102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
# Copyright 2013 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from cloudbaseinit.plugins.common import base
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from cloudbaseinit.plugins.common import sethostname
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from cloudbaseinit.tests.metadata import fake_json_response
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from cloudbaseinit.tests import testutils
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class SetHostNamePluginPluginTests(unittest.TestCase):
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def setUp(self):
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self._sethostname_plugin = sethostname.SetHostNamePlugin()
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self.fake_data = fake_json_response.get_fake_metadata_json(
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'2013-04-04')
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@testutils.ConfPatcher('netbios_host_name_compatibility', True)
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@mock.patch('platform.node')
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@mock.patch('cloudbaseinit.osutils.factory.get_os_utils')
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def _test_execute(self, mock_get_os_utils, mock_node, hostname_exists=True,
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hostname_already_set=False, new_hostname_length=1,
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hostname_truncate_to_zero=False):
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mock_service = mock.MagicMock()
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mock_osutils = mock.MagicMock()
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fake_shared_data = 'fake data'
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new_hostname = 'x' * new_hostname_length
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if hostname_truncate_to_zero:
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new_hostname = ('%s-') % new_hostname[:-1]
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if hostname_exists:
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mock_service.get_host_name.return_value = new_hostname
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else:
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mock_service.get_host_name.return_value = None
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mock_get_os_utils.return_value = mock_osutils
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if hostname_exists is True:
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length = sethostname.NETBIOS_HOST_NAME_MAX_LEN
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hostname = new_hostname.split('.', 1)[0]
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if len(new_hostname) > length:
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hostname = hostname[:length]
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if hostname_truncate_to_zero:
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hostname = ('%s0') % hostname[:-1]
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if hostname_already_set:
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mock_node.return_value = hostname
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else:
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mock_node.return_value = 'fake_old_value'
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response = self._sethostname_plugin.execute(mock_service,
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fake_shared_data)
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mock_service.get_host_name.assert_called_once_with()
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if hostname_exists is True:
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mock_get_os_utils.assert_called_once_with()
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if hostname_already_set:
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self.assertFalse(mock_osutils.set_host_name.called)
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else:
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mock_osutils.set_host_name.assert_called_once_with(hostname)
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self.assertEqual((base.PLUGIN_EXECUTION_DONE,
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hostname_exists and not hostname_already_set),
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response)
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def test_execute_hostname_already_set(self):
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self._test_execute(hostname_already_set=True)
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def test_execute_hostname_to_be_truncated(self):
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self._test_execute(
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new_hostname_length=sethostname.NETBIOS_HOST_NAME_MAX_LEN + 1)
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def test_execute_no_truncate_needed(self):
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self._test_execute(
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new_hostname_length=sethostname.NETBIOS_HOST_NAME_MAX_LEN)
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def test_execute_truncate_to_zero(self):
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self._test_execute(
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new_hostname_length=sethostname.NETBIOS_HOST_NAME_MAX_LEN,
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hostname_truncate_to_zero=True)
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def test_execute_no_hostname(self):
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self._test_execute(hostname_exists=False)
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