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Jenkins

The document provides an overview of Jenkins, an open-source automation server used for CI/CD processes in software development, detailing its installation, dashboard, job scheduling, and integration with tools like Git and Ansible. It covers user management, environment variables, and the use of Maven for building Java projects. Additionally, it includes a Jenkins Pipeline section and bonus tips for effective usage.

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bosyogeshkumar
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36 views26 pages

Jenkins

The document provides an overview of Jenkins, an open-source automation server used for CI/CD processes in software development, detailing its installation, dashboard, job scheduling, and integration with tools like Git and Ansible. It covers user management, environment variables, and the use of Maven for building Java projects. Additionally, it includes a Jenkins Pipeline section and bonus tips for effective usage.

Uploaded by

bosyogeshkumar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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What is jenkins and CI/CD?

Lab Setup & Installation


Jenkins Dashboard Overview
Some Basic Jenkins Job
Scheduling The Job
Working with GIT Repo
Email Notification

Topics Job for action on Remote server


Jenkins + Ansible Playbook
Project - Website Update on Remote Server
User Management (Role Based)
Envirnment Variables
Jenkins + MAVEN
CI/CD Project (Jenkins PIPELINE)
Bonus Tips
What is Jenkins?
Jenkins is an open-source
automation server
Automate various parts of
software development.

Building Testing Deploy


What is CI/CD?
CI/CD is a method of frequently delivering apps
to customers by introducing automation into
the stages of app development.
Lab Setup
Installation
sudo dnf upgrade

sudo wget -O /etc/yum.repos.d/jenkins.repo \


https://pkg.jenkins.io/redhat-stable/jenkins.repo
sudo rpm --import https://pkg.jenkins.io/redhat-
stable/jenkins.io-2023.key

sudo yum install jenkins


sudo systemctl start/stop jenkins

To start the Jenkins from browser: IP:8080


To access it from browser, we need to enable it on firewall
--------------------------------------------------------------------------

sudo firewall-cmd --permanent --zone=public --add-port=8080/tcp


sudo firewall-cmd --reload
Overview Of
DASHBOARD
Git hub link - https://github.com/paulphilip/pythoncode
GMAIL SMTP

Git hub link - https://github.com/paulphilip/pythoncode


Task like

Transfer file
Execute Commands

SERVER A
SERVER B
ServerA ServerB ServerC ServerD

Module

Inventory
Apache Webserver

SERVER A
SERVER B
Summary of Jenkins + Ansible Section

Quick overview of Ansible


Installing Ansible plugin
Jenkins job with ‘Invoke Ansible Playbook’
Perform task on Local vs Remote host
Ansible job execute as ‘jenkins’ user
Execute task which required SUDO access
Basic project of Updating the Webpage of remote
server and publish it.
User Management
Plugin: Role-based Authorization Strategy
Create a new user

Manage Jenkins:
Security -> Autorization -> Role-based
Manage and Assign Roles
Add a new read-only role and assign the
permission
Assign Roles -> Add new user (nick) and assign
read-only role
Environment Variables
We can use pre-defined variables by jenkins
like
BUILD_NUMBER, WORKSPACE etc

https://wiki.jenkins.io/display/JENKINS/Building+a+software+project#Buildingasoftwar
eproject-belowJenkinsSetEnvironmentVariables
What is maven?
Maven is a build automation tool used
primarily for Java projects.
Working with Git and Maven
Build jar using Maven
Testing
Deploy jar locally
Graphical representation of results
Send Email notification
Jenkins Pipeline
https://www.jenkins.io/doc/book/pipeline/

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