From b5a45961e58a00e20d79dd634fb14c1db2d1c80b Mon Sep 17 00:00:00 2001
From: Viet Hung Nguyen <hvn@robotinfra.com>
Date: Fri, 25 Sep 2015 14:13:07 +0700
Subject: [PATCH] raise exception if keyfile specified but does not exist

help user troubleshooting easier than return None
---
 salt/modules/ddns.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/salt/modules/ddns.py b/salt/modules/ddns.py
index a88afb51f7..e1f50139bf 100644
--- a/salt/modules/ddns.py
+++ b/salt/modules/ddns.py
@@ -63,7 +63,7 @@ def _config(name, key=None, **kwargs):
 
 def _get_keyring(keyfile):
     keyring = None
-    if keyfile and __salt__['file.file_exists'](keyfile):
+    if keyfile:
         with salt.utils.fopen(keyfile) as _f:
             keyring = dns.tsigkeyring.from_text(json.load(_f))
     return keyring