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[Alan Pevec <1096719@xxxxxxxxxxxxxxxxxx>]

** Changed in: nova/folsom
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1096719

Title:
  comparing datetime to None in update-time handling

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) folsom series:
  Fix Released

Bug description:
  2013-01-05 08:02:23 WARNING nova.scheduler.manager [req-c243dee7-fc00-42d8-8654-603b899d471b admin demo] Failed to schedule_run_instance: can't compare datetime.datetime to NoneType
  2013-01-05 08:02:23 WARNING nova.scheduler.manager [req-c243dee7-fc00-42d8-8654-603b899d471b admin demo] [instance: 6e4d25bd-9ad8-4e92-b5b4-00fabeed477d] Setting instance to ERROR state.
  2013-01-05 08:02:23 ERROR nova.openstack.common.rpc.amqp [req-c243dee7-fc00-42d8-8654-603b899d471b admin demo] Exception during message handling
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/rpc/amqp.py", line 277, in _process_data
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     rval = self.proxy.dispatch(ctxt, version, method, **args)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/rpc/dispatcher.py", line 147, in dispatch
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     return getattr(proxyobj, method)(ctxt, **kwargs)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/scheduler/manager.py", line 121, in run_instance
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     context, ex, request_spec)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/scheduler/manager.py", line 109, in run_instance
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     requested_networks, is_first_time, filter_properties)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 60, in schedule_run_instance
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     filter_properties, instance_uuids)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 275, in _schedule
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     hosts = self.host_manager.get_all_host_states(elevated)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/scheduler/host_manager.py", line 386, in get_all_host_states
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     host_state.update_from_compute_node(compute)
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/scheduler/host_manager.py", line 143, in update_from_compute_node
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp     if self.updated and self.updated > compute['updated_at']:
  2013-01-05 08:02:23 TRACE nova.openstack.common.rpc.amqp TypeError: can't compare datetime.datetime to NoneType

  
  this is from HEAD + pending baremetal patches.

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