diff options
| -rw-r--r-- | requirements.txt | 2 | ||||
| -rw-r--r-- | temperature_humidity_prometheus_exporter.py | 43 |
2 files changed, 45 insertions, 0 deletions
diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..0f3b91c --- /dev/null +++ b/requirements.txt @@ -0,0 +1,2 @@ +adafruit-circuitpython-dht~=.0 +prometheus-client~=0.20
\ No newline at end of file diff --git a/temperature_humidity_prometheus_exporter.py b/temperature_humidity_prometheus_exporter.py new file mode 100644 index 0000000..06d2bec --- /dev/null +++ b/temperature_humidity_prometheus_exporter.py @@ -0,0 +1,43 @@ +import time +import board + +import adafruit_dht +import prometheus_client + +# Initial the dht device, with data pin connected to: +dhtDevice = adafruit_dht.DHT11(board.D4) + + +def get_humidity() -> int: + while True: + try: + humidity_r = dhtDevice.humidity + return humidity_r + except RuntimeError as error: # Errors happen fairly often, DHT's are hard to read, just keep going + print(error.args[0]) + + +def get_temperature() -> int: + while True: + try: + temperature_c = dhtDevice.temperature + return temperature_c + except RuntimeError as error: # Errors happen fairly often, DHT's are hard to read, just keep going + print(error.args[0]) + + +prometheus_client.REGISTRY.unregister(prometheus_client.GC_COLLECTOR) +prometheus_client.REGISTRY.unregister(prometheus_client.PLATFORM_COLLECTOR) +prometheus_client.REGISTRY.unregister(prometheus_client.PROCESS_COLLECTOR) + +temperature_guage = prometheus_client.Gauge('temperature', 'Current temperature, degrees centigrade') +humidity_guage = prometheus_client.Gauge('humidity', 'Current humidity, relative percentage') + +temperature_guage.set_function(get_temperature) +humidity_guage.set_function(get_humidity) + +if __name__ == '__main__': + # Start up the server to expose the metrics. + prometheus_client.start_http_server(8000) + while True: + time.sleep(10) |