apiVersion: eksctl.io/v1alpha5
kind: ClusterConfig
metadata:
  name: ${CLUSTER_NAME}
  region: ${REGION}

nodeGroups:
  - name: ubuntu-self-ng
    instanceType: t3.medium
    amiFamily: Ubuntu2004
    desiredCapacity: 1
    minSize: 1
    maxSize: 4
    ssh: # enable SSH using SSM. This won't work for custom AMI
      enableSsm: true 
    overrideBootstrapCommand: |
      #!/bin/bash
      MAX_POD_VALUE="17"                     
      NODE_LABELS="type=selfmanaged"         
      CLUSTER_NAME=${CLUSTER_NAME}           
      API_SERVER_URL=${API_SERVER_URL}       
      B64_CLUSTER_CA=${B64_CLUSTER_CA}       
      source /var/lib/cloud/scripts/eksctl/bootstrap.helper.sh
      # Note "--node-labels=${NODE_LABELS}" needs the above helper sourced to work, otherwise will have to be defined manually.
      /etc/eks/bootstrap.sh ${CLUSTER_NAME} \
        --container-runtime containerd \
        --kubelet-extra-args "--node-labels=${NODE_LABELS} --max-pods=${MAX_POD_VALUE}" \
        --apiserver-endpoint ${API_SERVER_URL} --b64-cluster-ca ${B64_CLUSTER_CA} \
        --dns-cluster-ip ${DNS_CLUSTER_IP} \
        --use-max-pods false

managedNodeGroups:
  - name: ubuntu-man-ng
    instanceType: t3.medium
    ami: ami-0feb1a4a4e739ea4e   # from https://cloud-images.ubuntu.com/aws-eks/
    desiredCapacity: 1
    minSize: 1
    maxSize: 2
    # ssh: # enable SSH using SSM. This won't work for custom AMI
    #   enableSsm: true 
    overrideBootstrapCommand: |
      #!/bin/bash
      MAX_POD_VALUE="17"                      
      NODE_LABELS="type=managed"         
      CLUSTER_NAME=${CLUSTER_NAME}           
      API_SERVER_URL=${API_SERVER_URL}       
      B64_CLUSTER_CA=${B64_CLUSTER_CA}       
      source /var/lib/cloud/scripts/eksctl/bootstrap.helper.sh
      # Note "--node-labels=${NODE_LABELS}" needs the above helper sourced to work, otherwise will have to be defined manually.
      /etc/eks/bootstrap.sh ${CLUSTER_NAME} \
        --container-runtime containerd \
        --kubelet-extra-args "--node-labels=${NODE_LABELS} --max-pods=${MAX_POD_VALUE}" \
        --apiserver-endpoint ${API_SERVER_URL} --b64-cluster-ca ${B64_CLUSTER_CA} \
        --dns-cluster-ip ${DNS_CLUSTER_IP} \
        --use-max-pods false