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[Bug 1350252] Re: test_l3_plugin fails when run as single test

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 04 Sep 2014 14:13:59 -0000
Reply-to: Bug 1350252 <1350252@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: neutron
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1350252

Title:
  test_l3_plugin fails when run as single test

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  tox  -e py27 neutron.tests.unit.test_l3_plugin
  fails as follows. This is bacause necessary oslo config isn't initialized properly by L3AgentDbIntTestCase and L3AgentDbSepTestCase

  The error log follows.
   $ tox -e py27 neutron.tests.unit.test_l3_plugin
  py27 develop-inst-nodeps: /home/yamahata/openstack/tacker/neutron-l3-plugin/upstream/neutron-l3-db-refacotr-0
  py27 runtests: commands[0] | python -m neutron.openstack.common.lockutils python setup.py testr --slowest --testr-args=neutron.tests.unit.test_l3_plugin
  running testr
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit} --list
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpNLNI_l
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpBl_vq6
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpO3NkaL
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpc3FrWL
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmppz6MIP
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmprcHfnW
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpVW99Uk
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpMC3U19
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpiqP4jI
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpK6j9JS
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmp_cFhYl
  running=OS_STDOUT_CAPTURE=1 OS_STDERR_CAPTURE=1 OS_LOG_CAPTURE=1 ${PYTHON:-python} -m subunit.run discover -t ./ ${OS_TEST_PATH:-./neutron/tests/unit}  --load-list /tmp/tmpNXI0Mi
  ======================================================================
  FAIL:
  neutron.tests.unit.test_l3_plugin.L3AgentDbSepTestCase.test_l3_agent_routers_query_floatingips
  tags: worker-10
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "neutron/tests/unit/test_l3_plugin.py", line 2073, in setUp
      self.core_plugin = TestNoL3NatPlugin()
    File "neutron/db/db_base_plugin_v2.py", line 72, in __init__
      db.configure_db()
    File "neutron/db/api.py", line 45, in configure_db
      register_models()
    File "neutron/db/api.py", line 68, in register_models
      facade = _create_facade_lazily()
    File "neutron/db/api.py", line 34, in _create_facade_lazily
      _FACADE = session.EngineFacade.from_config(cfg.CONF, sqlite_fk=True)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 977, in from_config
      retry_interval=conf.database.retry_interval)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 893, in __init__
      **engine_kwargs)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 650, in create_engine
      if "sqlite" in connection_dict.drivername:
  AttributeError: 'NoneType' object has no attribute 'drivername'
  ======================================================================
  FAIL: neutron.tests.unit.test_l3_plugin.L3AgentDbSepTestCase.test_router_gateway_op_agent
  tags: worker-10
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "neutron/tests/unit/test_l3_plugin.py", line 2073, in setUp
      self.core_plugin = TestNoL3NatPlugin()
    File "neutron/db/db_base_plugin_v2.py", line 72, in __init__
      db.configure_db()
    File "neutron/db/api.py", line 45, in configure_db
      register_models()
    File "neutron/db/api.py", line 68, in register_models
      facade = _create_facade_lazily()
    File "neutron/db/api.py", line 34, in _create_facade_lazily
      _FACADE = session.EngineFacade.from_config(cfg.CONF, sqlite_fk=True)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 977, in from_config
      retry_interval=conf.database.retry_interval)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 893, in __init__
      **engine_kwargs)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 650, in create_engine
      if "sqlite" in connection_dict.drivername:
  AttributeError: 'NoneType' object has no attribute 'drivername'
  ======================================================================
  FAIL: neutron.tests.unit.test_l3_plugin.L3AgentDbIntTestCase.test_l3_agent_routers_query_floatingips
  tags: worker-1
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "neutron/tests/unit/test_l3_plugin.py", line 2060, in setUp
      self.core_plugin = TestL3NatIntPlugin()
    File "neutron/db/db_base_plugin_v2.py", line 72, in __init__
      db.configure_db()
    File "neutron/db/api.py", line 45, in configure_db
      register_models()
    File "neutron/db/api.py", line 68, in register_models
      facade = _create_facade_lazily()
    File "neutron/db/api.py", line 34, in _create_facade_lazily
      _FACADE = session.EngineFacade.from_config(cfg.CONF, sqlite_fk=True)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 977, in from_config
      retry_interval=conf.database.retry_interval)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 893, in __init__
      **engine_kwargs)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 650, in create_engine
      if "sqlite" in connection_dict.drivername:
  AttributeError: 'NoneType' object has no attribute 'drivername'
  ======================================================================
  FAIL: neutron.tests.unit.test_l3_plugin.L3AgentDbSepTestCase.test_l3_agent_routers_query_ignore_interfaces_with_moreThanOneIp
  tags: worker-1
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "neutron/tests/unit/test_l3_plugin.py", line 2073, in setUp
      self.core_plugin = TestNoL3NatPlugin()
    File "neutron/db/db_base_plugin_v2.py", line 72, in __init__
      db.configure_db()
    File "neutron/db/api.py", line 45, in configure_db
      register_models()
    File "neutron/db/api.py", line 68, in register_models
      facade = _create_facade_lazily()
    File "neutron/db/api.py", line 34, in _create_facade_lazily
      _FACADE = session.EngineFacade.from_config(cfg.CONF, sqlite_fk=True)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 977, in from_config
      retry_interval=conf.database.retry_interval)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 893, in __init__
      **engine_kwargs)
    File "/neutron/.tox/py27/local/lib/python2.7/site-packages/oslo/db/sqlalchemy/session.py", line 650, in create_engine
      if "sqlite" in connection_dict.drivername:
  AttributeError: 'NoneType' object has no attribute 'drivername'
  ======================================================================
  FAIL: process-returncode
  tags: worker-10
  ----------------------------------------------------------------------
  Binary content:
    traceback (test/plain; charset="utf8")
  ======================================================================
  FAIL: process-returncode
  tags: worker-1
  ----------------------------------------------------------------------
  Binary content:
    traceback (test/plain; charset="utf8")
  Ran 304 (-13543) tests in 27.382s (-600.855s)
  FAILED (id=17, failures=6 (-2))
  error: testr failed (1)
  ERROR: InvocationError: '/neutron/.tox/py27/bin/python -m neutron.openstack.common.lockutils python setup.py testr --slowest --testr-args=neutron.tests.unit.test_l3_plugin'
  __________________________________________________________________ summary __________________________________________________________________
  ERROR:   py27: commands failed

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References

[Bug 1350252] [NEW] test_l3_plugin fails when run as single test
From: Isaku Yamahata, 2014-07-30