Novice Level

Launching an EKS Cluster

1.5 hours

5 Learning Objectives

Elastic Kubernetes Service (EKS) is a fully managed Kubernetes service from AWS. In this lab, you will work with the AWS command line interface and console, using command line utilities like `eksctl` and `kubectl` to launch an EKS cluster, provision a Kubernetes deployment and pod running instances of `nginx`, and create a `LoadBalancer` service to expose your application over the internet.

Course files can be found here:

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Create an IAM User with Admin Permissions

Create an IAM user with programmatic access and administrator-level privileges.
Take note of the access key and secret access key of your user because we will use them in the next step.

Launch an EC2 Instance and Configure the Command Line Tools

Create an EC2 instance in us-east-1region.
If necessary, upgrade the AWS CLI on your EC2 instance to CLI v.2x or later.
Configure the AWS CLI using the credentials of the user you just created.
Install eksctl on your EC2 instance.
Install kubectl on your EC2 instance.

Provision an EKS Cluster

Use eksctl to provision an EKS cluster with three worker nodes in us-east-1.
Use Kubernetes version 1.16 or later.

Create a Deployment on Your EKS Cluster

Course files can be found here: https://github.com/ACloudGuru-Resources/Course_EKS-Basics
Use kubectl to create a LoadBalancer service.
Check the status of your LoadBalancer service using kubectl.
Use kubectl to create a Deployment on your EKS cluster, using the standard nginx image EKS has available in the default Docker Hub registry.
Check the status of your cluster, deployment, and pods using kubectl.
When the Deployment is up and running, check that you can access your application using the DNS name of the LoadBalancer.

Test the High Availability Features of Your EKS Cluster

In the AWS Console, shut down all the worker nodes.
Check the status of your cluster, deployment, and pods using kubectl.
After a few minutes, you should see EKS launching new instances to keep your service running.
When the cluster is back to a steady state, check that your application is up and running.

Additional Resources

Your task is to launch an EKS cluster with three worker nodes in the us-east-1 region. Then, create a Deployment, and a Pod running container instances using the public nginx image. Then, expose your application to the internet by adding a LoadBalancer service.

Additional Info

Note that all AWS resources should be created in the us-east-1 region.
You will also need to make sure you are working in the us-east-1 region when configuring and using the AWS CLI.
Use the AWS CLI v2.x or later.
You can find information on the official public image repository on Docker Hub.
Here's info on installing the AWS CLI.
Here's how to get started with EKS.
Course files can be found here: https://github.com/ACloudGuru-Resources/Course_EKS-Basics

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