Book Image

Kubernetes Design Patterns and Extensions

By : Onur Yılmaz
Book Image

Kubernetes Design Patterns and Extensions

By: Onur Yılmaz

Overview of this book

Before plunging into how Kubernetes works, this book introduces you to the world of container orchestration and describes the recent changes in application development. You'll understand problems that Kubernetes solves and get to grips with using Kubernetes resources to deploy applications. In addition to this, you'll learn to apply the security model of Kubernetes clusters. Kubernetes Design Patterns and Extensions describes how services running in Kubernetes can leverage the platform's security features. Once you've grasped all this, you'll explore how to troubleshoot Kubernetes clusters and debug Kubernetes applications. You also discover how to analyze the networking model and its alternatives in Kubernetes, and apply best practices with design patterns. By the end of this book, you'll have studied all about using the power of Kubernetes for managing your containers.
Table of Contents (6 chapters)

Accessing the Kubernetes API

Kubernetes consists of several loosely-coupled components, with the principal idea of managing versioned resources. Kubernetes components can be divided into two sections: the control plane and node components. The control plane consists of the API Server, Controller Managers, and Schedulers. The API Server is the core management component and has the following functionalities:

  • Serves a REST API for the clients outside the cluster and Kubernetes components inside the cluster
  • Creates, deletes, and updates all of the Kubernetes resources, such as pods, deployments, and services
  • Stores the state of the objects in a distributed key/value store

Kubernetes API Style

The Kubernetes API is a RESTful...