Preparing the Jenkins Environment

Updated on 2025-01-17 GMT+08:00

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Environment Description

NOTE:

If the Jenkins environment has been installed, skip this section.

Install Jenkins on a Linux VM. The following lists the environment information used in this practice. If you use an image for deployment, install Docker on the VM.

VM: CentOS 7.9
Jenkins: 2.331
Git: installed using yum
JDK: 11.0.8
Apache Maven: 3.8.6
NOTE:
The following parameter needs to be added to start Jenkins:
```
-Dhudson.security.csrf.GlobalCrumbIssuerConfiguration.DISABLE_CSRF_PROTECTION=true
```
Otherwise, GitLab fails to interconnect with Jenkins. The error is as follows:
```
HTTP Status 403 - No valid crumb was included in the request
```

Downloading and Installing Related Software

Download Jenkins:
https://mirrors.jenkins.io/war-stable/
Install Git to pull code for building:
```
yum install git –y
```
Download the JDK installation package:
https://www.oracle.com/cn/java/technologies/downloads/#java11
Download the Maven installation package:
https://maven.apache.org/download.cgi
Install Docker to pack the image and upload it to the image repository:
```
yum install docker
```

Verifying the Installation

Git

[root@ecs-jenkins ~]# git version
git version 1.8.3.1

JDK

[root@ecs-jenkins jar]# java -version
openjdk version "1.8.0_345"
OpenJDK Runtime Environment (build 1.8.0_345-b01)
OpenJDK 64-Bit Server VM (build 25.345-b01, mixed mode)

Maven

[root@ecs-jenkins jar]# mvn -v
Apache Maven 3.8.6 (84538c9988a25aec085021c365c560670ad80f63)
Maven home: /root/app/maven/apache-maven-3.8.6
Java version: 11.0.8, vendor: Huawei Technologies Co., LTD, runtime: /root/app/jdk11/jdk-11.0.8
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-1160.76.1.el7.x86_64", arch: "amd64", family: "unix"

Docker

[root@ecs-jenkins jar]# docker version
Client:
 Version:         1.13.1
 API version:     1.26
 Package version: docker-1.13.1-209.git7d71120.el7.centos.x86_64
 Go version:      go1.10.3
 Git commit:      7d71120/1.13.1
 Built:           Wed Mar  2 15:25:43 2022
 OS/Arch:         linux/amd64
Server:
 Version:         1.13.1
 API version:     1.26 (minimum version 1.12)
 Package version: docker-1.13.1-209.git7d71120.el7.centos.x86_64
 Go version:      go1.10.3
 Git commit:      7d71120/1.13.1
 Built:           Wed Mar  2 15:25:43 2022
 OS/Arch:         linux/amd64
 Experimental:    false

Figure 1 Version check
Click to enlarge

Parent topic: Environment Preparations

Previous topic: Environment Preparations

Next topic: Uploading Code to GitLab

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