helm/profiles/wireguard-server/default.nix

{ config, pkgs, lib, ... }:
{
  environment.systemPackages = [ pkgs.wireguard pkgs.mosh ];
  networking.nat = {
    enable = true;
    externalInterface = "ens3";
    internalInterfaces = [ "wg0" ];
  };
  networking.firewall = {
    allowedUDPPorts = [ 60990 ];
  };

  networking.wireguard.interfaces.wg0 = {
    ips = [ "10.0.69.1/24" ];
    listenPort = 60990;
    privateKeyFile = "/var/lib/wireguard/private";
    generatePrivateKeyFile = true; # TODO agenix secret
    peers = [
      {
        # box
        publicKey = "Ra78mOc110K7URN5uB3m9d78iBKgeRHzT+3HkiFp9BU=";
        allowedIPs = [ "10.0.69.4/32" ];
      }
      {
        # line
        publicKey = "fsb1FuGmYi89p4CVXytKw2FYamONKtoanxrgs/dJjC8=";
        allowedIPs = [ "10.0.69.3/32" ];
      }
      {
        # curve
        publicKey = "XmV4AcPPND/eeSI6d9M1iahCjtymqY6DdUDEFNP/x3g=";
        allowedIPs = [ "10.0.69.2/32" ];
      }
    ];
  };
}