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[Vish Ishaya <vishvananda@xxxxxxxxx>]

Public bug reported:

Leads to a 404 when trying to attach to an instance:

2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 action: AttachVolume _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:328
2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 arg: InstanceId val: i-00001534 _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:330
2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 arg: VolumeId val: vol-000000d0 _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:330
2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 arg: Device val: /dev/vdc _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:330
2013-03-04 15:09:58 INFO nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 InstanceNotFound raised: Instance 5428 could not be found.
2013-03-04 15:09:58 ERROR nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 InstanceNotFound: Instance i-00001534 could not be found.

This is due to some code paths using the instance id from the instances
table instead of the mapping table.

** Affects: nova
     Importance: Undecided
         Status: Invalid

** Affects: nova/folsom
     Importance: High
     Assignee: Vish Ishaya (vishvananda)
         Status: In Progress

** Also affects: nova/folsom
   Importance: Undecided
       Status: New

** Changed in: nova
       Status: New => Invalid

** Changed in: nova/folsom
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1145490

Title:
  ec2 id mapping can be incorrect during attach volume

Status in OpenStack Compute (Nova):
  Invalid
Status in OpenStack Compute (nova) folsom series:
  In Progress

Bug description:
  Leads to a 404 when trying to attach to an instance:

  2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 action: AttachVolume _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:328
  2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 arg: InstanceId val: i-00001534 _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:330
  2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 arg: VolumeId val: vol-000000d0 _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:330
  2013-03-04 15:09:58 DEBUG nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 arg: Device val: /dev/vdc _call_ /usr/lib/python2.7/dist-packages/nova/api/ec2/_init_.py:330
  2013-03-04 15:09:58 INFO nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 InstanceNotFound raised: Instance 5428 could not be found.
  2013-03-04 15:09:58 ERROR nova.api.ec2 req-05eacb09-2823-4e1a-8795-5a07078957ac f323106c06e3464bb24f3b9a24adc993 1c1abd0ba1fa4aec932386731b974fb0 InstanceNotFound: Instance i-00001534 could not be found.

  This is due to some code paths using the instance id from the
  instances table instead of the mapping table.

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