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[Bug 1150499] Re: Make services api extension work in cells

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 29 May 2013 10:19:59 -0000
Reply-to: Bug 1150499 <1150499@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: nova
    Milestone: None => havana-1

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https://bugs.launchpad.net/bugs/1150499

Title:
  Make services api extension work in cells

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  The nova api services extension uses the DB directly and therefore
  doesn't work with cells where there are several DBs, not directly
  accessible to the API extension.

  The old archecetecture is:

  api.opentack.compute.contrib.services => DB

  The new archcetecture will be:

  api.opentack.compute.contrib.services =>
    nova.compute.api.HostAPI => DB

  and when cells are being used:

  api.opentack.compute.contrib.services =>
    nova.compute.cells_api.HostAPI =>
      rpc to other cell =>
         compute_api => conductor => DB

  ----

  We need to make the 'index' method and the 'update' methods work.

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