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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

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

** Changed in: nova
    Milestone: None => kilo-2

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https://bugs.launchpad.net/bugs/1308171

Title:
  Ironic nova driver should be more efficient with ironic client calls

Status in OpenStack Bare Metal Provisioning Service (Ironic):
  Invalid
Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  When the nova ironic driver makes ironic client calls, it currently
  gets a brand new client for each call. This can be done more
  efficiently by caching the client and re-authenticating as needed
  (e.g., when the auth token expires). With recent changes to the driver
  to cleanup the retry logic, this should be easier to do. [1][2] The
  driver class can contain a single IronicClientWrapper reference to use
  for the client calls, and the IronicClientWrapper object can handle
  caching and reauthenticating as needed.

  [1] https://review.openstack.org/83105
  [2] https://review.openstack.org/86993

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