prometheus-frr-exporter: init prometheus exporter module (#313651)

    "flow"

    "fritz"

    "fritzbox"

    "frr"

    "graphite"

    "idrac"

    "imap-mailstat"

{

  config,

  lib,

  pkgs,

  ...

}:

let

  cfg = config.services.prometheus.exporters.frr;

  inherit (lib)

    mkOption

    types

    concatStringsSep

    concatMapStringsSep

    ;

in

{

  port = 9342;

  extraOpts = {

    enabledCollectors = mkOption {

      type = types.listOf types.str;

      default = [ ];

      example = [ "vrrp" ];

      description = ''

        Collectors to enable. The collectors listed here are enabled in addition to the default ones.

      '';

    };

    disabledCollectors = mkOption {

      type = types.listOf types.str;

      default = [ ];

      example = [ "bfd" ];

      description = ''

        Collectors to disable which are enabled by default.

      '';

    };

  };

  serviceOpts = {

    serviceConfig = {

      DynamicUser = false;

      RuntimeDirectory = "prometheus-frr-exporter";

      ExecStart = ''

        ${lib.getExe pkgs.prometheus-frr-exporter} \

          ${concatMapStringsSep " " (x: "--collector." + x) cfg.enabledCollectors} \

          ${concatMapStringsSep " " (x: "--no-collector." + x) cfg.disabledCollectors} \

          --web.listen-address ${cfg.listenAddress}:${toString cfg.port} ${concatStringsSep " " cfg.extraFlags}

      '';

    };

  };

}