Add MQTT authentication

main.py

@@ -64,7 +64,19 @@ last_mqtt_attempt = 0
 
 
 def mqtt_init():
-    print("Starting MQTT client")
+    print(f"Connecting MQTT client (host: {mqtt_broker}, prefix: {mqtt_prefix})")
+    username = settings["mqtt"].get("username")
+    password = settings["mqtt"].get("password")
+    if username and password:
+        print(f"Authenticating with MQTT as user '{username}")
+        mqtt = MQTTClient(
+            mqtt_client_id,
+            mqtt_broker,
+            keepalive=MQTT_KEEPALIVE,
+            user=username,
+            password=password,
+        )
+    else:
         mqtt = MQTTClient(mqtt_client_id, mqtt_broker, keepalive=MQTT_KEEPALIVE)
     mqtt.set_callback(on_message)
     mqtt.set_last_will(f"{mqtt_prefix}/status", b"offline", retain=True)

settings.json

@@ -4,11 +4,18 @@
         "password": "job5638pit5614iced"
     },
     "mqtt": {
-        "broker": "192.168.1.183",
-        "prefix": "desk-controls"
+        "broker": "192.168.1.13",
+        "prefix": "desk-controls",
+	"username": "desk-controls",
+	"password": "r9Yh]sKPa2Hw|d0G"
     },
     "home-assistant": {
-        "url": "http://192.168.1.183:8123",
+        "url": "http://192.168.1.13:8123",
         "api_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiI3MGIyZjk0MzZkZDk0ZjNlYTRhMWVlZGRlZWMzMTU5NCIsImlhdCI6MTY5NDUzNjY3NywiZXhwIjoyMDA5ODk2Njc3fQ.uetwuZ9_Szbnuf3vbKTLclBiF24YXLHOiDBswgT8drA"
-    }
+    },
+    "scenes": [
+        "scene.morning_office",
+        "scene.relaxed_office",
+        "scene.bi_office"
+    ]
 }