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{ config, lib, pkgs, ... }:
let
cfg = config.orbekk.vpn;
vpn-prefix = "2001:470:8e2e:1000";
mkConfig = host: ip: {
ips = [ "${vpn-prefix}::${ip}/128" ];
publicKey = (builtins.readFile (../secrets + "/${host}-wireguard-key.pub"));
endpoint = null;
router = false;
};
hosts = {
dragon = mkConfig "dragon" "d" // {
endpoint = "dragon.orbekk.com:${toString cfg.listenPort}";
router = true;
};
tiny1 = mkConfig "tiny1" "1001" // {
endpoint = "tiny1.orbekk.com:${toString cfg.listenPort}";
};
firelink = mkConfig "firelink" "2001";
pincer = mkConfig "pincer" "2002";
steamdeck = mkConfig "steamdeck" "2003" // {
ips = [ "${vpn-prefix}::2003/128" "${vpn-prefix}::2004/128" ];
};
trygve = mkConfig "trygve" "2004";
};
mkPeer = hostConfig: {
inherit (hostConfig) publicKey endpoint;
allowedIPs = if hostConfig.router && !cfg.is_server then
[ "${vpn-prefix}::/64" ]
else
hostConfig.ips;
};
getPeers = host:
if host == "dragon" then
builtins.map mkPeer
(builtins.attrValues (builtins.removeAttrs hosts [ host ]))
else
builtins.map mkPeer [ hosts.dragon ];
in {
options = {
orbekk.vpn = {
enable = lib.mkEnableOption "Enable VPN";
is_server = lib.mkOption {
type = lib.types.bool;
default = false;
};
listenPort = lib.mkOption {
type = lib.types.port;
default = 40422;
description = "wireguard local port";
};
};
};
config = lib.mkIf cfg.enable {
orbekk.simple-firewall.allowedUDPPorts = [ cfg.listenPort ];
age.secrets = {
"${config.networking.hostName}-wireguard-key".file = ./.
+ "/../secrets/${config.networking.hostName}-wireguard-key.age";
};
networking.networkmanager.unmanaged = [ "vpn" ];
networking.wireguard = {
enable = true;
interfaces.vpn = {
ips = hosts.${config.networking.hostName}.ips;
privateKeyFile =
"${config.age.secrets."${config.networking.hostName}-wireguard-key".path}";
allowedIPsAsRoutes = true;
listenPort = cfg.listenPort;
peers = getPeers config.networking.hostName;
};
};
};
}
|
