Amazon EKS (Elastic Kubernetes Service): A Kubernetes service by Amazon AWS

The detailed 8 Steps are

Step 1: The very first thing is to create an AWS account. If you don’t have an AWS Free Tier account please refer – Create AWS Free Tier Account

Step 2: Next step is to create a Master Node, follow the below steps to create one.

a) Log in to the AWS portal, find the Kubernetes Service by searching for EKS and click on Create Kubernetes Cluster and then specify the name for the Cluster.

b) Next is to create the role, click on “Create role” -> AWS Service -> EKS (from AWS Services) -> Select EKS Cluster -> Next Permissions.

c) Leave the selected policies as-it-is and click on Review Page.

d) Enter a name for the role (e.g. eksClusterRole) and hit the Create role button at the bottom of the page to create the IAM role. The IAM role is created.

e) Now Master node will be created in approximately 15-20 minutes.

Check Out: What is Aks Cluster. Click here

Step 3: Next step is to Install & configure AWS CLI on the EC2 instance. Follow the below links and steps for the same;

• To complete this step you need to create an Amazon Linux Instance first, click here
• To get the Latest EKS UserGuide visit Getting started AWS Console, click here.
• Know more about the CLI UserGuide from CLI Configure Quickstart, click here.

a) Click the account name and select Security Credentials. scroll down and Click on Create Access key.

AWS CLI Credentials Configuration

Also Read: Our previous blog post on Kubernetes rbac

Step 4: Next is to install & configure the kubectl, by checking your Cluster Name & Region Name where the EKS Master node is running from the console. Check the status of Cluster and Configure kubectl with EKS API Server and validate kubectl configuration to master node.
To know more go through the blog Install and Configure kubectl, click here.

Step 5: The final step is to create the Worker Node.

a) On the cluster page, select the Compute tab, and then choose Add Node Group.

b) On the Configure node group page, fill out the parameters accordingly, and then choose Next.

• Name – Enter a unique name for your managed node group.
• Node IAM role name– Choose the node instance role to use with your node group. For more information, see the Amazon EKS worker node IAM role, click here.

To Create an IAM role follow the below-given steps, and to open the IAM Console, click here

After following all the above steps, leave the other settings to default and proceed further.

Also Read: Our previous blog post on Kubernetes network policy. Click here
Step 6: Next is to configure the Compute & scaling of Worker Nodes.

a) In this step we are providing the compute configurations. Follow the images below and complete the process:

Also Check: Our previous blog post on Kubernetes for Testers. Click here

b) Keep rest as default. On the Review and create the page, review your managed node group configuration, and choose to Create. Worker Node Group is under creation so wait for 2-3 minutes for workers nodes to be up and running.

Also Read: What is Kubernetes Cluster? Click here

Step 7: The final step is to verify the Worker node status from Kubectl. For the same perform the given command:

    $ kubectl get nodes --watch

Step 8: Delete all EKS cluster configurations manually. In the first step delete the worker Node, once worker nodes are deleted then Delete the Master Nodes.

Create EKS Kubernetes Cluster Using AWS CLI

Before proceeding to the next steps make sure you have the following configured on your AWS Account

• AWS Linux EC2 instance
• CLI configured on a virtual machine (EC2)
• Kubectl & eksctl installed on a virtual machine (EC2)

Create EKS Master & Worker Nodes

Create your AWS EKS cluster with nodes (this will take 10-20 minutes)

eksctl create cluster \

--name k21-eks-cluster-cli \

--version 1.24 \

--region us-east-1 \

--nodegroup-name linux-nodes \

--node-type t2.micro \

--managed

Setup up the kubectl configuration

Check your Cluster Name & Region Name where EKS Master node is running from console

aws eks --region us-east-1 describe-cluster --name k21-eks-cluster-cli --query cluster.status

mv $HOME/.kube/config  $HOME/.kube/config.old

aws eks --region us-east-1 update-kubeconfig --name k21-eks-cluster-cli

kubectl get svc

kubectl get nodes

kubectl get all

 Delete EKS Cluster using EKSCTL

eksctl delete cluster \

--name k21-eks-cluster-cli \

--region us-east-1

Amazon EKS Pricing

Though the pricing of various services in AWS is dynamic, it is recommended to check the pricing before deploying clusters.

As a standard, we have to pay 0.10$ /hour for each Amazon EKS cluster and we can deploy multiple applications on each EKS cluster. We can run EKS using either EC2 or AWS Fargate, and on-premises using AWS outposts.

To know more about Amazon EKS (Elastic Kubernetes Service), click here

Amazon EKS Benefits

• No setup is required to configure Kubernetes on AWS.
• In this users need not create a control plan.
• Worker nodes are also managed by Amazon EKS
• EKS integrates with various AWS tools.

Note: Using ECR we have to manage the underlying OS, infrastructure, and container engine but using EKS we only have to provide containerized applications, and the rest is managed by EKS.

Reference/Related Post

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• Azure Kubernetes Service (AKS) & Azure Container Instances (ACI) For Beginners
• Container Engine For Kubernetes (OKE) Oracle For Beginners
• Certified Kubernetes Administrator (CKA): Step-by-Step Activity Guide (Hands-on Lab)
• Kubernetes Architecture & Components Overview For Beginners

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