make Gnocchi logs accessible about pifpaf HOT 8 CLOSED

You can pass the --debug flag to pifpaf so it prints program output debug to stdout. Is there anything specific that you are trying to debug that is not covered by this option?

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let me try again, when i did --debug all that was printed was the startup information of the driver. i couldn't see metricd.logs.

trying to see what is happening internally. ie for example, if gnocchi is really backed up or processing very slow, from API i can only tell i don't see expected measures but not real issue behind it. if there's a better way to debug this than i'm up for trying that :)

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Right, that's a much better explanation of your problem. No, currently there's no way to have logs because they are not configured. But it should be pretty easy to change the Gnocchi driver to make Gnocchi write log files (when --debug is used) in pifpaf's temporary directory. Let me give it a try.

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@chungg Can you give a try to the branch above to see if that helps? This passes debug = true to Gnocchi when pifpaf --debug is used, the log should be available on stderr, not only the startup one then.

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got following (i might have edited env wrong):

ERROR: pifpaf: Traceback (most recent call last):
File "/opt/stack/gnocchi/.tox/py27-mysql-file/lib/python2.7/site-packages/fixtures/fixture.py", line 197, in setUp
self._setUp()
File "/opt/stack/gnocchi/.tox/py27-mysql-file/lib/python2.7/site-packages/pifpaf/drivers/gnocchi.py", line 154, in _setUp
url = %s""" % (self.debug,
AttributeError: 'GnocchiDriver' object has no attribute 'debug'

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Weird, works here. Did you checkout the entire branch at https://github.com/jd/pifpaf/tree/jd/gnocchi-log ? there's 2 commits and the first one adds self.debug to drivers.

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yeah, i missed the first commit. i just gave it a shot and it gives gnocchi metricd output. one issue is that it seems to be only giving logs from the initial startup of service. when running in tox against tests, it doesn't actually show what is happening when tests are running (unless this is being written to somewhere other than stdout)

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If you type pifpaf --debug run gnocchi $SHELL you'll see the constant output from metricd on stderr, which tends to indicate that it works. There might be something in tox eating the output?

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