72 lines
1.7 KiB
Nix
72 lines
1.7 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.services.telegraf;
|
|
|
|
configFile = pkgs.runCommand "config.toml" {
|
|
buildInputs = [ pkgs.remarshal ];
|
|
preferLocalBuild = true;
|
|
} ''
|
|
remarshal -if json -of toml \
|
|
< ${pkgs.writeText "config.json" (builtins.toJSON cfg.extraConfig)} \
|
|
> $out
|
|
'';
|
|
in {
|
|
###### interface
|
|
options = {
|
|
services.telegraf = {
|
|
enable = mkEnableOption "telegraf server";
|
|
|
|
package = mkOption {
|
|
default = pkgs.telegraf;
|
|
defaultText = "pkgs.telegraf";
|
|
description = "Which telegraf derivation to use";
|
|
type = types.package;
|
|
};
|
|
|
|
extraConfig = mkOption {
|
|
default = {};
|
|
description = "Extra configuration options for telegraf";
|
|
type = types.attrs;
|
|
example = {
|
|
outputs = {
|
|
influxdb = {
|
|
urls = ["http://localhost:8086"];
|
|
database = "telegraf";
|
|
};
|
|
};
|
|
inputs = {
|
|
statsd = {
|
|
service_address = ":8125";
|
|
delete_timings = true;
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
|
|
###### implementation
|
|
config = mkIf config.services.telegraf.enable {
|
|
systemd.services.telegraf = {
|
|
description = "Telegraf Agent";
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network-online.target" ];
|
|
serviceConfig = {
|
|
ExecStart=''${cfg.package}/bin/telegraf -config "${configFile}"'';
|
|
ExecReload="${pkgs.coreutils}/bin/kill -HUP $MAINPID";
|
|
User = "telegraf";
|
|
Restart = "on-failure";
|
|
};
|
|
};
|
|
|
|
users.users.telegraf = {
|
|
uid = config.ids.uids.telegraf;
|
|
description = "telegraf daemon user";
|
|
};
|
|
};
|
|
}
|