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8fddcad3f9
Signed-off-by: Jörg Thalheim <joerg@higgsboson.tk>
72 lines
1.7 KiB
Nix
72 lines
1.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.telegraf;
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configFile = pkgs.runCommand "config.toml" {
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buildInputs = [ pkgs.remarshal ];
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} ''
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remarshal -if json -of toml \
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< ${pkgs.writeText "config.json" (builtins.toJSON cfg.extraConfig)} \
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> $out
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'';
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in {
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###### interface
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options = {
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services.telegraf = {
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enable = mkEnableOption "telegraf server";
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package = mkOption {
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default = pkgs.telegraf;
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defaultText = "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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extraConfig = mkOption {
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default = {};
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description = "Extra configuration options for telegraf";
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type = types.attrs;
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example = {
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outputs = {
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influxdb = {
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urls = ["http://localhost:8086"];
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database = "telegraf";
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};
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};
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inputs = {
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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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};
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};
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};
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###### implementation
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config = mkIf config.services.telegraf.enable {
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systemd.services.telegraf = {
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description = "Telegraf Agent";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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ExecStart=''${cfg.package}/bin/telegraf -config "${configFile}"'';
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ExecReload="${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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User = "telegraf";
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Restart = "on-failure";
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};
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};
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users.extraUsers = [{
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name = "telegraf";
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uid = config.ids.uids.telegraf;
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description = "telegraf daemon user";
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}];
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};
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}
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