Jenkins operation Chapter 5 trigger, configuration webhook, Jenkins parameterized construction

1、Jenkins Trigger type

jenkins built-in 4 Build triggers

 Trigger remote build 
 Trigger after other projects are built （Build after other projects are build）
 Time to build （Build periodically）
 polling  SCM（Poll SCM）

2、 Trigger remote build

establish new item project web_app01

Application save
Authentication token arbitrary , Remember not to change

URL:http://192.168.199.133:8888/job/web_demo_pipeline/build?token=8888

open web, Input URL, Trigger Jenkins An automated build

3、 Trigger after other projects are built

First create pre_project Front assembly line engineering

Recent examples of pre engineering , There is no need to git Pull the code , Just output the statement

Back to what you just created web_app01 In project configuration

Start building front projects

Manually build the front project , Trigger directly after the pre project is built web_app01 project

4、 Time to build

The timing strings from left to right are ; branch when Japan month Zhou

Case study

 Every time  30  Build once in minutes (H  On behalf of the parameter )：H/30 * * * *
 Every time  2  Build once an hour : H H/2 * * *
 Daily  8  spot ,12  spot ,22  spot , Build... In a day  3  Time ( Multiple time points are separated by commas )：0 8,12,22 * * *
 Every day at noon  12  Build once on a regular basis ：H 12 * * *
 Every afternoon  18  Build once on a regular basis ：H 18 * * *
 Every... In the first half of every hour  10  minute ：H(0-29)/10 * * * *
 Every two hours , Every weekday in the morning  9  Point to the afternoon  5  spot ( Maybe in the morning 10:38, Afternoon 12:38, Afternoon 2:38, Afternoon 4:38：H H(9-16)/2 * * 1-5

go back to web_app01 project

5、 polling SCM

polling SCM, When specified, scan the local code warehouse for code changes , If the code changes, the project build is triggered

Be careful ： This time build triggers ,Jenkins The code of the whole local project will be scanned regularly , Increase the cost of the system , Not recommended .

modify idea Code commit to gitab in

See if it is built automatically

6、 Turn on webhook function

land gitlab in , Use root Account login to the background , Click on Admin Area -> Settings -> Network
Check Allow requests to the local network from web hooks and services

The second step go back to Jenkins in

Add... To the project webhook, Add the plug-in “ webhook and gitlab ” plug-in unit

stay web_app01 Project configuration

stay gitlab Add to the project webhook

go back to Jenkins

Be careful ： The following settings must be completed , Otherwise, the report will be wrong

manage Jenkins------》Configure system

go back to gtlab The test again

Automatically use after success webhook Completion of construction

After changing the code of the development environment

Submit code ,Jenkins Automatically create

7、 Parametric construction

7.1、 Introduction function

 Sometimes in the process of building a project , We need to input some parameters dynamically according to the user's input , This will affect the results of the entire build ,
 At this time   We can use parameterization to build .Jenkins  Support very rich parameter types .   
 Imagine a real application scenario , In a big project , It is certainly impossible to have only one version , There may be major versions ,v1,v2  wait .
 Now  master  Branches store the main version of the code ,v1  Branch on deposit  v1  Version code , Isolate from each other without interference .
 At this point, parameterized construction can be useful .

7.2、jenkins Enable the parametric build function

go back to web_app01 Cancel all build trigger options in

Click apply to save

Project creation Branch , And push to gitlab in

Be careful ：SCM In the code of , Must put master Switch to ‘‘branch’’

7.3、 Create a new branch and push and build the publication

The new branch V1

structure master Branch project code

structure V1 Branch code