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eks_cluster_setup.md

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How to create EKS cluster using eksctl utility

Pre-requisites:

  • IAM user with access keys and secret access keys
  • AWSCLI should be configured (Setup AWSCLI)
curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
sudo apt install unzip
unzip awscliv2.zip
sudo ./aws/install
aws configure
curl -o kubectl https://amazon-eks.s3.us-west-2.amazonaws.com/1.19.6/2021-01-05/bin/linux/amd64/kubectl
chmod +x ./kubectl
sudo mv ./kubectl /usr/local/bin
kubectl version --short --client
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

Steps to create EKS cluster:

  • Create EKS Cluster
eksctl create cluster --name=my-cluster \
                      --region=us-west-2 \
                      --version=1.30 \
                      --without-nodegroup
  • Associate IAM OIDC Provider
eksctl utils associate-iam-oidc-provider \
    --region us-west-2 \
    --cluster my-cluster \
    --approve

  • Create Nodegroup
eksctl create nodegroup --cluster=my-cluster \
                       --region=us-west-2 \
                       --name=my-cluster \
                       --node-type=t2.medium \
                       --nodes=2 \
                       --nodes-min=2 \
                       --nodes-max=2 \
                       --node-volume-size=29 \
                       --ssh-access \
                       --ssh-public-key=eks-nodegroup-key

Note: Make sure the ssh-public-key "eks-nodegroup-key is available in your aws account"

  • Update Kubectl Context
aws eks update-kubeconfig --region us-west-2 --name my-cluster

  • Delete EKS Cluster
eksctl delete cluster --name=my-cluster --region=us-west-2