ffho-salt-public/bird/ffrl.conf

#
# FFRL upstream (Salt managed)
#
{%- set ifaces = salt['pillar.get']('node:ifaces', {}) %}
{%- set sessions = salt['ffho_net.get_ffrl_bgp_config'](ifaces, proto) %}
{%- set te_community_map_ffrl = salt['pillar.get']('te:community_map:' ~ grains['id'] ~ ':ffrl', [])|sort %}


filter ffrl_in {
	if DRAIN_FULL = 1 then
		reject;
	if DRAIN_FFRL = 1 then
		reject;

	if net ~ [
{%- if proto == 'v4'%}
		0.0.0.0/0
{%- else %}
		::/0
{%- endif %}
	] then {
		# Rewrite BGP next hop to loopback IP so we don't have to
		# include transfer networks to AS201701 in IGP.
		bgp_next_hop = LO_IP;
		accept;
	}

	reject;
};


filter ffrl_out {
	if DRAIN_FULL = 1 then
		reject;
	if DRAIN_FFRL = 1 then
		reject;

{%- if proto == 'v4'%}
	if proto != "p_nat" then
		reject;

	if net ~ [
		185.66.194.84/31+,	# FRA-IPs
		185.66.195.94/31+	# BER-IPs
{%- else %}
	if net ~ [
		2a03:2260:2342::/48{48,56}
{%- endif %}
	] then {
		# Is there an export restriction for this route?
		if (EXPORT_RESTRICT ~ bgp_community) then {
  {%- for community in te_community_map_ffrl %}
			if ({{ community }} ~ bgp_community) then
				accept;

  {%- endfor %}
		}

		# No export restriction, go ahead
		else {
			accept;
		}
	}

	reject;
};

{%- if proto == 'v4' %}

protocol direct p_nat {
	interface "nat";
}
{%- endif %}

define AS_FFRL = 201701;

template bgp as201701 {
	import filter ffrl_in;
	export filter ffrl_out;
	import keep filtered;

	local as 65132;

	preference 200;
}


{% for session in sessions|sort %}
  {%- set session_config = sessions.get (session) %}
  {%- set bgp_local_pref = session_config.get ('bgp_local_pref') %}
protocol bgp {{ session }} from as201701 {
	source address {{ session_config.get ('local') }};
	neighbor {{ session_config.get ('neighbor') }} as AS_FFRL;
  {%- if bgp_local_pref %}
	default bgp_local_pref {{ bgp_local_pref }};
  {%- endif %}
}
{% endfor %}