From 133dd9fcba3613223553bd79e5ac33764c4f9b2d Mon Sep 17 00:00:00 2001
From: Thomas Waldmann <tw@waldmann-edv.de>
Date: Sat, 29 Sep 2018 00:48:38 +0200
Subject: [PATCH] transform UnknownTSIGKey into DnsUpdateError, fixes #337

this exception is catched in nsupdate.api.views._update_or_delete.
---
 nsupdate/main/dnstools.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nsupdate/main/dnstools.py b/nsupdate/main/dnstools.py
index 4daff10..a6529f1 100644
--- a/nsupdate/main/dnstools.py
+++ b/nsupdate/main/dnstools.py
@@ -214,6 +214,8 @@ def update(fqdn, ipaddr, ttl=60):
         # maybe could be caused by secondary DNS Timeout and master still ok?
         # assume the update is OK...
         ok = True
+    except dns.message.UnknownTSIGKey:
+        raise DnsUpdateError("UnknownTSIGKey")
     if ok:
         # only send an update if the ip really changed as the update
         # causes write I/O on the nameserver and also traffic to the