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[Bug 1204714] Re: VlanManager unnecessarly creates fixed_ip quota reservations

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 05 Sep 2013 15:42:19 -0000
Reply-to: Bug 1204714 <1204714@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

** Changed in: nova
    Milestone: None => havana-3

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https://bugs.launchpad.net/bugs/1204714

Title:
  VlanManager unnecessarly creates fixed_ip quota reservations

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  The nova-network VlanManager does not enforce quotas on fixed ips as
  an entire network is assigned to a project. However the VlanManager
  uses its parent class's (NetworkManager) deallocate_fixed_ip function
  which by default will add an entry to the reservation table in the DB
  noting the freeing of the IP.

  Since the VlanManager does not add quota reservations its superfluous
  to note the freeing of the fixed IP in the DB and is a wasted write to
  the DB.

  The VlanManager should be update to avoid quota reservations for
  fixed_ips.

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