3 files changed, 72 insertions, 0 deletions
diff --git a/mqtt-client/Dockerfile b/mqtt-client/Dockerfile
new file mode 100644
index 0000000..ad59f9b
--- /dev/null
+++ b/mqtt-client/Dockerfile
@@ -0,0 +1,10 @@
+FROM debian:11-slim
+ENV TZ=Europe/London
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+RUN apt-get update -y
+RUN apt-get install -y python3-pip iputils-ping
+COPY . /app
+WORKDIR /app
+RUN pip3 install -r requirements.txt
+ENTRYPOINT ["python3"]
+CMD ["mqtt-client.py"]
diff --git a/mqtt-client/mqtt-client.py b/mqtt-client/mqtt-client.py
new file mode 100644
index 0000000..9b0df83
--- /dev/null
+++ b/mqtt-client/mqtt-client.py
@@ -0,0 +1,59 @@
+import paho.mqtt.client as paho
+from influxdb_client import InfluxDBClient, Point, WritePrecision
+from influxdb_client.client.write_api import SYNCHRONOUS
+import json
+import os
+
+class MQTTClient:
+    def __init__(self):
+        self.influxc = InfluxDBClient(
+            url = "http://%s:8086" % INFLUXDB_HOST,
+            token = os.environ["DOCKER_INFLUXDB_INIT_ADMIN_TOKEN"],
+            org = os.environ["DOCKER_INFLUXDB_INIT_ORG"] 
+        )
+        self.influxc.ping()
+
+        self.mqttc = paho.Client('power-listener', clean_session = True)
+        self.mqttc.on_connect = self._on_connect_cb
+        self.mqttc.on_message = self._on_message_cb
+
+        self.mqttc.username_pw_set(os.environ["MQTT_USER"], password = os.environ["MQTT_PASSWD"])
+        self.mqttc.connect(MQTT_HOST, 1883, 60)
+        self.mqttc.loop_forever()
+
+    def _on_connect_cb(self, mqtt, userdata, flags, rc):
+        print("Connected to broker")
+        self.mqttc.subscribe("tele/+/SENSOR")
+
+    def _on_message_cb(self, mqtt, userdata, msg):
+        print('Topic: {0} | Message: {1}'.format(msg.topic, msg.payload))
+
+        if "Tasmota" in msg.topic:
+            self.handle_tasmota(msg)
+
+    def handle_tasmota(self, msg):
+        from_ = msg.topic.split("/")[1]
+        msg_j = json.loads(msg.payload.decode())
+        #print(from_)
+        fields = {k: v for k, v in msg_j["ENERGY"].items() if k not in {"TotalStartTime"}}
+        points = [{"measurement": "tasmota_power", "tags": {"plug": from_}, "fields": fields}]
+        write_api = self.influxc.write_api(write_options = SYNCHRONOUS)
+        write_api.write(
+            os.environ["DOCKER_INFLUXDB_INIT_BUCKET"],
+            os.environ["DOCKER_INFLUXDB_INIT_ORG"],
+            points,
+            write_precision = WritePrecision.S
+        )
+
+if __name__ == "__main__":
+    env_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "config.env")
+    if os.path.exists(env_path):
+        import dotenv
+        dotenv.load_dotenv(dotenv_path = env_path)
+        INFLUXDB_HOST = "localhost"
+        MQTT_HOST = "localhost"
+    else:
+        INFLUXDB_HOST = "influxdb"
+        MQTT_HOST = "mqtt"
+
+    mqtt_client = MQTTClient()
diff --git a/mqtt-client/requirements.txt b/mqtt-client/requirements.txt
new file mode 100644
index 0000000..2532957
--- /dev/null
+++ b/mqtt-client/requirements.txt
@@ -0,0 +1,3 @@
+paho-mqtt
+python-dotenv
+influxdb-client