From 2ded2634bd090dacf54effe51566cd3ab8c3aeaa Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Tue, 26 Jan 2016 14:13:42 +0100
Subject: [PATCH] try to get nicer exception messages when we fail fetching the
 checkip URL

---
 client-scripts/dyn-ns-client | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/client-scripts/dyn-ns-client b/client-scripts/dyn-ns-client
index 175d880..0e96bed 100755
--- a/client-scripts/dyn-ns-client
+++ b/client-scripts/dyn-ns-client
@@ -63,7 +63,11 @@ def getMyIP(family, config, methods = {}, verbose = 0):
         return None
     elif method == 'web':
         server = config[family].get('server', config['DEFAULT']['server'])
-        ip = urlopen('https://'+server+'/checkip', config)
+        url = 'https://'+server+'/checkip'
+        try:
+            ip = urlopen(url, config)
+        except urllib.error.URLError:
+            raise Exception("Error fetching {}, make sure the URL is correct and the internet connection actually works.".format(url))
         if verbose >= VERBOSE_FULL:
             print("Server",server,"says my",family,"is",ip)
         return ip
-- 
2.39.5