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[Bug 1367845] [NEW] Traceback is logged when delete an instance.

 

Public bug reported:

OpenStack version: Icehouse

Issue: traceback is logged in nova-compute.log when delete an instance.

Setup: 3 nodes, namely Controller, Compute and Network; with nova-
compute running solely on Compute node.

Steps to reproduce:
1. Create an instance using image cirrus 0.3.2.
2. Verify instance is running: nova list
3. Delete the instance: nova delete <name>
4. Check nova-compute.log at Compute node.

root@Controller:/home/guest# nova --version
2.17.0
root@Controller:/home/guest# nova service-list
+------------------+------------+----------+---------+-------+----------------------------+-----------------+
| Binary           | Host       | Zone     | Status  | State | Updated_at                 | Disabled Reason |
+------------------+------------+----------+---------+-------+----------------------------+-----------------+
| nova-cert        | Controller | internal | enabled | up    | 2014-09-10T17:12:34.000000 | -               |
| nova-conductor   | Controller | internal | enabled | up    | 2014-09-10T17:12:26.000000 | -               |
| nova-consoleauth | Controller | internal | enabled | up    | 2014-09-10T17:12:28.000000 | -               |
| nova-scheduler   | Controller | internal | enabled | up    | 2014-09-10T17:12:31.000000 | -               |
| nova-compute     | Compute    | nova     | enabled | up    | 2014-09-10T17:12:34.000000 | -               |
+------------------+------------+----------+---------+-------+----------------------------+-----------------+
root@Controller:/home/guest# nova boot --image cirros-0.3.2-x86_64 --flavor 1 --nic net-id=75375f9b-0f26-4e1a-aedc-24457192f265 cirros
+--------------------------------------+------------------------------------------------------------+
| Property                             | Value                                                      |
+--------------------------------------+------------------------------------------------------------+
| OS-DCF:diskConfig                    | MANUAL                                                     |
| OS-EXT-AZ:availability_zone          | nova                                                       |
| OS-EXT-SRV-ATTR:host                 | -                                                          |
| OS-EXT-SRV-ATTR:hypervisor_hostname  | -                                                          |
| OS-EXT-SRV-ATTR:instance_name        | instance-00000046                                          |
| OS-EXT-STS:power_state               | 0                                                          |
| OS-EXT-STS:task_state                | scheduling                                                 |
| OS-EXT-STS:vm_state                  | building                                                   |
| OS-SRV-USG:launched_at               | -                                                          |
| OS-SRV-USG:terminated_at             | -                                                          |
| accessIPv4                           |                                                            |
| accessIPv6                           |                                                            |
| adminPass                            | jFmNDB5Jsd77                                               |
| config_drive                         |                                                            |
| created                              | 2014-09-10T17:13:06Z                                       |
| flavor                               | m1.tiny (1)                                                |
| hostId                               |                                                            |
| id                                   | bc01c570-c40f-4088-a17c-0278fc6c3315                       |
| image                                | cirros-0.3.2-x86_64 (38f00c62-f9df-4133-abf2-7c9ba948d414) |
| key_name                             | -                                                          |
| metadata                             | {}                                                         |
| name                                 | cirros                                                     |
| os-extended-volumes:volumes_attached | []                                                         |
| progress                             | 0                                                          |
| security_groups                      | default                                                    |
| status                               | BUILD                                                      |
| tenant_id                            | 73a095bf078443c9b340d871deaabcc3                           |
| updated                              | 2014-09-10T17:13:06Z                                       |
| user_id                              | 77bdd3f911744f72af7038d40d722439                           |
+--------------------------------------+------------------------------------------------------------+
root@Controller:/home/guest# nova list
+--------------------------------------+--------+--------+------------+-------------+---------------------+
| ID                                   | Name   | Status | Task State | Power State | Networks            |
+--------------------------------------+--------+--------+------------+-------------+---------------------+
| bc01c570-c40f-4088-a17c-0278fc6c3315 | cirros | ACTIVE | -          | Running     | int-net=172.16.1.48 |
+--------------------------------------+--------+--------+------------+-------------+---------------------+
root@Controller:/home/guest# nova delete cirros
root@Controller:/home/guest# nova list
+----+------+--------+------------+-------------+----------+
| ID | Name | Status | Task State | Power State | Networks |
+----+------+--------+------------+-------------+----------+
+----+------+--------+------------+-------------+----------+
root@Controller:/home/guest# 


Snippet of nova-compute.log:

2014-09-10 13:13:06.521 1893 AUDIT nova.compute.manager [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Starting instance...
2014-09-10 13:13:06.607 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Attempting claim: memory 512 MB, disk 1 GB, VCPUs 1
2014-09-10 13:13:06.610 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Total memory: 7985 MB, used: 512.00 MB
2014-09-10 13:13:06.611 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] memory limit: 11977.50 MB, free: 11465.50 MB
2014-09-10 13:13:06.611 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Total disk: 9 GB, used: 0.00 GB
2014-09-10 13:13:06.612 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] disk limit not specified, defaulting to unlimited
2014-09-10 13:13:06.612 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Total CPUs: 1 VCPUs, used: 0.00 VCPUs
2014-09-10 13:13:06.612 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] CPUs limit not specified, defaulting to unlimited
2014-09-10 13:13:06.613 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Claim successful
2014-09-10 13:13:07.044 1893 INFO nova.virt.libvirt.driver [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Creating image
2014-09-10 13:13:07.256 1893 WARNING nova.virt.disk.vfs.guestfs [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] Failed to close augeas aug_close: call launch before using this function
(in guestfish, don't forget to use the 'run' command)
2014-09-10 13:13:09.306 1893 INFO nova.compute.manager [-] Lifecycle event 0 on VM bc01c570-c40f-4088-a17c-0278fc6c3315
2014-09-10 13:13:09.327 1893 INFO nova.virt.libvirt.driver [-] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Instance spawned successfully.
2014-09-10 13:13:09.441 1893 INFO nova.compute.manager [-] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] During sync_power_state the instance has a pending task (spawning). Skip.
2014-09-10 13:13:23.031 1893 AUDIT nova.compute.resource_tracker [-] Auditing locally available compute resources
2014-09-10 13:13:23.202 1893 AUDIT nova.compute.resource_tracker [-] Free ram (MB): 6961
2014-09-10 13:13:23.203 1893 AUDIT nova.compute.resource_tracker [-] Free disk (GB): 8
2014-09-10 13:13:23.204 1893 AUDIT nova.compute.resource_tracker [-] Free VCPUS: 0
2014-09-10 13:13:23.222 1893 INFO nova.compute.resource_tracker [-] Compute_service record updated for Compute:compute
2014-09-10 13:13:44.709 1893 AUDIT nova.compute.manager [req-6c9a4f5f-d9e7-4e12-b5c2-8ee7716fe97a 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Terminating instance
2014-09-10 13:13:45.269 1893 INFO nova.compute.manager [-] Lifecycle event 1 on VM bc01c570-c40f-4088-a17c-0278fc6c3315
2014-09-10 13:13:45.276 1893 INFO nova.virt.libvirt.driver [-] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Instance destroyed successfully.
2014-09-10 13:13:45.391 1893 ERROR nova.virt.driver [-] Exception dispatching event <nova.virt.event.LifecycleEvent object at 0x7fc7e4178490>: Info cache for instance bc01c570-c40f-4088-a17c-0278fc6c3315 could not be found.
Traceback (most recent call last):

  File "/usr/lib/python2.7/dist-packages/nova/conductor/manager.py", line 597, in _object_dispatch
    return getattr(target, method)(context, *args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 151, in wrapper
    return fn(self, ctxt, *args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 500, in refresh
    self.info_cache.refresh()

  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 151, in wrapper
    return fn(self, ctxt, *args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/nova/objects/instance_info_cache.py", line 103, in refresh
    self.instance_uuid)

  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 112, in wrapper
    result = fn(cls, context, *args, **kwargs)

  File "/usr/lib/python2.7/dist-packages/nova/objects/instance_info_cache.py", line 70, in get_by_instance_uuid
    instance_uuid=instance_uuid)

InstanceInfoCacheNotFound: Info cache for instance bc01c570-c40f-4088
-a17c-0278fc6c3315 could not be found.

2014-09-10 13:13:45.946 1893 INFO nova.virt.libvirt.driver [req-6c9a4f5f-d9e7-4e12-b5c2-8ee7716fe97a 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Deleting instance files /var/lib/nova/instances/bc01c570-c40f-4088-a17c-0278fc6c3315
2014-09-10 13:13:45.947 1893 INFO nova.virt.libvirt.driver [req-6c9a4f5f-d9e7-4e12-b5c2-8ee7716fe97a 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Deletion of /var/lib/nova/instances/bc01c570-c40f-4088-a17c-0278fc6c3315 complete

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1367845

Title:
  Traceback is logged when delete an instance.

Status in OpenStack Compute (Nova):
  New

Bug description:
  OpenStack version: Icehouse

  Issue: traceback is logged in nova-compute.log when delete an
  instance.

  Setup: 3 nodes, namely Controller, Compute and Network; with nova-
  compute running solely on Compute node.

  Steps to reproduce:
  1. Create an instance using image cirrus 0.3.2.
  2. Verify instance is running: nova list
  3. Delete the instance: nova delete <name>
  4. Check nova-compute.log at Compute node.

  root@Controller:/home/guest# nova --version
  2.17.0
  root@Controller:/home/guest# nova service-list
  +------------------+------------+----------+---------+-------+----------------------------+-----------------+
  | Binary           | Host       | Zone     | Status  | State | Updated_at                 | Disabled Reason |
  +------------------+------------+----------+---------+-------+----------------------------+-----------------+
  | nova-cert        | Controller | internal | enabled | up    | 2014-09-10T17:12:34.000000 | -               |
  | nova-conductor   | Controller | internal | enabled | up    | 2014-09-10T17:12:26.000000 | -               |
  | nova-consoleauth | Controller | internal | enabled | up    | 2014-09-10T17:12:28.000000 | -               |
  | nova-scheduler   | Controller | internal | enabled | up    | 2014-09-10T17:12:31.000000 | -               |
  | nova-compute     | Compute    | nova     | enabled | up    | 2014-09-10T17:12:34.000000 | -               |
  +------------------+------------+----------+---------+-------+----------------------------+-----------------+
  root@Controller:/home/guest# nova boot --image cirros-0.3.2-x86_64 --flavor 1 --nic net-id=75375f9b-0f26-4e1a-aedc-24457192f265 cirros
  +--------------------------------------+------------------------------------------------------------+
  | Property                             | Value                                                      |
  +--------------------------------------+------------------------------------------------------------+
  | OS-DCF:diskConfig                    | MANUAL                                                     |
  | OS-EXT-AZ:availability_zone          | nova                                                       |
  | OS-EXT-SRV-ATTR:host                 | -                                                          |
  | OS-EXT-SRV-ATTR:hypervisor_hostname  | -                                                          |
  | OS-EXT-SRV-ATTR:instance_name        | instance-00000046                                          |
  | OS-EXT-STS:power_state               | 0                                                          |
  | OS-EXT-STS:task_state                | scheduling                                                 |
  | OS-EXT-STS:vm_state                  | building                                                   |
  | OS-SRV-USG:launched_at               | -                                                          |
  | OS-SRV-USG:terminated_at             | -                                                          |
  | accessIPv4                           |                                                            |
  | accessIPv6                           |                                                            |
  | adminPass                            | jFmNDB5Jsd77                                               |
  | config_drive                         |                                                            |
  | created                              | 2014-09-10T17:13:06Z                                       |
  | flavor                               | m1.tiny (1)                                                |
  | hostId                               |                                                            |
  | id                                   | bc01c570-c40f-4088-a17c-0278fc6c3315                       |
  | image                                | cirros-0.3.2-x86_64 (38f00c62-f9df-4133-abf2-7c9ba948d414) |
  | key_name                             | -                                                          |
  | metadata                             | {}                                                         |
  | name                                 | cirros                                                     |
  | os-extended-volumes:volumes_attached | []                                                         |
  | progress                             | 0                                                          |
  | security_groups                      | default                                                    |
  | status                               | BUILD                                                      |
  | tenant_id                            | 73a095bf078443c9b340d871deaabcc3                           |
  | updated                              | 2014-09-10T17:13:06Z                                       |
  | user_id                              | 77bdd3f911744f72af7038d40d722439                           |
  +--------------------------------------+------------------------------------------------------------+
  root@Controller:/home/guest# nova list
  +--------------------------------------+--------+--------+------------+-------------+---------------------+
  | ID                                   | Name   | Status | Task State | Power State | Networks            |
  +--------------------------------------+--------+--------+------------+-------------+---------------------+
  | bc01c570-c40f-4088-a17c-0278fc6c3315 | cirros | ACTIVE | -          | Running     | int-net=172.16.1.48 |
  +--------------------------------------+--------+--------+------------+-------------+---------------------+
  root@Controller:/home/guest# nova delete cirros
  root@Controller:/home/guest# nova list
  +----+------+--------+------------+-------------+----------+
  | ID | Name | Status | Task State | Power State | Networks |
  +----+------+--------+------------+-------------+----------+
  +----+------+--------+------------+-------------+----------+
  root@Controller:/home/guest# 

  
  Snippet of nova-compute.log:

  2014-09-10 13:13:06.521 1893 AUDIT nova.compute.manager [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Starting instance...
  2014-09-10 13:13:06.607 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Attempting claim: memory 512 MB, disk 1 GB, VCPUs 1
  2014-09-10 13:13:06.610 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Total memory: 7985 MB, used: 512.00 MB
  2014-09-10 13:13:06.611 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] memory limit: 11977.50 MB, free: 11465.50 MB
  2014-09-10 13:13:06.611 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Total disk: 9 GB, used: 0.00 GB
  2014-09-10 13:13:06.612 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] disk limit not specified, defaulting to unlimited
  2014-09-10 13:13:06.612 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Total CPUs: 1 VCPUs, used: 0.00 VCPUs
  2014-09-10 13:13:06.612 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] CPUs limit not specified, defaulting to unlimited
  2014-09-10 13:13:06.613 1893 AUDIT nova.compute.claims [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Claim successful
  2014-09-10 13:13:07.044 1893 INFO nova.virt.libvirt.driver [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Creating image
  2014-09-10 13:13:07.256 1893 WARNING nova.virt.disk.vfs.guestfs [req-4de48240-de8f-4fce-ab6c-28e3b9541131 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] Failed to close augeas aug_close: call launch before using this function
  (in guestfish, don't forget to use the 'run' command)
  2014-09-10 13:13:09.306 1893 INFO nova.compute.manager [-] Lifecycle event 0 on VM bc01c570-c40f-4088-a17c-0278fc6c3315
  2014-09-10 13:13:09.327 1893 INFO nova.virt.libvirt.driver [-] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Instance spawned successfully.
  2014-09-10 13:13:09.441 1893 INFO nova.compute.manager [-] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] During sync_power_state the instance has a pending task (spawning). Skip.
  2014-09-10 13:13:23.031 1893 AUDIT nova.compute.resource_tracker [-] Auditing locally available compute resources
  2014-09-10 13:13:23.202 1893 AUDIT nova.compute.resource_tracker [-] Free ram (MB): 6961
  2014-09-10 13:13:23.203 1893 AUDIT nova.compute.resource_tracker [-] Free disk (GB): 8
  2014-09-10 13:13:23.204 1893 AUDIT nova.compute.resource_tracker [-] Free VCPUS: 0
  2014-09-10 13:13:23.222 1893 INFO nova.compute.resource_tracker [-] Compute_service record updated for Compute:compute
  2014-09-10 13:13:44.709 1893 AUDIT nova.compute.manager [req-6c9a4f5f-d9e7-4e12-b5c2-8ee7716fe97a 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Terminating instance
  2014-09-10 13:13:45.269 1893 INFO nova.compute.manager [-] Lifecycle event 1 on VM bc01c570-c40f-4088-a17c-0278fc6c3315
  2014-09-10 13:13:45.276 1893 INFO nova.virt.libvirt.driver [-] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Instance destroyed successfully.
  2014-09-10 13:13:45.391 1893 ERROR nova.virt.driver [-] Exception dispatching event <nova.virt.event.LifecycleEvent object at 0x7fc7e4178490>: Info cache for instance bc01c570-c40f-4088-a17c-0278fc6c3315 could not be found.
  Traceback (most recent call last):

    File "/usr/lib/python2.7/dist-packages/nova/conductor/manager.py", line 597, in _object_dispatch
      return getattr(target, method)(context, *args, **kwargs)

    File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 151, in wrapper
      return fn(self, ctxt, *args, **kwargs)

    File "/usr/lib/python2.7/dist-packages/nova/objects/instance.py", line 500, in refresh
      self.info_cache.refresh()

    File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 151, in wrapper
      return fn(self, ctxt, *args, **kwargs)

    File "/usr/lib/python2.7/dist-packages/nova/objects/instance_info_cache.py", line 103, in refresh
      self.instance_uuid)

    File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 112, in wrapper
      result = fn(cls, context, *args, **kwargs)

    File "/usr/lib/python2.7/dist-packages/nova/objects/instance_info_cache.py", line 70, in get_by_instance_uuid
      instance_uuid=instance_uuid)

  InstanceInfoCacheNotFound: Info cache for instance bc01c570-c40f-4088
  -a17c-0278fc6c3315 could not be found.

  2014-09-10 13:13:45.946 1893 INFO nova.virt.libvirt.driver [req-6c9a4f5f-d9e7-4e12-b5c2-8ee7716fe97a 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Deleting instance files /var/lib/nova/instances/bc01c570-c40f-4088-a17c-0278fc6c3315
  2014-09-10 13:13:45.947 1893 INFO nova.virt.libvirt.driver [req-6c9a4f5f-d9e7-4e12-b5c2-8ee7716fe97a 77bdd3f911744f72af7038d40d722439 73a095bf078443c9b340d871deaabcc3] [instance: bc01c570-c40f-4088-a17c-0278fc6c3315] Deletion of /var/lib/nova/instances/bc01c570-c40f-4088-a17c-0278fc6c3315 complete

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Follow ups

References