techworldwithsiva / k8-install

EKS Install

NOTE: This is for the lab purpose, not for PROD purpose.

How to provision EKS Cluster?

Below software are mandatory to provision EKS Cluster.

• Eksctl
• AWS CLI V2
• Kubectl

We can create one EC2 Server and use it as work station to create EKS cluster.

Steps:

• Create IAM Admin user with CLI access, It generates Access Key and Secret Key. Don't keep this in any version control like Github, Gitlab, etc.
• Install AWS CLI, by default AWS instance gets V1, We need to upgrade to V2.

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
sudo ./aws/install --bin-dir /usr/local/bin --install-dir /usr/local/aws-cli --update

Logout and Login again.

• Install latest eksctl command.

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

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

eksctl version

• Install kubectl command maxium one version less than EKS version.

curl -O https://s3.us-west-2.amazonaws.com/amazon-eks/1.24.10/2023-01-30/bin/linux/amd64/kubectl
chmod +x kubectl
sudo mv kubectl /usr/local/bin/kubectl

eksctl is the popular tool to provision EKS cluster. We make use of spot instances to save the cost.

spot-cluster.yaml

apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig

metadata:
  name: spot-cluster
  region: ap-south-1

managedNodeGroups:

# `instanceTypes` defaults to [`m5.large`]
- name: spot-1
  spot: true
  ssh:
    publicKeyName: my-ec2-keypair

To create cluster with above config file.

eksctl create cluster --config-file=[file-name].yaml

NOTE: Don't forget to delete the cluster.

eksctl delete cluster --config-file=[file-name].yaml