** No longer affects: nova/diablo
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https://bugs.launchpad.net/bugs/867627
Title:
Failure while rebuilding an instance with libvirt
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
On the Diablo release, trying to run 'nova rebuild' on an instance
running on libvirt results in a failure with:
2011-10-04 16:57:15,543 DEBUG nova.virt.libvirt_conn [-] instance
instance-00000001: starting toXML method from (pid=18743) to_xml
/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py:1162
2011-10-04 16:57:15,543 ERROR nova.exception [-] Uncaught exception
(nova.exception): TRACE: Traceback (most recent call last):
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 98, in wrapped
(nova.exception): TRACE: return f(*args, **kw)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 597,
in spawn
(nova.exception): TRACE: block_device_info=block_device_info)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1164,
in to_xml
(nova.exception): TRACE: block_device_info)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1058,
in _prepare_xml_info
(nova.exception): TRACE: block_device_info)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/virt/driver.py", line 58, in
block_device_info_get_mapping
(nova.exception): TRACE: block_device_mapping =
block_device_info.get('block_device_mapping') or []
(nova.exception): TRACE: AttributeError: 'tuple' object has no attribute 'get'
(nova.exception): TRACE:
2011-10-04 16:57:15,575 DEBUG nova.rpc [-] Making asynchronous cast on
notifications.error... from (pid=18743) cast
/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py:747
[...]
(nova.exception): TRACE: Traceback (most recent call last):
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/notifier/api.py", line 122, in notify
(nova.exception): TRACE: driver.notify(msg)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/notifier/rabbit_notifier.py", line 36,
in notify
(nova.exception): TRACE: rpc.cast(context, topic, message)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/rpc/__init__.py", line 49, in cast
(nova.exception): TRACE: return get_impl().cast(context, topic, msg)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 750, in cast
(nova.exception): TRACE: conn.topic_send(topic, msg)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 465, in
topic_send
(nova.exception): TRACE: self.publisher_send(TopicPublisher, topic, msg)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 433, in
publisher_send
(nova.exception): TRACE: publisher.send(msg)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 234, in send
(nova.exception): TRACE: self.producer.publish(msg)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/kombu/messaging.py", line 121, in publish
(nova.exception): TRACE: compression, headers)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/kombu/messaging.py", line 144, in _prepare
(nova.exception): TRACE: body) = encode(body, serializer=serializer)
(nova.exception): TRACE: File
"/usr/lib/python2.7/dist-packages/kombu/serialization.py", line 119, in encode
(nova.exception): TRACE: payload = encoder(data)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/anyjson/__init__.py", line 123, in <lambda>
(nova.exception): TRACE: serialize = lambda value:
implementation.serialize(value)
(nova.exception): TRACE: File
"/usr/lib/pymodules/python2.7/anyjson/__init__.py", line 85, in serialize
(nova.exception): TRACE: raise TypeError(*exc.args)
(nova.exception): TRACE: TypeError: <capsule object "virConnectPtr" at
0x434fe70> is not JSON serializable
(nova.exception): TRACE:
2011-10-04 16:57:15,584 ERROR nova.rpc [-] Exception during message handling
(nova.rpc): TRACE: Traceback (most recent call last):
(nova.rpc): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 620, in
_process_data
(nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args)
(nova.rpc): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 98, in wrapped
(nova.rpc): TRACE: return f(*args, **kw)
(nova.rpc): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 117, in
decorated_function
(nova.rpc): TRACE: function(self, context, instance_id, *args, **kwargs)
(nova.rpc): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 574, in
rebuild_instance
(nova.rpc): TRACE: self.driver.spawn(context, instance_ref, network_info,
bd_mapping)
(nova.rpc): TRACE: File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 129, in wrapped
(nova.rpc): TRACE: raise Error(str(e))
(nova.rpc): TRACE: Error: 'tuple' object has no attribute 'get'
(nova.rpc): TRACE:
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