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[Bug 1397794] Re: Delete instance failed, the task_state stay on deleting and can not revert to none, because the InvalidBDMVolume exception is not handled.

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: "Davanum Srinivas \(DIMS\)" <davanum@xxxxxxxxx>
Date: Sun, 02 Aug 2015 23:28:54 -0000
Reply-to: Bug 1397794 <1397794@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: nova/icehouse
       Status: Confirmed => Invalid

** Changed in: nova/icehouse
       Status: Invalid => Won't Fix

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https://bugs.launchpad.net/bugs/1397794

Title:
  Delete instance failed, the task_state stay on deleting  and can not
  revert to none,  because the InvalidBDMVolume exception is not
  handled.

Status in OpenStack Compute (nova):
  Invalid
Status in OpenStack Compute (nova) icehouse series:
  Won't Fix

Bug description:
  1. Delete instance failed, the task_state stay on deleting  and can
  not revert to none.

  [root@opencos_114_222 ~(keystone_admin)]# nova list
  +--------------------------------------+------+--------+------------+-------------+------------------+
  | ID                                   | Name | Status | Task State | Power State | Networks         |
  +--------------------------------------+------+--------+------------+-------------+------------------+
  | bc177a3d-edf8-4d24-b991-f945a2a44389 | 1    | ERROR  | deleting   | Running     | net1=192.168.0.3 |
  +--------------------------------------+------+--------+------------+-------------+------------------+

  2. The log is as follows:
  2014-12-01 18:43:26.319 3817 INFO nova.compute.manager [-] [instance: bc177a3d-edf8-4d24-b991-f945a2a44389] Service started deleting the instance during the previous run, but did not finish. Restarting the deletion now.
  2014-12-01 18:43:26.596 3817 AUDIT nova.compute.manager [req-dc183820-078a-4098-a7a2-50bbd598e90d None None] [instance: bc177a3d-edf8-4d24-b991-f945a2a44389] Terminating instance
  2014-12-01 18:43:26.619 3817 INFO nova.virt.libvirt.driver [-] [instance: bc177a3d-edf8-4d24-b991-f945a2a44389] Instance destroyed successfully.
  2014-12-01 18:43:27.773 3817 ERROR nova.compute.manager [-] [instance: bc177a3d-edf8-4d24-b991-f945a2a44389] Failed to complete a deletion
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389] Traceback (most recent call last):
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 886, in _init_instance
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     self._delete_instance(context, instance, bdms, quotas)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/hooks.py", line 103, in inner
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     rv = f(*args, **kwargs)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2312, in _delete_instance
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     quotas.rollback()
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     six.reraise(self.type_, self.value, self.tb)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2284, in _delete_instance
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     self._shutdown_instance(context, db_inst, bdms)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2222, in _shutdown_instance
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     requested_networks)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/openstack/common/excutils.py", line 68, in __exit__
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     six.reraise(self.type_, self.value, self.tb)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2212, in _shutdown_instance
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     block_device_info)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 967, in destroy
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     destroy_disks)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 1046, in cleanup
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     volume_meta['properties'] = self._get_volume_metadata(context, connection_info)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]   File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 3082, in _get_volume_metadata
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389]     raise exception.InvalidBDMVolume(id=volume_id)
  2014-12-01 18:43:27.773 3817 TRACE nova.compute.manager [instance: bc177a3d-edf8-4d24-b991-f945a2a44389] InvalidBDMVolume: Block Device Mapping is Invalid: failed to get volume 0facade0-26d8-4aa8-9367-01f11f8a761b.

  3. The exception of InvalidBDMVolume is not handled when it is raised.

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References

[Bug 1397794] [NEW] Delete instance failed, the task_state stay on deleting and can not revert to none, because the InvalidBDMVolume exception is not handled.
From: Rong Han ZTE, 2014-12-01