115 lines
4.9 KiB
Python
115 lines
4.9 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from unittest import mock
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from oslo_concurrency import processutils
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from ironic_python_agent import errors
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from ironic_python_agent import raid_utils
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from ironic_python_agent.tests.unit import base
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from ironic_python_agent.tests.unit.samples import hardware_samples as hws
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from ironic_python_agent import utils
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class TestRaidUtils(base.IronicAgentTest):
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@mock.patch.object(utils, 'execute', autospec=True)
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def test__get_actual_component_devices(self, mock_execute):
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mock_execute.side_effect = [(hws.MDADM_DETAIL_OUTPUT, '')]
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component_devices = raid_utils._get_actual_component_devices(
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'/dev/md0')
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self.assertEqual(['/dev/vde1', '/dev/vdf1'], component_devices)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test__get_actual_component_devices_broken_raid0(self, mock_execute):
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mock_execute.side_effect = [(hws.MDADM_DETAIL_OUTPUT_BROKEN_RAID0, '')]
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component_devices = raid_utils._get_actual_component_devices(
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'/dev/md126')
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self.assertEqual(['/dev/sda2'], component_devices)
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@mock.patch.object(raid_utils, '_get_actual_component_devices',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_create_raid_device(self, mock_execute, mocked_components):
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logical_disk = {
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"block_devices": ['/dev/sda', '/dev/sdb', '/dev/sdc'],
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"raid_level": "1",
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}
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mocked_components.return_value = ['/dev/sda1',
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'/dev/sdb1',
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'/dev/sdc1']
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raid_utils.create_raid_device(0, logical_disk)
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mock_execute.assert_called_once_with(
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'mdadm', '--create', '/dev/md0', '--force', '--run',
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'--metadata=1', '--level', '1', '--raid-devices', 3,
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'/dev/sda1', '/dev/sdb1', '/dev/sdc1')
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@mock.patch.object(raid_utils, '_get_actual_component_devices',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_create_raid_device_missing_device(self, mock_execute,
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mocked_components):
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logical_disk = {
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"block_devices": ['/dev/sda', '/dev/sdb', '/dev/sdc'],
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"raid_level": "1",
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}
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mocked_components.return_value = ['/dev/sda1',
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'/dev/sdc1']
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raid_utils.create_raid_device(0, logical_disk)
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expected_calls = [
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mock.call('mdadm', '--create', '/dev/md0', '--force', '--run',
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'--metadata=1', '--level', '1', '--raid-devices', 3,
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'/dev/sda1', '/dev/sdb1', '/dev/sdc1'),
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mock.call('mdadm', '--add', '/dev/md0', '/dev/sdb1',
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attempts=3, delay_on_retry=True)
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]
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self.assertEqual(mock_execute.call_count, 2)
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mock_execute.assert_has_calls(expected_calls)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_create_raid_device_fail_create_device(self, mock_execute):
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logical_disk = {
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"block_devices": ['/dev/sda', '/dev/sdb', '/dev/sdc'],
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"raid_level": "1",
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}
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mock_execute.side_effect = processutils.ProcessExecutionError()
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self.assertRaisesRegex(errors.SoftwareRAIDError,
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"Failed to create md device /dev/md0",
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raid_utils.create_raid_device, 0,
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logical_disk)
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@mock.patch.object(raid_utils, '_get_actual_component_devices',
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autospec=True)
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@mock.patch.object(utils, 'execute', autospec=True)
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def test_create_raid_device_fail_read_device(self, mock_execute,
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mocked_components):
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logical_disk = {
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"block_devices": ['/dev/sda', '/dev/sdb', '/dev/sdc'],
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"raid_level": "1",
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}
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mock_execute.side_effect = [mock.Mock,
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processutils.ProcessExecutionError()]
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mocked_components.return_value = ['/dev/sda1',
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'/dev/sdc1']
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self.assertRaisesRegex(errors.SoftwareRAIDError,
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"Failed re-add /dev/sdb1 to /dev/md0",
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raid_utils.create_raid_device, 0,
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logical_disk)
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