Deploy Amazon EKS with Calico

eksctl-calico.sh

#!/usr/bin/env bash

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

export TAGS="Owner=petr.ruzicka@gmail.com Environment=dev"

set -euxo pipefail

cat > "/tmp/eksctl-${CLUSTER_NAME}.yaml" << EOF
apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
  name: ${CLUSTER_NAME}
  region: ${AWS_DEFAULT_REGION}
  version: "1.25"
  tags: &tags
$(echo "${TAGS}" | sed "s/ /\\n    /g; s/^/    /g; s/=/: /g")
iam:
  withOIDC: true
managedNodeGroups:
  - name: managed-ng-1
    amiFamily: AmazonLinux2
    # amiFamily: Bottlerocket
    instanceType: t3a.medium
    desiredCapacity: 2
    minSize: 2
    maxSize: 3
    volumeSize: 20
    volumeType: gp3
    maxPodsPerNode: 100
    tags:
      <<: *tags
      compliance:na:defender: eks-node
      # compliance:na:defender: bottlerocket
    volumeEncrypted: true
    disableIMDSv1: true
EOF

eksctl create cluster --config-file "/tmp/eksctl-${CLUSTER_NAME}.yaml" --kubeconfig "${KUBECONFIG}" --without-nodegroup

kubectl delete daemonset -n kube-system aws-node
kubectl create -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.0/manifests/tigera-operator.yaml
kubectl create -f - <<EOF
kind: Installation
apiVersion: operator.tigera.io/v1
metadata:
  name: default
spec:
  kubernetesProvider: EKS
  cni:
    type: Calico
  calicoNetwork:
    bgp: Disabled
EOF

eksctl create nodegroup --config-file "/tmp/eksctl-${CLUSTER_NAME}.yaml"

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