{% macro loop_hosts(group) -%}
{% for h in groups[group] -%}
{% set h = dict(hostvars[h]) %}
{{ caller(h) }}
{%- endfor %}
{%- endmacro %}

{% macro loop_valid_hosts(group) -%}
{% for h in groups[group] -%}
{% set h = dict(hostvars[h]) %}
{% if h.__ip.external is defined and h.__ip.internal is defined -%}
{{ caller(h) }}
{%- endif %}
{%- endfor %}
{%- endmacro %}