for NODEGROUP in $(aws eks list-nodegroups --cluster-name "${CLUSTER_NAME}" --query 'nodegroups' --output text); do
    aws ec2 create-tags \
        --tags "Key=karpenter.sh/discovery,Value=${CLUSTER_NAME}" \
        --resources $(aws eks describe-nodegroup --cluster-name "${CLUSTER_NAME}" \
        --nodegroup-name "${NODEGROUP}" --query 'nodegroup.subnets' --output text )
done