The Kubernetes Operator Framework Book
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The Kubernetes Operator Framework Book
By:
Overview of this book
From incomplete collections of knowledge and varying design approaches to technical knowledge barriers, Kubernetes users face various challenges when developing their own operators. Knowing how to write, deploy, and pack operators makes cluster management automation much easier – and that's what this book is here to teach you.
Beginning with operators and Operator Framework fundamentals, the book delves into how the different components of Operator Framework (such as the Operator SDK, Operator Lifecycle Manager, and OperatorHub.io) are used to build operators. You’ll learn how to write a basic operator, interact with a Kubernetes cluster in code, and distribute that operator to users. As you advance, you’ll be able to develop a sample operator in the Go programming language using Operator SDK tools before running it locally with Operator Lifecycle Manager, and also learn how to package an operator bundle for distribution. The book covers best practices as well as sample applications and case studies based on real-world operators to help you implement the concepts you’ve learned.
By the end of this Kubernetes book, you’ll be able to build and add application-specific operational logic to a Kubernetes cluster, making it easier to automate complex applications and augment the platform.
Table of Contents (16 chapters)
Preface
Part 1: Essentials of Operators and the Operator Framework
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Chapter 1: Introducing the Operator Framework
Chapter 2: Understanding How Operators Interact with Kubernetes
Part 2: Designing and Developing an Operator
Chapter 3: Designing an Operator – CRD, API, and Target Reconciliation
Chapter 4: Developing an Operator with the Operator SDK
Chapter 5: Developing an Operator – Advanced Functionality
Chapter 6: Building and Deploying Your Operator
Part 3: Deploying and Distributing Operators for Public Use
Chapter 7: Installing and Running Operators with the Operator Lifecycle Manager
Chapter 8: Preparing for Ongoing Maintenance of Your Operator
Chapter 9: Diving into FAQs and Future Trends
Chapter 10: Case Study for Optional Operators – the Prometheus Operator
Chapter 11: Case Study for Core Operator – Etcd Operator
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