nixos/promtail: configFile for passing path as config (#322426) (8db88597) · Commits · nix / nixpkgs

nixos/modules/services/logging/promtail.nix

+17 −3

Original line number	Diff line number	Diff line
		@@ -10,15 +10,29 @@ let

		allowPositionsFile = !lib.hasPrefix "/var/cache/promtail" positionsFile;
		positionsFile = cfg.configuration.positions.filename;

		configFile = if cfg.configFile != null
		then cfg.configFile
		else prettyJSON cfg.configuration;

		in {
		options.services.promtail = with types; {
		enable = mkEnableOption "the Promtail ingresser";


		configuration = mkOption {
		type = (pkgs.formats.json {}).type;
		description = ''
		Specify the configuration for Promtail in Nix.
		This option will be ignored if `services.promtail.configFile` is defined.
		'';
		};

		configFile = mkOption {
		type = nullOr path;
		default = null;
		description = ''
		Config file path for Promtail.
		If this option is defined, the value of `services.promtail.configuration` will be ignored.
		'';
		};

		@@ -42,14 +56,14 @@ in {
		stopIfChanged = false;

		preStart = ''
		${lib.getExe pkgs.promtail} -config.file=${prettyJSON cfg.configuration} -check-syntax
		${lib.getExe pkgs.promtail} -config.file=${configFile} -check-syntax
		'';

		serviceConfig = {
		Restart = "on-failure";
		TimeoutStopSec = 10;

		ExecStart = "${pkgs.promtail}/bin/promtail -config.file=${prettyJSON cfg.configuration} ${escapeShellArgs cfg.extraFlags}";
		ExecStart = "${pkgs.promtail}/bin/promtail -config.file=${configFile} ${escapeShellArgs cfg.extraFlags}";

		ProtectSystem = "strict";
		ProtectHome = true;