79 lines
2.4 KiB
Nix
79 lines
2.4 KiB
Nix
{config, pkgs, lib, ...}:
|
|
|
|
let
|
|
cfg = config.services.sleep-at-night;
|
|
sleep-if-night = pkgs.writeScriptBin "sleep-if-night" ''
|
|
#!${pkgs.bash}/bin/bash
|
|
wakeupTime="$3"
|
|
shutdownHour="00$1"
|
|
shutdownHour="''${shutdownHour:(-2)}"
|
|
shutdownMinute="00$2"
|
|
shutdownMinute="''${shutdownMinute:(-2)}"
|
|
currentHour="$(${pkgs.coreutils}/bin/date +%H)"
|
|
currentMinute="$(${pkgs.coreutils}/bin/date +%M)"
|
|
if [[ "$currentHour" -eq "$shutdownHour" ]] && [[ "$currentMinute" -eq "$shutdownMinute" ]]
|
|
then
|
|
echo "Shutting down now. Waking up at $wakeupTime".
|
|
${pkgs.utillinux}/bin/rtcwake -m off -t "$(${pkgs.coreutils}/bin/date -d "$wakeupTime" +%s)";
|
|
else
|
|
echo "Current time is $currentHour:$currentMinute. Shutting down at $shutdownHour:$shutdownMinute."
|
|
exit 0
|
|
fi
|
|
'';
|
|
in
|
|
with lib; {
|
|
|
|
options = {
|
|
services.sleep-at-night = {
|
|
|
|
enable = mkOption {
|
|
default = false;
|
|
type = with types; bool;
|
|
description = ''
|
|
Sleep at night.
|
|
If you start the system after the given `shutdown` time, the system will keep running until the `shutdown` time occurs again, even if you start it before the given `wakeup` time.
|
|
'';
|
|
};
|
|
|
|
wakeup = mkOption {
|
|
default = "09:00:00";
|
|
type = with types; str;
|
|
description = ''
|
|
Wake up at given time.
|
|
The time has to be parsable by `date -d`.
|
|
'';
|
|
};
|
|
|
|
shutdown = {
|
|
hour = mkOption {
|
|
default = 01;
|
|
type = with types; ints.between 0 23;
|
|
description = ''
|
|
Shut down at given hour.
|
|
'';
|
|
};
|
|
minute = mkOption {
|
|
default = 00;
|
|
type = with types; ints.between 0 59;
|
|
description = ''
|
|
Shut down at given minute of the given `hour`.
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
systemd.services.sleep-at-night = {
|
|
description = "Sleep at night.";
|
|
serviceConfig = {
|
|
ExecStart = "${sleep-if-night}/bin/sleep-if-night ${toString cfg.shutdown.hour} ${toString cfg.shutdown.minute} ${cfg.wakeup}";
|
|
Restart = "on-success";
|
|
RestartSec = 30;
|
|
User = "root";
|
|
};
|
|
wantedBy = [ "multi-user.target" ];
|
|
};
|
|
};
|
|
|
|
}
|