prometheus-exporter-nextcloud: support for auth tokens

        Make sure that this file is readable by the exporter user.

      '';

    };

    tokenFile = mkOption {

      type = types.path;

      example = "/path/to/token-file";

      default = "";

      description = lib.mdDoc ''

        File containing the token for connecting to Nextcloud.

        Make sure that this file is readable by the exporter user.

      '';

    };

    timeout = mkOption {

      type = types.str;

      default = "5s";

      ExecStart = ''

        ${pkgs.prometheus-nextcloud-exporter}/bin/nextcloud-exporter \

          --addr ${cfg.listenAddress}:${toString cfg.port} \

          --username ${cfg.username} \

          --timeout ${cfg.timeout} \

          --server ${cfg.url} \

          ${if cfg.tokenFile == "" then ''

            --username ${cfg.username} \

            --password ${escapeShellArg "@${cfg.passwordFile}"} \

          ${concatStringsSep " \\\n  " cfg.extraFlags}

      '';

         '' else ''

            --auth-token ${escapeShellArg "@${cfg.tokenFile}"} \

         ''} ${concatStringsSep " \\\n  " cfg.extraFlags}'';

    };

  };

}