[Openstack] No valid Host - OpenStack Mitaka

Brent Troge brenttroge2016 at gmail.com
Thu Jul 21 17:11:55 UTC 2016


have you configured nova network to use 'br-int' ? it looks like br-int is
not plumbed or available on the host.

as a start, it looks like you need to ensure your host network needs to be
configured properly as per nova configuration.



On Thu, Jul 21, 2016 at 11:03 AM, Silvia Fichera <fichera.sil at gmail.com>
wrote:

> I also found an error in the compute node in n-cpu.log related to libvirt:
>
>
> I noticed that the error is similar but not the same:
>
> ERROR nova.compute.manager
> [^[[01;36mreq-f1fdf348-c333-4436-bcc0-d5cbd76428e6 ^[[00;36madmin
> admin^[[01;31m] ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a]
> ^[[$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00mTraceback
> (most recent call last):
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/compute/manager.py", line 2218, in _build_resources
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    yield
> resources
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/compute/manager.py", line 2064, in _build_and_run_$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  block_device_info=block_device_info)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/virt/libvirt/driver.py", line 2780, in spawn
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  block_device_info=block_device_info)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/virt/libvirt/driver.py", line 4924, in _create_dom$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    xml,
> pause=pause, power_on=power_on)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/virt/libvirt/driver.py", line 4855, in _create_dom$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  guest.launch(pause=pause)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/virt/libvirt/guest.py", line 142, in launch
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  self._encoded_xml, errors='ignore')
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 22$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  self.force_reraise()
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 19$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  six.reraise(self.type_, self.value, self.tb)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/opt/stack/nova/nova/virt/libvirt/guest.py", line 137, in launch
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    return
> self._domain.createWithFlags(flags)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 186, in$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    result
> = proxy_call(self._autowrap, f, *args, **kwargs)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 144, in$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    rv =
> execute(f, *args, **kwargs)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 125, in$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m
>  six.reraise(c, e, tb)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 83, in $
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    rv =
> meth(*args, **kwargs)
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m  File
> "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 1065, in creat$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a] ^[[00m    if ret
> == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=$
> ^[[01;31m2016-07-20 23:30:44.470 TRACE nova.compute.manager
> ^[[01;35m[instance: dcf75116-fcaa-4f43-bac0-f93bc1fcaa9a]
> ^[[00mlibvirtError: Cannot get interface MTU on 'br-int': No such device
>
>
>
> 2016-07-21 12:25 GMT+02:00 Silvia Fichera <fichera.sil at gmail.com>:
>
>> Hi all,
>> I'm confuguring OpenStack to use it togheter with ONOS according to the
>> SONA implementation (
>> https://wiki.onosproject.org/display/ONOS/How+to+set+up+environment).
>> My setup has 2 compute nodes. It seems that the controller can see the
>> two nodes.
>>
>> nova service-list
>>
>> +----+------------------+----------------+----------+---------+-------+----------------------------+-----------------+
>> | Id | Binary           | Host           | Zone     | Status  | State |
>> Updated_at                 | Disabled Reason |
>>
>> +----+------------------+----------------+----------+---------+-------+----------------------------+-----------------+
>> | 3  | nova-conductor   | OpenStack-ctrl | internal | enabled | up    |
>> 2016-07-20T21:28:23.000000 | -               |
>> | 5  | nova-scheduler   | OpenStack-ctrl | internal | enabled | up    |
>> 2016-07-20T21:28:21.000000 | -               |
>> | 6  | nova-consoleauth | OpenStack-ctrl | internal | enabled | up    |
>> 2016-07-20T21:28:21.000000 | -               |
>> | 7  | nova-compute     | Compute2       | nova     | enabled | up    |
>> 2016-07-20T21:28:22.000000 | -               |
>> | 8  | nova-compute     | Compute1       | nova     | enabled | up    |
>> 2016-07-20T21:28:20.000000 | -               |
>>
>> +----+------------------+----------------+----------+---------+-------+----------------------------+-----------------+
>>
>>
>> nova host-list
>> +----------------+-------------+----------+
>> | host_name      | service     | zone     |
>> +----------------+-------------+----------+
>> | OpenStack-ctrl | conductor   | internal |
>> | OpenStack-ctrl | scheduler   | internal |
>> | OpenStack-ctrl | consoleauth | internal |
>> | Compute2       | compute     | nova     |
>> | Compute1       | compute     | nova     |
>> +----------------+-------------+----------+
>>
>> Here is the error form n-cond.log
>>
>>
>> 2016-07-20 22:29:44.200 ^[[00;32mDEBUG
>> oslo.messaging._drivers.impl_rabbit
>> [^[[01;36mreq-7d700c44-3166-4407-8f4f-4fa7743339cb ^[[00;36madmin
>> admin^[[00;32m] ^[[01;35m^[[00;32mConnected to AMQP server on $
>> /usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py:187:
>> RuntimeWarning: You have iterated over the result of
>> pkg_resources.parse_version. This is a legacy behavior which is
>> inconsistent wit$
>>   stacklevel=1,
>> 2016-07-20 22:29:44.236 ^[[01;33mWARNING nova.scheduler.utils
>> [^[[01;36mreq-7d700c44-3166-4407-8f4f-4fa7743339cb ^[[00;36madmin
>> admin^[[01;33m] ^[[01;35m^[[01;33mFailed to compute_task_build_instances: N$
>> Traceback (most recent call last):
>>
>>   File
>> "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/server.py", line
>> 150, in inner
>>     return func(*args, **kwargs)
>>
>>   File "/opt/stack/nova/nova/scheduler/manager.py", line 104, in
>> select_destinations
>>     dests = self.driver.select_destinations(ctxt, spec_obj)
>>
>>   File "/opt/stack/nova/nova/scheduler/filter_scheduler.py", line 74, in
>> select_destinations
>>     raise exception.NoValidHost(reason=reason)
>>
>> NoValidHost: No valid host was found. There are not enough hosts
>> available.
>>
>>
>>
>> Any suggestion? Thanks
>> --
>> Silvia Fichera
>>
>
>
>
> --
> Silvia Fichera
>
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