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

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

** Changed in: nova
    Milestone: None => grizzly-rc1

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https://bugs.launchpad.net/bugs/1155498

Title:
  PowerVM driver spawn failed due to missing attribute
  supported_instances

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  During test in a cross-hypervisor environment (KVM+PowerVM), I ran
  into an issue deploying an instance for Power host by PowerVM driver.
  And I have configured the property "hypervisor_type" for the PowerVM
  image.

  Below is the error log:
  2013-03-15 12:37:03.207 DEBUG nova.scheduler.filters.image_props_filter [req-02c03c76-7ab9-4f7e-b610-ec76879f94b6 d23b99a77d784eb48de60ce44cf95616 5b4c5924656c4daa96f813608fa91a09] Instance contains properties {u'hypervisor_type': u'powervm'}, but no corresponding capabilities are advertised by the compute node _instance_supported /usr/lib/python2.6/site-packages/nova/scheduler/filters/image_props_filter.py:53
  2013-03-15 12:37:03.209 DEBUG nova.scheduler.filters.image_props_filter [req-02c03c76-7ab9-4f7e-b610-ec76879f94b6 d23b99a77d784eb48de60ce44cf95616 5b4c5924656c4daa96f813608fa91a09] (IVM, IVM) ram:65024 disk:410517504 io_ops:0 instances:0 vm_type:all does not support requested instance_properties host_passes /usr/lib/python2.6/site-packages/nova/scheduler/filters/image_props_filter.py:86
  2013-03-15 12:37:03.212 WARNING nova.scheduler.driver [req-02c03c76-7ab9-4f7e-b610-ec76879f94b6 d23b99a77d784eb48de60ce44cf95616 5b4c5924656c4daa96f813608fa91a09] [instance: 58f4af64-6586-4740-b78d-215347a28d22] Setting instance to ERROR state.

  After review the code of PowerVM driver and image_props_filter.py, I
  found the method _update_host_stats of PowerVM driver missing the
  attribute "supported_instances".

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