Copy over other files from christoph

co2ampel-receiver/co2ampel-receiver.py

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+import os
+import paho.mqtt.client as mqtt
+from influxdb import InfluxDBClient
+import json
+
+import logging
+logging.basicConfig(level=logging.DEBUG)
+# mqttc = mqtt.Client("client-id")
+# but note that the client id must be unique on the broker. Leaving the client
+# id parameter empty will generate a random id for you.
+mqttc = mqtt.Client()
+influx_client = InfluxDBClient("localhost", 8086, "co2ampel", "55zP5S5YOS5+zQ==", "co2ampel")
+
+def messageReceived(client, userdata, message):
+    print("received topic" + str(message.topic) + "with payload: " + str(message.payload))
+    sensorId = message.topic.replace("/co2ampel/","")
+    print("sensor id: " + sensorId)
+    message_as_json = json.loads(message.payload.decode("utf-8"))
+    insert_json = [
+    {
+        "measurement": "measurement",
+        "tags": {
+            "sensor": sensorId,
+        },
+        "fields": {
+            "ppmCO2": float(message_as_json["ppmCO2"])
+        }
+    }
+    ]
+    optional_description = message_as_json.get("description")
+    if (optional_description): 
+        insert_json[0]["fields"]["description"]=optional_description
+    
+    optional_temperature = message_as_json.get("temperatur")
+    if(optional_temperature):
+        insert_json[0]["fields"]["temperature"]=optional_temperature
+
+    print("sending")
+
+    print(insert_json)
+    if (influx_client.write_points(insert_json)):
+        print ("insert success")
+    else: 
+        print ("insert fail")
+
+def on_connect(client, userdata, flags, rc):
+    print("Connected with result code "+str(rc))
+    
+    if (rc == 0):
+        print("(Success)")
+    else: 
+        print("(Fail)")
+
+    # Subscribing in on_connect() means that if we lose the connection and
+    # reconnect then subscriptions will be renewed.
+    client.subscribe("/co2ampel/#", 0)
+
+mqttc.username_pw_set("knurps", "LEPEZ1ELYDUmjg")
+mqttc.on_message = messageReceived
+mqttc.on_connect = on_connect
+mqttc.connect("ccc-p.org", 1883, 60)
+
+
+mqttc.loop_forever()

co2ampel-receiver/co2ampel-receiver.service

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+[Unit]
+Description=Sending co2 ampel data to the influx db
+After=multi-user.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/python /usr/bin/co2ampel-receiver
+
+[Install]
+WantedBy=multi-user.target