MQTT over websocket is no longer supported

gmqtt does not support websocket atm

Author: bj00rn

README.md

@@ -46,7 +46,7 @@ The following are the known available endpoints:
 
 | CMD param                         | ENV variable                    | Description                                                                                                                                                                                                                   |
 |-----------------------------------|---------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| -m or --mqtt-uri                  | MQTT_URI                        | URI to the MQTT Server. TCP: tcp://mqtt.eclipseprojects.io:1883, WebSocket: ws://mqtt.eclipseprojects.io:9001 or TLS: tls://mqtt.eclipseprojects.io:8883 - Leave it empty to disable MQTT connection                          |
+| -m or --mqtt-uri                  | MQTT_URI                        | URI to the MQTT Server. TCP: tcp://mqtt.eclipseprojects.io:1883 or TLS: tls://mqtt.eclipseprojects.io:8883 - Leave it empty to disable MQTT connection                          |
 | --mqtt-server-cert                | MQTT_SERVER_CERT                | Path to the server certificate authority file in PEM format is required for TLS                                                                                                                                               |
 | --mqtt-server-cert-check-hostname | MQTT_SERVER_CERT_CHECK_HOSTNAME | Enable or disable TLS certificate hostname checking when using a custom certificate. Enabled (True) by default. Set to False when using a self-signed certificate without a matching hostname. This option might be insecure. |
 | --mqtt-user                       | MQTT_USER                       | MQTT user name                                                                                                                                                                                                                |

src/configuration/__init__.py

@@ -13,7 +13,6 @@ def __init__(self, transport_mechanism: str, with_tls: bool) -> None:
         self.with_tls = with_tls
 
     TCP = "tcp", False
-    WS = "websockets", False
     TLS = "tcp", True
 
 

src/configuration/parser.py

@@ -92,8 +92,6 @@ def __parse_mqtt_transport(args: Namespace, config: Configuration) -> None:
         parse_result = urllib.parse.urlparse(args.mqtt_uri)
         if parse_result.scheme == "tcp":
             config.mqtt_transport_protocol = TransportProtocol.TCP
-        elif parse_result.scheme == "ws":
-            config.mqtt_transport_protocol = TransportProtocol.WS
         elif parse_result.scheme == "tls":
             config.mqtt_transport_protocol = TransportProtocol.TLS
             if args.tls_server_cert_path:

src/publisher/mqtt_publisher.py

@@ -30,7 +30,6 @@ def __init__(self, configuration: Configuration) -> None:
 
         mqtt_client = gmqtt.Client(
             client_id=str(self.publisher_id),
-            transport=self.transport_protocol.transport_mechanism,
             will_message=gmqtt.Message(
                 topic=self.get_topic(mqtt_topics.INTERNAL_LWT, False),
                 payload="offline",