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{ config, lib, pkgs, ... }:
let
cfg = config.orbekk.vpn;
vpn-prefix = "2001:470:8e2e:1000";
mkConfig = host: ip: {
ips = [ "${vpn-prefix}::d/64" ];
publicKey = (builtins.readFile ../secrets/${host}-wireguard-key.pub);
endpoint = null;
server = false;
};
hosts = {
dragon = mkConfig "dragon" "d" // {
endpoint = "dragon.orbekk.com:${toString cfg.listenPort}";
server = true;
};
tiny1 = mkConfig "tiny1" "1001" // {
endpoint = "tiny1.orbekk.com:${toString cfg.listenPort}";
server = true;
};
firelink = mkConfig "firelink" "2001";
pincer = mkConfig "pincer" "2002";
};
mkPeer = hostConfig: {
inherit (hostConfig) publicKey endpoint;
allowedIPs = (lib.optionals (!hostConfig.server && !cfg.is_server) [ "0.0.0.0/0" "::/0" ]);
};
getPeers = host:
builtins.map mkPeer (builtins.attrValues (builtins.removeAttrs hosts [host]));
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 = false;
listenPort = cfg.listenPort;
peers = getPeers config.networking.hostName;
};
};
};
}
|
