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nixfiles/modules/wg-clerie/default.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.wg-clerie;
in
{
options = {
services.wg-clerie = {
enable = mkEnableOption "VPN for public static IP";
privateKeyFile = mkOption {
type = types.str;
default = "/var/src/secrets/wireguard/wg-clerie";
description = "Path to file containing private key for wireguard interface";
};
ipv6s = mkOption {
type = with types; listOf str;
default = [];
description = "IPv6 interface addresses";
};
ipv4s = mkOption {
type = with types; listOf str;
default = [];
description = "IPv4 interface addresses";
};
};
};
config = mkIf cfg.enable {
networking.iproute2.enable = true;
networking.iproute2.rttablesExtraConfig = ''
200 wg-clerie
'';
petabyte.policyrouting = {
enable = true;
rules6 = concatMap (ip: [
{ rule = "from ${ip} lookup wg-clerie"; prio = 20000; }
{ rule = "from ${ip} unreachable"; prio = 20001; }
]) cfg.ipv6s;
rules4 = concatMap (ip: [
{ rule = "from ${ip} lookup wg-clerie"; prio = 20000; }
{ rule = "from ${ip} unreachable"; prio = 20001; }
]) cfg.ipv4s;
};
networking.wireguard.enable = true;
networking.wireguard.interfaces = {
wg-clerie = {
inherit (cfg) privateKeyFile;
ips = cfg.ipv6s ++ cfg.ipv4s;
table = "wg-clerie";
peers = [
{
endpoint = "vpn.clerie.de:51820";
persistentKeepalive = 25;
dynamicEndpointRefreshSeconds = 5;
allowedIPs = [ "0.0.0.0/0" "::/0" "10.20.30.0/24" "2a01:4f8:c0c:15f1::/113" ];
publicKey = "2p1Jqs3bkXbXHFWE6vp1yxHIFoUaZQEARS2nJzbkuBA=";
}
];
};
};
};
}