Not able to spawn Instnance, Error: Instance object has no attribute flavor

[Ignatious Johnson Christopher]

Launching Instance fails with the following trace, AttributeError: 'Instance' object has no attribute 'flavor'

Nova-compute.log:
------------------------------
2015-03-05 13:01:07.159 5255 ERROR nova.compute.manager [-] [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] Instance failed to spawn
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] Traceback (most recent call last):
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 224
3, in _build_resources
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] yield resources
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 211
3, in _build_and_run_instance
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] block_device_info=block_device_info)
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] File "/usr/lib/python2.7/site-packages/novadocker/virt/docker/driver.py",
 line 422, in spawn
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] 'mem_limit': self._get_memory_limit_bytes(instance),
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] File "/usr/lib/python2.7/site-packages/novadocker/virt/docker/driver.py",
 line 335, in _get_memory_limit_bytes
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] return instance.flavor.memory_mb * units.Mi
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621] AttributeError: 'Instance' object has no attribute 'flavor'
2015-03-05 13:01:07.159 5255 TRACE nova.compute.manager [instance: f0d09b03-d22d-4520-9d94-72a0fdc43621]
2015-03-05 13:08:06.978 5255 WARNING nova.compute.manager [-] While synchronizing instance power states, found 1 instances in the database and 0 instances on the hypervisor.
2015-03-05 13:58:07.683 5255 ERROR nova.compute.manager [-] [instance: 418e51b8-89e6-4940-815c-55d334e65b38] Instance failed to spawn
2015-03-05 13:58:07.683 5255 TRACE nova.compute.manager [instance: 418e51b8-89e6-4940-815c-55d334e65b38] Traceback (most recent call last):
2015-03-05 13:58:07.683 5255 TRACE nova.compute.manager [instance: 418e51b8-89e6-4940-815c-55d334e65b38] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 224
3, in _build_resources
2015-03-05 13:58:07.683 5255 TRACE nova.compute.manager [instance: 418e51b8-89e6-4940-815c-55d334e65b38] yield resources
2015-03-05 13:58:07.683 5255 TRACE nova.compute.manager [instance: 418e51b8-89e6-4940-815c-55d334e65b38] File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 211
3, in _build_and_run_instance
2015-03-05 13:58:07.683 5255 TRACE nova.compute.manager [instance: 418e51b8-89e6-4940-815c-55d334e65b38] block_device_info=block_device_info)
2015-03-05 13:58:07.683 ...

[Ignatious Johnson Christopher (ijohnson-x)]

Fix proposed to branch: master
Review: https://review.openstack.org/#/c/165196/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/165196
Committed: https://git.openstack.org/cgit/stackforge/nova-docker/commit/?id=5dd4f95c8aca6213323c754fab7dec2d8056f088
Submitter: Jenkins
Branch: master

commit 5dd4f95c8aca6213323c754fab7dec2d8056f088
Author: Ignatious Johnson Christopher <email address hidden>
Date: Tue Mar 17 12:37:35 2015 -0700

    Fix to use the get_flavor method to retrieve the flavor information from
    the Instance Object.

    Closes-Bug: #1449273

    Change-Id: I7cbc06d51551963b162c54174866728a40c8f047