82 lines
2 KiB
Nix
82 lines
2 KiB
Nix
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{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkIf mkOption types;
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cfg = config.hardware.sensor.hddtemp;
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wrapper = pkgs.writeShellScript "hddtemp-wrapper" ''
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set -eEuo pipefail
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file=/var/lib/hddtemp/hddtemp.db
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drives=(${toString (map (e: ''$(realpath ${lib.escapeShellArg e}) '') cfg.drives)})
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cp ${pkgs.hddtemp}/share/hddtemp/hddtemp.db $file
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${lib.concatMapStringsSep "\n" (e: "echo ${lib.escapeShellArg e} >> $file") cfg.dbEntries}
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exec ${pkgs.hddtemp}/bin/hddtemp ${lib.escapeShellArgs cfg.extraArgs} \
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--daemon \
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--unit=${cfg.unit} \
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--file=$file \
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''${drives[@]}
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'';
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in
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{
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meta.maintainers = with lib.maintainers; [ peterhoeg ];
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###### interface
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options = {
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hardware.sensor.hddtemp = {
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enable = mkOption {
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description = ''
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Enable this option to support HDD/SSD temperature sensors.
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'';
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type = types.bool;
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default = false;
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};
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drives = mkOption {
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description = "List of drives to monitor. If you pass /dev/disk/by-path/* entries the symlinks will be resolved as hddtemp doesn't like names with colons.";
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type = types.listOf types.str;
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};
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unit = mkOption {
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description = "Celcius or Fahrenheit";
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type = types.enum [ "C" "F" ];
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default = "C";
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};
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dbEntries = mkOption {
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description = "Additional DB entries";
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type = types.listOf types.str;
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default = [ ];
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};
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extraArgs = mkOption {
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description = "Additional arguments passed to the daemon.";
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type = types.listOf types.str;
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default = [ ];
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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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systemd.services.hddtemp = {
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description = "HDD/SSD temperature";
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "forking";
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ExecStart = wrapper;
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StateDirectory = "hddtemp";
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PrivateTmp = true;
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ProtectHome = "tmpfs";
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ProtectSystem = "strict";
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};
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};
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};
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}
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