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End-to-End Automation with Kubernetes and Crossplane

You're reading from   End-to-End Automation with Kubernetes and Crossplane Develop a control plane-based platform for unified infrastructure, services, and application automation

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Product type Paperback
Published in Aug 2022
Publisher Packt
ISBN-13 9781801811545
Length 250 pages
Edition 1st Edition
Concepts
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Author (1):
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Arun Ramakani Arun Ramakani
Author Profile Icon Arun Ramakani
Arun Ramakani
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Toc

Table of Contents (16) Chapters Close

Preface 1. Part 1: The Kubernetes Disruption
2. Chapter 1: Introducing the New Operating Model FREE CHAPTER 3. Chapter 2: Examining the State of Infrastructure Automation 4. Part 2: Building a Modern Infrastructure Platform
5. Chapter 3: Automating Infrastructure with Crossplane 6. Chapter 4: Composing Infrastructure with Crossplane 7. Chapter 5: Exploring Infrastructure Platform Patterns 8. Chapter 6: More Crossplane Patterns 9. Chapter 7: Extending and Scaling Crossplane 10. Part 3:Configuration Management Tools and Recipes
11. Chapter 8: Knowing the Trade-offs 12. Chapter 9: Using Helm, Kustomize, and KubeVela 13. Chapter 10: Onboarding Applications with Crossplane 14. Chapter 11: Driving the Platform Adoption 15. Other Books You May Enjoy

XRM detailed

Being an extension of the KRM, XRM inherits most of the standards. As discussed in Chapters 3 and 4, Crossplane inherits many standards from the Kubernetes CRDs. The opinionated XRM standards over the basic Kubernetes standards define a uniform bridge between Kubernetes and the external resource. The XRM standards cover the following characteristics:

  • Configuration fidelity
  • Spec and status configuration
  • Naming the custom and external resources
  • Configuration ownership
  • Sensitive input and output fields

We can dive into the details of each of these characteristics in the following sections.

Configuration fidelity

The MR should have all possible fields available for configuration in the external resource API. It delivers every configuration combination at the control plane level. We should leave the abstractions to encode policy and the recipe creation for the platform developers via XR. Every field available for configuration in the external...

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