Move all of the role here

templates/named.conf.statistics-channels.j2

@@ -0,0 +1,10 @@
+{% macro statistics_channels(statistics_channels) %}
+statistics-channels {
+{% filter indent(2, true) %}
+{% for channel in statistics_channels if statistics_channels is iterable %}
+inet {{ channel.address | string }}
+{{- (' port ' + channel.port | string) if channel.port is defined and channel.port -}}
+{{- (' allow {\n' + functions.simple_item_list(channel.allow) + '};\n') if channel.allow is defined and channel.allow -}}
+{% endfor %}
+{% endfilter %}};
+{% endmacro %}