kedifa/updater: Timeout if no response in 10 seconds

kedifa/updater.py

@@ -50,7 +50,8 @@ class Updater(object):
     certificate = ''
     try:
       response = requests.get(
-        url, verify=self.server_ca_certificate_file, cert=self.identity_file)
+        url, verify=self.server_ca_certificate_file, cert=self.identity_file,
+        timeout=10)
     except Exception as e:
       print 'Certificate %r: problem with %r not downloaded: %s' % (
         certificate_file, url, e)