#197 add docstring

zalando-stups · Aug 2, 2016 · 6cefe29 · 6cefe29
1 parent 61ed0e0
commit 6cefe29
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/senza/traffic.py b/senza/traffic.py
@@ -399,6 +399,9 @@ def inform_sns(arns: list, message: str, region):
 
 
 def resolve_to_ip_addresses(dns_name: str) -> set:
+    """
+    Try to resolve the given DNS name to IPv4 addresses and return empty set on ANY error.
+    """
     try:
         answers = dns.resolver.query(dns_name, 'A')
     except: