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Re: Get nova diagnostics to work with libvirt

To: Soren Hansen <soren@xxxxxxxxxxx>
From: Leander Bessa <leanderbb@xxxxxxxxx>
Date: Fri, 16 Mar 2012 16:28:35 +0000
Cc: openstack@xxxxxxxxxxxxxxxxxxx
In-reply-to: <CAO0GxJtk0Ee-25BiAg_+mUg8wS1pgYzidu3tasZdp63N1AtBWw@mail.gmail.com>
I'm keep running into this error when i run nova diagnostics <instance> in
essex-4. Any ideas?

2012-03-16 16:17:41 INFO nova.api.openstack.wsgi
> [req-374885a7-2a31-49e6-9afb-aeba8cdeed9a 9c59de1dbabc4fe29b97e9d4d8847fbd
> e429e26b8205485eb2102d4bc2c973fd]
> http://192.168.111.203:8774/v2/e429e26b8205485eb2102d4bc2c973fd/servers/detailreturned with HTTP 200
> 2012-03-16 16:18:03 INFO nova.api.openstack.wsgi
> [req-6ea023e4-4e14-42ce-a050-037587fb583c 9c59de1dbabc4fe29b97e9d4d8847fbd
> e429e26b8205485eb2102d4bc2c973fd] GET
> http://192.168.111.203:8774/v2/e429e26b8205485eb2102d4bc2c973fd/servers/3bc12246-2f1d-4f1f-97e1-ffc5bbb0db1f/diagnostics
> 2012-03-16 16:18:03 DEBUG nova.api.openstack.wsgi
> [req-6ea023e4-4e14-42ce-a050-037587fb583c 9c59de1dbabc4fe29b97e9d4d8847fbd
> e429e26b8205485eb2102d4bc2c973fd] Unrecognized Content-Type provided in
> request from (pid=3472) get_body
> /opt/stack/nova/nova/api/openstack/wsgi.py:697
> 2012-03-16 16:18:03 ERROR nova.api.openstack.wsgi
> [req-6ea023e4-4e14-42ce-a050-037587fb583c 9c59de1dbabc4fe29b97e9d4d8847fbd
> e429e26b8205485eb2102d4bc2c973fd] Exception handling resource: id() takes
> exactly one argument (0 given)
> (nova.api.openstack.wsgi): TRACE: Traceback (most recent call last):
> (nova.api.openstack.wsgi): TRACE:   File
> "/opt/stack/nova/nova/api/openstack/wsgi.py", line 851, in _process_stack
> (nova.api.openstack.wsgi): TRACE:     action_result = self.dispatch(meth,
> request, action_args)
> (nova.api.openstack.wsgi): TRACE:   File
> "/opt/stack/nova/nova/api/openstack/wsgi.py", line 926, in dispatch
> (nova.api.openstack.wsgi): TRACE:     return method(req=request,
> **action_args)
> (nova.api.openstack.wsgi): TRACE:   File
> "/opt/stack/nova/nova/api/openstack/compute/contrib/server_diagnostics.py",
> line 45, in index
> (nova.api.openstack.wsgi): TRACE:     instance = compute_api.get(context,
> id)
> (nova.api.openstack.wsgi): TRACE:   File
> "/opt/stack/nova/nova/compute/api.py", line 1022, in get
> (nova.api.openstack.wsgi): TRACE:     instance =
> self.db.instance_get(context, instance_id)
> (nova.api.openstack.wsgi): TRACE:   File "/opt/stack/nova/nova/db/api.py",
> line 557, in instance_get
> (nova.api.openstack.wsgi): TRACE:     return IMPL.instance_get(context,
> instance_id)
> (nova.api.openstack.wsgi): TRACE:   File
> "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 120, in wrapper
> (nova.api.openstack.wsgi): TRACE:     return f(*args, **kwargs)
> (nova.api.openstack.wsgi): TRACE:   File
> "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 1353, in instance_get
> (nova.api.openstack.wsgi): TRACE:     filter_by(id=instance_id).\
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 1652, in
> first
> (nova.api.openstack.wsgi): TRACE:     ret = list(self[0:1])
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 1560, in
> __getitem__
> (nova.api.openstack.wsgi): TRACE:     return list(res)
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 1721, in
> __iter__
> (nova.api.openstack.wsgi): TRACE:     return
> self._execute_and_instances(context)
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/query.py", line 1726, in
> _execute_and_instances
> (nova.api.openstack.wsgi): TRACE:     mapper=self._mapper_zero_or_none())
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 724, in
> execute
> (nova.api.openstack.wsgi): TRACE:     clause, params or {})
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1191, in
> execute
> (nova.api.openstack.wsgi): TRACE:     params)
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1269, in
> _execute_clauseelement
> (nova.api.openstack.wsgi): TRACE:     parameters=params
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1377, in
> __create_execution_context
> (nova.api.openstack.wsgi): TRACE:     connection=self, **kwargs)
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 388,
> in __init__
> (nova.api.openstack.wsgi): TRACE:     grp,m in enumerate(parameters)]
> (nova.api.openstack.wsgi): TRACE:   File
> "/usr/lib/python2.7/dist-packages/sqlalchemy/sql/compiler.py", line 291, in
> construct_params
> (nova.api.openstack.wsgi): TRACE:     pd[self.bind_names[bindparam]] =
> bindparam.value()
> (nova.api.openstack.wsgi): TRACE: TypeError: id() takes exactly one
> argument (0 given)
> (nova.api.openstack.wsgi): TRACE:
> 2012-03-16 16:18:03 INFO nova.api.openstack.wsgi
> [req-6ea023e4-4e14-42ce-a050-037587fb583c 9c59de1dbabc4fe29b97e9d4d8847fbd
> e429e26b8205485eb2102d4bc2c973fd]
> http://192.168.111.203:8774/v2/e429e26b8205485eb2102d4bc2c973fd/servers/3bc12246-2f1d-4f1f-97e1-ffc5bbb0db1f/diagnosticsreturned with HTTP 400





On Fri, Mar 16, 2012 at 1:53 PM, Leander Bessa <leanderbb@xxxxxxxxx> wrote:

> I don't remember where exactly i copied this from, but i found this in the
> mailing list somewhere. This supposedly is the output produced by the
> nova-diagnostics command with xen. Maybe this can help?
>
>
> +----------------+-----------------+
> |    Property    |      Value      |
> +----------------+-----------------+
> | cpu0           | 4.3627          |
> | memory         | 1171088064.0000 |
> | memory_target  | 1171088064.0000 |
> | vbd_xvda_read  | 0.0             |
> | vbd_xvda_write | 0.0             |
> | vif_0_rx       | 3223.6870       |
> | vif_0_tx       | 0.0             |
> | vif_1_rx       | 104.4955        |
> | vif_1_tx       | 0.0             |
> +----------------+-----------------+
>
>
> On Tue, Mar 13, 2012 at 11:49 AM, Soren Hansen <soren@xxxxxxxxxxx> wrote:
>
>> 2012/3/12 Vishvananda Ishaya <vishvananda@xxxxxxxxx>:
>> > Diagnostics are a bunch of key/value pairs, but unfortunately there
>> doesn't
>> > seem to be an example of what they are.  If someone running xen could
>> post
>> > the result of get_diagnostics so that it could be added to a docstring
>> and
>> > implemented for libvirt, that would be awesome.
>>
>> Once someone works out what this is actually supposed to look like,
>> please add
>> a unit test to test_virt_drivers to document it.
>>
>> --
>> Soren Hansen             | http://linux2go.dk/
>> Senior Software Engineer | http://www.cisco.com/
>> Ubuntu Developer         | http://www.ubuntu.com/
>> OpenStack Developer      | http://www.openstack.org/
>>
>
>
References

Get nova diagnostics to work with libvirt
From: Leander Bessa, 2012-03-12
Re: Get nova diagnostics to work with libvirt
From: Vishvananda Ishaya, 2012-03-12
Re: Get nova diagnostics to work with libvirt
From: Soren Hansen, 2012-03-13
Re: Get nova diagnostics to work with libvirt
From: Leander Bessa, 2012-03-16