Do not try to guess EFI partition path by its number
The logic of adding a partition number to the device path does not work
for devicemapper devices (e.g. a multipath storage device).
Conflicts:
ironic_python_agent/efi_utils.py
ironic_python_agent/tests/unit/extensions/test_image.py
ironic_python_agent/tests/unit/test_efi_utils.py
Change-Id: I9a445e847d282c50adfa4bad5e7136776861005d
(cherry picked from commit f09f6c9f1a)
This commit is contained in:
Dmitry Tantsur
parent
aeed2df155
commit
067cf9b535
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@ -323,12 +323,43 @@ def _run_efibootmgr(valid_efi_bootloaders, device, efi_partition,
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# Update the nvram using efibootmgr
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# https://linux.die.net/man/8/efibootmgr
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utils.execute('efibootmgr', '-v', '-c', '-d', device,
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'-p', efi_partition, '-w', '-L', label,
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'-p', str(efi_partition), '-w', '-L', label,
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'-l', v_efi_bl_path)
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# Increment the ID in case the loop runs again.
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label_id += 1
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def get_partition_path_by_number(device, part_num):
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"""Get partition path (/dev/something) by a partition number on device.
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Only works for GPT partition table.
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"""
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uuid = None
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partinfo, _ = utils.execute('sgdisk', '-i', str(part_num), device,
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use_standard_locale=True)
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for line in partinfo.splitlines():
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if not line.strip():
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continue
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try:
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field, value = line.rsplit(':', 1)
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except ValueError:
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LOG.warning('Invalid sgdisk line: %s', line)
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continue
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if 'partition unique guid' in field.lower():
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uuid = value.strip().lower()
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LOG.debug('GPT partition number %s on device %s has UUID %s',
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part_num, device, uuid)
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break
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if uuid is not None:
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return _get_partition(device, uuid)
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else:
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LOG.warning('No UUID information provided in sgdisk output for '
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'partition %s on device %s', part_num, device)
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def _manage_uefi(device, efi_system_part_uuid=None):
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"""Manage the device looking for valid efi bootloaders to update the nvram.
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@ -344,6 +375,7 @@ def _manage_uefi(device, efi_system_part_uuid=None):
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"""
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efi_partition_mount_point = None
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efi_mounted = False
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efi_partition = None
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LOG.debug('Attempting UEFI loader autodetection and NVRAM record setup.')
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try:
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# Force UEFI to rescan the device.
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@ -351,17 +383,27 @@ def _manage_uefi(device, efi_system_part_uuid=None):
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local_path = tempfile.mkdtemp()
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# Trust the contents on the disk in the event of a whole disk image.
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efi_partition = utils.get_efi_part_on_device(device)
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efi_part_num = utils.get_efi_part_on_device(device)
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if efi_part_num is not None:
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efi_partition = get_partition_path_by_number(device, efi_part_num)
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if not efi_partition and efi_system_part_uuid:
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# _get_partition returns <device>+<partition> and we only need the
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# partition number
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partition = _get_partition(device, uuid=efi_system_part_uuid)
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efi_partition = _get_partition(device, uuid=efi_system_part_uuid)
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try:
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efi_partition = int(partition.replace(device, ""))
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efi_part_num = int(efi_partition.replace(device, ""))
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except ValueError:
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# NVMe Devices get a partitioning scheme that is different from
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# traditional block devices like SCSI/SATA
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efi_partition = int(partition.replace(device + 'p', ""))
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try:
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efi_part_num = int(efi_partition.replace(device + 'p', ""))
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except ValueError as exc:
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# At least provide a reasonable error message if the device
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# does not follow this procedure.
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raise errors.DeviceNotFound(
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"Cannot detect the partition number of the device "
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"%s: %s" % (device, exc))
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if not efi_partition:
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# NOTE(dtantsur): we cannot have a valid EFI deployment without an
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@ -378,15 +420,7 @@ def _manage_uefi(device, efi_system_part_uuid=None):
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if not os.path.exists(efi_partition_mount_point):
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os.makedirs(efi_partition_mount_point)
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# The mount needs the device with the partition, in case the
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# device ends with a digit we add a `p` and the partition number we
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# found, otherwise we just join the device and the partition number
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if device[-1].isdigit():
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efi_device_part = '{}p{}'.format(device, efi_partition)
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utils.execute('mount', efi_device_part, efi_partition_mount_point)
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else:
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efi_device_part = '{}{}'.format(device, efi_partition)
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utils.execute('mount', efi_device_part, efi_partition_mount_point)
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utils.execute('mount', efi_partition, efi_partition_mount_point)
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efi_mounted = True
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valid_efi_bootloaders = _get_efi_bootloaders(efi_partition_mount_point)
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@ -398,7 +432,7 @@ def _manage_uefi(device, efi_system_part_uuid=None):
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if not hardware.is_md_device(device):
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efi_devices = [device]
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efi_partition_numbers = [efi_partition]
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efi_partition_numbers = [efi_part_num]
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efi_label_suffix = ''
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else:
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# umount to allow for signature removal (to avoid confusion about
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@ -409,7 +443,7 @@ def _manage_uefi(device, efi_system_part_uuid=None):
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holders = hardware.get_holder_disks(device)
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efi_md_device = prepare_boot_partitions_for_softraid(
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device, holders, efi_device_part, target_boot_mode='uefi'
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device, holders, efi_partition, target_boot_mode='uefi'
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)
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efi_devices = hardware.get_component_devices(efi_md_device)
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efi_partition_numbers = []
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@ -426,12 +460,12 @@ def _manage_uefi(device, efi_system_part_uuid=None):
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efi_label_suffix = "(RAID, part%s)"
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# remount for _run_efibootmgr
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utils.execute('mount', efi_device_part, efi_partition_mount_point)
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utils.execute('mount', efi_partition, efi_partition_mount_point)
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efi_mounted = True
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efi_dev_part = zip(efi_devices, efi_partition_numbers)
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for i, (efi_dev, efi_part) in enumerate(efi_dev_part):
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LOG.debug("Calling efibootmgr with dev %s part %s",
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LOG.debug("Calling efibootmgr with dev %s partition number %s",
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efi_dev, efi_part)
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if efi_label_suffix:
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# NOTE (arne_wiebalck): uniqify the labels to prevent
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@ -27,6 +27,7 @@ from ironic_python_agent.extensions import image
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from ironic_python_agent import hardware
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from ironic_python_agent import raid_utils
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from ironic_python_agent.tests.unit import base
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from ironic_python_agent.tests.unit.samples import hardware_samples
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from ironic_python_agent import utils
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@ -218,14 +219,14 @@ class TestImageExtension(base.IronicAgentTest):
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=False)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__uefi_bootloader_given_partition(
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self, mkdir_mock, mock_utils_efi_part, mock_partition,
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self, mkdir_mock, mock_utils_efi_part, mock_get_partition,
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mock_efi_bl, mock_execute, mock_dispatch):
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mock_dispatch.side_effect = [
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self.fake_dev, hardware.BootInfo(current_boot_mode='uefi')
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]
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mock_partition.side_effect = [self.fake_dev, self.fake_efi_system_part]
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mock_get_partition.return_value = self.fake_efi_system_part
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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mock_utils_efi_part.return_value = '1'
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mock_utils_efi_part.return_value = None
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mock_execute.side_effect = iter([('', ''), ('', ''),
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('', ''), ('', ''),
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@ -262,16 +263,16 @@ class TestImageExtension(base.IronicAgentTest):
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@mock.patch.object(hardware, 'is_md_device', lambda *_: False)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__uefi_bootloader_find_partition(
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self, mkdir_mock, mock_utils_efi_part, mock_partition,
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self, mkdir_mock, mock_utils_efi_part, mock_get_part_path,
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mock_efi_bl, mock_execute, mock_dispatch):
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mock_dispatch.side_effect = [
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self.fake_dev, hardware.BootInfo(current_boot_mode='uefi')
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]
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mock_partition.return_value = self.fake_dev
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_utils_efi_part.return_value = '1'
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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mock_execute.side_effect = iter([('', ''), ('', ''),
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@ -309,16 +310,16 @@ class TestImageExtension(base.IronicAgentTest):
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@mock.patch.object(hardware, 'is_md_device', lambda *_: False)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__uefi_bootloader_with_entry_removal(
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self, mkdir_mock, mock_utils_efi_part, mock_partition,
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self, mkdir_mock, mock_utils_efi_part, mock_get_part_path,
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mock_efi_bl, mock_execute, mock_dispatch):
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mock_dispatch.side_effect = [
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self.fake_dev, hardware.BootInfo(current_boot_mode='uefi')
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]
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mock_partition.return_value = self.fake_dev
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_utils_efi_part.return_value = '1'
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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stdout_msg = """
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@ -366,16 +367,16 @@ Boot0002 VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
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@mock.patch.object(hardware, 'is_md_device', lambda *_: False)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__uefi_bootloader_with_entry_removal_lenovo(
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self, mkdir_mock, mock_utils_efi_part, mock_partition,
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self, mkdir_mock, mock_utils_efi_part, mock_get_part_path,
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mock_efi_bl, mock_execute, mock_dispatch):
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mock_dispatch.side_effect = [
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self.fake_dev, hardware.BootInfo(current_boot_mode='uefi')
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]
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mock_partition.return_value = self.fake_dev
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_utils_efi_part.return_value = '1'
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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# NOTE(TheJulia): This test string was derived from a lenovo SR650
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@ -428,16 +429,16 @@ Boot0004* ironic1 HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
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@mock.patch.object(hardware, 'is_md_device', lambda *_: False)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__add_multi_bootloaders(
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self, mkdir_mock, mock_utils_efi_part, mock_partition,
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self, mkdir_mock, mock_utils_efi_part, mock_get_part_path,
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mock_efi_bl, mock_execute, mock_dispatch):
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mock_dispatch.side_effect = [
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self.fake_dev, hardware.BootInfo(current_boot_mode='uefi')
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]
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mock_partition.return_value = self.fake_dev
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_utils_efi_part.return_value = '1'
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI',
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'WINDOWS/system32/winload.efi']
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@ -2326,14 +2327,14 @@ Boot0004* ironic1 HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__manage_uefi(self, mkdir_mock, mock_utils_efi_part,
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mock_get_part_uuid, mock_efi_bl, mock_is_md_device,
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mock_get_part_path, mock_efi_bl, mock_is_md_device,
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mock_execute, mock_dispatch):
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mock_utils_efi_part.return_value = '1'
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mock_get_part_uuid.return_value = self.fake_dev
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_is_md_device.return_value = False
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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@ -2366,15 +2367,15 @@ Boot0004* ironic1 HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__manage_uefi_found_csv(self, mkdir_mock, mock_utils_efi_part,
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mock_get_part_uuid, mock_efi_bl,
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mock_get_part_path, mock_efi_bl,
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mock_is_md_device, mock_execute,
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mock_dispatch):
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mock_utils_efi_part.return_value = '1'
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mock_get_part_uuid.return_value = self.fake_dev
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_is_md_device.return_value = False
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mock_efi_bl.return_value = ['EFI/vendor/BOOTX64.CSV']
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@ -2427,15 +2428,15 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__manage_uefi_nvme_device(self, mkdir_mock, mock_utils_efi_part,
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mock_get_part_uuid, mock_efi_bl,
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mock_get_part_path, mock_efi_bl,
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mock_is_md_device, mock_execute,
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mock_dispatch):
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mock_utils_efi_part.return_value = '1'
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mock_get_part_uuid.return_value = '/dev/fakenvme0p1'
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mock_get_part_path.return_value = '/dev/fakenvme0p1'
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mock_is_md_device.return_value = False
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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@ -2468,15 +2469,15 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
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@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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def test__manage_uefi_wholedisk(
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self, mkdir_mock, mock_utils_efi_part,
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mock_get_part_uuid, mock_efi_bl, mock_is_md_device,
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mock_get_part_path, mock_efi_bl, mock_is_md_device,
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mock_execute, mock_dispatch):
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mock_utils_efi_part.return_value = '1'
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mock_get_part_uuid.side_effect = Exception
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mock_get_part_path.return_value = self.fake_efi_system_part
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mock_is_md_device.return_value = False
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mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
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|
|
@ -2514,16 +2515,16 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
|
|||
@mock.patch.object(hardware, 'get_holder_disks', autospec=True)
|
||||
@mock.patch.object(hardware, 'is_md_device', autospec=True)
|
||||
@mock.patch.object(image, '_get_efi_bootloaders', autospec=True)
|
||||
@mock.patch.object(image, '_get_partition', autospec=True)
|
||||
@mock.patch.object(image, 'get_partition_path_by_number', autospec=True)
|
||||
@mock.patch.object(utils, 'get_efi_part_on_device', autospec=True)
|
||||
@mock.patch.object(os, 'makedirs', autospec=True)
|
||||
def test__manage_uefi_software_raid(
|
||||
self, mkdir_mock, mock_utils_efi_part,
|
||||
mock_get_part_uuid, mock_efi_bl, mock_is_md_device,
|
||||
mock_get_part_path, mock_efi_bl, mock_is_md_device,
|
||||
mock_get_holder_disks, mock_prepare, mock_get_component_devices,
|
||||
mock_execute, mock_dispatch):
|
||||
mock_utils_efi_part.return_value = '1'
|
||||
mock_get_part_uuid.side_effect = Exception
|
||||
mock_get_part_path.return_value = self.fake_efi_system_part
|
||||
mock_efi_bl.return_value = ['EFI/BOOT/BOOTX64.EFI']
|
||||
mock_is_md_device.return_value = True
|
||||
mock_get_holder_disks.return_value = ['/dev/sda', '/dev/sdb']
|
||||
|
|
@ -2671,3 +2672,21 @@ Boot0002: VENDMAGIC FvFile(9f3c6294-bf9b-4208-9808-be45dfc34b51)
|
|||
mock_open.side_effect = OSError('boom')
|
||||
image._append_uefi_to_fstab(
|
||||
self.fake_dir, 'abcd-efgh')
|
||||
|
||||
|
||||
@mock.patch.object(image, '_get_partition', autospec=True)
|
||||
@mock.patch.object(utils, 'execute', autospec=True)
|
||||
class TestGetPartitionPathByNumber(base.IronicAgentTest):
|
||||
def test_ok(self, mock_execute, mock_get_partition):
|
||||
mock_execute.return_value = (hardware_samples.SGDISK_INFO_TEMPLATE, '')
|
||||
mock_get_partition.return_value = '/dev/fake1'
|
||||
result = image.get_partition_path_by_number('/dev/fake', 1)
|
||||
self.assertEqual('/dev/fake1', result)
|
||||
mock_execute.assert_called_once_with('sgdisk', '-i', '1', '/dev/fake',
|
||||
use_standard_locale=True)
|
||||
|
||||
def test_broken(self, mock_execute, mock_get_partition):
|
||||
mock_execute.return_value = ('I am a teaport', '')
|
||||
self.assertIsNone(
|
||||
image.get_partition_path_by_number('/dev/fake', 1))
|
||||
mock_get_partition.assert_not_called()
|
||||
|
|
|
|||
|
|
@ -1500,3 +1500,14 @@ NVME_CLI_INFO_TEMPLATE_FORMAT_UNSUPPORTED = ("""
|
|||
]
|
||||
}
|
||||
""")
|
||||
|
||||
|
||||
SGDISK_INFO_TEMPLATE = ("""
|
||||
Partition GUID code: C12A7328-F81F-11D2-BA4B-00A0C93EC93B (EFI system partition)
|
||||
Partition unique GUID: FAED7408-6D92-4FC6-883B-9069E2274ECA
|
||||
First sector: 2048 (at 1024.0 KiB)
|
||||
Last sector: 1050623 (at 513.0 MiB)
|
||||
Partition size: 1048576 sectors (512.0 MiB)
|
||||
Attribute flags: 0000000000000000
|
||||
Partition name: 'EFI System Partition'
|
||||
""") # noqa
|
||||
|
|
|
|||
|
|
@ -0,0 +1,5 @@
|
|||
---
|
||||
fixes:
|
||||
- |
|
||||
Fixes configuring UEFI boot when the EFI partition is located on a
|
||||
devicemapper device.
|
||||
Loading…
Reference in New Issue