yavdr-ansible/roles/grub-config/templates/50_custom.j2

#!/bin/sh
{{ ansible_managed | comment }}

exec tail -n +3 $0

{% if system.shutdown is defined and system.shutdown == 'reboot' %}
menuentry "PowerOff" {
    halt
}
{% endif %}

if [ "${recordfail}" = 1 ]; then
    set timeout={{ 3 if grub.timeout < 3 else grub.timeout }}
else
    set timeout={{ grub.timeout if grub.timeout is defined else 0 }}
fi