Book Image

Mastering Elastic Kubernetes Service on AWS

By : Malcolm Orr, Yang-Xin Cao (Eason)
5 (1)
Book Image

Mastering Elastic Kubernetes Service on AWS

5 (1)
By: Malcolm Orr, Yang-Xin Cao (Eason)

Overview of this book

Kubernetes has emerged as the de facto standard for container orchestration, with recent developments making it easy to deploy and handle a Kubernetes cluster. However, a few challenges such as networking, load balancing, monitoring, and security remain. To address these issues, Amazon EKS offers a managed Kubernetes service to improve the performance, scalability, reliability, and availability of AWS infrastructure and integrate with AWS networking and security services with ease. You’ll begin by exploring the fundamentals of Docker, Kubernetes, Amazon EKS, and its architecture along with different ways to set up EKS. Next, you’ll find out how to manage Amazon EKS, encompassing security, cluster authentication, networking, and cluster version upgrades. As you advance, you’ll discover best practices and learn to deploy applications on Amazon EKS through different use cases, including pushing images to ECR and setting up storage and load balancing. With the help of several actionable practices and scenarios, you’ll gain the know-how to resolve scaling and monitoring issues. Finally, you will overcome the challenges in EKS by developing the right skill set to troubleshoot common issues with the right logic. By the end of this Kubernetes book, you’ll be able to effectively manage your own Kubernetes clusters and other components on AWS.
Table of Contents (28 chapters)
1
Part 1: Getting Started with Amazon EKS
7
Part 2: Deep Dive into EKS
13
Part 3: Deploying an Application on EKS
20
Part 4: Advanced EKS Service Mesh and Scaling
24
Part 5: Overcoming Common EKS Challenges

Summary

In this chapter, we explored the basic requirements for any EC2-based worker node, including the need to configure an IAM role, the Kubernetes agents (kubelet, and so on), and security groups to allow communication with the EKS control plane endpoint.

We then learned how you can use Amazon Linux and Bottlerocket (a secure container operating system developed by AWS) AMIs to create self-managed node groups using the AWS Console/CLI, CloudFormation, and eksctl. It’s important to understand there are several options when it comes to choosing operating systems, from Amazon EKS-optimized Linux and Bottlerocket through to the completely customized operating systems you define. Amazon Linux is the easiest operating system choice as images are created and managed by AWS, and it will also allow access to the standard Linux kernel if you want to make changes. Bottlerocket is more secure but is quite a different architecture from standard Linux kernels, so requires a lot more...