Learning Continuous Integration with Jenkins : An end-to-end guide to creating operational, secure, resilient, and cost-effective CI/CD processes

Learning Continuous Integration with Jenkins
Contributors
About the author
About the reviewers
Preface
   The motivation behind writing this book
   The goal of this book
   Why this book is important
   The research behind the book
   Who this book is for
   What this book covers
   To get the most out of this book
   Download the example code files
   Conventions used
   Get in touch
   Share Your Thoughts
   Download a free PDF copy of this book
Part 1: The Concepts
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
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
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
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
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
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
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
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
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
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
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
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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