separation of production and development

environments
Adding new migrations for renaming and adding fields
to the database schema
persistent uuid for simclient

simclient/requirements.txt

@@ -1 +1,2 @@
 paho-mqtt
+dotenv

simclient/simclient.py

@@ -142,9 +142,22 @@ def send_discovery(client, client_id, hardware_token, ip_addr):
     logging.info(f"Discovery-Nachricht gesendet: {discovery_msg}")
 
 
+def get_persistent_uuid(uuid_path="/data/client_uuid.txt"):
+    # Prüfe, ob die Datei existiert
+    if os.path.exists(uuid_path):
+        with open(uuid_path, "r") as f:
+            return f.read().strip()
+    # Generiere neue UUID und speichere sie
+    new_uuid = str(uuid.uuid4())
+    os.makedirs(os.path.dirname(uuid_path), exist_ok=True)
+    with open(uuid_path, "w") as f:
+        f.write(new_uuid)
+    return new_uuid
+
+
 def main():
     global discovered
-    client_id = str(uuid.uuid4())
+    client_id = get_persistent_uuid()
     hardware_token = get_hardware_token()
     ip_addr = get_ip()
     client = mqtt.Client(protocol=mqtt.MQTTv311, callback_api_version=2)