Qiming,

Guessing you were looking at master. if you checkout the review i
pointed to, you will see what others on the thread have pointed you
to:
https://github.com/openstack/oslo.log/blob/master/doc/source/usage.rst

We are using register_options and setup. we should be adding
register_options in the future as need arises.

dims@dims-mac:~/openstack/nova$ find . -name "*.py" -exec grep -H
logging {} \; | grep -e "\.setup" -e "\.register_options" -e
"\.set_defaults"
./nova/cmd/all.py:    logging.setup(CONF, "nova")
./nova/cmd/api.py:    logging.setup(CONF, "nova")
./nova/cmd/api_ec2.py:    logging.setup(CONF, "nova")
./nova/cmd/api_metadata.py:    logging.setup(CONF, "nova")
./nova/cmd/api_os_compute.py:    logging.setup(CONF, "nova")
./nova/cmd/cells.py:    logging.setup(CONF, 'nova')
./nova/cmd/cert.py:    logging.setup(CONF, "nova")
./nova/cmd/compute.py:    logging.setup(CONF, 'nova')
./nova/cmd/conductor.py:    logging.setup(CONF, "nova")
./nova/cmd/console.py:    logging.setup(CONF, "nova")
./nova/cmd/consoleauth.py:    logging.setup(CONF, "nova")
./nova/cmd/dhcpbridge.py:    logging.setup(CONF, "nova")
./nova/cmd/manage.py:        logging.setup(CONF, "nova")
./nova/cmd/network.py:    logging.setup(CONF, "nova")
./nova/cmd/novncproxy.py:    logging.setup(CONF, "nova")
./nova/cmd/novncproxy.py:    logging.setup(CONF, "nova")
./nova/cmd/objectstore.py:    logging.setup(config.CONF, "nova")
./nova/cmd/scheduler.py:    logging.setup(CONF, "nova")
./nova/cmd/serialproxy.py:    logging.setup(CONF, "nova")
./nova/cmd/spicehtml5proxy.py:    logging.setup(CONF, "nova")
./nova/cmd/xvpvncproxy.py:    logging.setup(config.CONF, "nova")
./nova/openstack/common/report/guru_meditation_report.py:
logging.setup(CONF, 'blah')
./nova/test.py:logging.register_options(CONF)
./nova/test.py:logging.setup(CONF, 'nova')

If you file a review with what you have, maybe we can help, again, pop
onto the #openstack-oslo channel to ask

-- dims

On Wed, Jan 21, 2015 at 10:25 AM, Qiming Teng
<teng...@linux.vnet.ibm.com> wrote:
> On Wed, Jan 21, 2015 at 08:25:57AM -0500, Davanum Srinivas wrote:
>> Qiming,
>>
>> Nova already uses oslo.config. there's a patch against nova to use
>> oslo_log. Doug took the effort to do this so we'd not face issues once
>> we release oslo_log, so yes, they have been tested together. Please
>> hop onto #openstack-oslo to debug in real time.
>>
>> [1] https://review.openstack.org/#/c/147635/
>>
>
> Well, just checked nova code, it seems openstack.common.log is still
> there. That means there are duplicated code such as the
> 'common_cli_opts' which resides in both openstack.common.log and
> oslo_log._options.
>
> I was getting the following error if I'm deleting openstack.common.log
> module:
>
> oslo_config.cfg.NoSuchOptError: no such option: log_config_append
>
> So ... even with oslo_log there, we still need openstack.common.log?
> Pretty confused and a little frustrated after two days of digging.
>
> Regards,
>   Qiming
>
>
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-- 
Davanum Srinivas :: https://twitter.com/dims

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