Open Stack

Hi guys

im new to openstack , and im running   duel node setup compute node and
controller node ,

controller node ,[ubuntu]

Binary           Host                                 Zone
Status     State Updated_At
nova-cert        ubuntu                               nova
enabled    :-)   2012-11-30 11:52:02
nova-consoleauth ubuntu                               nova
enabled    :-)   2012-11-30 11:52:05
nova-scheduler   ubuntu                               nova
enabled    :-)   2012-11-30 11:52:05
nova-volume      ubuntu                               nova
enabled    :-)   2012-11-30 11:52:05
nova-compute     ubuntu                               nova
enabled    :-)   2012-11-30 11:52:03
nova-network     ubuntu                               nova
enabled    :-)   2012-11-30 11:52:03
nova-compute     server3                              nova
enabled    :-)   2012-11-30 11:52:02


When i try to launch  a instance

 nova boot --image 12335371-2f82-4ebc-aed7-3ade2c357458 --flavor 1
--key_name mykey  my-first-server4  ,


in server3 nova-compute.log print the following error ,


=======================================
2012-11-30 17:24:43 TRACE nova.rpc.amqp Traceback (most recent call last):
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/rpc/amqp.py", line 253, in
_process_data
2012-11-30 17:24:43 TRACE nova.rpc.amqp     rval = node_func(context=ctxt,
**node_args)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-11-30 17:24:43 TRACE nova.rpc.amqp     return f(*args, **kw)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 183, in
decorated_function
2012-11-30 17:24:43 TRACE nova.rpc.amqp     sys.exc_info())
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2012-11-30 17:24:43 TRACE nova.rpc.amqp     self.gen.next()
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 177, in
decorated_function
2012-11-30 17:24:43 TRACE nova.rpc.amqp     return function(self, context,
instance_uuid, *args, **kwargs)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 676, in
run_instance
2012-11-30 17:24:43 TRACE nova.rpc.amqp     do_run_instance()
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/utils.py", line 945, in inner
2012-11-30 17:24:43 TRACE nova.rpc.amqp     retval = f(*args, **kwargs)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 675, in
do_run_instance
2012-11-30 17:24:43 TRACE nova.rpc.amqp     self._run_instance(context,
instance_uuid, **kwargs)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 476, in
_run_instance
2012-11-30 17:24:43 TRACE nova.rpc.amqp
self._set_instance_error_state(context, instance_uuid)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2012-11-30 17:24:43 TRACE nova.rpc.amqp     self.gen.next()
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 457, in
_run_instance
2012-11-30 17:24:43 TRACE nova.rpc.amqp
self._deallocate_network(context, instance)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/contextlib.py", line 24, in __exit__
2012-11-30 17:24:43 TRACE nova.rpc.amqp     self.gen.next()
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 454, in
_run_instance
2012-11-30 17:24:43 TRACE nova.rpc.amqp     injected_files, admin_password)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 617, in
_spawn
2012-11-30 17:24:43 TRACE nova.rpc.amqp
self._legacy_nw_info(network_info), block_device_info)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-11-30 17:24:43 TRACE nova.rpc.amqp     return f(*args, **kw)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
946, in spawn
2012-11-30 17:24:43 TRACE nova.rpc.amqp
block_device_info=block_device_info)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
1568, in to_xml
2012-11-30 17:24:43 TRACE nova.rpc.amqp     rescue, block_device_info)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line
1451, in _prepare_xml_info
2012-11-30 17:24:43 TRACE nova.rpc.amqp
nics.append(self.vif_driver.plug(instance, network, mapping))
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/vif.py", line 97, in
plug
2012-11-30 17:24:43 TRACE nova.rpc.amqp     iface)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/utils.py", line 943, in inner
2012-11-30 17:24:43 TRACE nova.rpc.amqp     retval = f(*args, **kwargs)
2012-11-30 17:24:43 TRACE nova.rpc.amqp   File
"/usr/lib/python2.7/dist-packages/nova/network/linux_net.py", line 1043, in
ensure_bridge
2012-11-30 17:24:43 TRACE nova.rpc.amqp     raise exception.Error('Failed
to add interface: %s' % err)
2012-11-30 17:24:43 TRACE nova.rpc.amqp Error: Failed to add interface:
sudo: unable to resolve host server3
2012-11-30 17:24:43 TRACE nova.rpc.amqp
2012-11-30 17:24:43 TRACE nova.rpc.amqp


and i can access the server3 node from my controller node ,

root at ubuntu:~# ping server3
PING server3 (10.100.3.104) 56(84) bytes of data.
64 bytes from server3 (10.100.3.104): icmp_req=1 ttl=64 time=0.490 ms
64 bytes from server3 (10.100.3.104): icmp_req=2 ttl=64 time=0.478 ms


What can be the problem ...?

Thank You
John
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