98 lines
4.0 KiB
Python
98 lines
4.0 KiB
Python
# Copyright (c) 2021, Red Hat, Inc.
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# All Rights Reserved.
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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 builtins
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import errno
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from unittest import mock
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import ddt
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from oslo_concurrency import processutils as putils
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import os_brick.privileged as privsep_brick
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import os_brick.privileged.nvmeof as privsep_nvme
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from os_brick.privileged import rootwrap
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from os_brick.tests import base
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@ddt.ddt
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class PrivNVMeTestCase(base.TestCase):
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def setUp(self):
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super(PrivNVMeTestCase, self).setUp()
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# Disable privsep server/client mode
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privsep_brick.default.set_client_mode(False)
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self.addCleanup(privsep_brick.default.set_client_mode, True)
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@mock.patch('os.chmod')
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@mock.patch.object(builtins, 'open', new_callable=mock.mock_open)
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@mock.patch('os.makedirs')
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@mock.patch.object(rootwrap, 'custom_execute')
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def test_create_hostnqn(self, mock_exec, mock_mkdirs, mock_open,
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mock_chmod):
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hostnqn = mock.Mock()
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mock_exec.return_value = (hostnqn, mock.sentinel.err)
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res = privsep_nvme.create_hostnqn()
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mock_mkdirs.assert_called_once_with('/etc/nvme',
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mode=0o755,
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exist_ok=True)
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mock_exec.assert_called_once_with('nvme', 'show-hostnqn')
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mock_open.assert_called_once_with('/etc/nvme/hostnqn', 'w')
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stripped_hostnqn = hostnqn.strip.return_value
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mock_open().write.assert_called_once_with(stripped_hostnqn)
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mock_chmod.assert_called_once_with('/etc/nvme/hostnqn', 0o644)
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self.assertEqual(stripped_hostnqn, res)
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@mock.patch('os.chmod')
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@mock.patch.object(builtins, 'open', new_callable=mock.mock_open)
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@mock.patch('os.makedirs')
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@mock.patch.object(rootwrap, 'custom_execute')
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def test_create_hostnqn_generate(self, mock_exec, mock_mkdirs, mock_open,
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mock_chmod):
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hostnqn = mock.Mock()
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mock_exec.side_effect = [
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putils.ProcessExecutionError(exit_code=errno.ENOENT),
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(hostnqn, mock.sentinel.err)
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]
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res = privsep_nvme.create_hostnqn()
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mock_mkdirs.assert_called_once_with('/etc/nvme',
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mode=0o755,
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exist_ok=True)
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self.assertEqual(2, mock_exec.call_count)
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mock_exec.assert_has_calls([mock.call('nvme', 'show-hostnqn'),
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mock.call('nvme', 'gen-hostnqn')])
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mock_open.assert_called_once_with('/etc/nvme/hostnqn', 'w')
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stripped_hostnqn = hostnqn.strip.return_value
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mock_open().write.assert_called_once_with(stripped_hostnqn)
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mock_chmod.assert_called_once_with('/etc/nvme/hostnqn', 0o644)
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self.assertEqual(stripped_hostnqn, res)
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@ddt.data(OSError(errno.ENOENT), # nvme not present in system
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putils.ProcessExecutionError(exit_code=123)) # nvme error
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@mock.patch('os.makedirs')
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@mock.patch.object(rootwrap, 'custom_execute')
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def test_create_hostnqn_nvme_not_present(self, exception,
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mock_exec, mock_mkdirs):
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mock_exec.side_effect = exception
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res = privsep_nvme.create_hostnqn()
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mock_mkdirs.assert_called_once_with('/etc/nvme',
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mode=0o755,
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exist_ok=True)
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mock_exec.assert_called_once_with('nvme', 'show-hostnqn')
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self.assertEqual('', res)
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