49 lines
1.3 KiB
Nix
49 lines
1.3 KiB
Nix
{ config, lib, pkgs, options, ... }:
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let
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cfg = config.services.prometheus.exporters.ping;
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inherit (lib) mkOption types concatStringsSep;
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settingsFormat = pkgs.formats.yaml {};
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configFile = settingsFormat.generate "config.yml" cfg.settings;
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in
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{
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port = 9427;
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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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settings = mkOption {
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type = settingsFormat.type;
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default = {};
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description = ''
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Configuration for ping_exporter, see
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<https://github.com/czerwonk/ping_exporter>
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for supported values.
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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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# ping-exporter needs `CAP_NET_RAW` to run as non root https://github.com/czerwonk/ping_exporter#running-as-non-root-user
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CapabilityBoundingSet = [ "CAP_NET_RAW" ];
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AmbientCapabilities = [ "CAP_NET_RAW" ];
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ExecStart = ''
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${pkgs.prometheus-ping-exporter}/bin/ping_exporter \
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--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
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--web.telemetry-path ${cfg.telemetryPath} \
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--config.path="${configFile}" \
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${concatStringsSep " \\\n " cfg.extraFlags}
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'';
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};
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};
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}
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