How To Configure AWS EKS Cluster And Worker Nodes.

What Is AWS EKS ?

Elastic Kubernetes Service - is a cloud-based container management service that natively integrates with Kubernetes to deploy applications.

Below Task Will Cover....

Task 1) Create IAM USER 

- attach admin policy or respacted polices.
- keep programatic access keys

Task 2) Login Via IAM User & Create EKS Cluster

- create 'cluster-service-iam-role'
- attach 'EKS:EKS-Cluster' service.
- create EKS service by iam user

Task 3) Install Kubectl Utility In Client Linux Machine

- install aws cli tool
- configure aws cli by iam user keys.
- access you EKS cluster

Task 4) Configure WorkerNode For EKS Cluster

- create iam role for nodes
- configure worker node group for eks cluster 

Task 5) Use Kubernets master service in Client Machine

What Is AWS EKS ?

Elastic Kubernetes Service - is a cloud-based container management service that natively integrates with Kubernetes to deploy applications.

Task 1) Create IAM USER

- Attach admin policy or respected polices to IAM USER.
- Tick on programmatic access & AWS Management Console access 

Task 2) Login Via IAM User &  Create EKS Cluster

- create 'iam-cluster-service-role'

- Attach 'EKS:EKS-Cluster' service.

- create EKS service by iam user

Task 3) Install Kubectl Utility In Client Machine

https://docs.aws.amazon.com/eks/latest/userguide/install-kubectl.html

- Download the Amazon EKS vended kubectl binary for your cluster's Kubernetes version 1.21

$ curl -o kubectl https://amazon-eks.s3.us-west-2.amazonaws.com/1.21.2/2021-07-05/bin/linux/amd64/kubectl

- Apply execute permissions to the binary.

$ chmod +x ./kubectl

- Copy the binary to a folder in your PATH.

$ mkdir -p $HOME/bin && cp ./kubectl $HOME/bin/kubectl && export PATH=$PATH:$HOME/bin

- Verify Kubectl version

$ kubectl version --short --client

- install aws cli tool in ubuntu 

$ sudo apt-get install awscli

- configure aws cli by below command.

$ aws configure

-t3.7 Enter your IAM user access & secreat key with region.

- Access you EKS cluster by follwing Commands.
(Replace region & clustername)

$ aws eks --region ap-south-1 describe-cluster --name "eks-cluster" --query cluster.status
$ aws eks --region ap-south-1 update-kubeconfig --name "eks-cluster"

$ kubectl get svc
$ kubectl get all

Task 4) Configure WorkerNode For EKS Cluster

- Create IAM role For nodes

- attach following polices to role and create user 

• AmazonEC2ContainerRegistryReadOnly
• AmazonEKSWorkerNodePolicy
• AmazonEKS_CNI_Policy

- EKS >> Cluster >> Cluster-Name >> Compute >> Click On ADD Node Groups

- Create node Group

- Set compute and scaling configuration

- Specify networking

- Node Group creation in progress

Task 5) Use Kubernets master service in Client Machine

- Run Following Commands

$ kubectl get nodes --watch
$ kubectl get svc
$ kubectl get nodes

- Write a manifest and apply it.

$ kubectl get pods
$ kubectl get all