ansible.xymon/templates/etc/xymon/libs.local.yaml.j2

# {{ ansible_managed }}
## From ipr-cnrs.xymon role
{% set inputmerged = xymon_plug_libs_default_whitelist.copy() %}
{% set _ = inputmerged.update(xymon_plug_libs_whitelist) %}
{% set _ = inputmerged.update(xymon_plug_libs_group_whitelist) %}
{% set _ = inputmerged.update(xymon_plug_libs_host_whitelist) %}
---
whitelist:
{% for group, rules in inputmerged|dictsort  %}
  {{ group }}:
{% if not rules %}
# (none)
{% endif %}
{% for rule in rules %}
    - '{{ rule }}'
{% endfor %}
{% endfor %}