[tempest] urllib failure running under py3

[Tom Barron]

When running manila-tempest-plugin under python3 we encounter the following error because the urllib2 module isn't available in python3:

2019-01-05 17:36:55.749712 | controller | 2019-01-05 17:36:55.749 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L135: echo 'Running tempest manila test suites'
2019-01-05 17:36:55.751300 | controller | 2019-01-05 17:36:55.750 | Running tempest manila test suites
2019-01-05 17:36:55.752798 | controller | 2019-01-05 17:36:55.752 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L136: [[ api == \a\p\i ]]
2019-01-05 17:36:55.754862 | controller | 2019-01-05 17:36:55.754 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L137: export MANILA_TESTS=manila_tempest_tests.tests.api
2019-01-05 17:36:55.757179 | controller | 2019-01-05 17:36:55.756 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L137: MANILA_TESTS=manila_tempest_tests.tests.api
2019-01-05 17:36:55.759580 | controller | 2019-01-05 17:36:55.759 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L141: export MANILA_TEMPEST_CONCURRENCY=12
2019-01-05 17:36:55.761926 | controller | 2019-01-05 17:36:55.761 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L141: MANILA_TEMPEST_CONCURRENCY=12
2019-01-05 17:36:55.764743 | controller | 2019-01-05 17:36:55.764 | ++ /opt/stack/new/devstack-plugin-ceph/manila/post_test_hook.sh:source:L143: sudo -H -u zuul tempest run -r manila_tempest_tests.tests.api --concurrency=12
2019-01-05 17:36:55.766713 | controller | 2019-01-05 17:36:55.766 | /usr/local/lib/python3.6/dist-packages/eventlet/patcher.py:1: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
2019-01-05 17:36:55.768089 | controller | 2019-01-05 17:36:55.767 | import imp
2019-01-05 17:36:55.770783 | controller | 2019-01-05 17:36:55.770 | sys:1: ResourceWarning: unclosed file <_io.FileIO name=1 mode='wb' closefd=True>
2019-01-05 17:36:55.772772 | controller | 2019-01-05 17:36:55.772 |
2019-01-05 17:36:55.774678 | controller | 2019-01-05 17:36:55.774 | =========================
2019-01-05 17:36:55.776333 | controller | 2019-01-05 17:36:55.775 | Failures during discovery
2019-01-05 17:36:55.778802 | controller | 2019-01-05 17:36:55.778 | =========================
2019-01-05 17:36:55.780740 | controller | 2019-01-05 17:36:55.780 | --- import errors ---
2019-01-05 17:36:55.783034 | controller | 2019-01-05 17:36:55.782 | Failed to import test module: manila_tempest_tests.tests.scenario.test_share_basic_ops
2019-01-05 17:36:55.784887 | controller | 2019-01-05 17:36:55.784 | Traceback (most recent call last):
2019-01-05 17:36:55.786730 | controller | 2019-01-05 17:36:55.786 | File "/usr/local/lib/python3.6/dist-packages/unittest2/loader.py", line 456, in _find_test_path
2019-01-05 17:36:55.788498 | controller | 2019-01-05 17:36:55.787 | module = self._get_module_from_name(name)
2019-01-05 17:36:55.791113 | controller | 2019-01-05 17:36:55.790 | File "/usr/local/lib/python3.6/dist-packages/unittest2/loader.py", line 395, in _get_module_from_name
2019-01-05 17:36:55.793417 | controller | 2019-01-05 17:36:55.792 | __import__(name)
2019-01-05 17:36:55.795499 | controller | 2019-01-05 17:36:55.794 | File "/opt/stack/new/manila-tempest-plugin/manila_tempest_tests/tests/scenario/test_share_basic_ops.py", line 26, in <module>
2019-01-05 17:36:55.797707 | controller | 2019-01-05 17:36:55.797 | from manila_tempest_tests.tests.scenario import manager_share as manager
2019-01-05 17:36:55.800063 | controller | 2019-01-05 17:36:55.799 | File "/opt/stack/new/manila-tempest-plugin/manila_tempest_tests/tests/scenario/manager_share.py", line 31, in <module>
2019-01-05 17:36:55.801857 | controller | 2019-01-05 17:36:55.801 | from urllib2 import urlopen
2019-01-05 17:36:55.803894 | controller | 2019-01-05 17:36:55.803 | ModuleNotFoundError: No module named 'urllib2'
2019-01-05 17:36:55.806091 | controller | 2019-01-05 17:36:55.805 |
2019-01-05 17:36:55.808331 | controller | 2019-01-05 17:36:55.807 | ================================================================================
2019-01-05 17:36:55.810117 | controller | 2019-01-05 17:36:55.809 | The above traceback was encountered during test discovery which imports all the found test modules in the specified test_path.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/628675
Committed: https://git.openstack.org/cgit/openstack/manila-tempest-plugin/commit/?id=8e9a39abbf0bfff5448422dc1bcc6bddb7682355
Submitter: Zuul
Branch: master

commit 8e9a39abbf0bfff5448422dc1bcc6bddb7682355
Author: Goutham Pacha Ravi <email address hidden>
Date: Fri Jan 4 12:26:26 2019 -0800

    Py3: Use urlopen from six.moves.urllib.request

    Namespaces within the urllib2 package have
    changed between python2x and python3x.

    Closes-bug: #1810610
    Change-Id: I2a044ba76970393c587d6bc8d07280a7727bbe21

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/manila-tempest-plugin 0.2.0 release.