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fixup! shinobu/router: Split configuration

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This commit is contained in:
Simon Bruder 2023-09-24 14:47:04 +02:00
parent d733c5a802
commit 560fc237b7
Signed by: simon
GPG key ID: 8D3C82F9F309F8EC
2 changed files with 142 additions and 147 deletions
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142
machines/shinobu/services/router/default.nix
View file

@ -45,4 +45,146 @@ in
environment.systemPackages = with pkgs; [
ethtool
];
sops.secrets.wg-upstream-private-key = {
owner = config.users.users.systemd-network.name;
sopsFile = ../../secrets.yaml;
};
networking.useDHCP = false;
systemd.network = {
enable = true;
# not all interfaces need to be up
wait-online.extraArgs = [ "--any" ];
netdevs = {
br-lan = {
netdevConfig = {
Name = "br-lan";
Kind = "bridge";
};
};
wg-upstream = {
netdevConfig = {
Kind = "wireguard";
Name = "wg-upstream";
};
wireguardConfig = {
PrivateKeyFile = config.sops.secrets.wg-upstream-private-key.path;
FirewallMark = 51820;
};
wireguardPeers = lib.singleton {
wireguardPeerConfig = with cfg.wg-upstream; {
Endpoint = endpoint.full;
PublicKey = publicKey;
AllowedIPs = [ "0.0.0.0/0" "::0/0" ];
PersistentKeepalive = 25;
};
};
};
};
networks = {
wan = {
name = "enp1s0";
DHCP = "ipv4";
networkConfig = {
IPv6AcceptRA = "yes";
};
dhcpV4Config = {
UseDNS = "no";
};
ipv6AcceptRAConfig = {
# Only use RA
DHCPv6Client = false;
UseDNS = "no";
};
};
lan1 = {
name = "enp2s0";
bridge = [ "br-lan" ];
};
lan2 = {
name = "enp3s0";
bridge = [ "br-lan" ];
};
lan3 = {
name = "enp4s0";
bridge = [ "br-lan" ];
};
br-lan = {
name = "br-lan";
domains = [ cfg.domain ];
address = [ "10.80.1.1/24" "fd00:80:1::1/64" ];
};
wg-upstream = {
name = "wg-upstream";
address = cfg.wg-upstream.addresses;
routingPolicyRules = [
{
routingPolicyRuleConfig = {
Family = "both"; # default is only ipv4
FirewallMark = 51820;
InvertRule = "yes";
Table = 51820;
Priority = 10;
#SuppressPrefixLength = 0; # can’t be used here (forwarding does not work with it)
};
}
# FIXME: those two shouldn’t be necessary
# It should automatically detect those routes existing and prioritise them
# LAN (v4)
{
routingPolicyRuleConfig = {
To = "10.80.1.0/24";
Priority = 9;
};
}
# LAN (v6)
{
routingPolicyRuleConfig = {
To = "fd00:80:1::/64";
Priority = 9;
};
}
# wg-home
{
routingPolicyRuleConfig = {
To = "10.80.0.0/24";
Priority = 9;
};
}
# VPN bypass
{
routingPolicyRuleConfig = {
Family = "both"; # welcome in the year 2023, where ipv4 is the default
FirewallMark = cfg.vpnBypassFwMark;
Priority = 9;
};
}
# plastic router
{
routingPolicyRuleConfig = {
To = "192.168.0.0/24";
Priority = 9;
};
}
];
routes = [
{
routeConfig = {
Gateway = "0.0.0.0"; # point-to-point connection
Table = 51820;
};
}
{
routeConfig = {
Gateway = "::";
Table = 51820;
};
}
];
};
};
};
services.resolved.enable = false;
}

147
machines/shinobu/services/router/networkd.nix
View file

@ -1,147 +0,0 @@
{ config, lib, ... }:
let
cfg = import ./common.nix;
in
{
sops.secrets.wg-upstream-private-key = {
owner = config.users.users.systemd-network.name;
sopsFile = ../../secrets.yaml;
};
networking.useDHCP = false;
systemd.network = {
enable = true;
# not all interfaces need to be up
wait-online.extraArgs = [ "--any" ];
netdevs = {
br-lan = {
netdevConfig = {
Name = "br-lan";
Kind = "bridge";
};
};
wg-upstream = {
netdevConfig = {
Kind = "wireguard";
Name = "wg-upstream";
};
wireguardConfig = {
PrivateKeyFile = config.sops.secrets.wg-upstream-private-key.path;
FirewallMark = 51820;
};
wireguardPeers = lib.singleton {
wireguardPeerConfig = with cfg.wg-upstream; {
Endpoint = endpoint.full;
PublicKey = publicKey;
AllowedIPs = [ "0.0.0.0/0" "::0/0" ];
PersistentKeepalive = 25;
};
};
};
};
networks = {
wan = {
name = "enp1s0";
DHCP = "ipv4";
networkConfig = {
IPv6AcceptRA = "yes";
};
dhcpV4Config = {
UseDNS = "no";
};
ipv6AcceptRAConfig = {
# Only use RA
DHCPv6Client = false;
UseDNS = "no";
};
};
lan1 = {
name = "enp2s0";
bridge = [ "br-lan" ];
};
lan2 = {
name = "enp3s0";
bridge = [ "br-lan" ];
};
lan3 = {
name = "enp4s0";
bridge = [ "br-lan" ];
};
br-lan = {
name = "br-lan";
domains = [ cfg.domain ];
address = [ "10.80.1.1/24" "fd00:80:1::1/64" ];
};
wg-upstream = {
name = "wg-upstream";
address = cfg.wg-upstream.addresses;
routingPolicyRules = [
{
routingPolicyRuleConfig = {
Family = "both"; # default is only ipv4
FirewallMark = 51820;
InvertRule = "yes";
Table = 51820;
Priority = 10;
#SuppressPrefixLength = 0; # can’t be used here (forwarding does not work with it)
};
}
# FIXME: those two shouldn’t be necessary
# It should automatically detect those routes existing and prioritise them
# LAN (v4)
{
routingPolicyRuleConfig = {
To = "10.80.1.0/24";
Priority = 9;
};
}
# LAN (v6)
{
routingPolicyRuleConfig = {
To = "fd00:80:1::/64";
Priority = 9;
};
}
# wg-home
{
routingPolicyRuleConfig = {
To = "10.80.0.0/24";
Priority = 9;
};
}
# VPN bypass
{
routingPolicyRuleConfig = {
Family = "both"; # welcome in the year 2023, where ipv4 is the default
FirewallMark = cfg.vpnBypassFwMark;
Priority = 9;
};
}
# plastic router
{
routingPolicyRuleConfig = {
To = "192.168.0.0/24";
Priority = 9;
};
}
];
routes = [
{
routeConfig = {
Gateway = "0.0.0.0"; # point-to-point connection
Table = 51820;
};
}
{
routeConfig = {
Gateway = "::";
Table = 51820;
};
}
];
};
};
};
services.resolved.enable = false;
}