{ config, lib, ... }:

let
  inherit (lib) mkOption types;
  cfg = config.my.services.node-exporter;
in {
  options.my.services.node-exporter = {
    listenAddress = mkOption {
      type = types.str;
      default = "[::1]";
      description = "Address to listen on.";
    };
  };

  config = {
    services.prometheus.exporters.node = {
      enable = true;
      inherit (cfg) listenAddress;
      enabledCollectors = [ "systemd" ];
      # disable a whole bunch of useless/unneeded collectors
      disabledCollectors = [
        "arp"
        "bcache"
        "bonding"
        "fibrechannel"
        "infiniband"
        "ipvs"
        "selinux"
        "tapestats"
        "xfs"
      ];
    };
  };
}