fix(sdk): throw errors on empty gms server urls (#8017)

metadata-ingestion/src/datahub/emitter/rest_emitter.py

@@ -61,13 +61,13 @@ class DataHubRestEmitter(Closeable):
         retry_max_times: Optional[int] = None,
         extra_headers: Optional[Dict[str, str]] = None,
         ca_certificate_path: Optional[str] = None,
-        server_telemetry_id: Optional[str] = None,
         disable_ssl_verification: bool = False,
     ):
+        if not gms_server:
+            raise ConfigurationError("gms server is required")
         self._gms_server = gms_server
         self._token = token
         self.server_config: Dict[str, Any] = {}
-        self.server_telemetry_id: str = ""
 
         self._session = requests.Session()
 

metadata-ingestion/src/datahub_provider/hooks/datahub.py

@@ -56,7 +56,7 @@ class DatahubRestHook(BaseHook):
         conn: "Connection" = self.get_connection(self.datahub_rest_conn_id)
 
         host = conn.host
-        if host is None:
+        if not host:
             raise AirflowException("host parameter is required")
         if conn.port:
             if ":" in host: