book

Learning Continuous Integration with Jenkins - Third Edition

by Nikhil Pathania

January 2024

Intermediate to advanced

396 pages

9h 56m

English

Packt Publishing

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ContributorsAbout the authorAbout the reviewers
The motivation behind writing this bookThe goal of this bookWhy this book is importantThe research behind the bookWho this book is forWhat this book coversTo get the most out of this bookDownload the example code filesConventions usedGet in touchShare Your ThoughtsDownload a free PDF copy of this book
What is continuous integration?Defining continuous integrationKey principles of continuous integrationHow to practice continuous integrationUsing a version control toolVerifying every code commit for build errorsPerforming unit testingStatic code analysisEmploying a binary repository managerOrchestrating using a CI/CD toolParallelizing through distributed buildsWhy is continuous integration crucial?A faster time to market (TTM)Improved software qualityHighly secure applicationsCost-effective systemSummaryQuestionsAnswersFurther reading
Technical requirementsPlanning your Jenkins setupUnderstanding the Jenkins server architectureJenkins system requirementsEvaluating Jenkins deployment scenariosUnderstanding JCasCDeploying your Jenkins setupDeploying Jenkins on a managed Kubernetes clusterDeploying Jenkins to a cloud instanceMaintaining your Jenkins setupFollowing a structured approach to upgradesImplementing backup strategies for Jenkins build dataSummaryQuestionsAnswersFurther reading
Technical requirementsConfiguring user authentication and permissionsRegistering Jenkins on Azure ADInstalling the Jenkins plugin for Azure ADConfiguring Azure AD settings in JenkinsConfiguring user permissions in JenkinsUnderstanding CSRF protection in JenkinsUsing Jenkins CredentialsTypes of credentialsScope of credentialsSecuring secrets in JCasCSummaryQuestionsAnswersFurther reading
Technical requirementsConnecting Jenkins to a version control systemInstalling the Jenkins plugin for GitHubCreating a personal access token on GitHubCreating a secret text credential inside JenkinsCreating a username and password credential inside JenkinsConfiguring the GitHub pluginConnecting Jenkins to SonarQubeDeploying an Nginx Ingress controller for SonarQubeDeploying a SonarQube server using a Helm chartDeploying an Ingress file for SonarQubeInstalling the Jenkins plugin for SonarQubeCreating a global analysis token on SonarQubeCreating a secret text credential inside JenkinsConfiguring the SonarQube pluginConnecting Jenkins to ArtifactoryDeploying an Nginx Ingress controller for ArtifactoryDeploying an Artifactory server using a Helm chartDeploying an Ingress file for ArtifactoryInstalling the Jenkins plugin for ArtifactoryCreating a user in ArtifactoryCreating a username and password credential inside JenkinsConfiguring the Artifactory pluginSummaryQuestionsAnswersFurther reading
Technical requirementsUnderstanding Jenkins’ distributed build architectureAn overview of the master–agent modelMethods for building a distributed farmCreating on-demand build agents on KubernetesUnderstanding the Kubernetes plugin configurationCreating on-demand build agents on AzureInstalling the Jenkins Azure VM Agents pluginCreating an Azure service principal in AzureCreating an Azure service principal credential inside JenkinsConfiguring the Azure VM Agents pluginSummaryQuestionsAnswersFurther reading

Technical requirementsBuilding vocabulary for pipeline codeIntroducing Jenkins pipeline codeUnderstanding the components of Declarative PipelinesManaging complexity using nested stagesUsing built-in tools to construct pipeline codeIntroducing the Declarative Directive GeneratorIntroducing Jenkins Snippet GeneratorSummaryQuestionsAnswersFurther reading
Technical requirementsIntroducing AI, language models, and ChatGPTGuidelines for effective interaction with ChatGPTDescribing your pipeline requirementsRunning your pipeline codeTroubleshooting your pipeline codeRefining your codeConstructing a pipeline code using ChatGPTUnderstanding the limitations of ChatGPTSummaryQuestionsAnswers
Technical requirementsUnderstanding the software project for CIUnderstanding the architectureUnderstanding the source codeUnderstanding the backend codeUnderstanding the frontend codeUnderstanding the database codeCreating a repository on GitHub for your projectHigh-level CI designSource code considerationsHigh-level CI pipeline designCreating a webhook on the repositorySetting up a project in SonarQubeUsing Artifactory as a Docker registryCreating a Kubernetes Secret on AKSSummaryQuestionsAnswers
Technical requirementsWriting CI pipeline codeConfiguring Jenkins agent settingsPerforming unit testingPerforming static code analysisPerforming a SonarQube quality gate checkBuilding and publishing images to ArtifactoryPublishing build info to ArtifactoryPublishing testing results to JenkinsCI in actionCreating a Multibranch Pipeline Job in JenkinsVisualizing the CI pipeline run and test resultsVisualizing the SCA report and code coverageVisualizing build artifactsSummaryQuestionsAnswersFurther reading
Technical requirementsUnderstanding Continuous DeploymentUniversal CI with master-only CDUniversal CI and CDUnderstanding GitOpsPlanning Continuous DeploymentHigh-level Continuous Deployment designExploring the Helm chart of our web applicationSetting up staging and production environmentsInstalling Argo CDCreating applications in Argo CDIntegrating Jenkins with Argo CDSummaryQuestionsAnswersFurther reading
Technical requirementsWriting CD pipeline codeUpdating Jenkins agent settingsConfiguring pipeline options and the environmentUpdate Staging Helm Chart ConfigurationVerify Staging Deployment HealthRun Performance TestingUpdate Production Helm Chart ConfigurationVerify Production Deployment HealthCD in actionVerifying changes on the Helm chartVerifying the deployment in staging and productionVisualizing performance testing resultsSummaryQuestionsAnswersFurther reading
Technical requirementsUsing GitHub Copilot to write pipeline codeEnabling GitHub CopilotUsing Copilot to write pipeline codeChoosing between Copilot and ChatGPTUsing Jenkins Shared LibrariesWriting a Jenkins Shared LibraryConfiguring a Shared Library inside JenkinsUsing the Shared Library inside your pipelineDiscarding old builds in JenkinsCatching security vulnerabilities early in codeInstalling JFrog XrayScanning for vulnerabilities through a CI pipelineAdding the Jenkins build to the scans listVisualizing the vulnerability report using XraySummaryQuestionsAnswersFurther reading
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Overview

This book, 'Learning Continuous Integration with Jenkins', provides a comprehensive guide to mastering CI/CD concepts and techniques using Jenkins. Through practical hands-on examples, it helps readers build and optimize secure, efficient, and maintainable CI/CD pipelines, covering topics such as Jenkins configuration, integration with cloud platforms, and advanced pipeline scripting.

What this Book will help me do

Master the essentials of Continuous Integration and Continuous Deployment processes.
Set up and configure Jenkins in the cloud using cutting-edge technologies such as Helm and JCasC.
Enhance your CI/CD pipelines with robust testing, security, and deployment practices.
Extend Jenkins integration with tools like SonarQube, GitHub, and Artifactory.
Leverage advanced techniques like GitOps, AI-driven code writing, and scaling with Kubernetes and containers.

Author(s)

Nikhil Pathania is a software engineer with extensive experience in DevOps, Continuous Integration, and Continuous Deployment. He has worked on various large-scale projects implementing CI/CD practices and enjoys teaching others how to succeed in similar technical challenges. Nikhil continues to explore evolving tools and methodologies to share his knowledge.

Who is it for?

This book is perfect for software developers, DevOps engineers, and system administrators seeking to streamline their automation processes with Jenkins. Readers with a basic understanding of CI/CD concepts will find actionable insights to enhance their knowledge. Whether you aim to start with Jenkins or optimize existing pipelines, this resource will serve you well.