add logging

scripts/uncloud

@@ -11,17 +11,7 @@ from uncloud.common import settings
 from uncloud import UncloudException
 from uncloud.common.cli import resolve_otp_credentials
 
-
-def exception_hook(exc_type, exc_value, exc_traceback):
-    logging.getLogger(__name__).error(
-        'Uncaught exception',
-        exc_info=(exc_type, exc_value, exc_traceback)
-    )
-
-
-sys.excepthook = exception_hook
-
-# the components that use etcd
+# Components that use etcd
 ETCD_COMPONENTS = ['api', 'scheduler', 'host', 'filescanner',
                    'imagescanner', 'metadata', 'configure', 'hack']
 
@@ -30,10 +20,6 @@ ALL_COMPONENTS = ETCD_COMPONENTS.copy()
 
 
 if __name__ == '__main__':
-    # Setting up root logger
-    logger = logging.getLogger()
-    logger.setLevel(logging.DEBUG)
-
     arg_parser = argparse.ArgumentParser()
     subparsers = arg_parser.add_subparsers(dest='command')
 
@@ -84,11 +70,18 @@ if __name__ == '__main__':
         mod = importlib.import_module('uncloud.{}.main'.format(name))
         main = getattr(mod, 'main')
 
+        if arguments['debug']:
+            logging.basicConfig(level=logging.DEBUG)
+        else:
+            logging.basicConfig(level=logging.INFO)
+
+        log = logging.getLogger()
+
         try:
             main(arguments)
         except UncloudException as err:
-            logger.error(err)
+            log.error(err)
 #        except ConnectionFailedError as err:
-#            logger.error('Cannot connect to etcd: {}'.format(err))
+#            log.error('Cannot connect to etcd: {}'.format(err))
         except Exception as err:
-            logger.exception(err)
+            log.exception(err)