Book Image

Mastering Kubernetes - Third Edition

By : Gigi Sayfan
Book Image

Mastering Kubernetes - Third Edition

By: Gigi Sayfan

Overview of this book

The third edition of Mastering Kubernetes is updated with the latest tools and code enabling you to learn Kubernetes 1.18’s latest features. This book primarily concentrates on diving deeply into complex concepts and Kubernetes best practices to help you master the skills of designing and deploying large clusters on various cloud platforms. The book trains you to run complex stateful microservices on Kubernetes including advanced features such as horizontal pod autoscaling, rolling updates, resource quotas, and persistent storage backend. With the two new chapters, you will gain expertise in serverless computing and utilizing service meshes. As you proceed through the chapters, you will explore different options for network configuration and learn to set up, operate, and troubleshoot Kubernetes networking plugins through real-world use cases. Furthermore, you will understand the mechanisms of custom resource development and its utilization in automation and maintenance workflows. By the end of this Kubernetes book, you will graduate from an intermediate to advanced Kubernetes professional.
Table of Contents (19 chapters)
17
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18
Index

Using kustomization for hierarchical cluster structures

This is not a typo. Kubectl recently incorporated the functionality of kustomize (https://kustomize.io/). It is a way to configure Kubernetes without templates. There was a lot of drama about the way the kustomize functionality was integrated into kubectl itself, since there are other options and it was an open question if kubectl should be that opinionated. But that's all in the past. The bottom line is that kubectl apply -k unlocks a treasure trove of configuration options. Let's understand what problem it helps us to solve and take advantage of it to help us manage Hue.

Understanding the basics of kustomize

Kustomize was created as a response to template-heavy approaches like Helm to configure and customize Kubernetes clusters. It is designed around the principle of declarative application management. It takes a valid Kubernetes YAML manifest (base) and specializes it or extends it by overlaying additional...