auto restart nginx on letsencrypt renew

filter_plugins/filters.py

@@ -12,6 +12,7 @@ class FilterModule(object):
 				continue
 			certs['nginx_'+i] = {
 					'backend': 'letsencrypt',
-					'san': vhosts[i]['servername']
+					'san': vhosts[i]['servername'],
+					'depending_services': ['nginx']
 				}
 		return certs