Preface

Who Should Read This Book

Whether as a side project, or for your core work, a service mesh is a necessary tool in your cloud native infrastructure. This book is for anyone looking to get started with Istio. It is expected that readers are comfortable with Docker and Kubernetes before starting this book, but having basic knowledge of networking and Linux should be sufficient to learn Istio through this text. Knowledge of Go or another programming language is not needed or expected.

We touch on many cloud native tools and topics such as Prometheus, Jaeger, Grafana, Meshery, Envoy, and OpenTracing. Familiarity with these is ideal, but only preliminary knowledge is sufficient to digest the contents of this book.

Why We Wrote This Book

The era of service meshes ushers in a new layer of intelligent network services that are changing the architecture of modern applications and the confidence with which they are delivered. Istio, as one of many service meshes, but one with a vast set of features and capabilities, needs an end-to-end guide.

The aim of this book is to provide that step-by-step guide to getting started with Istio. It wraps the reader’s arms all the way around it, so that their fingertips touch on the other side. Each concept is provided in a logical, organized fashion, that builds on the previously covered one. With so many moving parts and an active community, this book can’t cover all advanced use cases, but instead focuses on the core building blocks and more timeless aspects of the project. We point readers to additional resources as appropriate.

When you have worked your way through to the end of Istio: Up and Running, you should be familiar with all of Istio’s major capabilities and be able to deploy Istio in your own environments with confidence.

Conventions Used in This Book

The following typographical conventions are used in this book:

Italic

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Constant width

Used for program listings, as well as within paragraphs to refer to program elements such as variable or function names, databases, data types, environment variables, statements, and keywords.

Constant width bold

Shows commands or other text that should be typed literally by the user.

Constant width italic

Shows text that should be replaced with user-supplied values or by values determined by context.

Tip

This element signifies a tip or suggestion.

Note

This element signifies a general note.

Warning

This element indicates a warning or caution.

Using Code Examples

Supplemental material (code examples, exercises, etc.) is available for download at https://oreil.ly/istio-up-and-running.

This book is here to help you get your job done. In general, if example code is offered with this book, you may use it in your programs and documentation. You do not need to contact us for permission unless you’re reproducing a significant portion of the code. For example, writing a program that uses several chunks of code from this book does not require permission. Selling or distributing a CD-ROM of examples from O’Reilly books does require permission. Answering a question by citing this book and quoting example code does not require permission. Incorporating a significant amount of example code from this book into your product’s documentation does require permission.

We appreciate, but do not require, attribution. An attribution usually includes the title, author, publisher, and ISBN. For example: “Istio: Up and Running by Lee Calcote and Zack Butcher (O’Reilly). Copyright 2020 Lee Calcote and Zack Butcher, 978-1-492-04378-2.”

If you feel your use of code examples falls outside fair use or the permission given above, feel free to contact us at .

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Acknowledgments

Thanks to Nikki McDonald, John Devins, Virginia Wilson, Corbin Collins, Deborah Baker, and the rest of the team at O’Reilly.

And special thanks to everyone who reviewed our manuscript as this book came together, especially our technical reviewers Myles Steinhauser, Girish Ranganathan, and Jess Males.

Lee would like to personally acknowledge: Jill, your fortitude and love is the foundation upon which I stand. Our double ewes are most precious because of you. Dr. G, the journey has only begun, my friend. Thank you for accompanying me on it. Keith, I covet our time together and find refuge in the true friendship you give me.

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