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nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/node.nix

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{ config, lib, pkgs }:
with lib;
let
cfg = config.services.prometheus.exporters.node;
in
{
port = 9100;
extraOpts = {
enabledCollectors = mkOption {
type = types.listOf types.string;
default = [];
example = ''[ "systemd" ]'';
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 = ''[ "timex" ]'';
description = ''
Collectors to disable which are enabled by default.
'';
};
};
serviceOpts = {
serviceConfig = {
ExecStart = ''
${pkgs.prometheus-node-exporter}/bin/node_exporter \
${concatMapStringsSep " " (x: "--collector." + x) cfg.enabledCollectors} \
${concatMapStringsSep " " (x: "--no-collector." + x) cfg.disabledCollectors} \
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
};
};
}