fix log output message and config parameter for log level

authenticator.py

@@ -27,7 +27,8 @@ def setup_logger():
     ch = logging.StreamHandler()
     ch.setLevel(logging.INFO)
 
-    formatter = logging.Formatter('%(asctime)s - %(name)s- %(levelname)s - %(message)s')
+    formatter = logging.Formatter(
+        '%(asctime)s - %(name)s - %(levelname)s: %(message)s', datefmt='%Y-%m-%d,%H:%M:%S')
     ch.setFormatter(formatter)
     # add handler to logger
     logger.addHandler(ch)
@@ -35,6 +36,28 @@ def setup_logger():
     return logger
 
 
+def set_log_level(config):
+    try:
+        loglevel = str(config.get('LOG', 'LEVEL')).upper()
+    except (configparser.NoSectionError, configparser.NoOptionError) as e:
+        logger.error("Config error: %s" % (e))
+        sys.exit(1)
+
+    if loglevel == 'INFO':
+        level = logging.INFO
+    elif loglevel == 'ERROR':
+        level = logging.ERROR
+    elif loglevel == 'DEBUG':
+        level = logging.DEBUG
+    else:
+        level = logging.INFO
+
+    logger = logging.getLogger('certbot_dns_corenetworks')
+    logger.setLevel(level)
+    for handler in logger.handlers:
+        handler.setLevel(level)
+
+
 def load_config(logger):
     config_path = os.path.join(os.path.expanduser("~"), ".certbot_dns_corenetworks", "config.ini")
 
@@ -181,6 +204,7 @@ def main():
 
     logger = setup_logger()
     config = load_config(logger)
+    set_log_level(config)
 
     # get auth token
     logger.info("Try to get auth token")

example_config.ini

@@ -5,3 +5,6 @@ PASSWORD    = secret
 
 [DNS]
 ZONE        = example.com
+
+[LOG]
+LEVEL       = error