Synnefo » snf-ganeti

def PowercycleNode(hypervisor_type):

  """Hard-powercycle the node.

  Because we need to return first, and schedule the powercycle in the

  background, we won't be able to report failures nicely.

  """

  hyper = hypervisor.GetHypervisor(hypervisor_type)

  try:

    pid = os.fork()

  except OSError, err:

    # if we can't fork, we'll pretend that we're in the child process

    pid = 0

  if pid > 0:

    return (True, "Reboot scheduled in 5 seconds")

  time.sleep(5)

  hyper.PowercycleNode()