Installation and use of Jenkins

Jenkins What is it? ？
Jenkins yes ⼀ Alone ⽴ The open source ⾃ Automation server , can ⽤ On ⾃ Automation and construction 、 test 、 Deliver or deploy software related tasks
For our testing, there is no shortage of Jenkins, Next, we will install Jenkins

• Jenkins Installation

1. download Jenkins War package
   Enter official website https://www.jenkins.io/download/#downloading-jenkins
   
2. Deploy Jenkins
   After downloading, unzip it to the computer folder
   Because we are downloading war package , So as long as we can transport ⾏java Land ⽅ You can build Jenkins; So we found Jenkins.war Of route And proceed under the changed path ⼊cmd perhaps The input terminal java -jar <jenkins.war The path of >
   
   After operation , Will automatically build a local service , And will be in c A hidden folder is generated under the user file under the disk jenkins Service support , We can also search in cmd Find the path in the data returned from the window
   
   
   Because a local service will be generated automatically , Let's open it now Enter the local service URL 127.0.0.1：8080
   
   We will see that this page requires an administrator password , This password is actually in our cmd Window run start Jenkins Can be found in the data returned in Search for initialAdminPassword
   
   After we get the password Go back to the page just now Enter the password and click continue
   
   
   Then wait for the installation to complete
   
   If installation fails , There are usually a few reasons
   1、 Your plug-in installation update source needs to be changed to the domestic image source
   modify Jenkins⼯ do ⽬ Recorded hudson.model.UpdateCenter.xml ⽂ Pieces of , take url Change by http://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/updatecenter.json
   modify Jenkins⼯ do ⽬ Recorded updates/default.json ⽂ Pieces of , take updates.jenkins.io/download All replacement
   become mirrors.tuna.tsinghua.edu.cn/jenkins And will www.google.com Replace all with www.baidu.com
   restart Jenkins service
   2、 It's because of you ⽹ Bad communication , So if something goes wrong , Please visit again , Just reinstall ;
   www.hctestedu.com Chinese survey Education -CICD

After the normal installation is successful , We can create ⼀ An administrator ⽤ The door is closed ,⾃⼰ Set administrator's ⽤ Account name and password

After creating this administrator, you will jump to the instance configuration page Here we don't need to click save directly to complete


Page Jump to the home page , So our installation is complete

Note if the plug-in installation fails ：
1、 Record the name of the plug-in
2、 open Jenkins Enter settings
3、 Enter plug-in management , And copy the name of the failed plug-in to the search box for download and installation （ The plug-in installation needs to be restarted to take effect ）

• Jenkins Use
  Simply make ⽤ term ⽬ There are only three steps to interact with the operating system ： Build tasks 、 Set up the build script 、 shipment ⾏ term
  ⽬
  Create a project That is to create a new task
  
  So let's create a new task
  
  Don't worry about the rest , Select the first back point to confirm , Enter the project configuration interface
  
  Slide down to build options
  
  Click OK after selection , Pop up the input box
  
  After saving, we have a task , Page jumps to workbench , We can run the new task
  
  Select the console output button on the operation record page , Go to the console page
  
  Be careful ： If we were pychar Terminal running command in , For example, we need to run a test.py file , Then we are pychar Does the terminal have to input commands python test.py
  So we're in Jenkins in , The command file address must be an absolute path You can't type in python test.py And the command cannot contain Chinese
  Why? ？
  1、 because Jenkins The principle of the running script is that it is passed to in the form of data Jenkins
  2、 Data transfer to Jenkins Then there is the operation of saving , The data will change during the saving process
  How to solve it ？
  Restart Jenkins （ Be careful not to open the URL ）
  Startup time Specified encoding ： java -Dfile.encoding=utf-8 -jar <Jenkins The path of >