VMware: exception when accessing invalid nodename

[Gary Kotton]

2013-08-25 01:51:12.304 DEBUG amqp [-] Channel open from (pid=24811) _open_ok /usr/local/lib/python2.7/dist-packages/amqp/channel.py:420
2013-08-25 01:51:12.330 ERROR nova.compute.manager [req-a544bf47-550d-4f20-b026-b8312f8c0641 demo demo] [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] Instance failed to spawn
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] Traceback (most recent call last):
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] File "/opt/stack/nova/nova/compute/manager.py", line 1288, in _spawn
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] block_device_info)
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] File "/opt/stack/nova/nova/virt/vmwareapi/driver.py", line 631, in spawn
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] _vmops = self._get_vmops_for_compute_node(instance['node'])
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] File "/opt/stack/nova/nova/virt/vmwareapi/driver.py", line 560, in _get_vmops_for_compute_node
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] return self._resources.get(self._get_mo_id(nodename)).get('vmops')
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] AttributeError: 'NoneType' object has no attribute 'get'
2013-08-25 01:51:12.330 TRACE nova.compute.manager [instance: 0aff95af-3246-4e38-a678-8255bfe590a9]
2013-08-25 01:51:12.331 DEBUG nova.compute.claims [req-a544bf47-550d-4f20-b026-b8312f8c0641 demo demo] [instance: 0aff95af-3246-4e38-a678-8255bfe590a9] Aborting claim: [Claim: 512 MB memory,

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/43616

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/43616
Committed: http://github.com/openstack/nova/commit/c8ab7a401cbbfd6c5841d8f2f8f5112be2b6cee2
Submitter: Jenkins
Branch: master

commit c8ab7a401cbbfd6c5841d8f2f8f5112be2b6cee2
Author: Gary Kotton <email address hidden>
Date: Sun Aug 25 01:52:28 2013 -0700

    VMware: ensure that resource exists prior to accessing

    Ensure that the resource being accessed actually exists. There
    may be cases when a cluster is updated/deleted and the scheduler
    may be out of sync with the compute node.

    Fixes bug: 1216510

    Change-Id: Ib82af10f78fbad0cec55eff3dffd3d36409d8b24