dee9f2eb7e
Also add udevadm_settle() to utils Change-Id: I9bce65fa545c93b3f9b556171c9030baa3795b3e Closes-Bug: #1477537
302 lines
12 KiB
Python
302 lines
12 KiB
Python
# Copyright 2014 Mirantis, Inc.
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#
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# 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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import time
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import mock
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import unittest2
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from fuel_agent import errors
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from fuel_agent.utils import partition as pu
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from fuel_agent.utils import utils
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class TestPartitionUtils(unittest2.TestCase):
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@mock.patch.object(pu, 'make_label')
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def test_wipe(self, mock_label):
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# should run call make_label method
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# in order to create new empty table which we think
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# is equivalent to wiping the old one
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pu.wipe('/dev/fake')
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mock_label.assert_called_once_with('/dev/fake')
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(pu, 'reread_partitions')
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@mock.patch.object(utils, 'execute')
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def test_make_label(self, mock_exec, mock_rerd, mock_udev):
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# should run parted OS command
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# in order to create label on a device
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mock_exec.return_value = ('out', '')
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# gpt by default
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pu.make_label('/dev/fake')
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mock_exec_expected_calls = [
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mock.call('parted', '-s', '/dev/fake', 'mklabel', 'gpt',
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check_exit_code=[0, 1])]
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_rerd.assert_called_once_with('/dev/fake', out='out')
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mock_udev.assert_called_once_with()
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mock_exec.reset_mock()
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mock_rerd.reset_mock()
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mock_udev.reset_mock()
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# label is set explicitly
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pu.make_label('/dev/fake', label='msdos')
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mock_exec_expected_calls = [
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mock.call('parted', '-s', '/dev/fake', 'mklabel', 'msdos',
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check_exit_code=[0, 1])]
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_udev.assert_called_once_with()
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mock_rerd.assert_called_once_with('/dev/fake', out='out')
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def test_make_label_wrong_label(self):
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# should check if label is valid
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# should raise exception if it is not
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self.assertRaises(errors.WrongPartitionLabelError,
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pu.make_label, '/dev/fake', 'wrong')
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(pu, 'reread_partitions')
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@mock.patch.object(utils, 'execute')
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def test_set_partition_flag(self, mock_exec, mock_rerd, mock_udev):
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# should run parted OS command
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# in order to set flag on a partition
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mock_exec.return_value = ('out', '')
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# default state is 'on'
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pu.set_partition_flag('/dev/fake', 1, 'boot')
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mock_exec_expected_calls = [
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mock.call('parted', '-s', '/dev/fake', 'set', '1', 'boot', 'on',
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check_exit_code=[0, 1])]
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mock_udev.assert_called_once_with()
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_rerd.assert_called_once_with('/dev/fake', out='out')
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mock_exec.reset_mock()
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mock_rerd.reset_mock()
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mock_udev.reset_mock()
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# if state argument is given use it
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pu.set_partition_flag('/dev/fake', 1, 'boot', state='off')
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mock_exec_expected_calls = [
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mock.call('parted', '-s', '/dev/fake', 'set', '1', 'boot', 'off',
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check_exit_code=[0, 1])]
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mock_udev.assert_called_once_with()
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_rerd.assert_called_once_with('/dev/fake', out='out')
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@mock.patch.object(utils, 'execute')
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def test_set_partition_flag_wrong_flag(self, mock_exec):
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# should check if flag is valid
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# should raise exception if it is not
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self.assertRaises(errors.WrongPartitionSchemeError,
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pu.set_partition_flag,
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'/dev/fake', 1, 'wrong')
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@mock.patch.object(utils, 'execute')
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def test_set_partition_flag_wrong_state(self, mock_exec):
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# should check if flag is valid
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# should raise exception if it is not
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self.assertRaises(errors.WrongPartitionSchemeError,
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pu.set_partition_flag,
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'/dev/fake', 1, 'boot', state='wrong')
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(pu, 'reread_partitions')
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@mock.patch.object(pu, 'info')
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@mock.patch.object(utils, 'execute')
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def test_make_partition(self, mock_exec, mock_info, mock_rerd, mock_udev):
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# should run parted OS command
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# in order to create new partition
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mock_exec.return_value = ('out', '')
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mock_info.return_value = {
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'parts': [
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{'begin': 0, 'end': 1000, 'fstype': 'free'},
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]
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}
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pu.make_partition('/dev/fake', 100, 200, 'primary')
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mock_exec_expected_calls = [
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mock.call('parted', '-a', 'optimal', '-s', '/dev/fake', 'unit',
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'MiB', 'mkpart', 'primary', '100', '200',
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check_exit_code=[0, 1])]
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mock_udev.assert_called_once_with()
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_rerd.assert_called_once_with('/dev/fake', out='out')
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@mock.patch.object(utils, 'execute')
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def test_make_partition_wrong_ptype(self, mock_exec):
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# should check if partition type is one of
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# 'primary' or 'logical'
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# should raise exception if it is not
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self.assertRaises(errors.WrongPartitionSchemeError, pu.make_partition,
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'/dev/fake', 200, 100, 'wrong')
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@mock.patch.object(utils, 'execute')
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def test_make_partition_begin_overlaps_end(self, mock_exec):
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# should check if begin is less than end
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# should raise exception if it isn't
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self.assertRaises(errors.WrongPartitionSchemeError, pu.make_partition,
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'/dev/fake', 200, 100, 'primary')
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@mock.patch.object(pu, 'info')
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@mock.patch.object(utils, 'execute')
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def test_make_partition_overlaps_other_parts(self, mock_exec, mock_info):
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# should check if begin or end overlap other partitions
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# should raise exception if it does
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mock_info.return_value = {
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'parts': [
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{'begin': 0, 'end': 100, 'fstype': 'free'},
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{'begin': 100, 'end': 200, 'fstype': 'notfree'},
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{'begin': 200, 'end': 300, 'fstype': 'free'}
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]
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}
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self.assertRaises(errors.WrongPartitionSchemeError, pu.make_partition,
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'/dev/fake', 99, 101, 'primary')
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self.assertRaises(errors.WrongPartitionSchemeError, pu.make_partition,
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'/dev/fake', 100, 200, 'primary')
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self.assertRaises(errors.WrongPartitionSchemeError, pu.make_partition,
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'/dev/fake', 200, 301, 'primary')
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self.assertEqual(mock_info.call_args_list,
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[mock.call('/dev/fake')] * 3)
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(pu, 'reread_partitions')
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@mock.patch.object(pu, 'info')
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@mock.patch.object(utils, 'execute')
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def test_remove_partition(self, mock_exec, mock_info, mock_rerd,
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mock_udev):
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# should run parted OS command
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# in order to remove partition
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mock_exec.return_value = ('out', '')
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mock_info.return_value = {
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'parts': [
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{
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'begin': 1,
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'end': 100,
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'size': 100,
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'num': 1,
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'fstype': 'ext2'
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},
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{
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'begin': 100,
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'end': 200,
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'size': 100,
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'num': 2,
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'fstype': 'ext2'
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}
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]
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}
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pu.remove_partition('/dev/fake', 1)
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mock_exec_expected_calls = [
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mock.call('parted', '-s', '/dev/fake', 'rm', '1',
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check_exit_code=[0, 1])]
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mock_udev.assert_called_once_with()
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_rerd.assert_called_once_with('/dev/fake', out='out')
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@mock.patch.object(pu, 'info')
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@mock.patch.object(utils, 'execute')
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def test_remove_partition_notexists(self, mock_exec, mock_info):
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# should check if partition does exist
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# should raise exception if it doesn't
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mock_info.return_value = {
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'parts': [
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{
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'begin': 1,
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'end': 100,
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'size': 100,
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'num': 1,
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'fstype': 'ext2'
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},
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{
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'begin': 100,
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'end': 200,
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'size': 100,
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'num': 2,
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'fstype': 'ext2'
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}
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]
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}
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self.assertRaises(errors.PartitionNotFoundError, pu.remove_partition,
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'/dev/fake', 3)
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(utils, 'execute')
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def test_set_gpt_type(self, mock_exec, mock_udev):
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pu.set_gpt_type('dev', 'num', 'type')
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mock_exec_expected_calls = [
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mock.call('sgdisk', '--typecode=%s:%s' % ('num', 'type'), 'dev',
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check_exit_code=[0])]
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_udev.assert_called_once_with()
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(utils, 'execute')
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def test_info(self, mock_exec, mock_udev):
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mock_exec.return_value = [
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'BYT;\n'
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'/dev/fake:476940MiB:scsi:512:4096:msdos:ATA 1BD14;\n'
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'1:0.03MiB:1.00MiB:0.97MiB:free;\n'
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'1:1.00MiB:191MiB:190MiB:ext3::boot;\n'
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'2:191MiB:476939MiB:476748MiB:::lvm;\n'
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'1:476939MiB:476940MiB:1.02MiB:free;\n'
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]
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expected = {'generic': {'dev': '/dev/fake',
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'logical_block': 512,
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'model': 'ATA 1BD14',
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'physical_block': 4096,
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'size': 476940,
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'table': 'msdos'},
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'parts': [{'begin': 1, 'end': 1, 'fstype': 'free',
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'num': 1, 'size': 1},
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{'begin': 1, 'end': 191, 'fstype': 'ext3',
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'num': 1, 'size': 190},
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{'begin': 191, 'end': 476939, 'fstype': None,
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'num': 2, 'size': 476748},
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{'begin': 476939, 'end': 476940,
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'fstype': 'free', 'num': 1, 'size': 2}]}
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actual = pu.info('/dev/fake')
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self.assertEqual(expected, actual)
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mock_exec_expected_calls = [
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mock.call('parted', '-s', '/dev/fake', '-m', 'unit', 'MiB',
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'print', 'free', check_exit_code=[0])]
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self.assertEqual(mock_exec_expected_calls, mock_exec.call_args_list)
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mock_udev.assert_called_once_with()
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@mock.patch.object(utils, 'execute')
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def test_reread_partitions_ok(self, mock_exec):
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pu.reread_partitions('/dev/fake', out='')
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self.assertEqual(mock_exec.call_args_list, [])
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@mock.patch.object(utils, 'udevadm_settle')
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@mock.patch.object(time, 'sleep')
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@mock.patch.object(utils, 'execute')
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def test_reread_partitions_device_busy(self, mock_exec, mock_sleep,
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mock_udev):
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mock_exec.return_value = ('', '')
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pu.reread_partitions('/dev/fake', out='_Device or resource busy_')
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mock_exec_expected = [
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mock.call('partprobe', '/dev/fake', check_exit_code=[0, 1]),
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]
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self.assertEqual(mock_exec.call_args_list, mock_exec_expected)
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mock_sleep.assert_called_once_with(2)
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mock_udev.assert_called_once_with()
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@mock.patch.object(utils, 'execute')
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def test_reread_partitions_timeout(self, mock_exec):
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self.assertRaises(errors.BaseError, pu.reread_partitions,
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'/dev/fake', out='Device or resource busy',
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timeout=-40)
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