Create Amazon EKS cluster using eksctl

eksctl.sh

#!/bin/bash -eux

export CLUSTER_NAME="${CLUSTER_NAME:-ruzickap}"
export AWS_DEFAULT_REGION="${AWS_DEFAULT_REGION:-eu-central-1}"
export KUBECONFIG="/tmp/kubeconfig-${CLUSTER_NAME}.conf"

export TAGS="Owner=petr.ruzicka@gmail.com Environment=dev Group=Cloud_Native Squad=Cloud_Container_Platform"

set -euxo pipefail

cat > "/tmp/eksctl-${CLUSTER_NAME}.yaml" << EOF
apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
  name: ${CLUSTER_NAME}
  region: ${AWS_DEFAULT_REGION}
  tags: &tags
$(echo "${TAGS}" | sed "s/ /\\n    /g; s/^/    /g; s/=/: /g")
iam:
  withOIDC: true
managedNodeGroups:
  - name: managed-ng-1
    amiFamily: AmazonLinux2
    # Uncomment to use - Arm-based AWS Graviton2 processors
    # instanceType: t4g.medium
    instanceType: t3a.medium
    desiredCapacity: 2
    minSize: 0
    maxSize: 3
    volumeSize: 30
    tags:
      <<: *tags
      compliance:na:defender: eks-node
    volumeEncrypted: true
EOF

eksctl create cluster --config-file "/tmp/eksctl-${CLUSTER_NAME}.yaml" --kubeconfig "${KUBECONFIG}"

echo -e "*****\n  export KUBECONFIG=${KUBECONFIG} \n*****"