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[host][linux] Fix #391 retrieve sensors temps on OSes lacking hwmon

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This commit is contained in:
Lomanic 2019-08-18 20:47:58 +02:00
parent 58dc3b28aa
commit c58a1e8ec7
1 changed files with 32 additions and 0 deletions
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32
host/host_linux.go
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@ -460,6 +460,38 @@ func SensorsTemperaturesWithContext(ctx context.Context) ([]TemperatureStat, err
}
var warns Warnings
if len(files) == 0 { // handle distributions without hwmon, like raspbian #391, parse legacy thermal_zone files
files, err = filepath.Glob(common.HostSys("/class/thermal/thermal_zone*/"))
if err != nil {
return temperatures, err
}
for _, file := range files {
// Get the name of the temperature you are reading
name, err := ioutil.ReadFile(filepath.Join(file, "type"))
if err != nil {
warns.Add(err)
continue
}
// Get the temperature reading
current, err := ioutil.ReadFile(filepath.Join(file, "temp"))
if err != nil {
warns.Add(err)
continue
}
temperature, err := strconv.ParseInt(strings.TrimSpace(string(current)), 10, 64)
if err != nil {
warns.Add(err)
continue
}
temperatures = append(temperatures, TemperatureStat{
SensorKey: strings.TrimSpace(string(name)),
Temperature: float64(temperature) / 1000.0,
})
}
return temperatures, warns.Reference()
}
// example directory
// device/ temp1_crit_alarm temp2_crit_alarm temp3_crit_alarm temp4_crit_alarm temp5_crit_alarm temp6_crit_alarm temp7_crit_alarm
// name temp1_input temp2_input temp3_input temp4_input temp5_input temp6_input temp7_input