39
+no change for svn://121.43.104.34/gxx/trunk since the previous build
+Parsing POMs
+[workspace] $ /bin/sh -xe /tmp/hudson8535227838770415382.sh
++ cp target/record.war /home/soft/apache-tomcat-6.0.39/webapps/
+ERROR: No such file /home/gxx/.jenkins/jobs/record/workspace/pom.xml
+Perhaps you need to specify the correct POM file path in the project configuration?
+Finished: FAILURE
+</code>
+''No such file /home/gxx/.jenkins/jobs/record/workspace/pom.xml''表示pom.xml找不到，原因是svn路径写错''svn://121.43.104.34/gxx/trunk''，应该是''svn://121.43.104.34/gxx/trunk/record''

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