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|
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.smokeping;
goDuration = types.mkOptionType {
name = "goDuration";
description = "Go duration (https://golang.org/pkg/time/#ParseDuration)";
check = x: types.str.check x && builtins.match "(-?[0-9]+(\.[0-9]+)?(ns|us|µs|ms|s|m|h))+" x != null;
inherit (types.str) merge;
};
in
{
port = 9374;
extraOpts = {
telemetryPath = mkOption {
type = types.str;
default = "/metrics";
description = ''
Path under which to expose metrics.
'';
};
pingInterval = mkOption {
type = goDuration;
default = "1s";
description = ''
Interval between pings.
'';
};
buckets = mkOption {
type = types.commas;
default = "5e-05,0.0001,0.0002,0.0004,0.0008,0.0016,0.0032,0.0064,0.0128,0.0256,0.0512,0.1024,0.2048,0.4096,0.8192,1.6384,3.2768,6.5536,13.1072,26.2144";
description = ''
List of buckets to use for the response duration histogram.
'';
};
hosts = mkOption {
type = with types; listOf str;
description = ''
List of endpoints to probe.
'';
};
};
serviceOpts = {
serviceConfig = {
AmbientCapabilities = [ "CAP_NET_RAW" ];
ExecStart = ''
${pkgs.prometheus-smokeping-prober}/bin/smokeping_prober \
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
--web.telemetry-path ${cfg.telemetryPath} \
--buckets ${cfg.buckets} \
--ping.interval ${cfg.pingInterval} \
--privileged \
${concatStringsSep " \\\n " cfg.extraFlags} \
${concatStringsSep " " cfg.hosts}
'';
};
};
}
|