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Further debugging shows that nova cannot connect to neutron.  Something is
wrong with config params?  How to check?

2015-01-20 16:06:50.774 8152 ERROR nova.compute.manager [-] Instance failed
network setup after 1 attempt(s)
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager Traceback (most
recent call last):
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/nova/compute/manager.py", line
1682, in _allocate_network_async
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager
dhcp_options=dhcp_options)
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/nova/network/neutronv2/api.py",
line 261, in allocate_for_insta
nce
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager
refresh_cache=True, neutron=neutron) else
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/nova/network/neutronv2/api.py",
line 454, in _has_port_binding_
extension
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager
self._refresh_neutron_extensions_cache(context, neutron=neutron)
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/nova/network/neutronv2/api.py",
line 445, in _refresh_neutron_e
xtensions_cache
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager     extensions_list
= neutron.list_extensions()['extensions']
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line
108, in with_params
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager     ret =
self.function(instance, *args, **kwargs)
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line
286, in list_extensions
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager     return
self.get(self.extensions_path, params=_params)
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line
1183, in get
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager
headers=headers, params=params)
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager   File
"/usr/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line
1175, in retry_request
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager     raise
exceptions.ConnectionFailed(reason=_("Maximum attempts reached"))
2015-01-20 16:06:50.774 8152 TRACE nova.compute.manager ConnectionFailed:
Connection to neutron failed: Maximum attempts reached


On Tue, Jan 20, 2015 at 4:02 PM, Geo Varghese <gvarghese at aqorn.com> wrote:

> Restart your rabbitmq server. Seems its an issue with messaging server.
>
> On Tue, Jan 20, 2015 at 2:52 PM, Shyam Nadiminti <nsv.shyam at gmail.com>
> wrote:
>
>>
>>
>> I'm trying to create new instance and it has been failing with the
>> following stack - failed to get network information.
>>
>>
>> - build_and_run_instance is called.
>>
>> -locked_do_build_and_run_instance is called to get resources.
>>
>> -Memory, disk space resource claim is successful.
>>
>> - Then, trying to build network resource asynchronously: _allocat
>> e_network_async
>>
>>
>> The issue is started.  I found that message has been sent but response is
>> not received.  Can anyone suggest me what logs should I look into to see
>> what is happening in response?  Why is it timed out?  How to debug it
>> further?  Any issue with nova.conf that I may be missing?
>>
>>
>>
>> 015-01-19 21:17:56.350 17307 ERROR nova.compute.manager [-] Instance
>> failed network setup after 1 attempt(s)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager Traceback (most
>> recent call last):
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/nova/compute/manager.py", line
>> 1682, in _allocate_network_async
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager
>> dhcp_options=dhcp_options)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/nova/network/api.py", line 47, in
>> wrapped
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     return
>> func(self, context, *args, **kwargs)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/nova/network/base_api.py", line 64,
>> in wrapper
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     res =
>> f(self, context, *args, **kwargs)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/nova/network/api.py", line 277, in
>> allocate_for_instance
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     nw_info =
>> self.network_rpcapi.allocate_for_instance(context, **args)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/nova/network/rpcapi.py", line 188,
>> in allocate_for_instance
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager
>> macs=jsonutils.to_primitive(macs))
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/rpc/client.py", line
>> 159, in call
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager
>> retry=self.retry)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/transport.py", line
>> 90, in _send
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager
>> timeout=timeout, retry=retry)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py",
>> line 408, in send
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     retry=retry)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py",
>> line 397, in _send
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     result =
>> self._waiter.wait(msg_id, timeout)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py",
>> line 298, in wait
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     reply,
>> ending, trylock = self._poll_queue(msg_id, timeout)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py",
>> line 238, in _poll_queue
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     message =
>> self.waiters.get(msg_id, timeout)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager   File
>> "/usr/local/lib/python2.7/site-packages/oslo/messaging/_drivers/amqpdriver.py",
>> line 144, in get
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager     'to message
>> ID %s' % msg_id)
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager
>> MessagingTimeout: Timed out waiting for a reply to message ID
>> 56262582185f4a5cb0d11a7f85239c3f
>>
>> 2015-01-19 21:17:56.350 17307 TRACE nova.compute.manager
>>
>> _______________________________________________
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>>
>>
>
>
> --
> --
> Regards,
> Geo Varghese
>
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