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In this article, the editor introduces in detail "how to achieve clustering management and assembly line project configuration in Jenkins". The content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to achieve cluster management and assembly line project configuration in Jenkins" can help you solve your doubts.

A brief introduction to Jenkins Cluster

First of all, let's talk about the workflow of a single Jenkins:

1. Download the code locally from the GitLab remote repository

two。 The code is compiled into a war package by the local Maven (for Tomcat)

3. Finally, the packaged war package is placed in the target location (usually transmitted through a script)

The above is a rough workflow of Jenkins.

Now let's talk about why you use Jenkins clustering:

In fact, the main purpose of using Jenkins cluster is to relieve a work pressure of Jenkins Master (Jenkins itself is Master).

Because when multiple projects are deployed on Jenkins at the same time, the pressure on a single Jenkins server may be too great (pull, compile, publish)

1. Configure Jenkins to realize cluster function

Need to install: SSH, SSH Agent, SSH Build Agents plug-ins on Jenkins.

You need to install the JDK package on Node and synchronize the time.

1) configure Jenkins cluster

Manage Jenkins-Manage Nodes and Clouds

2) prepare the project

3) Build Now

Ssh-copy-id root@192.168.1.3 # needs to send the public key of the Node node to Client

two。 Configure pipelined projects using Jenkins

The Jenkins pipeline (Pipeline) is to present the details of each construction phase through Pipeline during the construction of the task project.

Pipeline format:

Pipeline {agent any # operates stages {on all hosts # Task set stage ('Hello') {# Task name is Hello steps {echo' Hello World' # commands to be executed by Hello tasks}

Note: I'm just doing a brief demonstration here, and you can play something more advanced according to the pipeline syntax.

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