DHT data as Prometheus metrics

dht.py

#!/usr/bin/env python3
import sys
import Adafruit_DHT
from prometheus_client import start_http_server, Gauge
import time
import logging
import logging.handlers

logging.basicConfig(level=logging.NOTSET)

t = Gauge('temperature', 'Temperature', ['room', 'location'])
h = Gauge('humidity', 'Humidity', ['room', 'location'])

logging.info('Starting exporter daemon')
start_http_server(9000)
while True:
    logging.info('Reading the sensor')
    humidity, temperature = Adafruit_DHT.read_retry(11, 4)
    t.labels(room='living', location='home').set(temperature)
    h.labels(room='living', location='home').set(humidity)
    time.sleep(5)