Revision 7734de0a

b/lib/backend.py
994 994 

  		





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  start = time.time()


  		





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  end = start + timeout


  		





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  sleep_time = 1


  		





  
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  sleep_time = 5


  		





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  tried_once = False


  		





  1000
  
  
    
  while not tried_once and time.time() < end:


  		





  
  1000
  
    
  while time.time() < end:


  		





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    try:


  		





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      hyper.StopInstance(instance, retry=tried_once)


  		





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    except errors.HypervisorError, err:


  		





  ......




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    time.sleep(sleep_time)


  		





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    if instance.name not in hyper.ListInstances():


  		





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      break


  		





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    if sleep_time < 5:


  		





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      # 1.2 behaves particularly good for our case:


  		





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      # it gives us 10 increasing steps and caps just slightly above 5 seconds


  		





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      sleep_time *= 1.2


  		





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  else:


  		





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    # the shutdown did not succeed


  		





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    logging.error("Shutdown of '%s' unsuccessful, forcing", iname)


  		












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