{# roles #}/_linux_network_interface

{#- Collect interface roles and params into the following dict:
 # interface_role:             # filename that will be included
 #  interface_name:            # interface (eth0)
 #    interface_param1: value  # optional parameters or empty dict
 #    interface_param2: value
 #    ...
 #}
{%- set interface_roles = {} %}
{%- for interface_name, interface in node['interfaces'].items() %}
  {%- if interface['role'] not in interface_roles %}
    {%- set _ = interface_roles.update({interface['role']: {}}) %}
  {%- endif %}
  {%- set _ = interface_roles[interface['role']].update({interface_name: {}}) %}
  {%- for param_name, param in interface.items() %}
    {%- set _ = interface_roles[interface['role']][interface_name].update({param_name: param}) %}
  {%- endfor %}
{%- endfor %}
{%- set _ = params.update({'linux_network_interfaces': "\n"}) %}
{%- for interfaces_role, interfaces in interface_roles.items() %}
  {%- import ("{# interfaces #}/" + interfaces_role) as interface with context %}
  {%- set _ = params.update({'linux_network_interfaces': params['linux_network_interfaces'] + interface|string }) %}
{%- endfor %}
          - environment.{{ cookiecutter._env_name }}.linux_network_interface