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[javeme <javaloveme@xxxxxxxxx>]

Public bug reported:

Almost all of the async operations will update the task state, but the
confirm_resize does not.

That would cause some trouble: our timer in the browser updates the instances based on the task state until it becomes none,
if the task state is none(any task is completed), we believe the status of an instance is stable, and there is no need to refresh the instance. But at the beginning of the confirm_resize, we did not update the task status, and the task state is still none,
so it cause we cannot know when it's completed unless we poll all of the instances of any state.

Moreover it should be at least consistent with the revert_resize,and the
state RESIZE_CONFIRMING has been defined but not used.

** Affects: nova
     Importance: Undecided
     Assignee: javeme (javaloveme)
         Status: New

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https://bugs.launchpad.net/bugs/1515476

Title:
  Lack of task status updates at the beginning of the action
  'confirm_resize'

Status in OpenStack Compute (nova):
  New

Bug description:
  Almost all of the async operations will update the task state, but the
  confirm_resize does not.

  That would cause some trouble: our timer in the browser updates the instances based on the task state until it becomes none,
  if the task state is none(any task is completed), we believe the status of an instance is stable, and there is no need to refresh the instance. But at the beginning of the confirm_resize, we did not update the task status, and the task state is still none,
  so it cause we cannot know when it's completed unless we poll all of the instances of any state.

  Moreover it should be at least consistent with the revert_resize,and
  the state RESIZE_CONFIRMING has been defined but not used.

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