os/modules/wireguard/pub.solar.nix

{
  lib,
  config,
  ...
}: let
  cfg = config.pub-solar.wireguard.pub-solar;
in {
  options.pub-solar.wireguard.pub-solar = {
    ownIPs = lib.mkOption {
      description = "Internal ips in wireguard used for cluster control-plane communication.";
      type = lib.types.listOf lib.types.str;
      default = [];
    };

    privateKeyFile = lib.mkOption {
      description = "Location of private key file";
      type = lib.types.path;
    };
  };

  config = lib.mkIf (lib.length cfg.ownIPs != 0) {
    networking.firewall.allowedUDPPorts = [51821];

    systemd.network.wait-online.ignoredInterfaces = ["wg-pub-solar"];

    systemd.services.wireguard-wg-pub-solar = import ./service-override.nix lib;

    networking.wireguard.interfaces = {
      wg-pub-solar = {
        listenPort = 51821;
        mtu = 1300;
        ips = cfg.ownIPs;
        privateKeyFile = cfg.privateKeyFile;
        peers = [
          {
            endpoint = "flora-6.pub.solar:51820";
            publicKey = "jtSR5G2P/nm9s8WrVc26Xc/SQLupRxyXE+5eIeqlsTU=";
            allowedIPs = ["10.7.6.2/32" "fd00:fae:fae:fae:fae:2::/96"];
            persistentKeepalive = 15;
            dynamicEndpointRefreshSeconds = 30;
          }
          {
            endpoint = "nachtigall.pub.solar:51820";
            publicKey = "qzNywKY9RvqTnDO8eLik75/SHveaSk9OObilDzv+xkk=";
            allowedIPs = ["10.7.6.1/32" "fd00:fae:fae:fae:fae:1::/96"];
            persistentKeepalive = 15;
            dynamicEndpointRefreshSeconds = 30;
          }
        ];
      };
    };
  };
}