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import paho.mqtt.client as paho
from influxdb_client import InfluxDBClient, Point, WritePrecision
from influxdb_client.client.write_api import SYNCHRONOUS
import prometheus_client
import threading
import time
import json
import sys
import os
sys.path.insert(1, os.path.join(os.path.dirname(__file__), "TasmotaCLI"))
import tasmotaMQTTClient
class MQTTClient:
def __init__(self, mqtt_client_name = "reg.reaweb.uk/mqtt-client", loop_forever = True):
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.tasmota_power_prom = prometheus_client.Gauge(
"tasmota_power",
"Power metrics as reported by Tasmota-flashed plugs",
labelnames = ["plug", "field"]
)
self.humidity_prom = prometheus_client.Gauge(
"humidity",
"Humidity as reported by a zigbee device over MQTT",
labelnames = ["location"]
)
self.temperature_prom = prometheus_client.Gauge(
"temperature",
"Temperature as reported by a zigbee device over MQTT",
labelnames = ["location"]
)
self.doorsensor_prom = prometheus_client.Enum(
"door_sensor",
"Door sensor state change as reported by zigbee door sensor over MQTT",
states = ["opened", "closed"],
labelnames = ["location"]
)
self.door_opened_counter = prometheus_client.Counter(
"door_opened",
"Door sensor opened as reported by zigbee door sensor over MQTT",
labelnames = ["location"]
)
self.mqttc = paho.Client(mqtt_client_name, clean_session = True)
if loop_forever:
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)
if loop_forever:
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))
# my MQTT naming scheme is tele/<sensor type>/<specific sensor location>/<whatever>
# e.g.
# tele/TasmotaPlug/TasmotaNAS/SENSOR
# tele/TasmotaZigbee/TasmotaZigbee/SENSOR (there is only one Tasmota Zigbee bridge)
type_ = msg.topic.split("/")[1]
location = msg.topic.split("/")[2]
msg_j = json.loads(msg.payload.decode())
if type_ == "TasmotaPlug":
self.handle_plug(msg_j, location)
elif type_ == "TasmotaZigbee":
self.handle_zigbee(msg_j)
def handle_plug(self, msg_j, location):
print("'%s' is using %.1fw @ %s. %.1fkWh so far today, %.1fkWh yesterday" % (location, msg_j["ENERGY"]["Power"], msg_j["Time"], msg_j["ENERGY"]["Today"], msg_j["ENERGY"]["Yesterday"]))
fields = {k: v for k, v in msg_j["ENERGY"].items() if k not in {"TotalStartTime"}}
self.append_influxdb(fields, "tasmota_power", {"plug": location})
for k, v in fields.items():
self.tasmota_power_prom.labels(plug = location, field = k).set(v)
def handle_zigbee(self, msg_j):
def toggle_geoffery():
print("Starting thread...")
tasmotaMQTTClient.MQTTClient(MQTT_HOST, "TasmotaGeoffery", os.environ["MQTT_USER"], os.environ["MQTT_PASSWD"], "OFF")
print("Waiting...")
time.sleep(8)
tasmotaMQTTClient.MQTTClient(MQTT_HOST, "TasmotaGeoffery", os.environ["MQTT_USER"], os.environ["MQTT_PASSWD"], "ON")
zigbee_id = list(msg_j["ZbReceived"].keys())[0]
fields = msg_j["ZbReceived"][zigbee_id]
friendlyname = fields.pop("Name")
del fields["Device"]
print("Zigbee device '%s' reported: %s" % (friendlyname, str(fields)))
if "Read" not in fields.keys():
self.append_influxdb(fields, "zigbee", {"friendlyname": friendlyname, "id": zigbee_id})
if zigbee_id == "0x7327" and friendlyname == "TVButton" and "Power" in fields.keys():
if fields["Power"] == 2:
print("TV Zigbee button pressed, toggling TasmotaTV Tasmota Plug")
self.toggle_plug("TasmotaTV")
threading.Thread(target = toggle_geoffery, args = ()).start()
if zigbee_id == "0x74B3" and friendlyname == "HarveyButton" and "Power" in fields.keys():
if fields["Power"] == 2:
print("Harvey's button pressed, toggling TasmotaHarveyPC Plug")
self.toggle_plug("TasmotaHarveyPC")
if "Humidity" in fields.keys():
self.humidity_prom.labels(location = friendlyname).set(fields["Humidity"])
elif "Temperature" in fields.keys():
self.temperature_prom.labels(location = friendlyname).set(fields["Temperature"])
elif "ZoneStatus" in fields.keys() and "Contact" in fields.keys():
if fields["ZoneStatus"] == 1 and fields["Contact"] == 1:
self.doorsensor_prom.labels(location = friendlyname).state("opened")
self.door_opened_counter.labels(location = friendlyname).inc()
elif fields["ZoneStatus"] == 0 and fields["Contact"] == 0:
self.doorsensor_prom.labels(location = friendlyname).state("closed")
def set_plug(self, friendlyname, payload):
t = "cmnd/TasmotaPlug/%s/Power" % friendlyname
self.mqttc.publish(t, payload = payload)
print("Send payload '%s' to %s" % (payload, t))
def toggle_plug(self, friendlyname):
self.set_plug(friendlyname, "TOGGLE")
def append_influxdb(self, fields, measurement_name, tags):
points = [{"measurement": measurement_name, "tags": tags, "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 = "dns.athome"
MQTT_HOST = "dns.athome"
PROM_HOST = "dns.athome"
else:
INFLUXDB_HOST = "influxdb"
MQTT_HOST = "mqtt"
PROM_HOST = "prometheus"
prometheus_client.start_http_server(8000)
mqtt_client = MQTTClient()
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