ffho-salt-public/network/interfaces/interfaces.tmpl

#
# /etc/network/interfaces (Salt managed)
#

{%- set node_config = salt['pillar.get']('nodes:' ~ grains['id'], {}) %}
{%- set node_id = grains['id'] %}
{%- set sites_config = salt['pillar.get']('sites', {}) %}
{%- set ifaces = salt['ffho_net.get_interface_config'](node_config, sites_config) %}
{%- set iface_list = salt['ffho_net.get_interface_list'](ifaces) %}

#source /etc/network/interfaces.d/*

{#
 # Configure any secondary IPs / router_id on loopback, if present
 #}
# The loopback network interface
auto lo
iface lo
{%- if 'lo' in ifaces %}
  {%- for prefix in ifaces['lo']['prefixes'] %}
    {%- set mask = '128' if ':' in prefix else '32' %}
    {%- set prefix = prefix if '/' in prefix else prefix ~ '/' ~ mask %}
	address {{ prefix }}
  {%- endfor %}
{%- endif %}


{#
 # Set up ifaces dict with configured and generated interfaces.
 #}
{%- for interface in iface_list if interface not in ['lo'] %}
  {%- set config = ifaces.get (interface) %}

  {#- Let's go #}
  {%- set planned = "" %}
  {%- if config.get ('status', 'online') == 'planned' %}
    {%- set planned = " (Planned)" %}
  {%- endif %}
  {%- set desc = config.get ('desc', interface) %}
  {%- set alias = config.get ('alias', desc) + planned %}
# {{ desc + planned }}
  {%- if config.get ('auto', True) == True %}
auto {{ interface }}
  {%- endif %}
  {%- if 'method' in config %}
iface {{ interface }} inet {{ config.get ('method') }}
  {%- else %}
iface {{ interface }}
  {%- endif %}
  {#- Alias / Description set? #}
  {%- if 'alias' in config or 'desc' in config %}
	alias "{{ alias }}"
	#
  {%- endif %}
  {#- Configure stuff for bonding, bridging, etc.? #}
  {%- for feature in ['batman', 'bond', 'bridge', 'vlan', 'vxlan'] if feature in config %}
    {%- set feature_config = config.get (feature) %}
    {%- for opt in feature_config|sort %}
	{{ opt }}	{{ feature_config.get (opt) }}
    {%- endfor %}
	#
  {%- endfor %}
  {#- Wireguard tunnel? #}
  {%- if 'wireguard' in config %}
	use wireguard
	up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/addr_gen_mode
	#
  {%- endif %}

  {#- Configure IP addresses #}
  {%- for prefix in config.get ('prefixes', []) %}
	address {{ prefix }}
  {%- endfor %}

  {#- Anything else... #}
  {%- for keyword in config|sort %}
    {%- set argument = config.get (keyword) %}
    {%- if argument is none %}
    {%- elif keyword.startswith ("_") %}
    {%- elif keyword in [ 'auto', 'batman', 'bond', 'bridge', 'driver', 'mac', 'method', 'vlan', 'vxlan', 'desc', 'prefixes', 'status', 'tagged_vlans', 'urpf', 'has_gateway', 'wireguard' ] %}
    {%- elif argument is string or argument is number %}
	{{ keyword }} {{ argument }}
    {%- else %}
      {%- for item in argument %}
	{{ keyword }} {{ item }}
      {%- endfor %}
    {%- endif %}
  {%- endfor %}
{% endfor %}


{#-
 # OpenVPN VPNs (if any)
 #}
{%- include "network/interfaces/openvpn.tmpl" %}