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[OpenStack Infra <1660317@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/427974
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=00c0830c3e227b3a278cf10cfd68f724e433f38c
Submitter: Jenkins
Branch:    master

commit 00c0830c3e227b3a278cf10cfd68f724e433f38c
Author: Matt Riedemann <mriedem.os@xxxxxxxxx>
Date:   Wed Feb 1 19:03:03 2017 -0500

    Handle NotImplementedError in _process_instance_vif_deleted_event
    
    The Ironic virt driver does not support attach/detach of VIFs (yet)
    so when Neutron sends an asynchronous event back to Nova that
    VIFs were unplugged on instance delete, we do not need to trace
    all over the logs when the Ironic driver does not implement
    detach_interface().
    
    Change-Id: I6f6533322c1179b3396e56b37c4f3f4228d8da01
    Closes-Bug: #1660317


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1660317

Title:
  NotImplementedError for detach_interface in nova-compute during
  instance deletion

Status in Ironic:
  New
Status in OpenStack Compute (nova):
  Fix Released
Status in ironic package in Ubuntu:
  New

Bug description:
  When baremetal instance deleted there is a harmless but annoying trace
  in nova-compute output.

  nova.compute.manager[26553]: INFO [instance: e265be67-9e87-44ea-95b6-641fc2dcaad8] Terminating instance [req-5f1eba69-239a-4dd4-8677-f28542b190bc 5a08515f35d749068a6327e387ca04e2 7d450ecf00d64399aeb93bc122cb6dae - - -]
  nova.compute.resource_tracker[26553]: INFO Auditing locally available compute resources for node d02c7361-5e3a-4fdf-89b5-f29b3901f0fc [req-d34e2b7b-386f-4a3c-ae85-16860a4a9c28 - - - - -]
  nova.compute.resource_tracker[26553]: INFO Final resource view: name=d02c7361-5e3a-4fdf-89b5-f29b3901f0fc phys_ram=0MB used_ram=8096MB phys_disk=0GB used_disk=480GB total_vcpus=0 used_vcpus=0 pci_stats=[] [req-d34e2b7b-386f-4a3c-ae85-16860a4a9c28 - - - - -]
  nova.compute.resource_tracker[26553]: INFO Compute_service record updated for bare-compute1:d02c7361-5e3a-4fdf-89b5-f29b3901f0fc [req-d34e2b7b-386f-4a3c-ae85-16860a4a9c28 - - - - -]
  nova.compute.manager[26553]: INFO [instance: e265be67-9e87-44ea-95b6-641fc2dcaad8] Neutron deleted interface 6b563aa7-64d3-4105-9ed5-c764fee7b536; detaching it from the instance and deleting it from the info cache [req-fdfeee26-a860-40a5-b2e3-2505973ffa75 11b95cf353f74788938f580e13b652d8 93c697ef6c2649eb9966900a8d6a73d8 - - -]
  oslo_messaging.rpc.server[26553]: ERROR Exception during message handling [req-fdfeee26-a860-40a5-b2e3-2505973ffa75 11b95cf353f74788938f580e13b652d8 93c697ef6c2649eb9966900a8d6a73d8 - - -]
  oslo_messaging.rpc.server[26553]: TRACE Traceback (most recent call last):
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line 133, in _process_incoming
  oslo_messaging.rpc.server[26553]: TRACE     res = self.dispatcher.dispatch(message)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 150, in dispatch
  oslo_messaging.rpc.server[26553]: TRACE     return self._do_dispatch(endpoint, method, ctxt, args)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 121, in _do_dispatch
  oslo_messaging.rpc.server[26553]: TRACE     result = func(ctxt, **new_args)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/exception_wrapper.py", line 75, in wrapped
  oslo_messaging.rpc.server[26553]: TRACE     function_name, call_dict, binary)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
  oslo_messaging.rpc.server[26553]: TRACE     self.force_reraise()
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  oslo_messaging.rpc.server[26553]: TRACE     six.reraise(self.type_, self.value, self.tb)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/exception_wrapper.py", line 66, in wrapped
  oslo_messaging.rpc.server[26553]: TRACE     return f(self, context, *args, **kw)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 6691, in external_instance_event
  oslo_messaging.rpc.server[26553]: TRACE     event.tag)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 6660, in _process_instance_vif_deleted_event
  oslo_messaging.rpc.server[26553]: TRACE     self.driver.detach_interface(instance, vif)
  oslo_messaging.rpc.server[26553]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/virt/driver.py", line 524, in detach_interface
  oslo_messaging.rpc.server[26553]: TRACE     raise NotImplementedError()
  oslo_messaging.rpc.server[26553]: TRACE NotImplementedError
  oslo_messaging.rpc.server[26553]: TRACE

  
  Affected version:
  nova 14.0.3
  neutron 6.0.0
  ironic 6.2.1

  configuration for nova-compute:
  compute_driver = ironic.IronicDriver

  Ironic is configured to use neutron networks with generic switch as
  mechanism driver for ML2 pluging.

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