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

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

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

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https://bugs.launchpad.net/bugs/1367349

Title:
  ironic: Not listing all nodes registered in Ironic due pagination

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  Ironic API supports pagination and limit the number of items returned
  by the API based on a config option called ''max_limit", by default a
  max of 1000 items is returned per request [1].

  The Ironic client library by default respect that limit, so when the
  Nova Ironic driver list the nodes for reasons like verifying how many
  resources  we have available etc... We can hit that limit and the
  wrong information will be passed to nova.

  Luckly, the ironic client supports passing a limit=0 flag when listing
  resources as an indicator to the lib to continue pagination until
  there're no more resources to be returned [2]. We need to update the
  calls in the Nova Ironic driver to make sure we get all items from the
  API when needed.

   [1] https://github.com/openstack/ironic/blob/master/ironic/api/__init__.py#L26-L29
   [2] https://github.com/openstack/python-ironicclient/blob/master/ironicclient/v1/node.py#L52

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