# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

"""
:mod:`nova.tests` -- Nova Unittests
=====================================================

.. automodule:: nova.tests
   :platform: Unix
"""

# TODO(mikal): move eventlet imports to nova.__init__ once we move to PBR
import os
import sys

# NOTE(mikal): All of this is because if dnspython is present in your
# environment then eventlet monkeypatches socket.getaddrinfo() with an
# implementation which doesn't work for IPv6. What we're checking here is
# that the magic environment variable was set when the import happened.
if ('eventlet' in sys.modules and
        os.environ.get('EVENTLET_NO_GREENDNS', '').lower() != 'yes'):
    raise ImportError('eventlet imported before nova/cmd/__init__ '
                      '(env var set to %s)'
                      % os.environ.get('EVENTLET_NO_GREENDNS'))

os.environ['EVENTLET_NO_GREENDNS'] = 'yes'

import eventlet

eventlet.monkey_patch(os=False)
