paulbsd-salt/states/apt/init.sls

---
{%- from "apt/map.jinja" import apt with context %}
{% for itemkey, itemvalue in apt.config.items() -%}
apt-proxy-{{ itemkey }}:
  file.managed:
    - name: /etc/apt/apt.conf.d/{{ k }}
    - user: root
    - group: root
    - mode: "0644"
    - contents: {{ itemvalue.content }}
{% endfor -%}