freifunk/ansible-ffibk
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Introduce p2p vpn link between all ffmwu servers via WireGuard for routing purpose.

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* add jinja2 extension 'jinja2.ext.do' to ansible.cfg
 * add host kichererbse.freifunk-mwu.de
 * add new server_type 'mesh-service' and new host group 'ffmwu-mesh-services'
 * use new loopback and anycast networks
 * add role wireguard
 * add role wireguard as dependency for roles network-routing + service-bird
 * add playbook 'mesh-services'
This commit is contained in:
Tobias Hachmer 2019-03-19 15:23:12 +01:00
parent 3e297ed09f
commit e4e8c0998f
No known key found for this signature in database
GPG key ID: E112788464CA5C60
27 changed files with 508 additions and 44 deletions
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1
ansible.cfg
View file

@ -7,6 +7,7 @@ ansible_managed = Ansible managed - don't edit this file!
roles_path = ./roles
stdout_callback = yaml
bin_ansible_callbacks = True
jinja2_extensions = jinja2.ext.do
[privilege_escalation]
become = True

5
inventory/ffmwu-mesh-services Normal file
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@ -0,0 +1,5 @@
[ffmwu-mesh-services:children]
dns-master-internal
[dns-master-internal]
kichererbse.freifunk-mwu.de

233
inventory/group_vars/all
View file

@ -14,10 +14,10 @@ internet_exit_tcp_mss_ipv6: 1220
icvpn_ipv4_transfer_net: 10.207.0.0/16
icvpn_ipv6_transfer_net: fec0::a:cf:0:0/96
loopback_net_ipv4: 10.37.255.0/24
loopback_net_ipv6: fd37:b4dc:4b1e:ffff::/64
anycast_ipv4: 10.37.255.255/32
anycast_ipv6: fd37:b4dc:4b1e:ffff:ffff:ffff:ffff:ffff/128
loopback_net_ipv4: 10.87.255.0/24
loopback_net_ipv6: fd86:b4dc:4b1e:00ff::/64
anycast_ipv4: 10.87.255.255/32
anycast_ipv6: fd86:b4dc:4b1e:00ff:ffff:ffff:ffff:ffff/128
internal_prefixes:
- ipv4: 10.37.0.0/16
@ -31,19 +31,238 @@ public_prefixes:
- ipv6: 2a03:2260:11a::/48
- ipv6: 2a03:2260:11b::/48
bgp_loopback_net: 10.37.0.0/18
bgp_ipv4_transfer_net: 10.37.0.0/18
bgp_ipv6_transfer_net: fd37:b4dc:4b1e::/64
bgp_ipv4_transfer_net_legacy: 10.37.0.0/18
bgp_ipv6_transfer_net_legacy: fd37:b4dc:4b1e::/64
bgp_groups:
- ffmwu-gateways
- ffmwu-mesh-services
- ffmwu-monitoring
wireguard_networks:
- ipv4: 10.87.253.0/31
ipv6: fd86:b4dc:4b1e:fd::/127
peers:
- lotuswurzel
- spinat
port: 50000
- ipv4: 10.87.253.2/31
ipv6: fd86:b4dc:4b1e:fd::2/127
peers:
- lotuswurzel
- wasserfloh
port: 50001
- ipv4: 10.87.253.4/31
ipv6: fd86:b4dc:4b1e:fd::4/127
peers:
- lotuswurzel
- uffschnitt
port: 50002
- ipv4: 10.87.253.6/31
ipv6: fd86:b4dc:4b1e:fd::6/127
peers:
- lotuswurzel
- ingwer
port: 50003
- ipv4: 10.87.253.8/31
ipv6: fd86:b4dc:4b1e:fd::8/127
peers:
- spinat
- wasserfloh
port: 50004
- ipv4: 10.87.253.10/31
ipv6: fd86:b4dc:4b1e:fd::a/127
peers:
- spinat
- uffschnitt
port: 50005
- ipv4: 10.87.253.12/31
ipv6: fd86:b4dc:4b1e:fd::c/127
peers:
- spinat
- ingwer
port: 50006
- ipv4: 10.87.253.14/31
ipv6: fd86:b4dc:4b1e:fd::e/127
peers:
- ingwer
- wasserfloh
port: 50007
- ipv4: 10.87.253.16/31
ipv6: fd86:b4dc:4b1e:fd::10/127
peers:
- wasserfloh
- uffschnitt
port: 50008
- ipv4: 10.87.253.18/31
ipv6: fd86:b4dc:4b1e:fd::12/127
peers:
- ingwer
- uffschnitt
port: 50009
- ipv4: 10.87.253.20/31
ipv6: fd86:b4dc:4b1e:fd::14/127
peers:
- lotuswurzel
- kichererbse
port: 50010
# - ipv4: 10.87.253.22/31
# ipv6: fd86:b4dc:4b1e:fd::16/127
# peers:
# - lotuswurzel
# - zuckerwatte
# port: 50011
# - ipv4: 10.87.253.24/31
# ipv6: fd86:b4dc:4b1e:fd::18/127
# peers:
# - lotuswurzel
# - glueckskeks
# port: 50012
# - ipv4: 10.87.253.26/31
# ipv6: fd86:b4dc:4b1e:fd::1a/127
# peers:
# - lotuswurzel
# - aubergine
# port: 50013
- ipv4: 10.87.253.28/31
ipv6: fd86:b4dc:4b1e:fd::1c/127
peers:
- spinat
- kichererbse
port: 50014
# - ipv4: 10.87.253.30/31
# ipv6: fd86:b4dc:4b1e:fd::1e/127
# peers:
# - spinat
# - zuckerwatte
# port: 50015
# - ipv4: 10.87.253.32/31
# ipv6: fd86:b4dc:4b1e:fd::20/127
# peers:
# - spinat
# - glueckskeks
# port: 50016
# - ipv4: 10.87.253.34/31
# ipv6: fd86:b4dc:4b1e:fd::22/127
# peers:
# - spinat
# - aubergine
# port: 50017
- ipv4: 10.87.253.36/31
ipv6: fd86:b4dc:4b1e:fd::24/127
peers:
- wasserfloh
- kichererbse
port: 50018
# - ipv4: 10.87.253.38/31
# ipv6: fd86:b4dc:4b1e:fd::26/127
# peers:
# - wasserfloh
# - zuckerwatte
# port: 50019
# - ipv4: 10.87.253.40/31
# ipv6: fd86:b4dc:4b1e:fd::28/127
# peers:
# - wasserfloh
# - glueckskeks
# port: 50020
# - ipv4: 10.87.253.42/31
# ipv6: fd86:b4dc:4b1e:fd::2a/127
# peers:
# - wasserfloh
# - aubergine
# port: 50021
- ipv4: 10.87.253.44/31
ipv6: fd86:b4dc:4b1e:fd::2c/127
peers:
- uffschnitt
- kichererbse
port: 50022
# - ipv4: 10.87.253.46/31
# ipv6: fd86:b4dc:4b1e:fd::2e/127
# peers:
# - uffschnitt
# - zuckerwatte
# port: 50023
# - ipv4: 10.87.253.48/31
# ipv6: fd86:b4dc:4b1e:fd::30/127
# peers:
# - uffschnitt
# - glueckskeks
# port: 50024
# - ipv4: 10.87.253.50/31
# ipv6: fd86:b4dc:4b1e:fd::32/127
# peers:
# - uffschnitt
# - aubergine
# port: 50025
- ipv4: 10.87.253.52/31
ipv6: fd86:b4dc:4b1e:fd::34/127
peers:
- ingwer
- kichererbse
port: 50026
# - ipv4: 10.87.253.54/31
# ipv6: fd86:b4dc:4b1e:fd::36/127
# peers:
# - ingwer
# - zuckerwatte
# port: 50027
# - ipv4: 10.87.253.56/31
# ipv6: fd86:b4dc:4b1e:fd::38/127
# peers:
# - ingwer
# - glueckskeks
# port: 50028
# - ipv4: 10.87.253.58/31
# ipv6: fd86:b4dc:4b1e:fd::3a/127
# peers:
# - ingwer
# - aubergine
# port: 50029
- ipv4: 10.87.253.60/31
ipv6: fd86:b4dc:4b1e:fd::34/127
peers:
- lotuswurzel
- suesskartoffel
port: 50030
- ipv4: 10.87.253.62/31
ipv6: fd86:b4dc:4b1e:fd::36/127
peers:
- spinat
- suesskartoffel
port: 50031
- ipv4: 10.87.253.64/31
ipv6: fd86:b4dc:4b1e:fd::38/127
peers:
- ingwer
- suesskartoffel
port: 50032
- ipv4: 10.87.253.66/31
ipv6: fd86:b4dc:4b1e:fd::3a/127
peers:
- wasserfloh
- suesskartoffel
port: 50033
- ipv4: 10.87.253.68/31
ipv6: fd86:b4dc:4b1e:fd::3c/127
peers:
- uffschnitt
- suesskartoffel
port: 50034
- ipv4: 10.87.253.70/31
ipv6: fd86:b4dc:4b1e:fd::3e/127
peers:
- kichererbse
- suesskartoffel
port: 50036
fastd_groups:
- ffmwu-gateways
- ffmwu-monitoring
prometheus_groups:
- ffmwu-gateways
- ffmwu-mesh-services
- ffmwu-monitoring
node_exporter_opts: "--collector.systemd"

12
inventory/group_vars/ffmwu-mesh-services Normal file
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@ -0,0 +1,12 @@
---
routing_tables:
mwu: 41
common_repos:
backend-scripts:
repo_url: https://github.com/freifunk-mwu/backend-scripts.git
version: master
force: no
prometheus_components:
- node_exporter

4
inventory/host_vars/kichererbse.freifunk-mwu.de Normal file
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@ -0,0 +1,4 @@
---
server_type: "mesh-service"
magic: 67

1
playbooks/gateways.yml
View file

@ -14,6 +14,7 @@
- service-haveged
- service-ntpd
- kmod-batman
- wireguard
- network-routetables
- network-batman
- network-meshbridge

20
playbooks/mesh-services.yml Executable file
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@ -0,0 +1,20 @@
#!/usr/bin/ansible-playbook
- name: Manage Mesh Services Servers.
hosts: ffmwu-mesh-services
roles:
- server-apt-repos
- server-basic
- network-loopback
- users
- system-sysctl
- git-repos
- service-haveged
- service-ntpd
- wireguard
- network-routetables
- network-routing
- service-bird
- service-nginx
- service-nullmailer

1
playbooks/monitoring.yml
View file

@ -13,6 +13,7 @@
- service-haveged
- service-ntpd
- kmod-batman
- wireguard
- network-routetables
- network-batman
- network-meshbridge

3
roles/network-routing/meta/main.yml Normal file
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@ -0,0 +1,3 @@
---
dependencies:
- wireguard

2
roles/network-routing/tasks/main.yml
View file

@ -61,7 +61,7 @@
loop: "{{ sysctl_settings_routing_basic }}"
- name: set gateway sysctl settings for routing
when: server_type == "gateway"
when: server_type == "gateway" or server_type == "mesh-service"
sysctl:
name: "{{ item.name }}"
value: "{{ item.value }}"

8
roles/network-routing/templates/ffmwu-add-ip-rules.sh.j2
View file

@ -4,10 +4,18 @@
#
# Priority 7 - lookup rt_table mwu for all incoming traffic of freifunk related interfaces
{% if server_type == 'gateway' or server_type == 'monitoring' %}
{% for mesh in meshes %}
ip -4 rule add from all oif {{ mesh.id }}br lookup mwu priority 7
ip -6 rule add from all oif {{ mesh.id }}br lookup mwu priority 7
{% endfor %}
{% endif %}
{% for network in my_wireguard_networks %}
ip -4 rule add from all iif wg-{{ network.remote[:11] }} lookup mwu priority 7
ip -6 rule add from all iif wg-{{ network.remote[:11] }} lookup mwu priority 7
ip -4 rule add from all oif wg-{{ network.remote[:11] }} lookup mwu priority 7
ip -6 rule add from all oif wg-{{ network.remote[:11] }} lookup mwu priority 7
{% endfor %}
{% for prefix in internal_prefixes %}
ip -4 rule add from {{ prefix.ipv4 }} lookup mwu priority 7
ip -4 rule add to {{ prefix.ipv4 }} lookup mwu priority 7

17
roles/network-routing/templates/ffmwu-add-static-routes.sh.j2
View file

@ -3,6 +3,16 @@
# {{ ansible_managed }}
#
{% for network in my_wireguard_networks %}
{% if magic < network.remote_magic %}
/sbin/ip -4 route add {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('address') }} table mwu
/sbin/ip -6 route add {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('network') }} table mwu
{% else %}
/sbin/ip -4 route add {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('1') | ipaddr('address') }} table mwu
/sbin/ip -6 route add {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('1') | ipaddr('address') }} table mwu
{% endif %}
{% endfor %}
{% if server_type == 'gateway' or server_type == 'monitoring' %}
{% for mesh in meshes %}
# static {{ mesh.domain_name }} routes for rt_table mwu
/sbin/ip -4 route add {{ mesh.ipv4_network }} proto static dev {{ mesh.id }}br table mwu
@ -21,6 +31,7 @@
{% endif %}
{% endfor %}
{% endif %}
{% if server_type == 'gateway' %}
# static blackhole routes for rt_table internet
@ -69,10 +80,4 @@
/sbin/ip -6 route add blackhole ::/96 table main
/sbin/ip -6 route add blackhole 0:0:0:0:0:ffff::/96 table main
/sbin/ip -6 route add blackhole ::/0 table main
{% else %}
# static routes for icvpn
/sbin/ip -4 route add {{ icvpn_ipv4_transfer_net }}{% for host in groups['ffmwu-gateways'] %} nexthop via {{ bgp_ipv4_transfer_net | ipaddr('net') | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }}{% endfor %}
/sbin/ip -6 route add {{ icvpn_ipv6_transfer_net }}{% for host in groups['ffmwu-gateways'] %} nexthop via {{ bgp_ipv6_transfer_net | ipaddr('net') | ipsubnet(64, 0) | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }}{% endfor %}
{% endif %}

8
roles/network-routing/templates/ffmwu-del-ip-rules.sh.j2
View file

@ -4,10 +4,18 @@
#
# Priority 7 - lookup rt_table mwu for all incoming traffic of freifunk related interfaces
{% if server_type == 'gateway' or server_type == 'monitoring' %}
{% for mesh in meshes %}
ip -4 rule del from all oif {{ mesh.id }}br lookup mwu priority 7
ip -6 rule del from all oif {{ mesh.id }}br lookup mwu priority 7
{% endfor %}
{% endif %}
{% for network in my_wireguard_networks %}
ip -4 rule del from all iif wg-{{ network.remote[:11] }} lookup mwu priority 7
ip -6 rule del from all iif wg-{{ network.remote[:11] }} lookup mwu priority 7
ip -4 rule del from all oif wg-{{ network.remote[:11] }} lookup mwu priority 7
ip -6 rule del from all oif wg-{{ network.remote[:11] }} lookup mwu priority 7
{% endfor %}
{% for prefix in internal_prefixes %}
ip -4 rule del from {{ prefix.ipv4 }} lookup mwu priority 7
ip -4 rule del to {{ prefix.ipv4 }} lookup mwu priority 7

15
roles/network-routing/templates/ffmwu-del-static-routes.sh.j2
View file

@ -3,6 +3,16 @@
# {{ ansible_managed }}
#
{% for network in my_wireguard_networks %}
{% if magic < network.remote_magic %}
/sbin/ip -4 route del {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('address') }} table mwu
/sbin/ip -6 route del {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('network') }} table mwu
{% else %}
/sbin/ip -4 route del {{ network.ipv4 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv4 | ipaddr('1') | ipaddr('address') }} table mwu
/sbin/ip -6 route del {{ network.ipv6 | ipaddr('network/prefix') }} dev wg-{{ network.remote[:11] }} scope link src {{ network.ipv6 | ipaddr('1') | ipaddr('address') }} table mwu
{% endif %}
{% endfor %}
{% if server_type == 'gateway' or server_type == 'monitoring' %}
{% for mesh in meshes %}
# static {{ mesh.domain_name }} routes for rt_table mwu
/sbin/ip -4 route del {{ mesh.ipv4_network }} proto static dev {{ mesh.id }}br table mwu
@ -21,6 +31,7 @@
{% endif %}
{% endfor %}
{% endif %}
{% if server_type == 'gateway' %}
# static blackhole routes for rt_table internet
@ -69,8 +80,4 @@
/sbin/ip -6 route del blackhole ::/96 table main
/sbin/ip -6 route del blackhole 0:0:0:0:0:ffff::/96 table main
/sbin/ip -6 route del blackhole ::/0 table main
{% else %}
# static routes for icvpn
/sbin/ip -4 route flush exact {{ icvpn_ipv4_transfer_net }}
/sbin/ip -6 route flush exact {{ icvpn_ipv6_transfer_net }}
{% endif %}

2
roles/service-bird-lg/templates/lg.cfg.j2
View file

@ -16,7 +16,7 @@ PROXY = {
# Used for bgpmap
ROUTER_IP = {
{% for host in groups["ffmwu-gateways"] %}
"{{ host.rsplit('.freifunk-mwu.de')[0] }}" : [ "{{ bgp_ipv4_transfer_net | ipaddr('net') | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }}", "{{ bgp_ipv6_transfer_net | ipaddr('net') | ipsubnet(64, 0) | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }}" ],
"{{ host.rsplit('.freifunk-mwu.de')[0] }}" : [ "{{ loopback_net_ipv4 | ipsubnet(32, hostvars[host]['magic']) | ipaddr('address') }}", "{{ loopback_net_ipv6 | ipaddr(hostvars[host]['magic']) | ipaddr('address') }}" ],
{% endfor %}
}

4
roles/service-bird-lg/templates/lgproxy.cfg.j2
View file

@ -3,10 +3,10 @@ DEBUG=False
LOG_FILE="/var/log/bird-lg/lg-proxy.log"
LOG_LEVEL="WARNING"
BIND_IP = "{{ bgp_ipv4_transfer_net | ipaddr('net') | ipaddr(magic) | ipaddr('ip') }}"
BIND_IP = "{{ loopback_net_ipv4 | ipsubnet(32, magic) | ipaddr('address') }}"
BIND_PORT = 5000
ACCESS_LIST = [ {% for host in groups["ffmwu-monitoring"] %}"{{ bgp_ipv4_transfer_net | ipaddr('net') | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }}"{% if not loop.last %}, {% endif %}{% endfor %} ]
ACCESS_LIST = [ {% for host in groups["ffmwu-monitoring"] %}"{{ loopback_net_ipv4 | ipsubnet(32, hostvars[host]['magic']) | ipaddr('address') }}"{% if not loop.last %}, {% endif %}{% endfor %} ]
# ???
IPV4_SOURCE = "10.207.0.37"

3
roles/service-bird/meta/main.yml Normal file
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@ -0,0 +1,3 @@
---
dependencies:
- wireguard

23
roles/service-bird/templates/bird.conf.j2
View file

@ -3,9 +3,9 @@
#
# Variables
define mwu_address = {{ bgp_ipv4_transfer_net | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define mwu_address_legacy = {{ bgp_ipv4_transfer_net_legacy | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define mwu_as = {{ as_private }};
define router_id = {{ bgp_loopback_net | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define router_id = {{ loopback_net_ipv4 | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
# General
timeformat protocol iso long;
@ -70,8 +70,13 @@ protocol device {
};
protocol direct mwu_subnets {
{% if server_type == 'gateway' or server_type == 'monitoring' %}
{% for mesh in meshes %}
interface "{{ mesh.id }}br";
{% endfor %}
{% endif %}
{% for network in my_wireguard_networks %}
interface "wg-{{ network.remote[:11] }}";
{% endfor %}
import where is_mwu_self_nets_loose();
};
@ -86,13 +91,13 @@ protocol direct mwu_anycast {
interface "anycast";
import where is_mwu_anycast();
};
{% endif %}
protocol static {
{% for prefix in internal_prefixes %}
route {{ prefix.ipv4 }} reject;
{% endfor %}
};
{% endif %}
protocol kernel kernel_mwu {
scan time 30;
@ -102,21 +107,26 @@ protocol kernel kernel_mwu {
if is_mwu_anycast() then reject;
{% else %}
if is_mwu_anycast() then accept;
if is_freifunk() then accept;
if is_chaosvpn() then accept;
if is_dn42() then accept;
{% endif %}
if is_mwu_loopback() then accept;
reject;
};
merge paths yes limit {{ groups['ffmwu-gateways'] | length }};
kernel table ipt_mwu;
};
# Templates
template bgp ibgp_mwu {
local mwu_address as mwu_as;
local as mwu_as;
import keep filtered on;
import filter {
{% if server_type == "gateway" %}
if is_mwu_anycast() then reject;
{% endif %}
if is_mwu_loopback() then accept;
if is_mwu_self_nets_loose() then accept;
if is_freifunk() then accept;
if is_chaosvpn() then accept;
@ -124,8 +134,13 @@ template bgp ibgp_mwu {
reject;
};
export filter {
{% if server_type == "gateway" %}
if is_mwu_loopback() then accept;
if is_mwu_self_nets_loose() then accept;
if source = RTS_BGP then accept;
{% else %}
if is_mwu_loopback() then accept;
{% endif %}
reject;
};
direct;

21
roles/service-bird/templates/bird6.conf.j2
View file

@ -3,8 +3,8 @@
#
# Variables
define router_id = {{ bgp_loopback_net | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define mwu_address = {{ bgp_ipv6_transfer_net | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define router_id = {{ loopback_net_ipv6 | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define mwu_address_legacy = {{ bgp_ipv6_transfer_net_legacy | ipaddr('net') | ipaddr(magic) | ipaddr('address') }};
define mwu_as = {{ as_private }};
# General
@ -58,8 +58,13 @@ protocol device {
};
protocol direct mwu_subnets {
{% if server_type == 'gateway' or server_type == 'monitoring' %}
{% for mesh in meshes %}
interface "{{ mesh.id }}br";
{% endfor %}
{% endif %}
{% for network in my_wireguard_networks %}
interface "wg-{{ network.remote[:11] }}";
{% endfor %}
import where is_mwu_self_nets_loose();
};
@ -74,13 +79,13 @@ protocol direct mwu_anycast {
interface "anycast";
import where is_mwu_anycast();
};
{% endif %}
protocol static {
{% for prefix in internal_prefixes %}
route {{ prefix.ipv6 }} reject;
{% endfor %}
};
{% endif %}
protocol kernel kernel_mwu {
scan time 30;
@ -90,16 +95,20 @@ protocol kernel kernel_mwu {
if is_mwu_anycast() then reject;
{% else %}
if is_mwu_anycast() then accept;
{% endif %}
{% if server_type == "mesh-service" %}
if is_ula() then accept;
{% endif %}
if is_mwu_loopback() then accept;
reject;
};
merge paths yes limit {{ groups['ffmwu-gateways'] | length }};
kernel table ipt_mwu;
};
# Templates
template bgp ibgp_mwu {
local mwu_address as mwu_as;
local as mwu_as;
import keep filtered on;
import filter {
{% if server_type == "gateway" %}
@ -110,8 +119,12 @@ template bgp ibgp_mwu {
reject;
};
export filter {
{% if server_type == "gateway" %}
if is_mwu_self_nets_loose() then accept;
if source = RTS_BGP then accept;
{% else %}
if is_mwu_loopback() then accept;
{% endif %}
reject;
};
direct;

22
roles/service-bird/templates/mwu_ipv4_peers.conf.j2
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@ -2,21 +2,27 @@
# {{ ansible_managed }}
#
{% for group in bgp_groups %}
{% for host in groups[group] %}
{% if host != inventory_hostname %}
protocol bgp mwu_{{ host.rsplit('.freifunk-mwu.de')[0] }} from ibgp_mwu {
neighbor {{ bgp_ipv4_transfer_net | ipaddr('net') | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }} as mwu_as;
{% for network in my_wireguard_networks %}
protocol bgp mwu_{{ network.remote }} from ibgp_mwu {
{% if magic < network.remote_magic %}
source address {{ network.ipv4 | ipaddr('address') }};
neighbor {{ network.ipv4 | ipaddr('1') | ipaddr('address') }} as mwu_as;
{% else %}
source address {{ network.ipv4 | ipaddr('1') | ipaddr('address') }};
neighbor {{ network.ipv4 | ipaddr('address') }} as mwu_as;
{% endif %}
};
{% endif %}
{% endfor %}
{% endfor %}
{% if server_type == 'gateway' %}
{% for item, value in bgp_legacy_servers.items() %}
{% if item != inventory_hostname_short %}
protocol bgp mwu_{{ item }} from ibgp_mwu {
protocol bgp mwu_{{ item }}_legacy from ibgp_mwu {
source address mwu_address_legacy;
neighbor {{ value.ipv4 }} as mwu_as;
};
{% endif %}
{% endfor %}
{% endif %}

20
roles/service-bird/templates/mwu_ipv6_peers.conf.j2
View file

@ -2,21 +2,27 @@
# {{ ansible_managed }}
#
{% for group in bgp_groups %}
{% for host in groups[group] %}
{% if host != inventory_hostname %}
protocol bgp mwu_{{ host.rsplit('.freifunk-mwu.de')[0] }} from ibgp_mwu {
neighbor {{ bgp_ipv6_transfer_net | ipaddr('net') | ipsubnet(64, 0) | ipaddr(hostvars[host]['magic']) | ipaddr('ip') }} as mwu_as;
{% for network in my_wireguard_networks %}
protocol bgp mwu_{{ network.remote }} from ibgp_mwu {
{% if magic < network.remote_magic %}
source address {{ network.ipv6 | ipaddr('network') }};
neighbor {{ network.ipv6 | ipaddr('1') | ipaddr('address') }} as mwu_as;
{% else %}
source address {{ network.ipv6 | ipaddr('1') | ipaddr('address') }};
neighbor {{ network.ipv6 | ipaddr('network') }} as mwu_as;
{% endif %}
};
{% endif %}
{% endfor %}
{% endfor %}
{% if server_type == 'gateway' %}
{% for item, value in bgp_legacy_servers.items() %}
{% if item != inventory_hostname_short %}
protocol bgp mwu_{{ item }} from ibgp_mwu {
source address mwu_address_legacy;
neighbor {{ value.ipv6 }} as mwu_as;
};
{% endif %}
{% endfor %}
{% endif %}

6
roles/wireguard/defaults/main.yml Normal file
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@ -0,0 +1,6 @@
---
# All WireGuard networks
wireguard_networks: []
# WireGuard networks for specific host, will be filtered automatically
my_wireguard_networks: []

5
roles/wireguard/handlers/main.yml Normal file
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@ -0,0 +1,5 @@
---
- name: reload network interfaces
systemd:
name: networking
state: reloaded

80
roles/wireguard/tasks/main.yml Normal file
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@ -0,0 +1,80 @@
---
- name: Gather my own WireGuard networks.
set_fact:
my_wireguard_networks: "{% set _my_nets = [] %}{% for net in wireguard_networks %}{% if inventory_hostname_short in net.peers %}{% do _my_nets.append(net) %}{% set remote = net.peers | reject('equalto', inventory_hostname_short) | list () | first %}{% set remote_hostname = remote + '.freifunk-mwu.de' %}{% set remote_magic = hostvars[remote_hostname]['magic'] %}{% do net.update({'remote': remote, 'remote_hostname': remote_hostname, 'remote_magic': remote_magic}) %}{% endif %}{% endfor %}{{ _my_nets }}"
- name: Set unstable pin priority.
blockinfile:
dest: "/etc/apt/preferences.d/limit-unstable"
block: |
Package: *
Pin: release a=unstable
Pin-Priority: -10
create: True
owner: "root"
group: "root"
mode: "0644"
- name: Raise WireGuard pin priority.
blockinfile:
dest: "/etc/apt/preferences.d/wireguard"
block: |
Package: wireguard*
Pin: release a=unstable
Pin-Priority: 500
create: "true"
owner: "root"
group: "root"
mode: "0644"
- name: Add Debian unstable repository.
apt_repository:
repo: "deb http://deb.debian.org/debian/ unstable main"
state: "present"
filename: "unstable"
update_cache: True
- name: Install WireGuard packages.
package:
name: "{{ wireguard_packages }}"
state: "present"
- name: Ensure WireGuard directory exists.
file:
path: "/etc/wireguard"
state: "directory"
owner: "root"
group: "root"
mode: "0640"
- name: Register the WireGuard public + private key.
set_fact:
wireguard_public_key: "{{ lookup('passwordstore', 'wireguard/' + inventory_hostname_short + ' subkey=public') }}"
wireguard_private_key: "{{ lookup('passwordstore', 'wireguard/' + inventory_hostname_short + ' subkey=private') }}"
no_log: True
- name: Write the WireGuard private key.
copy:
content: "{{ wireguard_private_key }}"
dest: "/etc/wireguard/wg.priv"
owner: "root"
group: "root"
mode: "0600"
- name: Write the WireGuard config.
template:
src: "wg.conf.j2"
dest: "/etc/wireguard/wg-{{ item.remote[:11] }}.conf"
owner: root
group: root
mode: 0640
loop: "{{ my_wireguard_networks }}"
- name: Configure the WireGuard interface config.
template:
src: "wireguard.j2"
dest: "/etc/network/interfaces.d/wireguard"
owner: "root"
group: "root"
mode: "0644"
notify: reload network interfaces

12
roles/wireguard/templates/wg.conf.j2 Normal file
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@ -0,0 +1,12 @@
# {{ ansible_managed }}
#
# {{ inventory_hostname }} wg_{{ item.remote[:13] }} configuration
#
[Interface]
PrivateKey = {{ wireguard_private_key }}
ListenPort = {{ item.port }}
[Peer]
Endpoint = {{ item.remote_hostname }}:{{ item.port }}
PublicKey = {{ lookup('passwordstore', 'wireguard/' + item.remote + ' subkey=public') }}
AllowedIPs = 0.0.0.0/0,::/0

19
roles/wireguard/templates/wireguard.j2 Normal file
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@ -0,0 +1,19 @@
#
# {{ ansible_managed }}
#
{% for network in my_wireguard_networks %}
auto wg-{{ network.remote[:11] }}
iface wg-{{ network.remote[:11] }}
{% if magic < network.remote_magic %}
address {{ network.ipv4 | ipaddr('ip/prefix') }}
address {{ network.ipv6 | ipaddr('ip/prefix') }}
{% else %}
address {{ network.ipv4 | ipaddr('1') | ipaddr('ip/prefix') }}
address {{ network.ipv6 | ipaddr('1') | ipaddr('ip/prefix') }}
{% endif %}
pre-up ip link add dev $IFACE type wireguard
pre-up wg setconf $IFACE /etc/wireguard/$IFACE.conf
post-up ip link set up dev $IFACE
post-down ip link del $IFACE
{% endfor %}

5
roles/wireguard/vars/main.yml Normal file
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@ -0,0 +1,5 @@
---
wireguard_packages:
- wireguard-dkms
- wireguard-tools
- linux-headers-{{ ansible_kernel }}