{ config, lib, pkgs, ... }: with lib; let cfg = config.services.usbrelayd; in { options.services.usbrelayd = with types; { enable = mkEnableOption "USB Relay MQTT daemon"; broker = mkOption { type = str; description = "Hostname or IP address of your MQTT Broker."; default = "127.0.0.1"; example = [ "mqtt" "192.168.1.1" ]; }; clientName = mkOption { type = str; description = "Name, your client connects as."; default = "MyUSBRelay"; }; }; config = mkIf cfg.enable { environment.etc."usbrelayd.conf".text = '' [MQTT] BROKER = ${cfg.broker} CLIENTNAME = ${cfg.clientName} ''; services.udev.packages = [ pkgs.usbrelayd ]; systemd.packages = [ pkgs.usbrelayd ]; users.groups.usbrelay = { }; }; meta = { maintainers = with lib.maintainers; [ wentasah ]; }; }