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[Bug 1132935] Re: instance actions doesn't work with cells

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 20 Mar 2013 16:06:32 -0000
Reply-to: Bug 1132935 <1132935@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1132935

Title:
  instance actions doesn't work with cells

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  The new instance actions feature and API extension are not designed to
  work with a cells setup.  For example, on a server create:

  1. An action is recorded at the global cell level when the request
  comes in.

  2. The request is eventually routed to the cell level scheduler.

  3. The scheduler will attempt to look up the action in order to record
  the schedule event, but because the action was recorded at the global
  level it will fail to find it and scheduling will error out.

  In the same vein, API requests for a list of actions will query the
  global db for them, not the cell db.  These requests and responses
  need to be routed to the child cell and back.

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