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[Ben Nemec <openstack@xxxxxxxxxxxx>]

Okay, the reason this works with site-packages disabled is that then it
pulls down oslo.config from pypi, which is older than the one installed
by devstack.  I git bisected the problem down to this commit:
https://github.com/openstack/oslo.config/commit/2422d4118c97734067ea0b37ae159bc2e3c492c5

It appears that a legitimate bug crept in with that change, but I'm
flummoxed as to how this passed the integration tests in the gate.  The
Nova unit tests should be blowing up _any_ time they are running with an
oslo.config newer than that commit. :-/

** Also affects: oslo
   Importance: Undecided
       Status: New

** Changed in: oslo
       Status: New => Triaged

** Changed in: oslo
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1282250

Title:
  Unit tests fail with ConfigNotFound: Could not find config at
  $state_path/etc/nova/api-paste.ini

Status in OpenStack Compute (Nova):
  Confirmed
Status in Oslo - a Library of Common OpenStack Code:
  Triaged

Bug description:
  Steps to replicate:
  - Ubuntu 10.04 running devstack
  - cd to /opt/stack/nova
  - Check out nova at master (7093b847f624300dcc9452063187c1da735e0c85)
  - tox -e py27

  
  Many tests fail with this error message. For example:
  ======================================================================
  FAIL: nova.tests.integrated.test_api_samples.AdminActionsSamplesJsonTest.test_post_reset_state
  tags: worker-2
  ----------------------------------------------------------------------
  Empty attachments:
    stdout

  pythonlogging:'': {{{
  AUDIT [nova.service] Starting conductor node (version 2014.1)
  INFO [nova.virt.driver] Loading compute driver 'nova.virt.fake.FakeDriver'
  AUDIT [nova.service] Starting compute node (version 2014.1)
  AUDIT [nova.compute.resource_tracker] Auditing locally available compute resources
  AUDIT [nova.compute.resource_tracker] Free ram (MB): 7680
  AUDIT [nova.compute.resource_tracker] Free disk (GB): 1028
  AUDIT [nova.compute.resource_tracker] Free VCPUS: 1
  INFO [nova.compute.resource_tracker] Compute_service record created for 5fdeebe84e494959ad0e057ec33d5079:fake-mini
  AUDIT [nova.service] Starting cert node (version 2014.1)
  AUDIT [nova.service] Starting consoleauth node (version 2014.1)
  INFO [nova.network.driver] Loading network driver 'nova.network.linux_net'
  AUDIT [nova.service] Starting network node (version 2014.1)
  AUDIT [nova.service] Starting scheduler node (version 2014.1)
  WARNING [nova.cells.manager] The cells feature of Nova is considered experimental by the OpenStack project because it receives much less testing than the rest of Nova. This may change in the future, but current deployers should be aware that the use of it in production right now may be risky.
  AUDIT [nova.service] Starting cells node (version 2014.1)
  }}}

  stderr: {{{
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  nova/servicegroup/api.py:78: DeprecationWarning: object.__init__() takes no parameters
    super(API, self).__init__(*args, **kwargs)
  }}}

  Traceback (most recent call last):
    File "nova/tests/integrated/test_api_samples.py", line 1832, in setUp
      super(AdminActionsSamplesJsonTest, self).setUp()
    File "nova/tests/integrated/test_api_samples.py", line 96, in setUp
      super(ApiSampleTestBaseV2, self).setUp()
    File "nova/tests/integrated/integrated_helpers.py", line 80, in setUp
      self._start_api_service()
    File "nova/tests/integrated/integrated_helpers.py", line 105, in _start_api_service
      self.osapi = service.WSGIService("osapi_compute")
    File "nova/service.py", line 349, in __init__
      self.loader = loader or wsgi.Loader()
    File "nova/wsgi.py", line 489, in __init__
      raise exception.ConfigNotFound(path=config_path)
  ConfigNotFound: Could not find config at $state_path/etc/nova/api-paste.ini
  ======================================================================

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