Allow lower verbosity level for api server

Not logging all calls makes sense when running the UI
otherwise this is VERY verbose, clogging up the log.

freqtrade/constants.py

@@ -221,6 +221,7 @@ CONF_SCHEMA = {
                 },
                 'username': {'type': 'string'},
                 'password': {'type': 'string'},
+                'verbosity': {'type': 'string', 'enum': ['error', 'info']},
             },
             'required': ['enabled', 'listen_ip_address', 'listen_port', 'username', 'password']
         },

freqtrade/loggers.py

@@ -11,7 +11,7 @@ from freqtrade.exceptions import OperationalException
 logger = logging.getLogger(__name__)
 
 
-def _set_loggers(verbosity: int = 0) -> None:
+def _set_loggers(verbosity: int = 0, api_verbosity: str = 'info') -> None:
     """
     Set the logging level for third party libraries
     :return: None
@@ -28,6 +28,10 @@ def _set_loggers(verbosity: int = 0) -> None:
     )
     logging.getLogger('telegram').setLevel(logging.INFO)
 
+    logging.getLogger('werkzeug').setLevel(
+        logging.ERROR if api_verbosity == 'error' else logging.INFO
+    )
+
 
 def setup_logging(config: Dict[str, Any]) -> None:
     """
@@ -77,5 +81,5 @@ def setup_logging(config: Dict[str, Any]) -> None:
         format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
         handlers=log_handlers
     )
-    _set_loggers(verbosity)
+    _set_loggers(verbosity, config.get('api_server', {}).get('verbosity', 'info'))
     logger.info('Verbosity set to %s', verbosity)

freqtrade/rpc/api_server.py

@@ -360,7 +360,6 @@ class ApiServer(RPC):
         Returns a cumulative profit statistics
         :return: stats
         """
-        logger.info("LocalRPC - Profit Command Called")
 
         stats = self._rpc_trade_statistics(self._config['stake_currency'],
                                            self._config.get('fiat_display_currency')
@@ -377,8 +376,6 @@ class ApiServer(RPC):
         Returns a cumulative performance statistics
         :return: stats
         """
-        logger.info("LocalRPC - performance Command Called")
-
         stats = self._rpc_performance()
 
         return self.rest_dump(stats)