Files
linux_script/fan_hddtemp_exportor.py
2025-01-09 14:40:19 +08:00

128 lines
3.9 KiB
Python
Executable File

#!/usr/bin/python3
import time
import argparse
import subprocess
import socket
import cpufantemp
from prometheus_client import start_http_server, Gauge
DEFAULT_ERROR_HDD_TEMP = -273
DEFAULT_PORT = 8087
DEFAULT_POLLING_INTERVAL = 5
DEFAULT_CONFIGS = {
"port": DEFAULT_PORT,
"polling_interval": DEFAULT_POLLING_INTERVAL
}
def runCmd(cmdString):
result = subprocess.run(cmdString, stdout=subprocess.PIPE, shell=True).stdout.decode('utf-8')
return result
def findHddId():
hddDict = {}
results = runCmd("blkid").split("\n")
for line in results:
if line == "":
continue
hddInfoList = line.split(" ")
if len(hddInfoList) > 1 and hddInfoList[0].startswith("/dev/sd"):
hddName = hddInfoList[0].replace(":", "")
hddDict[hddName] = {}
for hddInfoline in hddInfoList[1:]:
kvList = hddInfoline.split("=")
if len(kvList) > 1:
hddDict[hddName][kvList[0].replace("\"", "")] = kvList[1].replace("\"", "")
return hddDict
def findHddTemp(hddDict):
for hddName in sorted(hddDict.keys()):
cmd = f"smartctl -A {hddName} | grep Temperature_Celsius"
hddTempString = runCmd(cmd)
hddTempList = hddTempString.split(" ")
hddTempList = [item for item in hddTempList if item != ""]
if len(hddTempList) > 9:
hddDict[hddName]["temp"] = int(hddTempList[9])
def getHddTemp():
hddDict = findHddId()
findHddTemp(hddDict)
return hddDict
def collectHddTemp(gaugeDict):
hostname = socket.gethostname()
hddTempDict = getHddTemp()
for hddKey in sorted(hddTempDict.keys()):
hddName = hddKey.replace("/dev/", "")
uuid = hddTempDict[hddKey].get("UUID", "").replace("-", "_")
hddType = hddTempDict[hddKey].get("TYPE", "")
partUuid = hddTempDict[hddKey].get("PARTUUID", "")
hddTemperature = int(hddTempDict[hddKey].get("temp", DEFAULT_ERROR_HDD_TEMP))
gaugeName = f"{hddName}_{hddType}_celsius"
gaugeDescription = f"HDD temperature of {gaugeName}"
## If gauge doesn't exist, create it
gaugeObj = gaugeDict.get(gaugeName, None)
if gaugeObj is None:
gaugeObj = Gauge(gaugeName, gaugeDescription)
gaugeDict[gaugeName] = gaugeObj
gaugeObj.set(hddTemperature)
print(f"{gaugeName} {hddTemperature}°C")
print("")
def collectFanSpeed(gaugeDict):
fanTempDict = cpufantemp.getCpuTempAndFanSpeed()
if "fan" not in fanTempDict:
return
for fanKey in sorted(fanTempDict["fan"].keys()):
fanSpeed = fanTempDict["fan"][fanKey]
gaugeName = f"{fanKey}_rpm"
gaugeDescription = f"Fan RPM of {gaugeName}"
## If gauge doesn't exist, create it
gaugeObj = gaugeDict.get(gaugeName, None)
if gaugeObj is None:
gaugeObj = Gauge(gaugeName, gaugeDescription)
gaugeDict[gaugeName] = gaugeObj
gaugeObj.set(fanSpeed)
print(f"{gaugeName}{fanSpeed:>5} RPM")
print("")
def main(configs):
gaugeDict = {}
pollingInterval = configs.get("polling_interval", DEFAULT_POLLING_INTERVAL)
start_http_server(configs.get("port", DEFAULT_PORT))
while True:
try:
collectHddTemp(gaugeDict)
collectFanSpeed(gaugeDict)
time.sleep(pollingInterval)
except KeyboardInterrupt:
print("\nUser stopped process.")
break
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-p", "--port", type=int, default=DEFAULT_PORT, help="The port of exportor")
parser.add_argument("-i", "--polling_interval", default=DEFAULT_POLLING_INTERVAL, help="Polling interval for collect HDD temperature")
args = parser.parse_args()
DEFAULT_CONFIGS["port"] = args.port
DEFAULT_CONFIGS["polling_interval"] = args.polling_interval
main(DEFAULT_CONFIGS)