Done stuff

.gitignore

@@ -0,0 +1 @@
+data/

docker-compose.yml

@@ -29,10 +29,22 @@ services:
     container_name: mosquitto
     image: eclipse-mosquitto
     ports: 
-      - 1884:1883
+      - 1883:1883
 
   grafana:
     container_name: grafana
     image: grafana/grafana
     ports: 
       - 3000:3000
+    volumes: 
+      - ./data/grafana:/var/lib/grafana
+
+  mqttinflux:
+    image: mqttinflux
+    build: ./mqttinflux
+    environment: 
+      TOPICS: "sensors"
+      MQTT_HOST: "mosquitto"
+      INFLUX_HOST: "influxdb"
+      INFLUX_DB: "test"
+

mqttinflux/Dockerfile

@@ -0,0 +1,10 @@
+FROM python:slim
+
+ENV MQTT_PORT 1883
+ENV INFLUX_PORT 8086
+
+RUN pip install influxdb paho-mqtt
+
+COPY main.py /main.py
+
+CMD [ "python", "/main.py" ]

mqttinflux/main.py

@@ -0,0 +1,49 @@
+import paho.mqtt.client as mqtt
+from influxdb import InfluxDBClient
+import datetime
+import logging
+import json
+import os
+ 
+ 
+def on_connect(client, userdata, flags, rc):
+    for topic in topics:
+        client.subscribe(topic)
+
+
+def on_message(client, userdata, msg):
+    current_time = datetime.datetime.utcnow().isoformat()
+    data = json.loads(msg.payload)
+    print(data)
+    json_body = [
+        {
+            "measurement": msg.topic,
+            "tags": {},
+            "time": current_time,
+            "fields": data
+        }
+    ]
+    logging.info(json_body)
+    influx_client.write_points(json_body)
+   
+if 'TOPICS' not in os.environ:
+    print("At least one topic is needed.")
+    exit(1)
+topics = os.environ['TOPICS'].split(' ')   
+print(topics)
+
+logging.basicConfig(level=logging.INFO)
+influx_client = InfluxDBClient(os.environ['INFLUX_HOST'], int(os.environ['INFLUX_PORT']), database=os.environ["INFLUX_DB"])
+influx_client.create_database(os.environ["INFLUX_DB"])
+
+
+client = mqtt.Client()
+ 
+client.on_connect = on_connect
+client.on_message = on_message
+ 
+client.connect(os.environ['MQTT_HOST'], int(os.environ["MQTT_PORT"]), 60)
+
+print("Starting")
+ 
+client.loop_forever()

uP/main.py

@@ -0,0 +1,29 @@
+from machine import Pin
+from time import sleep
+import machine
+import dht
+from umqtt.simple import MQTTClient
+import json
+import gc
+
+led = Pin(2, Pin.OUT)
+d = dht.DHT11(Pin(16))
+adc = machine.ADC(0)
+server="10.1.1.162"
+c = MQTTClient("umqtt_client", server)
+gc.enable()
+print(machine.freq())
+
+while True:
+    led(0)
+    d.measure()
+    data = {'temp': d.temperature(), 'humid': d.humidity(),'light': adc.read(), 'id': 1}
+    print(data)
+    led(1)
+    c.connect()
+    c.publish(b"sensors", json.dumps(data))
+    c.disconnect()
+    gc.collect()
+ #   wdt.feed()
+    sleep(2)
+