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