lwt, location retain, better logging
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parent
744b08450a
commit
9b710ec727
25
lgt92.py
25
lgt92.py
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@ -20,6 +20,7 @@ DST_INFLUX_USER = os.getenv("DST_INFLUX_USER")
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DST_INFLUX_PASS = os.getenv("DST_INFLUX_PASS")
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DST_INFLUX_DB = os.getenv("DST_INFLUX_DB")
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HC_PING_URL = os.getenv("HC_PING_URL")
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VERSION = "V1.1"
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OT_TOPIC="owntracks/tobru/dragino"
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OT_TID="dragino"
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@ -46,7 +47,15 @@ def on_log(client, userdata, level, buf):
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def on_message_ttn(client, userdata, msg):
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data = json.loads(msg.payload)
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logging.info("message from ttn received for %s - #%s", data["dev_id"], data["counter"])
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logging.info("received via gw %s", data["metadata"]["gateways"][0]["gtw_id"])
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# retrieve info about gateway
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gtw_id = data["metadata"]["gateways"][0]["gtw_id"]
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gtw_info = requests.get("https://www.thethingsnetwork.org/gateway-data/gateway/"+gtw_id).json()
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logging.info("received via gw %s, %s, owned by %s",
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data["metadata"]["gateways"][0]["gtw_id"],
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gtw_info[gtw_id]["description"],
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gtw_info[gtw_id]["owner"],
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)
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# max is 4 volts, 3 volts is considered empty
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batpercent = round((data["payload_fields"]["batV"] - 3) * 100)
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@ -68,8 +77,8 @@ def on_message_ttn(client, userdata, msg):
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})
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# publish to owntracks
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logging.info("publishing data to owntracks topic on mqtt")
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client_ot.publish(OT_TOPIC,ot_data)
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logging.info("publishing data to owntracks via mqtt %s", OT_TOPIC)
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client_ot.publish(OT_TOPIC, payload=ot_data, retain=True, qos=1)
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else:
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logging.info("no GPS data / latitude present")
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# set GPS data to 0 for InfluxDB
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@ -122,7 +131,7 @@ if __name__ == '__main__':
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datefmt='%Y-%m-%d %H:%M:%S %Z'
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)
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logging.info("Starting ioteer lgt92. V1.0")
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logging.info("Starting ioteer lgt92. "+VERSION)
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# Prepare InfluxDB
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influxdb = InfluxDBClient(
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@ -135,7 +144,7 @@ if __name__ == '__main__':
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verify_ssl=True,
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)
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# Prepare MQTT
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# Prepare MQTT for The Things Network
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client_ttn = mqtt.Client()
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client_ttn.enable_logger()
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client_ttn.on_connect = on_connect_ttn
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@ -145,6 +154,11 @@ if __name__ == '__main__':
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client_ttn.tls_set()
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client_ttn.connect(SRC_MQTT_HOST, 8883, 60)
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# Prepare MQTT for OwnTracks
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ot_lwt = json.dumps({
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"_type": "lwt",
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"tst": int(datetime.timestamp(datetime.now())),
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})
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client_ot = mqtt.Client()
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client_ot.enable_logger()
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client_ot.on_connect = on_connect_ot
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@ -152,6 +166,7 @@ if __name__ == '__main__':
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client_ot.on_log = on_log
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client_ot.username_pw_set(DST_MQTT_USER,DST_MQTT_PASS)
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client_ot.tls_set()
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client_ot.will_set(OT_TOPIC, payload=ot_lwt, qos=1, retain=True)
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client_ot.connect(DST_MQTT_HOST, 8883, 60)
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try:
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