176 lines
6.8 KiB
Python
176 lines
6.8 KiB
Python
# Copyright 2015, 2017 IBM Corp.
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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 fixtures
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import mock
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from pypowervm import exceptions as pvm_exc
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from nova import test
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from nova.virt.powervm.tasks import storage as tf_stg
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class TestStorage(test.NoDBTestCase):
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def setUp(self):
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super(TestStorage, self).setUp()
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self.adapter = mock.Mock()
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self.disk_dvr = mock.MagicMock()
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self.mock_cfg_drv = self.useFixture(fixtures.MockPatch(
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'nova.virt.powervm.media.ConfigDrivePowerVM')).mock
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self.mock_mb = self.mock_cfg_drv.return_value
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self.instance = mock.MagicMock()
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self.context = 'context'
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def test_create_and_connect_cfg_drive(self):
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# With a specified FeedTask
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task = tf_stg.CreateAndConnectCfgDrive(
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self.adapter, self.instance, 'injected_files',
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'network_info', 'stg_ftsk', admin_pass='admin_pass')
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task.execute('mgmt_cna')
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self.mock_cfg_drv.assert_called_once_with(self.adapter)
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self.mock_mb.create_cfg_drv_vopt.assert_called_once_with(
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self.instance, 'injected_files', 'network_info', 'stg_ftsk',
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admin_pass='admin_pass', mgmt_cna='mgmt_cna')
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# Normal revert
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task.revert('mgmt_cna', 'result', 'flow_failures')
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self.mock_mb.dlt_vopt.assert_called_once_with(self.instance,
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'stg_ftsk')
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self.mock_mb.reset_mock()
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# Revert when dlt_vopt fails
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self.mock_mb.dlt_vopt.side_effect = pvm_exc.Error('fake-exc')
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task.revert('mgmt_cna', 'result', 'flow_failures')
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self.mock_mb.dlt_vopt.assert_called_once()
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self.mock_mb.reset_mock()
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# Revert when media builder not created
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task.mb = None
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task.revert('mgmt_cna', 'result', 'flow_failures')
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self.mock_mb.assert_not_called()
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# Validate args on taskflow.task.Task instantiation
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with mock.patch('taskflow.task.Task.__init__') as tf:
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tf_stg.CreateAndConnectCfgDrive(
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self.adapter, self.instance, 'injected_files',
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'network_info', 'stg_ftsk', admin_pass='admin_pass')
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tf.assert_called_once_with(name='cfg_drive', requires=['mgmt_cna'])
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def test_delete_vopt(self):
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# Test with no FeedTask
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task = tf_stg.DeleteVOpt(self.adapter, self.instance)
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task.execute()
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self.mock_cfg_drv.assert_called_once_with(self.adapter)
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self.mock_mb.dlt_vopt.assert_called_once_with(
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self.instance, stg_ftsk=None)
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self.mock_cfg_drv.reset_mock()
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self.mock_mb.reset_mock()
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# With a specified FeedTask
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task = tf_stg.DeleteVOpt(self.adapter, self.instance, stg_ftsk='ftsk')
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task.execute()
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self.mock_cfg_drv.assert_called_once_with(self.adapter)
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self.mock_mb.dlt_vopt.assert_called_once_with(
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self.instance, stg_ftsk='ftsk')
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# Validate args on taskflow.task.Task instantiation
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with mock.patch('taskflow.task.Task.__init__') as tf:
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tf_stg.DeleteVOpt(self.adapter, self.instance)
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tf.assert_called_once_with(name='vopt_delete')
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def test_delete_disk(self):
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stor_adpt_mappings = mock.Mock()
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task = tf_stg.DeleteDisk(self.disk_dvr)
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task.execute(stor_adpt_mappings)
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self.disk_dvr.delete_disks.assert_called_once_with(stor_adpt_mappings)
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# Validate args on taskflow.task.Task instantiation
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with mock.patch('taskflow.task.Task.__init__') as tf:
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tf_stg.DeleteDisk(self.disk_dvr)
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tf.assert_called_once_with(
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name='delete_disk', requires=['stor_adpt_mappings'])
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def test_detach_disk(self):
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task = tf_stg.DetachDisk(self.disk_dvr, self.instance)
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task.execute()
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self.disk_dvr.detach_disk.assert_called_once_with(self.instance)
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# Validate args on taskflow.task.Task instantiation
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with mock.patch('taskflow.task.Task.__init__') as tf:
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tf_stg.DetachDisk(self.disk_dvr, self.instance)
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tf.assert_called_once_with(
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name='detach_disk', provides='stor_adpt_mappings')
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def test_attach_disk(self):
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stg_ftsk = mock.Mock()
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disk_dev_info = mock.Mock()
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task = tf_stg.AttachDisk(self.disk_dvr, self.instance, stg_ftsk)
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task.execute(disk_dev_info)
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self.disk_dvr.attach_disk.assert_called_once_with(
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self.instance, disk_dev_info, stg_ftsk)
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task.revert(disk_dev_info, 'result', 'flow failures')
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self.disk_dvr.detach_disk.assert_called_once_with(self.instance)
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self.disk_dvr.detach_disk.reset_mock()
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# Revert failures are not raised
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self.disk_dvr.detach_disk.side_effect = pvm_exc.TimeoutError(
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"timed out")
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task.revert(disk_dev_info, 'result', 'flow failures')
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self.disk_dvr.detach_disk.assert_called_once_with(self.instance)
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# Validate args on taskflow.task.Task instantiation
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with mock.patch('taskflow.task.Task.__init__') as tf:
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tf_stg.AttachDisk(self.disk_dvr, self.instance, stg_ftsk)
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tf.assert_called_once_with(
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name='attach_disk', requires=['disk_dev_info'])
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def test_create_disk_for_img(self):
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image_meta = mock.Mock()
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task = tf_stg.CreateDiskForImg(
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self.disk_dvr, self.context, self.instance, image_meta)
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task.execute()
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self.disk_dvr.create_disk_from_image.assert_called_once_with(
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self.context, self.instance, image_meta)
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task.revert('result', 'flow failures')
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self.disk_dvr.delete_disks.assert_called_once_with(['result'])
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self.disk_dvr.delete_disks.reset_mock()
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# Delete not called if no result
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task.revert(None, None)
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self.disk_dvr.delete_disks.assert_not_called()
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# Delete exception doesn't raise
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self.disk_dvr.delete_disks.side_effect = pvm_exc.TimeoutError(
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"timed out")
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task.revert('result', 'flow failures')
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self.disk_dvr.delete_disks.assert_called_once_with(['result'])
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# Validate args on taskflow.task.Task instantiation
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with mock.patch('taskflow.task.Task.__init__') as tf:
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tf_stg.CreateDiskForImg(
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self.disk_dvr, self.context, self.instance, image_meta)
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tf.assert_called_once_with(
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name='create_disk_from_img', provides='disk_dev_info')
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