terraform-aws-eks/examples/user_data/templates/linux_custom.tpl

#!/bin/bash
set -ex

${pre_bootstrap_user_data ~}

# Custom user data template provided for rendering
B64_CLUSTER_CA=${cluster_auth_base64}
API_SERVER_URL=${cluster_endpoint}
/etc/eks/bootstrap.sh ${cluster_name} ${bootstrap_extra_args} --b64-cluster-ca $B64_CLUSTER_CA --apiserver-endpoint $API_SERVER_URL
${post_bootstrap_user_data ~}