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Jenkins 2.x Continuous Integration Cookbook - Third Edition

By : Mitesh Soni, Berg

3 (2)

Jenkins 2.x Continuous Integration Cookbook

3 (2)

By: Mitesh Soni, Berg

Overview of this book

Jenkins 2.x is one of the most popular Continuous Integration servers in the market today. It was designed to maintain, secure, communicate, test, build, and improve the software development process. This book will begin by guiding you through steps for installing and configuring Jenkins 2.x on AWS and Azure. This is followed by steps that enable you to manage and monitor Jenkins 2.x. You will also explore the ways to enhance the overall security of Jenkins 2.x. You will then explore the steps involved in improving the code quality using SonarQube. Then, you will learn the ways to improve quality, followed by how to run performance and functional tests against a web application and web services. Finally, you will see what the available plugins are, concluding with best practices to improve quality.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Getting Started with Jenkins

Getting Started with Jenkins

Introduction

Installing Jenkins 2 on Windows

Installing Jenkins 2 on CentOS

Installing Jenkins 2 on Azure

Installing Jenkins as a Service in Windows

Installing plugins in Jenkins

Uploading plugins in Jenkins

Configuring proxy in Jenkins

Configuring global settings in Jenkins

Configuring JENKINS_HOME

Understanding JENKINS_HOME directory

Using different ports for Jenkins

Configuring JAVA_HOME in Jenkins

Configuring Git in Jenkins

Configuring ANT_HOME in Jenkins

Configuring MAVEN_HOME in Jenkins

Configuring GRADLE_HOME in Jenkins

Creating a Freestyle job for Ant Project

Creating a Maven Job for Maven Project

Management and Monitoring of Jenkins

Management and Monitoring of Jenkins

Understanding master/agent architecture

Managing Jenkins build jobs using Eclipse

Backing up and restoring Jenkins

Command-line options in Jenkins using Jenkins CLI

Modifying the Jenkins configuration from the command line

Managing disk usage

Shutdown Jenkins safely

Monitoring Jenkins with JavaMelody

Monitoring a Jenkins Job using a Build Monitor View

Configuring mail notifications

Signaling the need to archive

Managing Security

Managing Security

Introduction

Improving security with Jenkins configuration

Configuring Authorization - Matrix-based security

Configuring a Project-based Matrix Authorization Strategy

Jenkins and OpenLDAP integration

Jenkins and Active Directory integration

Jenkins and OWASP Zed Attack Proxy integration

Testing for OWASP's top 10 security issues

Finding 500 errors and XSS attacks in Jenkins through fuzzing

Avoiding sign-up bots with JCaptcha

Improving Code Quality

Improving Code Quality

Introduction

Integrating Jenkins with SonarQube

The updating center in SonarQube

Quality gates, quality profiles, and rules

Verifying HTML, CSS and JavaScript validity using SonarQube

Verifying Java code using SonarQube

Configuring SonarQube as a Windows service

Building Applications in Jenkins

Building Applications in Jenkins

Introduction

Configuring an Ant project for execution

Configuring a Maven project for execution

Configuring an Android project for execution

Manipulating environmental variables

Running Ant through Groovy in Maven

Failed Jenkins jobs based on JSP syntax errors

Remotely triggering jobs through the Jenkins API

Continuous Delivery

Continuous Delivery

Introduction

Archiving artifacts

Copying an artifact from another build job

Integrating Jenkins with Artifactory

Deploying a WAR file from Jenkins to Tomcat

Deploying a WAR file from Jenkins to AWS Beanstalk

Deploying a WAR file from Jenkins to Azure App Services

Promoting builds

Continuous Testing

Continuous Testing

Getting started with continuous testing

Creating a Selenium test case using Eclipse

Integrating Jenkins and Selenium for functional testing

Jenkins and Cucumber test reports

Creating a load test in Apache JMeter

Executing a load test from Jenkins

Reporting JMeter performance metrics

Testing with FitNesse

Orchestration

Orchestration

Introduction

Understanding upstream and downstream jobs

Configuring upstream and downstream jobs

Configuring a build pipeline

Creating a pipeline job

Using a sample pipeline for execution

Configuring a pipeline job for end-to-end automation

Getting started with the Blue Ocean dashboard

Jenkins UI Customization

Jenkins UI Customization

Introduction

Skinning Jenkins with the simple themes plugin

Skinning and provisioning Jenkins using a WAR overlay

Generating a home page

Creating HTML reports

Efficient use of views

Saving screen space with the Dashboard View plugin

Making noise with HTML5 browsers

An extreme view for reception areas

Processes that Improve Quality

Processes that Improve Quality

Culture and collaboration

Fail early or fail faster

Data-driven testing

Learning from history

Considering test automation as a software project

Visualize, visualize, and visualize!

Conventions are good

Test frameworks and commercial choices are increasing

Offsetting work to Jenkins nodes

Starving QA/integration servers

Reading the change log of Jenkins

Avoiding human bottlenecks

Avoiding groupthink

Training and community

Visibly rewarding successful developers

Stability and code maintenance

Resources on quality assurance

And there's always more

Final comments

Configuring global settings in Jenkins

Configure system is the place where initial settings can be done, and it is useful. You can configure SMTP server details, SonarQube server details, environment variables, and so on.

Getting ready

To configure global settings and paths, we need to go to Configure System in the Jenkins dashboard.

How to do it...

Go to the Jenkins dashboard.
Click on Manage Jenkins.
Click on Configure System.
Verify the Home directory available:

In the Configure System page, we can define Environment variables too so that it can be used during the execution of build jobs.
For example, we can configure the ANDROID SDK path in Environment variables in order to set Continuous Integration for Android Apps.

Another important configuration available on the same page is Jenkins Location. You can specify the HTTP address of the Jenkins installation, as Jenkins cannot reliably detect such a Jenkins URL from within itself:

There's more...

There are some important configurations that you need to do here in the Configure System section, such as SCM Polling, E-mail Notification, Extended E-mail Notification, Git plugin, Disk usage, Quality Gates - SonarQube, Build Pipeline Plugin, Copyartifact: Upstream build that triggered this job, Audit Trail, SonarQube servers, and so on.

Visually different images

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