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Mastering Elastic Kubernetes Service on AWS

Mastering Elastic Kubernetes Service on AWS

By : Malcolm Orr, Yang-Xin Cao, Yang-Xin Cao (Eason)
4.9 (23)
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Mastering Elastic Kubernetes Service on AWS

Mastering Elastic Kubernetes Service on AWS

4.9 (23)
By: Malcolm Orr, Yang-Xin Cao, 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)
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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

Enumerating the automation options

The following diagram (Figure 3.1) illustrates the evolution of infrastructure automation in AWS. Most users start off with manual configuration using playbooks or wikis and the AWS console. The challenge with this is it’s difficult to repeat, and if you need to change or add something, you need to do it manually.

The next step is to then use shell scripts to automate the deployment of AWS resources using, for example, the AWS CLI. This is not perfect because if you run the same command twice you can get different results. Thus, the AWS CLI is not (necessarily) idempotent. So, in 2011, AWS released CloudFormation, an IaC framework that can safely create infrastructure resources.

Figure 3.1 – Automation options

Figure 3.1 – Automation options

IaC has become best practice for deploying AWS resources, and in 2014 HashiCorp released Terraform, which has become very popular and again allows you to automate and deploy AWS resources safely...

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