Source code for ironic_lib.tests.test_disk_utils

# Copyright 2014 Red Hat, Inc.
# All Rights Reserved.
#
#    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
#    License for the specific language governing permissions and limitations
#    under the License.

import base64
import gzip
import mock
import os
import shutil
import stat
import tempfile

from oslo_concurrency import processutils
from oslo_config import cfg
from oslo_service import loopingcall
from oslo_utils import imageutils
from oslotest import base as test_base
import requests

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

CONF = cfg.CONF


@mock.patch.object(utils, 'execute', autospec=True)
[docs]class ListPartitionsTestCase(test_base.BaseTestCase):
[docs] def test_correct(self, execute_mock): output = """ BYT; /dev/sda:500107862016B:scsi:512:4096:msdos:ATA HGST HTS725050A7:; 1:1.00MiB:501MiB:500MiB:ext4::boot; 2:501MiB:476940MiB:476439MiB:::; """ expected = [ {'number': 1, 'start': 1, 'end': 501, 'size': 500, 'filesystem': 'ext4', 'flags': 'boot'}, {'number': 2, 'start': 501, 'end': 476940, 'size': 476439, 'filesystem': '', 'flags': ''}, ] execute_mock.return_value = (output, '') result = disk_utils.list_partitions('/dev/fake') self.assertEqual(expected, result) execute_mock.assert_called_once_with( 'parted', '-s', '-m', '/dev/fake', 'unit', 'MiB', 'print', use_standard_locale=True, run_as_root=True)
@mock.patch.object(disk_utils.LOG, 'warning', autospec=True)
[docs] def test_incorrect(self, log_mock, execute_mock): output = """ BYT; /dev/sda:500107862016B:scsi:512:4096:msdos:ATA HGST HTS725050A7:; 1:XX1076MiB:---:524MiB:ext4::boot; """ execute_mock.return_value = (output, '') self.assertEqual([], disk_utils.list_partitions('/dev/fake')) self.assertEqual(1, log_mock.call_count)
@mock.patch.object(disk_partitioner.DiskPartitioner, 'commit', lambda _: None)
[docs]class WorkOnDiskTestCase(test_base.BaseTestCase):
[docs] def setUp(self): super(WorkOnDiskTestCase, self).setUp() self.image_path = '/tmp/xyz/image' self.root_mb = 128 self.swap_mb = 64 self.ephemeral_mb = 0 self.ephemeral_format = None self.configdrive_mb = 0 self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz" self.dev = '/dev/fake' self.swap_part = '/dev/fake-part1' self.root_part = '/dev/fake-part2' self.mock_ibd_obj = mock.patch.object( disk_utils, 'is_block_device', autospec=True) self.mock_ibd = self.mock_ibd_obj.start() self.addCleanup(self.mock_ibd_obj.stop) self.mock_mp_obj = mock.patch.object( disk_utils, 'make_partitions', autospec=True) self.mock_mp = self.mock_mp_obj.start() self.addCleanup(self.mock_mp_obj.stop) self.mock_remlbl_obj = mock.patch.object( disk_utils, 'destroy_disk_metadata', autospec=True) self.mock_remlbl = self.mock_remlbl_obj.start() self.addCleanup(self.mock_remlbl_obj.stop) self.mock_mp.return_value = {'swap': self.swap_part, 'root': self.root_part}
[docs] def test_no_root_partition(self): self.mock_ibd.return_value = False self.assertRaises(exception.InstanceDeployFailure, disk_utils.work_on_disk, self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.ephemeral_format, self.image_path, self.node_uuid) self.mock_ibd.assert_called_once_with(self.root_part) self.mock_mp.assert_called_once_with(self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.configdrive_mb, self.node_uuid, commit=True, boot_option="netboot", boot_mode="bios", disk_label=None)
[docs] def test_no_swap_partition(self): self.mock_ibd.side_effect = iter([True, False]) calls = [mock.call(self.root_part), mock.call(self.swap_part)] self.assertRaises(exception.InstanceDeployFailure, disk_utils.work_on_disk, self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.ephemeral_format, self.image_path, self.node_uuid) self.assertEqual(self.mock_ibd.call_args_list, calls) self.mock_mp.assert_called_once_with(self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.configdrive_mb, self.node_uuid, commit=True, boot_option="netboot", boot_mode="bios", disk_label=None)
[docs] def test_no_ephemeral_partition(self): ephemeral_part = '/dev/fake-part1' swap_part = '/dev/fake-part2' root_part = '/dev/fake-part3' ephemeral_mb = 256 ephemeral_format = 'exttest' self.mock_mp.return_value = {'ephemeral': ephemeral_part, 'swap': swap_part, 'root': root_part} self.mock_ibd.side_effect = iter([True, True, False]) calls = [mock.call(root_part), mock.call(swap_part), mock.call(ephemeral_part)] self.assertRaises(exception.InstanceDeployFailure, disk_utils.work_on_disk, self.dev, self.root_mb, self.swap_mb, ephemeral_mb, ephemeral_format, self.image_path, self.node_uuid) self.assertEqual(self.mock_ibd.call_args_list, calls) self.mock_mp.assert_called_once_with(self.dev, self.root_mb, self.swap_mb, ephemeral_mb, self.configdrive_mb, self.node_uuid, commit=True, boot_option="netboot", boot_mode="bios", disk_label=None)
@mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_no_configdrive_partition(self, mock_configdrive, mock_unlink): mock_configdrive.return_value = (10, 'fake-path') swap_part = '/dev/fake-part1' configdrive_part = '/dev/fake-part2' root_part = '/dev/fake-part3' configdrive_url = 'http://1.2.3.4/cd' configdrive_mb = 10 self.mock_mp.return_value = {'swap': swap_part, 'configdrive': configdrive_part, 'root': root_part} self.mock_ibd.side_effect = iter([True, True, False]) calls = [mock.call(root_part), mock.call(swap_part), mock.call(configdrive_part)] self.assertRaises(exception.InstanceDeployFailure, disk_utils.work_on_disk, self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.ephemeral_format, self.image_path, self.node_uuid, preserve_ephemeral=False, configdrive=configdrive_url, boot_option="netboot") self.assertEqual(self.mock_ibd.call_args_list, calls) self.mock_mp.assert_called_once_with(self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, configdrive_mb, self.node_uuid, commit=True, boot_option="netboot", boot_mode="bios", disk_label=None) mock_unlink.assert_called_once_with('fake-path')
@mock.patch.object(utils, 'mkfs', lambda *_: None) @mock.patch.object(disk_utils, 'block_uuid', lambda p: 'uuid') @mock.patch.object(disk_utils, 'populate_image', lambda *_: None)
[docs] def test_gpt_disk_label(self): ephemeral_part = '/dev/fake-part1' swap_part = '/dev/fake-part2' root_part = '/dev/fake-part3' ephemeral_mb = 256 ephemeral_format = 'exttest' self.mock_mp.return_value = {'ephemeral': ephemeral_part, 'swap': swap_part, 'root': root_part} self.mock_ibd.return_value = True calls = [mock.call(root_part), mock.call(swap_part), mock.call(ephemeral_part)] disk_utils.work_on_disk(self.dev, self.root_mb, self.swap_mb, ephemeral_mb, ephemeral_format, self.image_path, self.node_uuid, disk_label='gpt') self.assertEqual(self.mock_ibd.call_args_list, calls) self.mock_mp.assert_called_once_with(self.dev, self.root_mb, self.swap_mb, ephemeral_mb, self.configdrive_mb, self.node_uuid, commit=True, boot_option="netboot", boot_mode="bios", disk_label='gpt')
@mock.patch.object(utils, 'execute', autospec=True)
[docs]class MakePartitionsTestCase(test_base.BaseTestCase):
[docs] def setUp(self): super(MakePartitionsTestCase, self).setUp() self.dev = 'fake-dev' self.root_mb = 1024 self.swap_mb = 512 self.ephemeral_mb = 0 self.configdrive_mb = 0 self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz" self.efi_size = CONF.disk_utils.efi_system_partition_size self.bios_size = CONF.disk_utils.bios_boot_partition_size
def _get_parted_cmd(self, dev, label=None): if label is None: label = 'msdos' return ['parted', '-a', 'optimal', '-s', dev, '--', 'unit', 'MiB', 'mklabel', label] def _test_make_partitions(self, mock_exc, boot_option, boot_mode='bios', disk_label=None): mock_exc.return_value = (None, None) disk_utils.make_partitions(self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.configdrive_mb, self.node_uuid, boot_option=boot_option, boot_mode=boot_mode, disk_label=disk_label) _s = lambda x, sz: x + sz if boot_option == "local" and boot_mode == "uefi": add_efi_sz = lambda x: str(_s(x, self.efi_size)) expected_mkpart = ['mkpart', 'primary', 'fat32', '1', add_efi_sz(1), 'set', '1', 'boot', 'on', 'mkpart', 'primary', 'linux-swap', add_efi_sz(1), add_efi_sz(513), 'mkpart', 'primary', '', add_efi_sz(513), add_efi_sz(1537)] else: if boot_option == "local": if disk_label == "gpt": add_bios_sz = lambda x: str(_s(x, self.bios_size)) expected_mkpart = ['mkpart', 'primary', '', '1', add_bios_sz(1), 'set', '1', 'bios_grub', 'on', 'mkpart', 'primary', 'linux-swap', add_bios_sz(1), add_bios_sz(513), 'mkpart', 'primary', '', add_bios_sz(513), add_bios_sz(1537)] else: expected_mkpart = ['mkpart', 'primary', 'linux-swap', '1', '513', 'mkpart', 'primary', '', '513', '1537', 'set', '2', 'boot', 'on'] else: expected_mkpart = ['mkpart', 'primary', 'linux-swap', '1', '513', 'mkpart', 'primary', '', '513', '1537'] self.dev = 'fake-dev' parted_cmd = (self._get_parted_cmd(self.dev, disk_label) + expected_mkpart) parted_call = mock.call(*parted_cmd, use_standard_locale=True, run_as_root=True, check_exit_code=[0]) fuser_cmd = ['fuser', 'fake-dev'] fuser_call = mock.call(*fuser_cmd, run_as_root=True, check_exit_code=[0, 1]) mock_exc.assert_has_calls([parted_call, fuser_call])
[docs] def test_make_partitions(self, mock_exc): self._test_make_partitions(mock_exc, boot_option="netboot")
[docs] def test_make_partitions_local_boot(self, mock_exc): self._test_make_partitions(mock_exc, boot_option="local")
[docs] def test_make_partitions_local_boot_uefi(self, mock_exc): self._test_make_partitions(mock_exc, boot_option="local", boot_mode="uefi", disk_label="gpt")
[docs] def test_make_partitions_local_boot_gpt_bios(self, mock_exc): self._test_make_partitions(mock_exc, boot_option="local", disk_label="gpt")
[docs] def test_make_partitions_disk_label_gpt(self, mock_exc): self._test_make_partitions(mock_exc, boot_option="netboot", disk_label="gpt")
[docs] def test_make_partitions_with_ephemeral(self, mock_exc): self.ephemeral_mb = 2048 expected_mkpart = ['mkpart', 'primary', '', '1', '2049', 'mkpart', 'primary', 'linux-swap', '2049', '2561', 'mkpart', 'primary', '', '2561', '3585'] self.dev = 'fake-dev' cmd = self._get_parted_cmd(self.dev) + expected_mkpart mock_exc.return_value = (None, None) disk_utils.make_partitions(self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.configdrive_mb, self.node_uuid) parted_call = mock.call(*cmd, use_standard_locale=True, run_as_root=True, check_exit_code=[0]) mock_exc.assert_has_calls([parted_call])
[docs] def test_make_partitions_with_iscsi_device(self, mock_exc): self.ephemeral_mb = 2048 expected_mkpart = ['mkpart', 'primary', '', '1', '2049', 'mkpart', 'primary', 'linux-swap', '2049', '2561', 'mkpart', 'primary', '', '2561', '3585'] self.dev = '/dev/iqn.2008-10.org.openstack:%s.fake-9' % self.node_uuid ep = '/dev/iqn.2008-10.org.openstack:%s.fake-9-part1' % self.node_uuid swap = ('/dev/iqn.2008-10.org.openstack:%s.fake-9-part2' % self.node_uuid) root = ('/dev/iqn.2008-10.org.openstack:%s.fake-9-part3' % self.node_uuid) expected_result = {'ephemeral': ep, 'swap': swap, 'root': root} cmd = self._get_parted_cmd(self.dev) + expected_mkpart mock_exc.return_value = (None, None) result = disk_utils.make_partitions( self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.configdrive_mb, self.node_uuid) parted_call = mock.call(*cmd, use_standard_locale=True, run_as_root=True, check_exit_code=[0]) mock_exc.assert_has_calls([parted_call]) self.assertEqual(expected_result, result)
[docs] def test_make_partitions_with_local_device(self, mock_exc): self.ephemeral_mb = 2048 expected_mkpart = ['mkpart', 'primary', '', '1', '2049', 'mkpart', 'primary', 'linux-swap', '2049', '2561', 'mkpart', 'primary', '', '2561', '3585'] self.dev = 'fake-dev' expected_result = {'ephemeral': 'fake-dev1', 'swap': 'fake-dev2', 'root': 'fake-dev3'} cmd = self._get_parted_cmd(self.dev) + expected_mkpart mock_exc.return_value = (None, None) result = disk_utils.make_partitions( self.dev, self.root_mb, self.swap_mb, self.ephemeral_mb, self.configdrive_mb, self.node_uuid) parted_call = mock.call(*cmd, use_standard_locale=True, run_as_root=True, check_exit_code=[0]) mock_exc.assert_has_calls([parted_call]) self.assertEqual(expected_result, result)
@mock.patch.object(utils, 'execute', autospec=True)
[docs]class DestroyMetaDataTestCase(test_base.BaseTestCase):
[docs] def setUp(self): super(DestroyMetaDataTestCase, self).setUp() self.dev = 'fake-dev' self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
[docs] def test_destroy_disk_metadata(self, mock_exec): expected_calls = [mock.call('wipefs', '--force', '--all', 'fake-dev', run_as_root=True, use_standard_locale=True)] disk_utils.destroy_disk_metadata(self.dev, self.node_uuid) mock_exec.assert_has_calls(expected_calls)
[docs] def test_destroy_disk_metadata_wipefs_fail(self, mock_exec): mock_exec.side_effect = processutils.ProcessExecutionError expected_call = [mock.call('wipefs', '--force', '--all', 'fake-dev', run_as_root=True, use_standard_locale=True)] self.assertRaises(processutils.ProcessExecutionError, disk_utils.destroy_disk_metadata, self.dev, self.node_uuid) mock_exec.assert_has_calls(expected_call)
[docs] def test_destroy_disk_metadata_wipefs_not_support_force(self, mock_exec): mock_exec.side_effect = iter( [processutils.ProcessExecutionError(description='--force'), (None, None)]) expected_call = [mock.call('wipefs', '--force', '--all', 'fake-dev', run_as_root=True, use_standard_locale=True), mock.call('wipefs', '--all', 'fake-dev', run_as_root=True, use_standard_locale=True)] disk_utils.destroy_disk_metadata(self.dev, self.node_uuid) mock_exec.assert_has_calls(expected_call)
@mock.patch.object(utils, 'execute', autospec=True)
[docs]class GetDeviceBlockSizeTestCase(test_base.BaseTestCase):
[docs] def setUp(self): super(GetDeviceBlockSizeTestCase, self).setUp() self.dev = 'fake-dev' self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
[docs] def test_get_dev_block_size(self, mock_exec): mock_exec.return_value = ("64", "") expected_call = [mock.call('blockdev', '--getsz', self.dev, run_as_root=True, check_exit_code=[0])] disk_utils.get_dev_block_size(self.dev) mock_exec.assert_has_calls(expected_call)
@mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, 'qemu_img_info', autospec=True) @mock.patch.object(disk_utils, 'convert_image', autospec=True)
[docs]class PopulateImageTestCase(test_base.BaseTestCase):
[docs] def setUp(self): super(PopulateImageTestCase, self).setUp()
[docs] def test_populate_raw_image(self, mock_cg, mock_qinfo, mock_dd): type(mock_qinfo.return_value).file_format = mock.PropertyMock( return_value='raw') disk_utils.populate_image('src', 'dst') mock_dd.assert_called_once_with('src', 'dst') self.assertFalse(mock_cg.called)
[docs] def test_populate_qcow2_image(self, mock_cg, mock_qinfo, mock_dd): type(mock_qinfo.return_value).file_format = mock.PropertyMock( return_value='qcow2') disk_utils.populate_image('src', 'dst') mock_cg.assert_called_once_with('src', 'dst', 'raw', True) self.assertFalse(mock_dd.called)
def _looping_call_done(*args, **kwargs): raise loopingcall.LoopingCallDone() @mock.patch.object(disk_partitioner.DiskPartitioner, '_wait_for_disk_to_become_available', _looping_call_done) @mock.patch.object(disk_utils, 'is_block_device', lambda d: True) @mock.patch.object(disk_utils, 'block_uuid', lambda p: 'uuid') @mock.patch.object(disk_utils, 'dd', lambda *_: None) @mock.patch.object(disk_utils, 'convert_image', lambda *_: None) @mock.patch.object(utils, 'mkfs', lambda *_: None) # NOTE(dtantsur): destroy_disk_metadata resets file size, disabling it @mock.patch.object(disk_utils, 'destroy_disk_metadata', lambda *_: None)
[docs]class RealFilePartitioningTestCase(test_base.BaseTestCase): """This test applies some real-world partitioning scenario to a file. This test covers the whole partitioning, mocking everything not possible on a file. That helps us assure, that we do all partitioning math properly and also conducts integration testing of DiskPartitioner. """
[docs] def setUp(self): super(RealFilePartitioningTestCase, self).setUp() # NOTE(dtantsur): no parted utility on gate-ironic-python26 try: utils.execute('parted', '--version') except OSError as exc: self.skipTest('parted utility was not found: %s' % exc) self.file = tempfile.NamedTemporaryFile(delete=False) # NOTE(ifarkas): the file needs to be closed, so fuser won't report # any usage self.file.close() # NOTE(dtantsur): 20 MiB file with zeros utils.execute('dd', 'if=/dev/zero', 'of=%s' % self.file.name, 'bs=1', 'count=0', 'seek=20MiB')
@staticmethod def _run_without_root(func, *args, **kwargs): """Make sure root is not required when using utils.execute.""" real_execute = utils.execute def fake_execute(*cmd, **kwargs): kwargs['run_as_root'] = False return real_execute(*cmd, **kwargs) with mock.patch.object(utils, 'execute', fake_execute): return func(*args, **kwargs)
[docs] def test_different_sizes(self): # NOTE(dtantsur): Keep this list in order with expected partitioning fields = ['ephemeral_mb', 'swap_mb', 'root_mb'] variants = ((0, 0, 12), (4, 2, 8), (0, 4, 10), (5, 0, 10)) for variant in variants: kwargs = dict(zip(fields, variant)) self._run_without_root(disk_utils.work_on_disk, self.file.name, ephemeral_format='ext4', node_uuid='', image_path='path', **kwargs) part_table = self._run_without_root( disk_utils.list_partitions, self.file.name) for part, expected_size in zip(part_table, filter(None, variant)): self.assertEqual(expected_size, part['size'], "comparison failed for %s" % list(variant))
[docs] def test_whole_disk(self): # 6 MiB ephemeral + 3 MiB swap + 9 MiB root + 1 MiB for MBR # + 1 MiB MAGIC == 20 MiB whole disk # TODO(dtantsur): figure out why we need 'magic' 1 more MiB # and why the is different on Ubuntu and Fedora (see below) self._run_without_root(disk_utils.work_on_disk, self.file.name, root_mb=9, ephemeral_mb=6, swap_mb=3, ephemeral_format='ext4', node_uuid='', image_path='path') part_table = self._run_without_root( disk_utils.list_partitions, self.file.name) sizes = [part['size'] for part in part_table] # NOTE(dtantsur): parted in Ubuntu 12.04 will occupy the last MiB, # parted in Fedora 20 won't - thus two possible variants for last part self.assertEqual([6, 3], sizes[:2], "unexpected partitioning %s" % part_table) self.assertIn(sizes[2], (9, 10))
@mock.patch.object(shutil, 'copyfileobj', autospec=True) @mock.patch.object(requests, 'get', autospec=True)
[docs]class GetConfigdriveTestCase(test_base.BaseTestCase): @mock.patch.object(gzip, 'GzipFile', autospec=True)
[docs] def test_get_configdrive(self, mock_gzip, mock_requests, mock_copy): mock_requests.return_value = mock.MagicMock(content='Zm9vYmFy') tempdir = tempfile.mkdtemp() (size, path) = disk_utils._get_configdrive('http://1.2.3.4/cd', 'fake-node-uuid', tempdir=tempdir) self.assertTrue(path.startswith(tempdir)) mock_requests.assert_called_once_with('http://1.2.3.4/cd') mock_gzip.assert_called_once_with('configdrive', 'rb', fileobj=mock.ANY) mock_copy.assert_called_once_with(mock.ANY, mock.ANY)
@mock.patch.object(gzip, 'GzipFile', autospec=True)
[docs] def test_get_configdrive_base64_string(self, mock_gzip, mock_requests, mock_copy): disk_utils._get_configdrive('Zm9vYmFy', 'fake-node-uuid') self.assertFalse(mock_requests.called) mock_gzip.assert_called_once_with('configdrive', 'rb', fileobj=mock.ANY) mock_copy.assert_called_once_with(mock.ANY, mock.ANY)
[docs] def test_get_configdrive_bad_url(self, mock_requests, mock_copy): mock_requests.side_effect = requests.exceptions.RequestException self.assertRaises(exception.InstanceDeployFailure, disk_utils._get_configdrive, 'http://1.2.3.4/cd', 'fake-node-uuid') self.assertFalse(mock_copy.called)
@mock.patch.object(base64, 'b64decode', autospec=True)
[docs] def test_get_configdrive_base64_error(self, mock_b64, mock_requests, mock_copy): mock_b64.side_effect = TypeError self.assertRaises(exception.InstanceDeployFailure, disk_utils._get_configdrive, 'malformed', 'fake-node-uuid') mock_b64.assert_called_once_with('malformed') self.assertFalse(mock_copy.called)
@mock.patch.object(gzip, 'GzipFile', autospec=True)
[docs] def test_get_configdrive_gzip_error(self, mock_gzip, mock_requests, mock_copy): mock_requests.return_value = mock.MagicMock(content='Zm9vYmFy') mock_copy.side_effect = IOError self.assertRaises(exception.InstanceDeployFailure, disk_utils._get_configdrive, 'http://1.2.3.4/cd', 'fake-node-uuid') mock_requests.assert_called_once_with('http://1.2.3.4/cd') mock_gzip.assert_called_once_with('configdrive', 'rb', fileobj=mock.ANY) mock_copy.assert_called_once_with(mock.ANY, mock.ANY)
@mock.patch('time.sleep', lambda sec: None)
[docs]class OtherFunctionTestCase(test_base.BaseTestCase): @mock.patch.object(os, 'stat', autospec=True) @mock.patch.object(stat, 'S_ISBLK', autospec=True)
[docs] def test_is_block_device_works(self, mock_is_blk, mock_os): device = '/dev/disk/by-path/ip-1.2.3.4:5678-iscsi-iqn.fake-lun-9' mock_is_blk.return_value = True mock_os().st_mode = 10000 self.assertTrue(disk_utils.is_block_device(device)) mock_is_blk.assert_called_once_with(mock_os().st_mode)
@mock.patch.object(os, 'stat', autospec=True)
[docs] def test_is_block_device_raises(self, mock_os): device = '/dev/disk/by-path/ip-1.2.3.4:5678-iscsi-iqn.fake-lun-9' mock_os.side_effect = OSError self.assertRaises(exception.InstanceDeployFailure, disk_utils.is_block_device, device) mock_os.assert_has_calls([mock.call(device)] * 3)
@mock.patch.object(imageutils, 'QemuImgInfo', autospec=True) @mock.patch.object(os.path, 'exists', return_value=False, autospec=True)
[docs] def test_qemu_img_info_path_doesnt_exist(self, path_exists_mock, qemu_img_info_mock): disk_utils.qemu_img_info('noimg') path_exists_mock.assert_called_once_with('noimg') qemu_img_info_mock.assert_called_once_with()
@mock.patch.object(utils, 'execute', return_value=('out', 'err'), autospec=True) @mock.patch.object(imageutils, 'QemuImgInfo', autospec=True) @mock.patch.object(os.path, 'exists', return_value=True, autospec=True)
[docs] def test_qemu_img_info_path_exists(self, path_exists_mock, qemu_img_info_mock, execute_mock): disk_utils.qemu_img_info('img') path_exists_mock.assert_called_once_with('img') execute_mock.assert_called_once_with('env', 'LC_ALL=C', 'LANG=C', 'qemu-img', 'info', 'img') qemu_img_info_mock.assert_called_once_with('out')
@mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_convert_image(self, execute_mock): disk_utils.convert_image('source', 'dest', 'out_format') execute_mock.assert_called_once_with('qemu-img', 'convert', '-O', 'out_format', 'source', 'dest', run_as_root=False)
@mock.patch.object(os.path, 'getsize', autospec=True) @mock.patch.object(disk_utils, 'qemu_img_info', autospec=True)
[docs] def test_get_image_mb(self, mock_qinfo, mock_getsize): mb = 1024 * 1024 mock_getsize.return_value = 0 type(mock_qinfo.return_value).virtual_size = mock.PropertyMock( return_value=0) self.assertEqual(0, disk_utils.get_image_mb('x', False)) self.assertEqual(0, disk_utils.get_image_mb('x', True)) mock_getsize.return_value = 1 type(mock_qinfo.return_value).virtual_size = mock.PropertyMock( return_value=1) self.assertEqual(1, disk_utils.get_image_mb('x', False)) self.assertEqual(1, disk_utils.get_image_mb('x', True)) mock_getsize.return_value = mb type(mock_qinfo.return_value).virtual_size = mock.PropertyMock( return_value=mb) self.assertEqual(1, disk_utils.get_image_mb('x', False)) self.assertEqual(1, disk_utils.get_image_mb('x', True)) mock_getsize.return_value = mb + 1 type(mock_qinfo.return_value).virtual_size = mock.PropertyMock( return_value=mb + 1) self.assertEqual(2, disk_utils.get_image_mb('x', False)) self.assertEqual(2, disk_utils.get_image_mb('x', True))
def _test_count_mbr_partitions(self, output, mock_execute): mock_execute.return_value = (output, '') out = disk_utils.count_mbr_partitions('/dev/fake') mock_execute.assert_called_once_with('partprobe', '-d', '-s', '/dev/fake', run_as_root=True, use_standard_locale=True) return out @mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_count_mbr_partitions(self, mock_execute): output = "/dev/fake: msdos partitions 1 2 3 <5 6>" pp, lp = self._test_count_mbr_partitions(output, mock_execute) self.assertEqual(3, pp) self.assertEqual(2, lp)
@mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_count_mbr_partitions_no_logical_partitions(self, mock_execute): output = "/dev/fake: msdos partitions 1 2" pp, lp = self._test_count_mbr_partitions(output, mock_execute) self.assertEqual(2, pp) self.assertEqual(0, lp)
@mock.patch.object(utils, 'execute', autospec=True)
[docs] def test_count_mbr_partitions_wrong_partition_table(self, mock_execute): output = "/dev/fake: gpt partitions 1 2 3 4 5 6" mock_execute.return_value = (output, '') self.assertRaises(ValueError, disk_utils.count_mbr_partitions, '/dev/fake') mock_execute.assert_called_once_with('partprobe', '-d', '-s', '/dev/fake', run_as_root=True, use_standard_locale=True)
@mock.patch.object(utils, 'execute')
[docs]class WholeDiskPartitionTestCases(test_base.BaseTestCase):
[docs] def setUp(self): super(WholeDiskPartitionTestCases, self).setUp() self.dev = "/dev/fake" self.config_part_label = "config-2" self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
[docs] def test_get_partition_present(self, mock_execute): blkid_output = '/dev/fake12\n' mock_execute.side_effect = [(None, ''), (blkid_output, '')] result = disk_utils._get_labelled_partition(self.dev, self.config_part_label, self.node_uuid) self.assertEqual(blkid_output.rstrip(), result) execute_calls = [ mock.call('partprobe', self.dev, run_as_root=True), mock.call('blkid', '-o', 'device', self.dev, '-t', 'LABEL=config-2', check_exit_code=[0, 2], use_standard_locale=True, run_as_root=True) ] mock_execute.assert_has_calls(execute_calls)
[docs] def test_get_partition_absent(self, mock_execute): mock_execute.side_effect = [(None, ''), (None, '')] result = disk_utils._get_labelled_partition(self.dev, self.config_part_label, self.node_uuid) self.assertEqual(None, result) execute_calls = [ mock.call('partprobe', self.dev, run_as_root=True), mock.call('blkid', '-o', 'device', self.dev, '-t', 'LABEL=config-2', check_exit_code=[0, 2], use_standard_locale=True, run_as_root=True) ] mock_execute.assert_has_calls(execute_calls)
[docs] def test_get_partition_DeployFail_exc(self, mock_execute): blkid_output = '/dev/fake12\n/dev/fake13\n' mock_execute.side_effect = [(None, ''), (blkid_output, '')] self.assertRaises(exception.InstanceDeployFailure, disk_utils._get_labelled_partition, self.dev, self.config_part_label, self.node_uuid) execute_calls = [ mock.call('partprobe', self.dev, run_as_root=True), mock.call('blkid', '-o', 'device', self.dev, '-t', 'LABEL=config-2', check_exit_code=[0, 2], use_standard_locale=True, run_as_root=True) ] mock_execute.assert_has_calls(execute_calls)
@mock.patch.object(disk_utils.LOG, 'error')
[docs] def test_get_partition_exc(self, mock_log, mock_execute): mock_execute.side_effect = processutils.ProcessExecutionError self.assertRaisesRegex(exception.InstanceDeployFailure, 'Failed to retrieve partition labels', disk_utils._get_labelled_partition, self.dev, self.config_part_label, self.node_uuid) mock_execute.assert_called_once_with('partprobe', self.dev, run_as_root=True) self.assertEqual(1, mock_log.call_count)
def _test_is_disk_larger_than_max_size(self, mock_execute, blk_out): mock_execute.return_value = ('%s\n' % blk_out, '') result = disk_utils._is_disk_larger_than_max_size(self.dev, self.node_uuid) mock_execute.assert_called_once_with('blockdev', '--getsize64', '/dev/fake', run_as_root=True, use_standard_locale=True) return result
[docs] def test_is_disk_larger_than_max_size_false(self, mock_execute): blkid_out = "53687091200" ret = self._test_is_disk_larger_than_max_size(mock_execute, blk_out=blkid_out) self.assertFalse(ret)
[docs] def test_is_disk_larger_than_max_size_true(self, mock_execute): blkid_out = "4398046511104" ret = self._test_is_disk_larger_than_max_size(mock_execute, blk_out=blkid_out) self.assertTrue(ret)
@mock.patch.object(disk_utils.LOG, 'error')
[docs] def test_is_disk_larger_than_max_size_exc(self, mock_log, mock_execute): mock_execute.side_effect = processutils.ProcessExecutionError self.assertRaisesRegex(exception.InstanceDeployFailure, 'Failed to get size of disk', disk_utils._is_disk_larger_than_max_size, self.dev, self.node_uuid) mock_execute.assert_called_once_with('blockdev', '--getsize64', '/dev/fake', run_as_root=True, use_standard_locale=True) self.assertEqual(1, mock_log.call_count)
[docs] def test__is_disk_gpt_partitioned_true(self, mock_execute): blkid_output = 'gpt\n' mock_execute.return_value = (blkid_output, '') result = disk_utils._is_disk_gpt_partitioned('/dev/fake', self.node_uuid) self.assertTrue(result) mock_execute.assert_called_once_with('blkid', '-p', '-o', 'value', '-s', 'PTTYPE', '/dev/fake', use_standard_locale=True, run_as_root=True)
[docs] def test_is_disk_gpt_partitioned_false(self, mock_execute): blkid_output = 'dos\n' mock_execute.return_value = (blkid_output, '') result = disk_utils._is_disk_gpt_partitioned('/dev/fake', self.node_uuid) self.assertFalse(result) mock_execute.assert_called_once_with('blkid', '-p', '-o', 'value', '-s', 'PTTYPE', '/dev/fake', use_standard_locale=True, run_as_root=True)
@mock.patch.object(disk_utils.LOG, 'error')
[docs] def test_is_disk_gpt_partitioned_exc(self, mock_log, mock_execute): mock_execute.side_effect = processutils.ProcessExecutionError self.assertRaisesRegex(exception.InstanceDeployFailure, 'Failed to retrieve partition table type', disk_utils._is_disk_gpt_partitioned, self.dev, self.node_uuid) mock_execute.assert_called_once_with('blkid', '-p', '-o', 'value', '-s', 'PTTYPE', '/dev/fake', use_standard_locale=True, run_as_root=True) self.assertEqual(1, mock_log.call_count)
[docs] def test_fix_gpt_structs_fix_required(self, mock_execute): partprobe_err = """ Error: The backup GPT table is not at the end of the disk, as it should be. This might mean that another operating system believes the disk is smaller. Fix, by moving the backup to the end (and removing the old backup)? Warning: Not all of the space available to /dev/sdb appears to be used, you can fix the GPT to use all of the space (an extra 581456476 blocks) or continue with the current setting? """ mock_execute.return_value = ('', partprobe_err) execute_calls = [ mock.call('partprobe', '/dev/fake', use_standard_locale=True, run_as_root=True), mock.call('sgdisk', '-e', '/dev/fake', run_as_root=True) ] disk_utils._fix_gpt_structs('/dev/fake', self.node_uuid) mock_execute.assert_has_calls(execute_calls)
[docs] def test_fix_gpt_structs_fix_not_required(self, mock_execute): mock_execute.return_value = ('', '') disk_utils._fix_gpt_structs('/dev/fake', self.node_uuid) mock_execute.assert_called_once_with('partprobe', '/dev/fake', use_standard_locale=True, run_as_root=True)
@mock.patch.object(disk_utils.LOG, 'error')
[docs] def test_fix_gpt_structs_exc(self, mock_log, mock_execute): mock_execute.side_effect = processutils.ProcessExecutionError self.assertRaisesRegex(exception.InstanceDeployFailure, 'Failed to fix GPT data structures on disk', disk_utils._fix_gpt_structs, self.dev, self.node_uuid) mock_execute.assert_called_once_with('partprobe', '/dev/fake', use_standard_locale=True, run_as_root=True) self.assertEqual(1, mock_log.call_count)
[docs]class WholeDiskConfigDriveTestCases(test_base.BaseTestCase):
[docs] def setUp(self): super(WholeDiskConfigDriveTestCases, self).setUp() self.dev = "/dev/fake" self.config_part_label = "config-2" self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz"
@mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, '_fix_gpt_structs', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, 'list_partitions', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_exists(self, mock_get_configdrive, mock_get_labelled_partition, mock_list_partitions, mock_is_disk_gpt, mock_fix_gpt, mock_dd, mock_unlink, mock_execute): config_url = 'http://1.2.3.4/cd' configdrive_part = '/dev/fake-part1' configdrive_file = '/tmp/xyz' configdrive_mb = 10 mock_get_labelled_partition.return_value = configdrive_part mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) disk_utils.create_config_drive_partition(self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) mock_get_labelled_partition.assert_called_with(self.dev, self.config_part_label, self.node_uuid) self.assertFalse(mock_list_partitions.called) self.assertFalse(mock_is_disk_gpt.called) self.assertFalse(mock_execute.called) mock_dd.assert_called_with(configdrive_file, configdrive_part) mock_unlink.assert_called_with(configdrive_file)
@mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, '_fix_gpt_structs', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, 'list_partitions', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_gpt(self, mock_get_configdrive, mock_get_labelled_partition, mock_list_partitions, mock_is_disk_gpt, mock_fix_gpt, mock_dd, mock_unlink, mock_execute): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 initial_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] updated_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 4, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_is_disk_gpt.return_value = True mock_list_partitions.side_effect = [initial_partitions, updated_partitions] expected_part = '/dev/fake4' disk_utils.create_config_drive_partition(self.node_uuid, self.dev, config_url) mock_execute.assert_has_calls([ mock.call('sgdisk', '-n', '0:-64MB:0', self.dev, run_as_root=True), mock.call('udevadm', 'settle', '--exit-if-exists=%s' % expected_part), ]) self.assertEqual(2, mock_list_partitions.call_count) mock_is_disk_gpt.assert_called_with(self.dev, self.node_uuid) mock_fix_gpt.assert_called_with(self.dev, self.node_uuid) mock_dd.assert_called_with(configdrive_file, expected_part) mock_unlink.assert_called_with(configdrive_file)
@mock.patch.object(disk_utils, 'count_mbr_partitions', autospec=True) @mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(disk_utils.LOG, 'warning') @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, '_is_disk_larger_than_max_size', autospec=True) @mock.patch.object(disk_utils, '_fix_gpt_structs', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, 'list_partitions', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True) def _test_create_partition_mbr(self, mock_get_configdrive, mock_get_labelled_partition, mock_list_partitions, mock_is_disk_gpt, mock_fix_gpt, mock_disk_exceeds, mock_dd, mock_unlink, mock_log, mock_execute, mock_count, disk_size_exceeds_max=False, is_iscsi_device=False): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 mock_disk_exceeds.return_value = disk_size_exceeds_max initial_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] updated_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 4, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] mock_list_partitions.side_effect = [initial_partitions, updated_partitions] # 2 primary partitions, 0 logical partitions mock_count.return_value = (2, 0) mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_is_disk_gpt.return_value = False self.node_uuid = "12345678-1234-1234-1234-1234567890abcxyz" if is_iscsi_device: self.dev = ('/dev/iqn.2008-10.org.openstack:%s.fake' % self.node_uuid) expected_part = '%s-part4' % self.dev else: expected_part = '/dev/fake4' disk_utils.create_config_drive_partition(self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) if disk_size_exceeds_max: self.assertEqual(1, mock_log.call_count) parted_call = mock.call('parted', '-a', 'optimal', '-s', '--', self.dev, 'mkpart', 'primary', 'ext2', 2097087, 2097151, run_as_root=True) else: self.assertEqual(0, mock_log.call_count) parted_call = mock.call('parted', '-a', 'optimal', '-s', '--', self.dev, 'mkpart', 'primary', 'ext2', '-64MiB', '-0', run_as_root=True) mock_execute.assert_has_calls([ parted_call, mock.call('udevadm', 'settle', '--exit-if-exists=%s' % expected_part), ]) self.assertEqual(2, mock_list_partitions.call_count) mock_is_disk_gpt.assert_called_with(self.dev, self.node_uuid) mock_disk_exceeds.assert_called_with(self.dev, self.node_uuid) mock_dd.assert_called_with(configdrive_file, expected_part) mock_unlink.assert_called_with(configdrive_file) self.assertFalse(mock_fix_gpt.called) mock_count.assert_called_with(self.dev)
[docs] def test__create_partition_mbr_disk_under_2TB(self): self._test_create_partition_mbr(disk_size_exceeds_max=False, is_iscsi_device=True)
[docs] def test__create_partition_mbr_disk_exceeds_2TB(self): self._test_create_partition_mbr(disk_size_exceeds_max=True, is_iscsi_device=False)
@mock.patch.object(disk_utils, 'count_mbr_partitions', autospec=True) @mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, '_is_disk_larger_than_max_size', autospec=True) @mock.patch.object(disk_utils, '_fix_gpt_structs', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, 'list_partitions', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_part_create_fail(self, mock_get_configdrive, mock_get_labelled_partition, mock_list_partitions, mock_is_disk_gpt, mock_fix_gpt, mock_disk_exceeds, mock_dd, mock_unlink, mock_execute, mock_count): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 initial_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] updated_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_is_disk_gpt.return_value = False mock_disk_exceeds.return_value = False mock_list_partitions.side_effect = [initial_partitions, initial_partitions, updated_partitions] # 2 primary partitions, 0 logical partitions mock_count.return_value = (2, 0) self.assertRaisesRegex(exception.InstanceDeployFailure, 'Disk partitioning failed on device', disk_utils.create_config_drive_partition, self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) mock_execute.assert_called_with('parted', '-a', 'optimal', '-s', '--', self.dev, 'mkpart', 'primary', 'ext2', '-64MiB', '-0', run_as_root=True) self.assertEqual(2, mock_list_partitions.call_count) mock_is_disk_gpt.assert_called_with(self.dev, self.node_uuid) mock_disk_exceeds.assert_called_with(self.dev, self.node_uuid) self.assertFalse(mock_fix_gpt.called) self.assertFalse(mock_dd.called) mock_unlink.assert_called_with(configdrive_file) mock_count.assert_called_once_with(self.dev)
@mock.patch.object(disk_utils, 'count_mbr_partitions', autospec=True) @mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, '_is_disk_larger_than_max_size', autospec=True) @mock.patch.object(disk_utils, '_fix_gpt_structs', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, 'list_partitions', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_part_create_exc(self, mock_get_configdrive, mock_get_labelled_partition, mock_list_partitions, mock_is_disk_gpt, mock_fix_gpt, mock_disk_exceeds, mock_dd, mock_unlink, mock_execute, mock_count): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 initial_partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 5, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_is_disk_gpt.return_value = False mock_disk_exceeds.return_value = False mock_list_partitions.side_effect = [initial_partitions, initial_partitions] # 2 primary partitions, 0 logical partitions mock_count.return_value = (2, 0) mock_execute.side_effect = processutils.ProcessExecutionError self.assertRaisesRegex(exception.InstanceDeployFailure, 'Failed to create config drive on disk', disk_utils.create_config_drive_partition, self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) mock_execute.assert_called_with('parted', '-a', 'optimal', '-s', '--', self.dev, 'mkpart', 'primary', 'ext2', '-64MiB', '-0', run_as_root=True) self.assertEqual(1, mock_list_partitions.call_count) mock_is_disk_gpt.assert_called_with(self.dev, self.node_uuid) mock_disk_exceeds.assert_called_with(self.dev, self.node_uuid) self.assertFalse(mock_fix_gpt.called) self.assertFalse(mock_dd.called) mock_unlink.assert_called_with(configdrive_file) mock_count.assert_called_once_with(self.dev)
@mock.patch.object(disk_utils, 'count_mbr_partitions', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, 'dd', autospec=True) @mock.patch.object(disk_utils, '_fix_gpt_structs', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, 'list_partitions', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_num_parts_exceed(self, mock_get_configdrive, mock_get_labelled_partition, mock_list_partitions, mock_is_disk_gpt, mock_fix_gpt, mock_dd, mock_unlink, mock_count): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 partitions = [{'end': 49152, 'number': 1, 'start': 1, 'flags': 'boot', 'filesystem': 'ext4', 'size': 49151}, {'end': 51099, 'number': 2, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 3, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}, {'end': 51099, 'number': 4, 'start': 49153, 'flags': '', 'filesystem': '', 'size': 2046}] mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_is_disk_gpt.return_value = False mock_list_partitions.side_effect = [partitions, partitions] # 4 primary partitions, 0 logical partitions mock_count.return_value = (4, 0) self.assertRaisesRegex(exception.InstanceDeployFailure, 'Config drive cannot be created for node', disk_utils.create_config_drive_partition, self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) self.assertEqual(1, mock_list_partitions.call_count) mock_is_disk_gpt.assert_called_with(self.dev, self.node_uuid) self.assertFalse(mock_fix_gpt.called) self.assertFalse(mock_dd.called) mock_unlink.assert_called_with(configdrive_file) mock_count.assert_called_once_with(self.dev)
@mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_conf_drive_sz_exceed(self, mock_get_configdrive, mock_get_labelled_partition, mock_unlink, mock_execute): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 65 mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None self.assertRaisesRegex(exception.InstanceDeployFailure, 'Config drive size exceeds maximum limit', disk_utils.create_config_drive_partition, self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) mock_unlink.assert_called_with(configdrive_file)
@mock.patch.object(disk_utils, 'count_mbr_partitions', autospec=True) @mock.patch.object(utils, 'execute', autospec=True) @mock.patch.object(utils, 'unlink_without_raise', autospec=True) @mock.patch.object(disk_utils, '_is_disk_gpt_partitioned', autospec=True) @mock.patch.object(disk_utils, '_get_labelled_partition', autospec=True) @mock.patch.object(disk_utils, '_get_configdrive', autospec=True)
[docs] def test_create_partition_conf_drive_error_counting( self, mock_get_configdrive, mock_get_labelled_partition, mock_is_disk_gpt, mock_unlink, mock_execute, mock_count): config_url = 'http://1.2.3.4/cd' configdrive_file = '/tmp/xyz' configdrive_mb = 10 mock_get_configdrive.return_value = (configdrive_mb, configdrive_file) mock_get_labelled_partition.return_value = None mock_is_disk_gpt.return_value = False mock_count.side_effect = ValueError('Booooom') self.assertRaisesRegex(exception.InstanceDeployFailure, 'Failed to check the number of primary ', disk_utils.create_config_drive_partition, self.node_uuid, self.dev, config_url) mock_get_configdrive.assert_called_with(config_url, self.node_uuid) mock_unlink.assert_called_with(configdrive_file) mock_is_disk_gpt.assert_called_with(self.dev, self.node_uuid) mock_count.assert_called_once_with(self.dev)

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