Setup Kubernetes on Amazon EKS

Pre-requisites:

• an EC2 Instance

AWS EKS Setup

1. Setup kubectl
    a. Download kubectl version 1.20
   b. Grant execution permissions to kubectl executable
   c. Move kubectl onto /usr/local/bin
    d. Test that your kubectl installation was successful

a. Download kubectl version 1.20

curl -o kubectl https://amazon-eks.s3.us-west-2.amazonaws.com/1.19.6/2021-01-05/bin/linux/amd64/kubectl

b. Grant execution permissions to kubectl executable

chmod +x ./kubectl

c. Move kubectl onto /usr/local/bin

mv ./kubectl /usr/local/bin 

d. Test that your kubectl installation was successful

kubectl version --short --client

2. Setup eksctl
    a. Download and extract the latest release
   b. Move the extracted binary to /usr/local/bin
    c. Test that your eksclt installation was successful

 a. Download and extract the latest release

 curl --silent --location "https://github.com/weaveworks/eksctl/releases/latest/download/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp

 b. Move the extracted binary to /usr/local/bin

sudo mv /tmp/eksctl /usr/local/bin

c. Test that your eksclt installation was successfull

eksctl version

3. Create an IAM Role and attach it to EC2 instance

 Note: create IAM user with programmatic access if your bootstrap system is outside of AWS
i. IAM user should have access to
ii. IAM
iii. EC2
iv. VPC
V. CloudFormation

4. Create your cluster and nodes

eksctl create cluster --name cluster-name  \

--region region-name \

--node-type instance-type \

--nodes-min 2 \

--nodes-max 2 \ 

--zones <AZ-1>,<AZ-2>

example:

eksctl create cluster --name Razorops \

--region ap-south-1 \

--node-type t2.small \

--nodes-min 2 \

--nodes-max 2 \

--zones ap-south-1a, ap-south-1b

5. To delete the EKS clsuter

eksctl delete cluster razorops --region ap-south-1

6. Validate your cluster using by creating by checking nodes and by creating a pod

 kubectl get nodes

kubectl run pod tomcat --image=tomcat

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