Silent option for cron

dnsupdate.py

@@ -31,7 +31,7 @@ def update_or_create_record_for_zone(driver, zone, name, type, ip):
 
 def run_config(config):
 	cls = get_driver(Provider.AURORADNS)
-	print(config)
+	# logger.debug("Config {}".format(config))
 
 	ipv6 = requests.get('http://ip6only.me/api').text.split(',')[1] 
 	logger.info("IPv6: {}".format(ipv6))
@@ -68,10 +68,18 @@ if __name__ == '__main__':
 		'-v',
 		action='store_true'
 	)
+	argParser.add_argument(
+		'--silent',
+		'-s',
+		action='store_true',
+		help="Only log on warning (decreases verbosity). For use with cron."
+	)
 
 	args = argParser.parse_args()
+
+	logLevel = logging.DEBUG if args.verbose else (logging.WARNING if args.silent else logging.INFO)
 	
-	logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
+	logging.basicConfig(level=logLevel)
 
 	with open(args.config, 'r') as fp:
 		config = yaml.load(fp)