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Fancontrol: add test etc from #70933 (#72065)

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* lm_sensors: add fancontrol module + nixos test

fancontrol is a small script that checks temperature sensors and adapts
fan speeds accordingly. It reads a text config file that can be
auto-generated by running the pwmconfig wizard on the live system.
This commit is contained in:
Evils-Devils 2019-10-29 15:06:32 +01:00 committed by markuskowa
parent 14f812aeef
commit 5a78ce30d4
3 changed files with 45 additions and 20 deletions
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39
nixos/modules/services/hardware/fancontrol.nix
View File

@ -4,42 +4,41 @@ with lib;
let
cfg = config.hardware.fancontrol;
configFile = pkgs.writeText "fan.conf" cfg.config;
in {
configFile = pkgs.writeText "fancontrol.conf" cfg.config;
in{
options.hardware.fancontrol = {
enable = mkEnableOption "fancontrol (requires fancontrol.config)";
enable = mkEnableOption "software fan control (requires fancontrol.config)";
config = mkOption {
type = types.lines;
default = null;
type = types.lines;
description = "Fancontrol configuration file content. See <citerefentry><refentrytitle>pwmconfig</refentrytitle><manvolnum>8</manvolnum></citerefentry> from the lm_sensors package.";
example = ''
# Configuration file generated by pwmconfig
INTERVAL=1
DEVPATH=hwmon0=devices/platform/nct6775.656 hwmon1=devices/pci0000:00/0000:00:18.3
DEVNAME=hwmon0=nct6779 hwmon1=k10temp
FCTEMPS=hwmon0/pwm2=hwmon1/temp1_input
FCFANS=hwmon0/pwm2=hwmon0/fan2_input
MINTEMP=hwmon0/pwm2=25
MAXTEMP=hwmon0/pwm2=60
MINSTART=hwmon0/pwm2=25
MINSTOP=hwmon0/pwm2=10
MINPWM=hwmon0/pwm2=0
MAXPWM=hwmon0/pwm2=255
INTERVAL=10
DEVPATH=hwmon3=devices/virtual/thermal/thermal_zone2 hwmon4=devices/platform/f71882fg.656
DEVNAME=hwmon3=soc_dts1 hwmon4=f71869a
FCTEMPS=hwmon4/device/pwm1=hwmon3/temp1_input
FCFANS= hwmon4/device/pwm1=hwmon4/device/fan1_input
MINTEMP=hwmon4/device/pwm1=35
MAXTEMP=hwmon4/device/pwm1=65
MINSTART=hwmon4/device/pwm1=150
MINSTOP=hwmon4/device/pwm1=0
'';
description = "Contents for configuration file. See <citerefentry><refentrytitle>pwmconfig</refentrytitle><manvolnum>8</manvolnum></citerefentry>.";
};
};
config = mkIf cfg.enable {
systemd.services.fancontrol = {
description = "Fan speed control from lm_sensors";
unitConfig.Documentation = "man:fancontrol(8)";
description = "software fan control";
wantedBy = [ "multi-user.target" ];
after = [ "lm_sensors.service" ];
serviceConfig = {
Type = "simple";
ExecStart = "${pkgs.lm_sensors}/bin/fancontrol ${configFile}";
ExecStart = "${pkgs.lm_sensors}/sbin/fancontrol ${configFile}";
};
};
};

1
nixos/tests/all-tests.nix
View File

@ -81,6 +81,7 @@ in
env = handleTest ./env.nix {};
etcd = handleTestOn ["x86_64-linux"] ./etcd.nix {};
etcd-cluster = handleTestOn ["x86_64-linux"] ./etcd-cluster.nix {};
fancontrol = handleTest ./fancontrol.nix {};
ferm = handleTest ./ferm.nix {};
firefox = handleTest ./firefox.nix {};
firewall = handleTest ./firewall.nix {};

25
nixos/tests/fancontrol.nix Normal file
View File

@ -0,0 +1,25 @@
import ./make-test.nix ({ pkgs, ... } : {
name = "fancontrol";
machine =
{ ... }:
{ hardware.fancontrol.enable = true;
hardware.fancontrol.config = ''
INTERVAL=42
DEVPATH=hwmon1=devices/platform/dummy
DEVNAME=hwmon1=dummy
FCTEMPS=hwmon1/device/pwm1=hwmon1/device/temp1_input
FCFANS=hwmon1/device/pwm1=hwmon1/device/fan1_input
MINTEMP=hwmon1/device/pwm1=25
MAXTEMP=hwmon1/device/pwm1=65
MINSTART=hwmon1/device/pwm1=150
MINSTOP=hwmon1/device/pwm1=0
'';
};
# This configuration cannot be valid for the test VM, so it's expected to get an 'outdated' error.
testScript = ''
$machine->waitForUnit("fancontrol.service");
$machine->waitUntilSucceeds("journalctl -eu fancontrol | grep 'Configuration appears to be outdated'");
'';
})