postfix-formula/postfix/files/mapping.j2

# Managed by config management

{%- macro format_value(key, value) %}
  {#- Some settings, like virtual_alias_maps can take multiple values. Handle this case. -#}
  {%- if value is iterable and value is not string -%}
    {%- for item in value %}
{{ key }}	{{ item }}
    {%- endfor %}
  {%- else -%}
{{ key }}	{{ value }}
  {%- endif -%}
{%- endmacro %}

{%- if data is mapping %}
{% for key, value in data.iteritems() %}
{{ format_value(key, value) }}
{%- endfor -%}
{%- else %}
{#- Some settings need order, handle OrderedDict #}
{% for item in data %}
{{ format_value(item.keys()[0], item.values()[0]) }}
{%- endfor -%}
{%- endif %}