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71 lines
1.8 KiB
Nix
71 lines
1.8 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkEnableOption mkOption types mkIf;
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cfg = config.services.telegraf;
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settingsFormat = pkgs.formats.toml { };
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configFile = settingsFormat.generate "config.toml" cfg.extraConfig;
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in {
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options = {
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services.telegraf = {
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enable = mkEnableOption "telegraf agent";
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package = mkOption {
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default = pkgs.telegraf;
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defaultText = lib.literalExpression "pkgs.telegraf";
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description = "Which telegraf derivation to use";
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type = types.package;
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};
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environmentFiles = mkOption {
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type = types.listOf types.path;
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default = [ ];
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example = [ "/run/keys/telegraf.env" ];
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description = ''
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File to load as environment file.
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This is useful to avoid putting secrets into the nix store.
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'';
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};
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extraConfig = mkOption {
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default = { };
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description = "Extra configuration options for telegraf";
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type = settingsFormat.type;
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example = {
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outputs.influxdb = {
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urls = [ "http://localhost:8086" ];
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database = "telegraf";
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};
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inputs.statsd = {
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service_address = ":8125";
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delete_timings = true;
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};
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};
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};
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configUrl = mkOption {
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default = null;
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description = "Url to fetch config from";
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type = types.nullOr types.str;
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};
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};
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};
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config = mkIf cfg.enable {
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launchd.daemons.telegraf = {
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script = ''
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${lib.concatStringsSep "\n"
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(map (file: "source ${file}") cfg.environmentFiles)}
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${cfg.package}/bin/telegraf --config ${
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if cfg.configUrl == null then configFile else cfg.configUrl
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}
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'';
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serviceConfig = {
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KeepAlive = true;
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RunAtLoad = true;
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};
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};
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};
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}
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