00a4613563
tlp service: add restart on config change
117 lines
2.5 KiB
Nix
117 lines
2.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.tlp;
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enableRDW = config.networking.networkmanager.enable;
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tlp = pkgs.tlp.override {
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inherit enableRDW;
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};
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# XXX: We can't use writeTextFile + readFile here because it triggers
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# TLP build to get the .drv (even on --dry-run).
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confFile = pkgs.runCommand "tlp"
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{ config = cfg.extraConfig;
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passAsFile = [ "config" ];
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}
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''
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cat ${tlp}/etc/default/tlp > $out
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cat $configPath >> $out
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'';
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in
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{
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###### interface
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options = {
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services.tlp = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable the TLP daemon.";
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};
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extraConfig = mkOption {
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type = types.str;
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default = "";
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description = "Additional configuration variables for TLP";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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powerManagement.scsiLinkPolicy = null;
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powerManagement.cpuFreqGovernor = null;
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systemd.services = {
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tlp = {
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description = "TLP system startup/shutdown";
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after = [ "multi-user.target" ];
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wantedBy = [ "multi-user.target" ];
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before = [ "shutdown.target" ];
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restartTriggers = [ confFile ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${tlp}/bin/tlp init start";
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ExecStop = "${tlp}/bin/tlp init stop";
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};
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environment.MODULE_DIR="/run/current-system/kernel-modules/lib/modules/";
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};
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tlp-sleep = {
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description = "TLP suspend/resume";
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wantedBy = [ "sleep.target" ];
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before = [ "sleep.target" ];
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unitConfig = {
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StopWhenUnneeded = true;
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};
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${tlp}/bin/tlp suspend";
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ExecStop = "${tlp}/bin/tlp resume";
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};
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environment.MODULE_DIR="/run/current-system/kernel-modules/lib/modules/";
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};
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};
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services.udev.packages = [ tlp ];
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environment.etc = [{ source = confFile;
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target = "default/tlp";
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}
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] ++ optional enableRDW {
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source = "${tlp}/etc/NetworkManager/dispatcher.d/99tlp-rdw-nm";
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target = "NetworkManager/dispatcher.d/99tlp-rdw-nm";
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};
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environment.systemPackages = [ tlp ];
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boot.kernelModules = [ "msr" ];
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};
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}
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