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[Bug 1641670] [NEW] Functional reload tests are flakey

 

Public bug reported:

http://logs.openstack.org/periodic-stable/periodic-glance-python27-db-
newton/95226d2/testr_results.html.gz is an example of a periodic gate
failure in Glance's functional test suite, specifically:
glance.tests.functional.test_reload.TestReload.test_reload

This test fails occasionally trying to assert that new log files are
created. At the moment, it's unclear exactly what the root cause of this
flakey test is. The test seems to work just fine locally, so reproducing
it may be time consume. For others, the complete output from the test
failure is:

    Traceback (most recent call last):
      File "glance/tests/functional/test_reload.py", line 251, in test_reload
        for _ in self.ticker(msg):
      File "glance/tests/functional/test_reload.py", line 72, in ticker
        self.fail(message)
      File "/home/jenkins/workspace/periodic-glance-python27-db-newton/.tox/py27/local/lib/python2.7/site-packages/unittest2/case.py", line 690, in fail
        raise self.failureException(msg)
    AssertionError: No new log file created

And the api log information has been reproduced here:
http://paste.openstack.org/show/589157/

** Affects: glance
     Importance: Undecided
         Status: New

** Affects: glance/newton
     Importance: Undecided
         Status: New

** Affects: glance/ocata
     Importance: Undecided
         Status: New

** Also affects: glance/ocata
   Importance: Undecided
       Status: New

** Also affects: glance/newton
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1641670

Title:
  Functional reload tests are flakey

Status in Glance:
  New
Status in Glance newton series:
  New
Status in Glance ocata series:
  New

Bug description:
  http://logs.openstack.org/periodic-stable/periodic-glance-python27-db-
  newton/95226d2/testr_results.html.gz is an example of a periodic gate
  failure in Glance's functional test suite, specifically:
  glance.tests.functional.test_reload.TestReload.test_reload

  This test fails occasionally trying to assert that new log files are
  created. At the moment, it's unclear exactly what the root cause of
  this flakey test is. The test seems to work just fine locally, so
  reproducing it may be time consume. For others, the complete output
  from the test failure is:

      Traceback (most recent call last):
        File "glance/tests/functional/test_reload.py", line 251, in test_reload
          for _ in self.ticker(msg):
        File "glance/tests/functional/test_reload.py", line 72, in ticker
          self.fail(message)
        File "/home/jenkins/workspace/periodic-glance-python27-db-newton/.tox/py27/local/lib/python2.7/site-packages/unittest2/case.py", line 690, in fail
          raise self.failureException(msg)
      AssertionError: No new log file created

  And the api log information has been reproduced here:
  http://paste.openstack.org/show/589157/

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