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[Bug 1783095] [NEW] Fullstack tests fail on python3 parsing MTU configuration

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Bernard Cafarelli <bcafarel@xxxxxxxxxx>
Date: Mon, 23 Jul 2018 09:13:42 -0000
Reply-to: Bug 1783095 <1783095@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

On python3 gate master, fullstack tests fail to load configuration since
Ia838d2a661c5098f90b58b2cb31557f2ebf78868 was merged

Sample failure:
ft1.1: neutron.tests.fullstack.test_connectivity.TestConnectivitySameNetworkNoDhcp.test_connectivity(Open vSwitch agent)_StringException: traceback-1: {{{
Traceback (most recent call last):
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
    self._setUp()
  File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/config.py", line 103, in _setUp
    super(NeutronConfigFixture, self)._setUp()
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 55, in _setUp
    self.write_config_to_configfile()
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 58, in write_config_to_configfile
    config_parser = self.dict_to_config_parser(self.config)
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 71, in dict_to_config_parser
    config_parser.set(section, option, value)
  File "/usr/lib/python3.5/configparser.py", line 1189, in set
    self._validate_value_types(option=option, value=value)
  File "/usr/lib/python3.5/configparser.py", line 1174, in _validate_value_types
    raise TypeError("option values must be strings")
TypeError: option values must be strings

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 208, in setUp
    raise SetupError(details)
fixtures.fixture.SetupError: {}
}}}

traceback-2: {{{
Traceback (most recent call last):
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
    self._setUp()
  File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/config.py", line 103, in _setUp
    super(NeutronConfigFixture, self)._setUp()
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 55, in _setUp
    self.write_config_to_configfile()
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 58, in write_config_to_configfile
    config_parser = self.dict_to_config_parser(self.config)
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 71, in dict_to_config_parser
    config_parser.set(section, option, value)
  File "/usr/lib/python3.5/configparser.py", line 1189, in set
    self._validate_value_types(option=option, value=value)
  File "/usr/lib/python3.5/configparser.py", line 1174, in _validate_value_types
    raise TypeError("option values must be strings")
TypeError: option values must be strings

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
    self._setUp()
  File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/environment.py", line 380, in _setUp
    cfg.CONF.database.connection, self.rabbitmq_environment))
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 257, in useFixture
    fixture.setUp()
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 212, in setUp
    raise MultipleExceptions(*errors)
testtools.runtest.MultipleExceptions: ((<class 'TypeError'>, TypeError('option values must be strings',), <traceback object at 0x7f74e3b229c8>), (<class 'fixtures.fixture.SetupError'>, SetupError({},), <traceback object at 0x7f74e3ae9048>))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 208, in setUp
    raise SetupError(details)
fixtures.fixture.SetupError: {}
}}}

Traceback (most recent call last):
  File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
    self._setUp()
  File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/config.py", line 103, in _setUp
    super(NeutronConfigFixture, self)._setUp()
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 55, in _setUp
    self.write_config_to_configfile()
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 58, in write_config_to_configfile
    config_parser = self.dict_to_config_parser(self.config)
  File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 71, in dict_to_config_parser
    config_parser.set(section, option, value)
  File "/usr/lib/python3.5/configparser.py", line 1189, in set
    self._validate_value_types(option=option, value=value)
  File "/usr/lib/python3.5/configparser.py", line 1174, in _validate_value_types
    raise TypeError("option values must be strings")
TypeError: option values must be strings

** Affects: neutron
     Importance: Medium
     Assignee: Bernard Cafarelli (bcafarel)
         Status: In Progress


** Tags: fullstack py34

** Tags removed: full
** Tags added: fullstack py34

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https://bugs.launchpad.net/bugs/1783095

Title:
  Fullstack tests fail on python3 parsing MTU configuration

Status in neutron:
  In Progress

Bug description:
  On python3 gate master, fullstack tests fail to load configuration
  since Ia838d2a661c5098f90b58b2cb31557f2ebf78868 was merged

  Sample failure:
  ft1.1: neutron.tests.fullstack.test_connectivity.TestConnectivitySameNetworkNoDhcp.test_connectivity(Open vSwitch agent)_StringException: traceback-1: {{{
  Traceback (most recent call last):
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
      self._setUp()
    File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/config.py", line 103, in _setUp
      super(NeutronConfigFixture, self)._setUp()
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 55, in _setUp
      self.write_config_to_configfile()
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 58, in write_config_to_configfile
      config_parser = self.dict_to_config_parser(self.config)
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 71, in dict_to_config_parser
      config_parser.set(section, option, value)
    File "/usr/lib/python3.5/configparser.py", line 1189, in set
      self._validate_value_types(option=option, value=value)
    File "/usr/lib/python3.5/configparser.py", line 1174, in _validate_value_types
      raise TypeError("option values must be strings")
  TypeError: option values must be strings

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 208, in setUp
      raise SetupError(details)
  fixtures.fixture.SetupError: {}
  }}}

  traceback-2: {{{
  Traceback (most recent call last):
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
      self._setUp()
    File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/config.py", line 103, in _setUp
      super(NeutronConfigFixture, self)._setUp()
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 55, in _setUp
      self.write_config_to_configfile()
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 58, in write_config_to_configfile
      config_parser = self.dict_to_config_parser(self.config)
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 71, in dict_to_config_parser
      config_parser.set(section, option, value)
    File "/usr/lib/python3.5/configparser.py", line 1189, in set
      self._validate_value_types(option=option, value=value)
    File "/usr/lib/python3.5/configparser.py", line 1174, in _validate_value_types
      raise TypeError("option values must be strings")
  TypeError: option values must be strings

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
      self._setUp()
    File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/environment.py", line 380, in _setUp
      cfg.CONF.database.connection, self.rabbitmq_environment))
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 257, in useFixture
      fixture.setUp()
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 212, in setUp
      raise MultipleExceptions(*errors)
  testtools.runtest.MultipleExceptions: ((<class 'TypeError'>, TypeError('option values must be strings',), <traceback object at 0x7f74e3b229c8>), (<class 'fixtures.fixture.SetupError'>, SetupError({},), <traceback object at 0x7f74e3ae9048>))

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 208, in setUp
      raise SetupError(details)
  fixtures.fixture.SetupError: {}
  }}}

  Traceback (most recent call last):
    File "/opt/stack/new/neutron/.tox/dsvm-fullstack-python35/lib/python3.5/site-packages/fixtures/fixture.py", line 197, in setUp
      self._setUp()
    File "/opt/stack/new/neutron/neutron/tests/fullstack/resources/config.py", line 103, in _setUp
      super(NeutronConfigFixture, self)._setUp()
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 55, in _setUp
      self.write_config_to_configfile()
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 58, in write_config_to_configfile
      config_parser = self.dict_to_config_parser(self.config)
    File "/opt/stack/new/neutron/neutron/tests/common/config_fixtures.py", line 71, in dict_to_config_parser
      config_parser.set(section, option, value)
    File "/usr/lib/python3.5/configparser.py", line 1189, in set
      self._validate_value_types(option=option, value=value)
    File "/usr/lib/python3.5/configparser.py", line 1174, in _validate_value_types
      raise TypeError("option values must be strings")
  TypeError: option values must be strings

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Follow ups

[Bug 1783095] Re: Fullstack tests fail on python3 parsing MTU configuration
From: OpenStack Infra, 2018-07-26