nixpkgs-suyu/nixos/modules/services/hardware/tlp.nix

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2015-01-02 16:12:11 +01:00
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.tlp;
tlp = pkgs.tlp.override { kmod = config.system.sbin.modprobe; };
confFile = pkgs.writeText "tlp" (builtins.readFile "${tlp}/etc/default/tlp" + cfg.extraConfig);
in
{
###### interface
options = {
services.tlp = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the TLP daemon.";
};
extraConfig = mkOption {
type = types.str;
default = "";
description = "Additional configuration variables for TLP";
};
};
};
###### implementation
config = mkIf cfg.enable {
systemd.services = {
tlp = {
description = "TLP system startup/shutdown";
after = [ "multi-user.target" ];
wantedBy = [ "multi-user.target" ];
before = [ "shutdown.target" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = "${tlp}/bin/tlp init start";
ExecStop = "${tlp}/bin/tlp init stop";
};
};
tlp-sleep = {
description = "TLP suspend/resume";
wantedBy = [ "sleep.target" ];
before = [ "sleep.target" ];
unitConfig = {
StopWhenUnneeded = true;
};
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
ExecStart = "${tlp}/bin/tlp suspend";
ExecStop = "${tlp}/bin/tlp resume";
};
};
};
services.udev.packages = [ tlp ];
environment.etc = [{ source = confFile;
target = "default/tlp";
}
] ++ optional tlp.enableRDW {
source = "${tlp}/etc/NetworkManager/dispatcher.d/99tlp-rdw-nm";
target = "NetworkManager/dispatcher.d/99tlp-rdw-nm";
};
environment.systemPackages = [ tlp ];
};
}