kvm resiliency test: be more tolerant when KVM is not ready yet at start of test.

slapos/resiliencytest/suites/kvm.py

@@ -146,10 +146,17 @@ class KVMTestSuite(ResiliencyTestSuite):
     logger.info('KVM IP is %s.' % self.ip)
 
     for i in range(0, 60):
+      failure = False
+      try:
         connection = urllib.urlopen('http://%s:10080/set?key=%s' % (self.ip, self.key))
         if connection.getcode() is 200:
           break
         else:
+          failure = True
+      except IOError:
+        failure = True
+      finally:
+        if failure:
           logger.info('Impossible to connect to virtual machine to set key. sleeping...')
           time.sleep(60)
       if i is 59: