nixos-config/modules/wireguard/home.nix

{ lib, config, ... }:
let
  cfg = config.sbruder.wireguard.home;
in
{
  options = {
    sbruder.wireguard.home = {
      enable = lib.mkEnableOption "WireGuard tunnel wg-home";
      address = lib.mkOption {
        type = lib.types.str;
        description = "IP(v4) address of the host";
        example = "10.80.0.1";
      };
      privateKeyFile = lib.mkOption {
        type = lib.types.str;
        description = "Private key file";
        default = toString <secrets/wg-home-private-key>;
      };
    };
  };

  config.networking.wireguard.interfaces.wg-home = lib.mkIf cfg.enable {
    privateKeyFile = cfg.privateKeyFile;
    ips = [ "${cfg.address}/24" ];
    peers = [
      {
        allowedIPs = [ "10.80.0.0/24" ];
        publicKey = "UyZRAVTIc/RMs/J+591wrA8lHU0e8dwDJJwcpRb3xQA=";
        endpoint = "87.140.16.73:51820"; # IPv6 is tunneled so legacy is preferred
        persistentKeepalive = 25;
      }
    ];
  };
}