Source code for ironic_lib.tests.test_disk_partitioner

# Copyright 2014 Red Hat, Inc.
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#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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import eventlet
import mock

from oslotest import base as test_base
from testtools.matchers import HasLength

from ironic_lib import disk_partitioner
from ironic_lib import exception
from ironic_lib import utils


[docs]class DiskPartitionerTestCase(test_base.BaseTestCase):
[docs] def test_add_partition(self): dp = disk_partitioner.DiskPartitioner('/dev/fake') dp.add_partition(1024) dp.add_partition(512, fs_type='linux-swap') dp.add_partition(2048, boot_flag='boot') dp.add_partition(2048, boot_flag='bios_grub') expected = [(1, {'boot_flag': None, 'fs_type': '', 'type': 'primary', 'size': 1024}), (2, {'boot_flag': None, 'fs_type': 'linux-swap', 'type': 'primary', 'size': 512}), (3, {'boot_flag': 'boot', 'fs_type': '', 'type': 'primary', 'size': 2048}), (4, {'boot_flag': 'bios_grub', 'fs_type': '', 'type': 'primary', 'size': 2048})] partitions = [(n, p) for n, p in dp.get_partitions()] self.assertThat(partitions, HasLength(4)) self.assertEqual(expected, partitions)
@mock.patch.object(disk_partitioner.DiskPartitioner, '_exec', autospec=True) @mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_commit(self, mock_utils_exc, mock_disk_partitioner_exec): dp = disk_partitioner.DiskPartitioner('/dev/fake') fake_parts = [(1, {'boot_flag': None, 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1}), (2, {'boot_flag': 'boot', 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1}), (3, {'boot_flag': 'bios_grub', 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1})] with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp: mock_gp.return_value = fake_parts mock_utils_exc.return_value = (None, None) dp.commit() mock_disk_partitioner_exec.assert_called_once_with( mock.ANY, 'mklabel', 'msdos', 'mkpart', 'fake-type', 'fake-fs-type', '1', '2', 'mkpart', 'fake-type', 'fake-fs-type', '2', '3', 'set', '2', 'boot', 'on', 'mkpart', 'fake-type', 'fake-fs-type', '3', '4', 'set', '3', 'bios_grub', 'on') mock_utils_exc.assert_called_once_with( 'fuser', '/dev/fake', run_as_root=True, check_exit_code=[0, 1])
@mock.patch.object(eventlet.greenthread, 'sleep', lambda seconds: None) @mock.patch.object(disk_partitioner.DiskPartitioner, '_exec', autospec=True) @mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_commit_with_device_is_busy_once(self, mock_utils_exc, mock_disk_partitioner_exec): dp = disk_partitioner.DiskPartitioner('/dev/fake') fake_parts = [(1, {'boot_flag': None, 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1}), (2, {'boot_flag': 'boot', 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1})] fuser_outputs = iter([("/dev/fake: 10000 10001", None), (None, None)]) with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp: mock_gp.return_value = fake_parts mock_utils_exc.side_effect = fuser_outputs dp.commit() mock_disk_partitioner_exec.assert_called_once_with( mock.ANY, 'mklabel', 'msdos', 'mkpart', 'fake-type', 'fake-fs-type', '1', '2', 'mkpart', 'fake-type', 'fake-fs-type', '2', '3', 'set', '2', 'boot', 'on') mock_utils_exc.assert_called_with( 'fuser', '/dev/fake', run_as_root=True, check_exit_code=[0, 1]) self.assertEqual(2, mock_utils_exc.call_count)
@mock.patch.object(eventlet.greenthread, 'sleep', lambda seconds: None) @mock.patch.object(disk_partitioner.DiskPartitioner, '_exec', autospec=True) @mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_commit_with_device_is_always_busy(self, mock_utils_exc, mock_disk_partitioner_exec): dp = disk_partitioner.DiskPartitioner('/dev/fake') fake_parts = [(1, {'boot_flag': None, 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1}), (2, {'boot_flag': 'boot', 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1})] with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp: mock_gp.return_value = fake_parts mock_utils_exc.return_value = ("/dev/fake: 10000 10001", None) self.assertRaises(exception.InstanceDeployFailure, dp.commit) mock_disk_partitioner_exec.assert_called_once_with( mock.ANY, 'mklabel', 'msdos', 'mkpart', 'fake-type', 'fake-fs-type', '1', '2', 'mkpart', 'fake-type', 'fake-fs-type', '2', '3', 'set', '2', 'boot', 'on') mock_utils_exc.assert_called_with( 'fuser', '/dev/fake', run_as_root=True, check_exit_code=[0, 1]) self.assertEqual(20, mock_utils_exc.call_count)
# Mock the eventlet.greenthread.sleep for the looping_call @mock.patch.object(eventlet.greenthread, 'sleep', lambda seconds: None) @mock.patch.object(disk_partitioner.DiskPartitioner, '_exec', autospec=True) @mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_commit_with_device_disconnected(self, mock_utils_exc, mock_disk_partitioner_exec): dp = disk_partitioner.DiskPartitioner('/dev/fake') fake_parts = [(1, {'boot_flag': None, 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1}), (2, {'boot_flag': 'boot', 'fs_type': 'fake-fs-type', 'type': 'fake-type', 'size': 1})] with mock.patch.object(dp, 'get_partitions', autospec=True) as mock_gp: mock_gp.return_value = fake_parts mock_utils_exc.return_value = (None, "Specified filename /dev/fake" " does not exist.") self.assertRaises(exception.InstanceDeployFailure, dp.commit) mock_disk_partitioner_exec.assert_called_once_with( mock.ANY, 'mklabel', 'msdos', 'mkpart', 'fake-type', 'fake-fs-type', '1', '2', 'mkpart', 'fake-type', 'fake-fs-type', '2', '3', 'set', '2', 'boot', 'on') mock_utils_exc.assert_called_with( 'fuser', '/dev/fake', run_as_root=True, check_exit_code=[0, 1]) self.assertEqual(20, mock_utils_exc.call_count)