76 lines
2.1 KiB
Nix
76 lines
2.1 KiB
Nix
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{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkEnableOption mkPackageOption mkIf mkOption types getExe;
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cfg = config.services.opentelemetry-collector;
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opentelemetry-collector = cfg.package;
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settingsFormat = pkgs.formats.yaml { };
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in
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{
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options.services.opentelemetry-collector = {
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enable = mkEnableOption "Opentelemetry Collector";
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package = mkPackageOption pkgs "opentelemetry-collector" { };
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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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Specify the configuration for Opentelemetry Collector in Nix.
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See https://opentelemetry.io/docs/collector/configuration/ for available options.
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'';
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};
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configFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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Specify a path to a configuration file that Opentelemetry Collector should use.
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'';
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};
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};
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config = mkIf cfg.enable {
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assertions = [{
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assertion = (
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(cfg.settings == { }) != (cfg.configFile == null)
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);
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message = ''
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Please specify a configuration for Opentelemetry Collector with either
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'services.opentelemetry-collector.settings' or
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'services.opentelemetry-collector.configFile'.
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'';
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}];
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systemd.services.opentelemetry-collector = {
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description = "Opentelemetry Collector Service Daemon";
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wantedBy = [ "multi-user.target" ];
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serviceConfig =
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let
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conf =
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if cfg.configFile == null
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then settingsFormat.generate "config.yaml" cfg.settings
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else cfg.configFile;
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in
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{
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ExecStart = "${getExe opentelemetry-collector} --config=file:${conf}";
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DynamicUser = true;
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Restart = "always";
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ProtectSystem = "full";
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DevicePolicy = "closed";
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NoNewPrivileges = true;
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WorkingDirectory = "%S/opentelemetry-collector";
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StateDirectory = "opentelemetry-collector";
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SupplementaryGroups = [
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# allow to read the systemd journal for opentelemetry-collector
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"systemd-journal"
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];
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};
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};
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};
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}
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