Learning Continuous Integration with Jenkins: An end-to-end guide, 3rd Edition

Cover
Title Page
Copyright and Credits
Contributors
Table of Contents
Preface
Part 1 The Concepts
Chapter 1: The What, How, and Why of Continuous Integration
	What is continuous integration?
		Defining continuous integration
		Key principles of continuous integration
	How to practice continuous integration
		Using a version control tool
		Verifying every code commit for build errors
		Performing unit testing
		Static code analysis
		Employing a binary repository manager
		Orchestrating using a CI/CD tool
		Parallelizing through distributed builds
	Why is continuous integration crucial?
		A faster time to market (TTM)
		Improved software quality
		Highly secure applications
		Cost-effective system
	Summary
	Questions
	Answers
	Further reading
Part 2 Engineering the CI Ecosystem
Chapter 2: Planning, Deploying, and Maintaining Jenkins
	Technical requirements
	Planning your Jenkins setup
		Understanding the Jenkins server architecture
		Jenkins system requirements
		Evaluating Jenkins deployment scenarios
		Understanding JCasC
	Deploying your Jenkins setup
		Deploying Jenkins on a managed Kubernetes cluster
		Deploying Jenkins to a cloud instance
	Maintaining your Jenkins setup
		Following a structured approach to upgrades
		Implementing backup strategies for Jenkins build data
	Summary
	Questions
	Answers
	Further reading
Chapter 3: Securing Jenkins
	Technical requirements
	Configuring user authentication and permissions
		Registering Jenkins on Azure AD
		Installing the Jenkins plugin for Azure AD
		Configuring Azure AD settings in Jenkins
		Configuring user permissions in Jenkins
	Understanding CSRF protection in Jenkins
	Using Jenkins Credentials
		Types of credentials
		Scope of credentials
		Securing secrets in JCasC
	Summary
	Questions
	Answers
	Further reading
Chapter 4: Extending Jenkins
	Technical requirements
	Connecting Jenkins to a version control system
		Installing the Jenkins plugin for GitHub
		Creating a personal access token on GitHub
		Creating a secret text credential inside Jenkins
		Creating a username and password credential inside Jenkins
		Configuring the GitHub plugin
	Connecting Jenkins to SonarQube
		Deploying an Nginx Ingress controller for SonarQube
		Deploying a SonarQube server using a Helm chart
		Deploying an Ingress file for SonarQube
		Installing the Jenkins plugin for SonarQube
		Creating a global analysis token on SonarQube
		Creating a secret text credential inside Jenkins
		Configuring the SonarQube plugin
	Connecting Jenkins to Artifactory
		Deploying an Nginx Ingress controller for Artifactory
		Deploying an Artifactory server using a Helm chart
		Deploying an Ingress file for Artifactory
		Installing the Jenkins plugin for Artifactory
		Creating a user in Artifactory
		Creating a username and password credential inside Jenkins
		Configuring the Artifactory plugin
	Summary
	Questions
	Answers
	Further reading
Chapter 5: Scaling Jenkins
	Technical requirements
	Understanding Jenkins’ distributed build architecture
		An overview of the master–agent model
		Methods for building a distributed farm
	Creating on-demand build agents on Kubernetes
		Understanding the Kubernetes plugin configuration
	Creating on-demand build agents on Azure
		Installing the Jenkins Azure VM Agents plugin
		Creating an Azure service principal in Azure
		Creating an Azure service principal credential inside Jenkins
		Configuring the Azure VM Agents plugin
	Summary
	Questions
	Answers
	Further reading
Part 3 Crafting the CI Pipeline
Chapter 6: Enhancing Jenkins Pipeline Vocabulary
	Technical requirements
	Building vocabulary for pipeline code
		Introducing Jenkins pipeline code
		Understanding the components of Declarative Pipelines
		Managing complexity using nested stages
	Using built-in tools to construct pipeline code
		Introducing the Declarative Directive Generator
		Introducing Jenkins Snippet Generator
	Summary
	Questions
	Answers
	Further reading
Chapter 7: Crafting AI-Powered Pipeline Code
	Technical requirements
	Introducing AI, language models, and ChatGPT
	Guidelines for effective interaction with ChatGPT
		Describing your pipeline requirements
		Running your pipeline code
		Troubleshooting your pipeline code
		Refining your code
	Constructing a pipeline code using ChatGPT
	Understanding the limitations of ChatGPT
	Summary
	Questions
	Answers
Chapter 8: Setting the Stage for Writing Your First CI Pipeline
	Technical requirements
	Understanding the software project for CI
		Understanding the architecture
		Understanding the source code
		Understanding the backend code
		Understanding the frontend code
		Understanding the database code
	Creating a repository on GitHub for your project
	High-level CI design
		Source code considerations
		High-level CI pipeline design
	Creating a webhook on the repository
	Setting up a project in SonarQube
	Using Artifactory as a Docker registry
	Creating a Kubernetes Secret on AKS
	Summary
	Questions
	Answers
Chapter 9: Writing Your First CI Pipeline
	Technical requirements
	Writing CI pipeline code
		Configuring Jenkins agent settings
		Performing unit testing
		Performing static code analysis
		Performing a SonarQube quality gate check
		Building and publishing images to Artifactory
		Publishing build info to Artifactory
		Publishing testing results to Jenkins
	CI in action
		Creating a Multibranch Pipeline Job in Jenkins
		Visualizing the CI pipeline run and test results
		Visualizing the SCA report and code coverage
		Visualizing build artifacts
	Summary
	Questions
	Answers
	Further reading
Part 4 Crafting the CD Pipeline
Chapter 10: Planning for Continuous Deployment
	Technical requirements
	Understanding Continuous Deployment
		Universal CI with master-only CD
		Universal CI and CD
		Understanding GitOps
	Planning Continuous Deployment
		High-level Continuous Deployment design
		Exploring the Helm chart of our web application
		Setting up staging and production environments
		Installing Argo CD
		Creating applications in Argo CD
		Integrating Jenkins with Argo CD
	Summary
	Questions
	Answers
	Further reading
Chapter 11: Writing Your First CD Pipeline
	Technical requirements
	Writing CD pipeline code
		Updating Jenkins agent settings
		Configuring pipeline options and the environment
		Update Staging Helm Chart Configuration
		Verify Staging Deployment Health
		Run Performance Testing
		Update Production Helm Chart Configuration
		Verify Production Deployment Health
	CD in action
		Verifying changes on the Helm chart
		Verifying the deployment in staging and production
		Visualizing performance testing results
	Summary
	Questions
	Answers
	Further reading
Chapter 12: Enhancing Your CI/CD Pipelines
	Technical requirements
	Using GitHub Copilot to write pipeline code
		Enabling GitHub Copilot
		Using Copilot to write pipeline code
		Choosing between Copilot and ChatGPT
	Using Jenkins Shared Libraries
		Writing a Jenkins Shared Library
		Configuring a Shared Library inside Jenkins
		Using the Shared Library inside your pipeline
	Discarding old builds in Jenkins
	Catching security vulnerabilities early in code
		Installing JFrog Xray
		Scanning for vulnerabilities through a CI pipeline
		Adding the Jenkins build to the scans list
		Visualizing the vulnerability report using Xray
	Summary
	Questions
	Answers
	Further reading
Index
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