142 lines
5.0 KiB
Python
Executable File
142 lines
5.0 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Copyright (c) 2010-2013 Roger Light <roger@atchoo.org>
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#
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# All rights reserved. This program and the accompanying materials
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# are made available under the terms of the Eclipse Distribution License v1.0
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# which accompanies this distribution.
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#
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# The Eclipse Distribution License is available at
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# http://www.eclipse.org/org/documents/edl-v10.php.
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#
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# Contributors:
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# Roger Light - initial implementation
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# Copyright (c) 2010,2011 Roger Light <roger@atchoo.org>
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# All rights reserved.
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# This shows a simple example of an MQTT subscriber.
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import signal
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import sys
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import json
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import datetime
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import paho.mqtt.client as mqtt
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import requests
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def signal_handler(sig, frame):
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mqttc.disconnect()
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sys.exit(0)
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prefix = 'home/rtl_433'
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vmhost = 'localhost'
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mqtthost = 'localhost'
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#prefix = 'rtl_433/fedora'
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TAGS_KEYS = ['type','model','subtype','channel','id']
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DELAYRECORD = 300
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MINTS = 1735686000 # 01/01/2025 00:00:00
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recorddb = {}
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def on_connect(mqttc, obj, flags, rc):
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print("rc: " + str(rc))
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def create_measure(name, timestamp, tags, value):
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#jsonmeasure = { "metric": { "__name__": name, "instance": "rtl433", "job": "rtl433tovm" }, "values": [value], "timestamps":[timestamp*1000] }
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jsonmeasure = { "metric": { "__name__": name }, "values": [value], "timestamps":[timestamp*1000] }
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jsonmeasure["metric"].update(tags)
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return json.dumps(jsonmeasure) + '\n'
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def on_message(mqttc, obj, msg):
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#print(msg.topic + " " + str(msg.qos) + " " + str(msg.payload))
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currentts=int(datetime.datetime.now(datetime.UTC).timestamp())
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jsonin=json.loads(msg.payload)
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ref=""
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if "model" in jsonin:
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ref+=str(jsonin["model"])
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if "channel" in jsonin:
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ref+=str(jsonin["channel"])
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if "id" in jsonin:
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ref+=str(jsonin["id"])
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if ref not in recorddb:
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recorddb[ref] = {}
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recorddb[ref]["lastsend"]=0
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if currentts > MINTS and (currentts < recorddb[ref]["lastsend"] or currentts > (recorddb[ref]["lastsend"] + DELAYRECORD)):
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tags = {}
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for t in TAGS_KEYS:
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if t in jsonin:
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tags[t] = str(jsonin[t])
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measures = ""
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measuresnb = 0
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if 'temperature_C' in jsonin:
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value = float(jsonin['temperature_C'])
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measures += create_measure("temperature", currentts, tags, value)
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if 'temperature' not in recorddb[ref] or recorddb[ref]['temperature'] != value:
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measuresnb += 1
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recorddb[ref]['temperature'] = value
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if 'humidity' in jsonin:
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value = int(jsonin['humidity'])
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measures += create_measure("humidity", currentts, tags, value)
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if 'humidity' not in recorddb[ref] or recorddb[ref]['humidity'] != value:
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measuresnb += 1
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recorddb[ref]['humidity'] = value
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if 'moisture' in jsonin:
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value = int(jsonin['moisture'])
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measures += create_measure("moisture", currentts, tags, value)
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if 'moisture' not in recorddb[ref] or recorddb[ref]['moisture'] != value:
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measuresnb += 1
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recorddb[ref]['moisture'] = value
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if 'rain_mm' in jsonin:
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value = float(jsonin['rain_mm'])
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measures += create_measure("rain", currentts, tags, value)
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if 'rain' not in recorddb[ref] or recorddb[ref]['rain'] != value:
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measuresnb += 1
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recorddb[ref]['rain'] = value
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if 'pressure' in jsonin:
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value = float(jsonin['pressure'])
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measures += create_measure("pressure", currentts, tags, value)
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if 'pressure' not in recorddb[ref] or recorddb[ref]['pressure'] != value:
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measuresnb += 1
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recorddb[ref]['pressure'] = value
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if 'battery_ok' in jsonin:
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value = int(jsonin['battery_ok'])
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measures += create_measure("battery_ok", currentts, tags, value)
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if 'battery_ok' not in recorddb[ref] or recorddb[ref]['battery_ok'] != value:
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measuresnb += 1
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recorddb[ref]['battery_ok'] = value
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if measuresnb > 0:
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recorddb[ref]["lastsend"] = currentts
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#print(measures)
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try:
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requests.post("http://{}:8428/api/v1/import".format(vmhost), data=measures)
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except:
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print("VictoriaMetrics communication error")
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def on_subscribe(mqttc, obj, mid, granted_qos):
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print("Subscribed: " + str(mid) + " " + str(granted_qos))
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signal.signal(signal.SIGINT, signal_handler)
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# If you want to use a specific client id, use
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# mqttc = mqtt.Client("client-id")
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# but note that the client id must be unique on the broker. Leaving the client
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# id parameter empty will generate a random id for you.
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mqttc = mqtt.Client()
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mqttc.on_message = on_message
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mqttc.on_connect = on_connect
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mqttc.on_subscribe = on_subscribe
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# Uncomment to enable debug messages
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# mqttc.on_log = on_log
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mqttc.connect(mqtthost, 1883, 60)
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mqttc.subscribe(prefix+"/events", 0)
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mqttc.loop_forever()
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