ansible/roles/bird/templates/bird.conf.j2

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{{ ansible_managed | comment }}
log syslog all;
router id {{ bird__router_id }};
protocol device {
scan time 10;
}
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protocol direct {
ipv4;
ipv6;
}
protocol kernel kernel4 {
ipv4 {
import all;
export where source !~ [ RTS_DEVICE, RTS_STATIC ];
};
}
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protocol kernel kernel6 {
ipv6 {
import all;
export where source !~ [ RTS_DEVICE, RTS_STATIC ];
};
}
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{% if bird__static_unreachable | ansible.utils.ipv4 %}
protocol static unreachable4 {
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ipv4 {
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import all;
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};
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{% for route in bird__static_unreachable | ansible.utils.ipv4 %}
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route {{ route }} unreachable;
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{% endfor %}
}
{% endif %}
{% if bird__static_unreachable | ansible.utils.ipv6 %}
protocol static unreachable6 {
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ipv6 {
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import all;
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};
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{% for route in bird__static_unreachable | ansible.utils.ipv6 %}
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route {{ route }} unreachable;
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{% endfor %}
}
{% endif %}
{% if bird__ospf_broadcast_interfaces %}
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protocol ospf v2 ospf4 {
ipv4 {
import all;
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export where source ~ [ RTS_STATIC, RTS_DEVICE ];
};
area 0 {
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{% for network in bird__ospf_stub_networks | ansible.utils.ipv4 %}
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stubnet {{ network }};
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{% endfor %}
{% for name, iface in bird__ospf_broadcast_interfaces.items() %}
interface {{ name | enquote }} {
type broadcast;
hello {{ iface.hello | default(bird__ospf_hello) | int }};
retransmit {{ iface.retransmit
| default(bird__ospf_retransmit)
| int }};
wait {{ iface.wait | default(bird__ospf_wait) | int }};
dead {{ iface.dead | default(bird__ospf_dead) | int }};
};
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{% endfor %}
{% for name in bird__ospf_stub_interfaces %}
interface {{ name | enquote }} {
stub;
};
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{% endfor %}
};
}
{% endif %}
{% if bird__ospf_broadcast_interfaces %}
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protocol ospf v3 ospf6 {
ipv6 {
import all;
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export where source ~ [ RTS_STATIC, RTS_DEVICE ];
};
area 0 {
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{% for network in bird__ospf_stub_networks | ansible.utils.ipv6 %}
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stubnet {{ network }};
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{% endfor %}
{% for name, iface in bird__ospf_broadcast_interfaces.items() %}
interface {{ name | enquote }} {
type broadcast;
hello {{ iface.hello | default(bird__ospf_hello) | int }};
retransmit {{ iface.retransmit
| default(bird__ospf_retransmit)
| int }};
wait {{ iface.wait | default(bird__ospf_wait) | int }};
dead {{ iface.dead | default(bird__ospf_dead) | int }};
};
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{% endfor %}
{% for name in bird__ospf_stub_interfaces %}
interface {{ name | enquote }} {
stub;
};
{% endfor %}
};
}
{% endif %}
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{% macro bird_filter(filter, last) %}
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{% if filter.as_prepend is defined %}
{% for _ in range(filter.as_prepend.size) %}
bgp_path.prepend({{ filter.as_prepend.asn }});
{% endfor %}
{% endif %}
{% if filter.local_pref is defined %}
bgp_local_pref = {{ filter.local_pref }};
{% endif %}
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{% if filter.accept is defined %}
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{{ filter.accept | ternary("accept", "reject") }};
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{% endif %}
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{% endmacro %}
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{# FIXME: massive cleanup required #}
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{% for session in bird__bgp_sessions %}
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{% for version in [4, 6] %}
{% for direction in ["import", "export"] %}
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filter bgp{{ version }}_{{ direction }}_{{ session.name }} {
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{% for filter in session[direction] %}
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{% set negate = filter.negate | default(False) %}
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{% set networks =
filter.prefix
| default([])
| ansible.utils.ipaddr(version=version)
| map("suffix", filter.sub
| default(False)
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| ternary("+", ""))
| list %}
{% set bgp_protos =
filter.bgp_proto
| default([])
| map("format_rev", 'proto {1} "bgp{2}_{0}"',
negate | ternary("!=", "="), version)
| list %}
{% if networks or bgp_protos %}
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{% if networks %}
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{% set op = negate | ternary("!~", "~") %}
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if net {{ op }} [ {{ networks | join(", ") }} ] then {
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{% elif bgp_protos %}
{% set op = negate | ternary("&&", "||") %}
if {{ bgp_protos | join(" " + op + " ") }} then {
{% endif %}
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{{ bird_filter(filter) | indent(8) }}
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}
{% else %}
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{{ bird_filter(filter) | indent(4) }}
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{% endif %}
{% endfor %}
}
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{% endfor %}
{% endfor %}
{% endfor %}
{% for session in bird__bgp_sessions %}
{% for local_address in session.local.address %}
{% set version =
local_address
| ansible.utils.ipaddr(query="version") %}
{% set remote_address =
session.remote.address
| ansible.utils.ipaddr(version=version)
| first %}
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protocol bgp bgp{{ version }}_{{ session.name }} {
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local {{ local_address }} as {{ session.local.as }};
neighbor {{ remote_address }} as {{ session.remote.as }};
{{ "ipv4" if version == 4 else "ipv6" }} {
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{% if session.next_hop_self | default(False) %}
next hop self;
{% endif %}
{% if session.direct | default(False) %}
direct;
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{% endif %}
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import filter bgp{{ version }}_import_{{ session.name }};
export filter bgp{{ version }}_export_{{ session.name }};
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};
}
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{% endfor %}
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{% endfor %}
{% if bird__radv_interfaces %}
protocol radv {
{% for name, iface in bird__radv_interfaces.items() %}
interface {{ name | enquote }} {
max ra interval {{ bird__radv_max_interval | int }};
{% for prefix in iface.prefix | default([]) %}
prefix {{ prefix | ipaddr }};
{% endfor %}
{% for domain in iface.domain_search | default([]) %}
dnssl {{ domain | enquote }};
{% endfor %}
};
{% endfor %}
{% for address in bird__radv_dns_servers %}
rdnss {{ address | ipaddr }};
{% endfor %}
}
{% endif %}