{% if ntpd_listen is defined %}
# listen to network
{%   for listen in ntpd_listen %}
listen on {{ listen }}
{%   endfor %}

{% endif %}
{% if ntpd_constraints is defined %}
# constraints
constraint from {% for constraint in ntpd_constraints -%}
{{ '"' + constraint + '"' -}}
{{ ', ' if not loop.last -}}
{%   endfor %}


{% endif %}
# remote servers
{% for server in ntpd_servers %}
server {{ server }}
{% endfor %}