{ config, lib, pkgs, ... }: let inherit (lib.modules) mkIf; inherit (lib.options) mkEnableOption; cfg = config.modules.system.services.loki; port = 4026; dataDir = "/srv/data/loki"; in { options.modules.system.services.loki.enable = mkEnableOption "Grafana, a graphing service"; config = mkIf cfg.enable { services.loki = { enable = true; package = pkgs.loki; configuration = { }; }; }; }