59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
import time
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import json
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import os
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import logging
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from opentsdb import TSDBClient
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import paho.mqtt.client as mqtt
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logging.basicConfig(level=logging.INFO)
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MQTT_PREFIX = 'zigbee2mqtt/'
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WANTED_PAYLOAD_KEYS = ['temperature', 'humidity', 'linkquality', 'temperature', 'pressure']
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tsdb = TSDBClient(uri=os.environ['OPENTSDB_URL'])
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def on_connect(client, userdata, flags, rc):
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client.subscribe(MQTT_PREFIX + "#")
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def on_message(client, userdata, msg):
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name = msg.topic.removeprefix(MQTT_PREFIX)
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try:
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payload = json.loads(msg.payload.decode())
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except Exception as e:
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print(e)
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return
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save_message(name, payload)
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def save_message(name, payload):
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now = int(time.time())
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for key in WANTED_PAYLOAD_KEYS:
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if key in payload:
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value = payload[key]
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print(f'SAVE {name}/{key} -> {value}')
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send_tsdb(key, value, {'device': name, 'timestamp': now})
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def send_tsdb(key: str, value: float, tags: dict[str, str]):
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metric = 'fvd-temp.'+key
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tsdb.send(metric, value, **tags)
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client = mqtt.Client()
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client.on_connect = on_connect
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client.on_message = on_message
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client.connect(os.environ['MQTT_HOST'], 1883, 60)
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# Blocking call that processes network traffic, dispatches callbacks and
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# handles reconnecting.
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# Other loop*() functions are available that give a threaded interface and a
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# manual interface.
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client.loop_forever()
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