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[Bug 1410310] Re: 'headroom' KeyError while creating instance

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 05 Feb 2015 20:15:04 -0000
Reply-to: Bug 1410310 <1410310@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-2

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https://bugs.launchpad.net/bugs/1410310

Title:
  'headroom' KeyError while creating instance

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  A gate job failed with this error in the n-cpu log. The job is
  http://logs.openstack.org/13/145713/7/gate/gate-tempest-dsvm-
  full/71a2280/

  From http://logs.openstack.org/13/145713/7/gate/gate-tempest-dsvm-
  full/71a2280/logs/screen-n-cpu.txt.gz

  2015-01-13 12:24:35.148 29194 ERROR nova.compute.manager [-] Instance failed network setup after 1 attempt(s)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager Traceback (most recent call last):
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/opt/stack/new/nova/nova/compute/manager.py", line 1676, in _allocate_network_async
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     dhcp_options=dhcp_options)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/opt/stack/new/nova/nova/network/api.py", line 47, in wrapped
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     return func(self, context, *args, **kwargs)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/opt/stack/new/nova/nova/network/base_api.py", line 64, in wrapper
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     res = f(self, context, *args, **kwargs)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/opt/stack/new/nova/nova/network/api.py", line 276, in allocate_for_instance
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     nw_info = self.network_rpcapi.allocate_for_instance(context, **args)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/opt/stack/new/nova/nova/network/rpcapi.py", line 189, in allocate_for_instance
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     macs=jsonutils.to_primitive(macs))
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/client.py", line 152, in call
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     retry=self.retry)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/transport.py", line 90, in _send
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     timeout=timeout, retry=retry)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py", line 436, in send
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     retry=retry)
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager   File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py", line 427, in _send
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager     raise result
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager KeyError: u'\'headroom\'\nTraceback (most recent call last):\n\n  File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply\n    incoming.message))\n\n  File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch\n    return self._do_dispatch(endpoint, method, ctxt, args)\n\n  File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch\n    result = getattr(endpoint, method)(ctxt, **new_args)\n\n  File "/opt/stack/new/nova/nova/network/floating_ips.py", line 113, in allocate_for_instance\n    **kwargs)\n\n  File "/opt/stack/new/nova/nova/network/manager.py", line 501, in allocate_for_instance\n    requested_networks=requested_networks)\n\n  File "/opt/stack/new/nova/nova/network/manager.py", line 193, in _allocate_fixed_ips\n    vpn=vpn, address=address)\n\n  File "/opt/stack/new/nova/nova/network/manager.py", line 857, in allocate_fixed_ip\n    headroom = exc.kwargs[\'headroom\']\n\nKeyError: \'headroom\'\n'
  2015-01-13 12:24:35.148 29194 TRACE nova.compute.manager 
  Traceback (most recent call last):
    File "/usr/local/lib/python2.7/dist-packages/eventlet/queue.py", line 117, in switch
      self.greenlet.switch(value)
    File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 214, in main
      result = function(*args, **kwargs)
    File "/opt/stack/new/nova/nova/compute/manager.py", line 1676, in _allocate_network_async
      dhcp_options=dhcp_options)
    File "/opt/stack/new/nova/nova/network/api.py", line 47, in wrapped
      return func(self, context, *args, **kwargs)
    File "/opt/stack/new/nova/nova/network/base_api.py", line 64, in wrapper
      res = f(self, context, *args, **kwargs)
    File "/opt/stack/new/nova/nova/network/api.py", line 276, in allocate_for_instance
      nw_info = self.network_rpcapi.allocate_for_instance(context, **args)
    File "/opt/stack/new/nova/nova/network/rpcapi.py", line 189, in allocate_for_instance
      macs=jsonutils.to_primitive(macs))
    File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/client.py", line 152, in call
      retry=self.retry)
    File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/transport.py", line 90, in _send
      timeout=timeout, retry=retry)
    File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py", line 436, in send
      retry=retry)
    File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py", line 427, in _send
      raise result
  KeyError: u'\'headroom\'\nTraceback (most recent call last):\n\n  File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 137, in _dispatch_and_reply\n    incoming.message))\n\n  File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 180, in _dispatch\n    return self._do_dispatch(endpoint, method, ctxt, args)\n\n  File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 126, in _do_dispatch\n    result = getattr(endpoint, method)(ctxt, **new_args)\n\n  File "/opt/stack/new/nova/nova/network/floating_ips.py", line 113, in allocate_for_instance\n    **kwargs)\n\n  File "/opt/stack/new/nova/nova/network/manager.py", line 501, in allocate_for_instance\n    requested_networks=requested_networks)\n\n  File "/opt/stack/new/nova/nova/network/manager.py", line 193, in _allocate_fixed_ips\n    vpn=vpn, address=address)\n\n  File "/opt/stack/new/nova/nova/network/manager.py", line 857, in allocate_fixed_ip\n    headroom = exc.kwargs[\'headroom\']\n\nKeyError: \'headroom\'\n'


  The console output of the failed test is:

  setUpClass (tempest.api.compute.images.test_list_image_filters.ListImageFiltersTestJSON)
  2015-01-13 12:41:58.677 | ----------------------------------------------------------------------------------------
  2015-01-13 12:41:58.677 | 
  2015-01-13 12:41:58.677 | Captured traceback:
  2015-01-13 12:41:58.677 | ~~~~~~~~~~~~~~~~~~~
  2015-01-13 12:41:58.678 |     Traceback (most recent call last):
  2015-01-13 12:41:58.678 |       File "tempest/test.py", line 273, in setUpClass
  2015-01-13 12:41:58.678 |         cls.resource_setup()
  2015-01-13 12:41:58.678 |       File "tempest/api/compute/images/test_list_image_filters.py", line 73, in resource_setup
  2015-01-13 12:41:58.678 |         resp, cls.server2 = cls.create_test_server(wait_until='ACTIVE')
  2015-01-13 12:41:58.678 |       File "tempest/api/compute/base.py", line 226, in create_test_server
  2015-01-13 12:41:58.678 |         pass
  2015-01-13 12:41:58.678 |       File "tempest/openstack/common/excutils.py", line 68, in __exit__
  2015-01-13 12:41:58.678 |         six.reraise(self.type_, self.value, self.tb)
  2015-01-13 12:41:58.678 |       File "tempest/api/compute/base.py", line 216, in create_test_server
  2015-01-13 12:41:58.679 |         server['id'], kwargs['wait_until'])
  2015-01-13 12:41:58.679 |       File "tempest/services/compute/json/servers_client.py", line 178, in wait_for_server_status
  2015-01-13 12:41:58.679 |         ready_wait=ready_wait)
  2015-01-13 12:41:58.679 |       File "tempest/common/waiters.py", line 73, in wait_for_server_status
  2015-01-13 12:41:58.679 |         server_id=server_id)
  2015-01-13 12:41:58.679 |     BuildErrorException: Server 8ea4c502-c5b0-4aa7-8a09-17fac3e226f5 failed to build and is in ERROR status
  2015-01-13 12:41:58.679 |     Details: {u'code': 500, u'message': u'No valid host was found. There are not enough hosts available.', u'created': u'2015-01-13T12:24:36Z'}
  2015-01-13 12:41:58.679 |

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References

[Bug 1410310] [NEW] 'headroom' KeyError while creating instance
From: David Kranz, 2015-01-13