diff options
Diffstat (limited to 'lass')
| -rw-r--r-- | lass/3modules/default.nix | 1 | ||||
| -rw-r--r-- | lass/3modules/power-action.nix | 67 |
2 files changed, 68 insertions, 0 deletions
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix index 380d83a91..b3037205e 100644 --- a/lass/3modules/default.nix +++ b/lass/3modules/default.nix @@ -4,6 +4,7 @@ _: ./ejabberd ./folderPerms.nix ./mysql-backup.nix + ./power-action.nix ./urxvtd.nix ./wordpress_nginx.nix ./xresources.nix diff --git a/lass/3modules/power-action.nix b/lass/3modules/power-action.nix new file mode 100644 index 000000000..fd6dcf57e --- /dev/null +++ b/lass/3modules/power-action.nix @@ -0,0 +1,67 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.lass.power-action; + + out = { + options.lass.power-action = api; + config = mkIf cfg.enable imp; + }; + + api = { + enable = mkEnableOption "power-action"; + user = mkOption { + type = types.user; + default = { + name = "power-action"; + }; + }; + startAt = mkOption { + type = types.str; + default = "*:0/1"; + }; + plans = mkOption { + type = with types; attrsOf (submodule { + options = { + upperLimit = mkOption { + type = int; + }; + lowerLimit = mkOption { + type = int; + }; + action = mkOption { + type = path; + }; + }; + }); + }; + }; + + imp = { + systemd.services.power-action = { + serviceConfig = rec { + ExecStart = startScript; + User = cfg.user; + }; + startAt = cfg.startAt; + }; + users.users.${cfg.user.name} = { + inherit (cfg.user) name uid; + }; + }; + + startScript = pkgs.writeDash "power-action" '' + power="$(${powerlvl})" + ${concatStringsSep "\n" (mapAttrsToList writeRule cfg.plans)} + ''; + + writeRule = _: plan: + "if [ $power -ge ${toString plan.lowerLimit} ] && [ $power -le ${toString plan.upperLimit} ]; then ${plan.action}; fi"; + + powerlvl = pkgs.writeDash "powerlvl" '' + cat /sys/class/power_supply/BAT0/capacity + ''; + +in out |