Tox Occasional test_one_network_label_exact Failure

[Auston McReynolds]

The occasional tox run unearths a failure in test_one_network_label_exact:

out: Ran 309 tests in 44.038s
out:
out: OK (SKIP=17)
out: py27 runtests: commands[2] | python setup.py testr --slowest
out: running testr
out: running=${PYTHON:-python} -m subunit.run discover ./trove/tests/unittests --list
out: running=${PYTHON:-python} -m subunit.run discover ./trove/tests/unittests --load-list /tmp/tmpZPdKr0
out: running=${PYTHON:-python} -m subunit.run discover ./trove/tests/unittests --load-list /tmp/tmpCRMjj8
out: No handlers could be found for logger "trove.guestagent.strategies.storage.swift"
out: No handlers could be found for logger "trove.guestagent.backup.backupagent"
out: ======================================================================
out: FAIL: instance.test_instance_views.InstanceViewsTest.test_one_network_label_exact
out: tags: worker-1
out: ----------------------------------------------------------------------
out: Traceback (most recent call last):
out: File "/opt/stack/trove/trove/tests/unittests/instance/test_instance_views.py", line 44, in test_one_network_label_exact
out: self.assertEqual(['10.123.123.123'], ip)
out: File "/opt/stack/trove/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 324, in assertEqual
out: self.assertThat(observed, matcher, message)
out: File "/opt/stack/trove/.tox/py27/local/lib/python2.7/site-packages/testtools/testcase.py", line 414, in assertThat
out: raise MismatchError(matchee, matcher, mismatch, verbose)
out: MismatchError: ['10.123.123.123'] != []
out: ======================================================================
out: FAIL: process-returncode
out: tags: worker-1
out: ----------------------------------------------------------------------
out: Binary content:
out: traceback (test/plain; charset="utf8")
out: Ran 554 (+1) tests in 26.503s (-1.023s)
out: FAILED (id=1, failures=2 (+2), skips=2)
out: error: testr failed (1)

this happens every so often, but is not consistently reproducible.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/69153

[Sushil Kumar (sushil-kumar2)]

I too have got this error message sometimes while runing the tox yesterday, but cannot understand the underlying problem.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/69153
Committed: https://git.openstack.org/cgit/openstack/trove/commit/?id=2f6e8a246c0c1ebf4162b37e360877475fa63126
Submitter: Jenkins
Branch: master

commit 2f6e8a246c0c1ebf4162b37e360877475fa63126
Author: amcrn <email address hidden>
Date: Sat Jan 25 17:56:12 2014 -0800

    Fix Occasional test_one_network_label_exact Fail

    fixes the occasional tox failure for test_one_network_label_exact by
    saving and restoring the original conf values before every test.

    see bug details for more information.

    Closes-Bug: #1272806

    Change-Id: Ib051b5325c0914f2ab3bc293b0052abe8257996d