transformer LOG KeyError when transform cpu meter

[Guangyu Suo]

2013-07-31 14:24:40.883 6645 INFO ceilometer.compute.pollsters.cpu [-] checking instance 03aa599e-5ea2-4e5d-a46e-c3d81e102626
2013-07-31 14:24:40.895 6645 INFO ceilometer.compute.pollsters.cpu [-] CPUTIME USAGE: {'OS-EXT-STS:task_state': None, 'addresses': {u'private': [{u'OS-
2013-07-31 14:24:40.896 6645 AUDIT ceilometer.pipeline [-] Pipeline meter_pipeline: Publishing counters
2013-07-31 14:24:40.912 6645 AUDIT ceilometer.publisher.rpc [-] Publishing 1 counters on metering
2013-07-31 14:24:40.916 6645 AUDIT ceilometer.pipeline [-] Pipeline meter_pipeline: Published counters
2013-07-31 14:24:40.916 6645 WARNING ceilometer.pipeline [-] Pipeline cpu_pipeline: Exit after error from transformer<ceilometer.transformer.conversion
2013-07-31 14:24:40.917 6645 ERROR ceilometer.pipeline [-] not all arguments converted during string formatting
2013-07-31 14:24:40.917 6645 TRACE ceilometer.pipeline Traceback (most recent call last):
2013-07-31 14:24:40.917 6645 TRACE ceilometer.pipeline File "/opt/stack/ceilometer/ceilometer/pipeline.py", line 181, in _transform_counter
2013-07-31 14:24:40.917 6645 TRACE ceilometer.pipeline counter = transformer.handle_sample(ctxt, counter, source)
2013-07-31 14:24:40.917 6645 TRACE ceilometer.pipeline File "/opt/stack/ceilometer/ceilometer/transformer/conversions.py", line 143, in handle_sample
2013-07-31 14:24:40.917 6645 TRACE ceilometer.pipeline LOG.warn(_('dropping counter with no predecessor: %s') % counter)
2013-07-31 14:24:40.917 6645 TRACE ceilometer.pipeline TypeError: not all arguments converted during string formatting

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/39433

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/39433
Committed: http://github.com/openstack/ceilometer/commit/c9cd931eafef123387e9ed3342874dcf9e4848f5
Submitter: Jenkins
Branch: master

commit c9cd931eafef123387e9ed3342874dcf9e4848f5
Author: Guangyu Suo <email address hidden>
Date: Wed Jul 31 16:24:42 2013 +0800

    Fix transformer's LOG TypeError

    When transform cpu meter to cpu_util at first time, it will raise
    TypeError by LOG counter argument.

    Change-Id: Ie0915d2a4e51cd35a018339dca9700bb8c56ec80
    Fixs: bug #1206816