Add fstab pointer to EFI partition
Adds support for the EFI partition to be appended to fstab so the filesystem can be automounted and EFI loader updated should the deployed operating system need to do so. This should enable bootloaders to be upgraded by linux based operating systems after the instance has been deployed when a partition image was utilized for the initial deployment. Change-Id: Iec28a8841cc01ec8b01a3f5cca070c934c7a2531 Story: 2008070 Task: 40754
This commit is contained in:
Julia Kreger
parent
f9870d5812
commit
a12a5744b6
@ -573,6 +573,7 @@ def _install_grub2(device, root_uuid, efi_system_part_uuid=None,
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device, path, efi_system_part_uuid,
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efi_partitions, efi_partition_mount_point)
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if efi_preserved:
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_append_uefi_to_fstab(path, efi_system_part_uuid)
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# Success preserving efi assets
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return
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else:
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@ -675,6 +676,9 @@ def _install_grub2(device, root_uuid, efi_system_part_uuid=None,
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# recommended path.
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_configure_grub(device, path)
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if efi_mounted:
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_append_uefi_to_fstab(path, efi_system_part_uuid)
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LOG.info("GRUB2 successfully installed on %s", device)
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except processutils.ProcessExecutionError as e:
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@ -822,6 +826,27 @@ def _try_preserve_efi_assets(device, path,
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'filesystem. Error: %s', e)
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def _append_uefi_to_fstab(fs_path, efi_system_part_uuid):
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"""Append the efi partition id to the filesystem table.
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:param fs_path:
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:param efi_system_part_uuid:
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"""
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fstab_file = os.path.join(fs_path, 'etc/fstab')
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if not os.path.exists(fstab_file):
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return
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try:
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fstab_string = ("UUID=%s\t/boot/efi\tvfat\tumask=0077\t"
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"0\t1\n") % efi_system_part_uuid
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with open(fstab_file, "r+") as fstab:
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if efi_system_part_uuid not in fstab.read():
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fstab.writelines(fstab_string)
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except (OSError, EnvironmentError, IOError) as exc:
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LOG.debug('Failed to add entry to /etc/fstab. Error %s', exc)
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LOG.debug('Added entry to /etc/fstab for EFI partition auto-mount '
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'with uuid %s', efi_system_part_uuid)
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def _efi_boot_setup(device, efi_system_part_uuid=None, target_boot_mode=None):
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"""Identify and setup an EFI bootloader from supplied partition/disk.
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@ -504,13 +504,15 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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@mock.patch.object(os.path, 'exists', lambda *_: True)
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
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@mock.patch.object(image, '_append_uefi_to_fstab', autospec=True)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(hardware, 'md_get_raid_devices', autospec=True)
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@mock.patch.object(os, 'environ', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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def test__install_grub2(self, mock_get_part_uuid, environ_mock,
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mock_md_get_raid_devices, mock_is_md_device,
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mock_execute, mock_dispatch):
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mock_append_to_fstab, mock_execute,
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mock_dispatch):
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mock_get_part_uuid.return_value = self.fake_root_part
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environ_mock.get.return_value = '/sbin'
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mock_is_md_device.return_value = False
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@ -562,6 +564,7 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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mock_get_part_uuid.assert_called_once_with(self.fake_dev,
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uuid=self.fake_root_uuid)
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self.assertFalse(mock_dispatch.called)
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self.assertFalse(mock_append_to_fstab.called)
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@ -631,6 +634,7 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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@mock.patch.object(os.path, 'ismount', lambda *_: True)
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@mock.patch.object(os.path, 'exists', lambda *_: False)
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: True)
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@mock.patch.object(image, '_append_uefi_to_fstab', autospec=True)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(hardware, 'md_get_raid_devices', autospec=True)
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@mock.patch.object(os, 'environ', autospec=True)
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@ -638,8 +642,8 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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@mock.patch.object(image, '_get_partition', autospec=True)
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def test__install_grub2_uefi(self, mock_get_part_uuid, mkdir_mock,
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environ_mock, mock_md_get_raid_devices,
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mock_is_md_device, mock_execute,
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mock_dispatch):
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mock_is_md_device, mock_append_to_fstab,
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mock_execute, mock_dispatch):
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mock_get_part_uuid.side_effect = [self.fake_root_part,
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self.fake_efi_system_part]
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environ_mock.get.return_value = '/sbin'
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@ -712,10 +716,218 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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mock_get_part_uuid.assert_any_call(self.fake_dev,
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uuid=self.fake_efi_system_part_uuid)
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self.assertFalse(mock_dispatch.called)
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mock_append_to_fstab.assert_called_with(self.fake_dir,
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self.fake_efi_system_part_uuid)
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@mock.patch.object(os.path, 'ismount', lambda *_: True)
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: True)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(hardware, 'md_get_raid_devices', autospec=True)
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@mock.patch.object(os, 'environ', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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def test__install_grub2_uefi_fstab(self, mock_get_part_uuid, mkdir_mock,
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environ_mock, mock_md_get_raid_devices,
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mock_is_md_device, mock_exists,
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mock_execute, mock_dispatch):
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mock_get_part_uuid.side_effect = [self.fake_root_part,
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self.fake_efi_system_part]
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environ_mock.get.return_value = '/sbin'
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mock_is_md_device.return_value = False
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mock_md_get_raid_devices.return_value = {}
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mock_exists.side_effect = iter([False, True, False, True, True])
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with mock.patch('builtins.open', mock.mock_open()) as mock_open:
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image._install_grub2(
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self.fake_dev, root_uuid=self.fake_root_uuid,
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efi_system_part_uuid=self.fake_efi_system_part_uuid,
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target_boot_mode='uefi')
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write_calls = [
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mock.call(self.fake_dir + '/etc/fstab', 'r+'),
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mock.call().__enter__(),
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mock.call().read(),
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mock.call().writelines('UUID=%s\t/boot/efi\tvfat\t'
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'umask=0077\t0\t1'
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'\n' % self.fake_efi_system_part_uuid),
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mock.call().__exit__(None, None, None)]
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mock_open.assert_has_calls(write_calls)
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expected = [mock.call('mount', '/dev/fake2', self.fake_dir),
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mock.call('mount', '-o', 'bind', '/dev',
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self.fake_dir + '/dev'),
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mock.call('mount', '-o', 'bind', '/proc',
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self.fake_dir + '/proc'),
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mock.call('mount', '-o', 'bind', '/run',
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self.fake_dir + '/run'),
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mock.call('mount', '-t', 'sysfs', 'none',
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self.fake_dir + '/sys'),
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mock.call(('chroot %s /bin/sh -c "mount -a -t vfat"' %
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(self.fake_dir)), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call('mount', self.fake_efi_system_part,
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self.fake_dir + '/boot/efi'),
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mock.call(('chroot %s /bin/sh -c "grub2-install"' %
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self.fake_dir), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call(('chroot %s /bin/sh -c '
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'"grub2-install --removable"' %
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self.fake_dir), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call(
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'umount', self.fake_dir + '/boot/efi',
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attempts=3, delay_on_retry=True),
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mock.call('mount', self.fake_efi_system_part,
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'/tmp/fake-dir/boot/efi'),
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mock.call(('chroot %s /bin/sh -c '
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'"grub2-mkconfig -o '
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'/boot/grub2/grub.cfg"' % self.fake_dir),
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shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin',
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'GRUB_DISABLE_OS_PROBER': 'true',
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'GRUB_SAVEDEFAULT': 'true'},
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use_standard_locale=True),
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mock.call('umount', self.fake_dir + '/boot/efi',
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attempts=3, delay_on_retry=True),
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mock.call(('chroot %s /bin/sh -c "umount -a -t vfat"' %
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(self.fake_dir)), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call('umount', self.fake_dir + '/dev',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir + '/proc',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir + '/run',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir + '/sys',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir, attempts=3,
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delay_on_retry=True)]
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mkdir_mock.assert_called_once_with(self.fake_dir + '/boot/efi')
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mock_execute.assert_has_calls(expected)
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mock_get_part_uuid.assert_any_call(self.fake_dev,
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uuid=self.fake_root_uuid)
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mock_get_part_uuid.assert_any_call(self.fake_dev,
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uuid=self.fake_efi_system_part_uuid)
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self.assertFalse(mock_dispatch.called)
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@mock.patch.object(image, '_efi_boot_setup', lambda *_: False)
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@mock.patch.object(os.path, 'ismount', lambda *_: True)
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: True)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@mock.patch.object(hardware, 'is_md_device', autospec=True)
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@mock.patch.object(hardware, 'md_get_raid_devices', autospec=True)
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@mock.patch.object(os, 'environ', autospec=True)
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@mock.patch.object(os, 'makedirs', autospec=True)
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@mock.patch.object(image, '_get_partition', autospec=True)
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def test__install_grub2_uefi_no_fstab(
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self, mock_get_part_uuid,
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mkdir_mock,
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environ_mock, mock_md_get_raid_devices,
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mock_is_md_device, mock_exists,
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mock_execute, mock_dispatch):
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mock_get_part_uuid.side_effect = [self.fake_root_part,
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self.fake_efi_system_part]
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environ_mock.get.return_value = '/sbin'
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mock_is_md_device.return_value = False
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mock_md_get_raid_devices.return_value = {}
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fstab_data = (
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'UUID=%s\tpath vfat option' % self.fake_efi_system_part_uuid)
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mock_exists.side_effect = [True, False, True, True, True, False,
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True, True]
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with mock.patch('builtins.open',
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mock.mock_open(read_data=fstab_data)) as mock_open:
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image._install_grub2(
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self.fake_dev, root_uuid=self.fake_root_uuid,
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efi_system_part_uuid=self.fake_efi_system_part_uuid,
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target_boot_mode='uefi')
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write_calls = [
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mock.call(self.fake_dir + '/etc/fstab', 'r+'),
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mock.call().__enter__(),
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mock.call().read(),
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mock.call().__exit__(None, None, None)]
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mock_open.assert_has_calls(write_calls)
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expected = [mock.call('mount', '/dev/fake2', self.fake_dir),
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mock.call('mount', '-o', 'bind', '/dev',
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self.fake_dir + '/dev'),
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mock.call('mount', '-o', 'bind', '/proc',
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self.fake_dir + '/proc'),
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mock.call('mount', '-o', 'bind', '/run',
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self.fake_dir + '/run'),
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mock.call('mount', '-t', 'sysfs', 'none',
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self.fake_dir + '/sys'),
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mock.call(('chroot %s /bin/sh -c '
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'"grub2-mkconfig -o '
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'/boot/grub2/grub.cfg"' % self.fake_dir),
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shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin',
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'GRUB_DISABLE_OS_PROBER': 'true',
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'GRUB_SAVEDEFAULT': 'true'},
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use_standard_locale=True),
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mock.call('umount', self.fake_dir + '/boot/efi'),
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# NOTE(TheJulia): chroot mount is for whole disk images
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mock.call(('chroot %s /bin/sh -c "mount -a -t vfat"' %
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(self.fake_dir)), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call('mount', self.fake_efi_system_part,
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self.fake_dir + '/boot/efi'),
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mock.call(('chroot %s /bin/sh -c "grub2-install"' %
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self.fake_dir), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call(('chroot %s /bin/sh -c '
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'"grub2-install --removable"' %
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self.fake_dir), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call(
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'umount', self.fake_dir + '/boot/efi',
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attempts=3, delay_on_retry=True),
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mock.call('mount', self.fake_efi_system_part,
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'/tmp/fake-dir/boot/efi'),
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mock.call(('chroot %s /bin/sh -c '
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'"grub2-mkconfig -o '
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'/boot/grub2/grub.cfg"' % self.fake_dir),
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shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin',
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'GRUB_DISABLE_OS_PROBER': 'true',
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'GRUB_SAVEDEFAULT': 'true'},
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use_standard_locale=True),
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mock.call('umount', self.fake_dir + '/boot/efi',
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attempts=3, delay_on_retry=True),
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mock.call(('chroot %s /bin/sh -c "umount -a -t vfat"' %
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(self.fake_dir)), shell=True,
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env_variables={
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'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
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mock.call('umount', self.fake_dir + '/dev',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir + '/proc',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir + '/run',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir + '/sys',
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attempts=3, delay_on_retry=True),
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mock.call('umount', self.fake_dir, attempts=3,
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delay_on_retry=True)]
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mkdir_mock.assert_called_once_with(self.fake_dir + '/boot/efi')
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mock_execute.assert_has_calls(expected)
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mock_get_part_uuid.assert_any_call(self.fake_dev,
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uuid=self.fake_root_uuid)
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mock_get_part_uuid.assert_any_call(self.fake_dev,
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uuid=self.fake_efi_system_part_uuid)
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self.assertFalse(mock_dispatch.called)
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@mock.patch.object(os.path, 'ismount', lambda *_: False)
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@mock.patch.object(os, 'listdir', lambda *_: ['file1', 'file2'])
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
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@mock.patch.object(image, '_append_uefi_to_fstab', autospec=True)
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@mock.patch.object(image, '_efi_boot_setup', autospec=True)
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@mock.patch.object(shutil, 'copytree', autospec=True)
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@mock.patch.object(os.path, 'exists', autospec=True)
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@ -729,8 +941,10 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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environ_mock, mock_md_get_raid_devices,
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mock_is_md_device, mock_exists,
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mock_copytree, mock_efi_setup,
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mock_execute, mock_dispatch):
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mock_exists.return_value = True
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mock_append_to_fstab, mock_execute,
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mock_dispatch):
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mock_exists.side_effect = [True, False, True, True, True, False, True,
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False, False]
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mock_efi_setup.return_value = True
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mock_get_part_uuid.side_effect = [self.fake_root_part,
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self.fake_efi_system_part]
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@ -791,6 +1005,8 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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mock_get_part_uuid.assert_any_call(self.fake_dev,
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uuid=self.fake_efi_system_part_uuid)
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self.assertFalse(mock_dispatch.called)
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mock_append_to_fstab.assert_called_with(self.fake_dir,
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self.fake_efi_system_part_uuid)
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@mock.patch.object(os, 'listdir', lambda *_: ['file1', 'file2'])
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
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@ -878,6 +1094,7 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
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@mock.patch.object(os.path, 'ismount', lambda *_: True)
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@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
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@mock.patch.object(image, '_append_uefi_to_fstab', autospec=True)
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@mock.patch.object(image, '_preserve_efi_assets', autospec=True)
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@mock.patch.object(image, '_efi_boot_setup', autospec=True)
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@mock.patch.object(os.path, 'exists', autospec=True)
|
||||
@ -892,6 +1109,7 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
|
||||
mock_is_md_device, mock_exists,
|
||||
mock_efi_setup,
|
||||
mock_preserve_efi_assets,
|
||||
mock_append_to_fstab,
|
||||
mock_execute, mock_dispatch):
|
||||
mock_exists.return_value = True
|
||||
mock_efi_setup.side_effect = Exception('meow')
|
||||
@ -984,6 +1202,8 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
|
||||
self.fake_dir + '/boot/efi/EFI',
|
||||
['/dev/fake1'],
|
||||
self.fake_dir + '/boot/efi')
|
||||
mock_append_to_fstab.assert_called_with(self.fake_dir,
|
||||
self.fake_efi_system_part_uuid)
|
||||
|
||||
@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
|
||||
@mock.patch.object(os, 'listdir', autospec=True)
|
||||
@ -1077,6 +1297,7 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
|
||||
@mock.patch.object(os.path, 'ismount', lambda *_: True)
|
||||
@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
|
||||
@mock.patch.object(os, 'listdir', autospec=True)
|
||||
@mock.patch.object(image, '_append_uefi_to_fstab', autospec=True)
|
||||
@mock.patch.object(image, '_efi_boot_setup', autospec=True)
|
||||
@mock.patch.object(shutil, 'copytree', autospec=True)
|
||||
@mock.patch.object(os.path, 'exists', autospec=True)
|
||||
@ -1090,8 +1311,8 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
|
||||
environ_mock, mock_md_get_raid_devices,
|
||||
mock_is_md_device, mock_exists,
|
||||
mock_copytree, mock_efi_setup,
|
||||
mock_oslistdir, mock_execute,
|
||||
mock_dispatch):
|
||||
mock_append_to_fstab, mock_oslistdir,
|
||||
mock_execute, mock_dispatch):
|
||||
mock_exists.side_effect = [True, False, False, True, True, True, True]
|
||||
mock_efi_setup.side_effect = Exception('meow')
|
||||
mock_oslistdir.return_value = ['file1']
|
||||
@ -1174,6 +1395,8 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
|
||||
mock_get_part_uuid.assert_any_call(self.fake_dev,
|
||||
uuid=self.fake_efi_system_part_uuid)
|
||||
self.assertFalse(mock_dispatch.called)
|
||||
mock_append_to_fstab.assert_called_with(self.fake_dir,
|
||||
self.fake_efi_system_part_uuid)
|
||||
|
||||
@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
|
||||
@mock.patch.object(hardware, 'is_md_device', autospec=True)
|
||||
@ -2042,3 +2265,11 @@ efibootmgr: ** Warning ** : Boot0005 has same label ironic1\n
|
||||
'\\EFI\\BOOT\\BOOTX64.EFI')]
|
||||
self.assertIsNone(result)
|
||||
mock_execute.assert_has_calls(expected)
|
||||
|
||||
@mock.patch.object(os.path, 'exists', lambda *_: True)
|
||||
def test__append_uefi_to_fstab_handles_error(self, mock_execute,
|
||||
mock_dispatch):
|
||||
with mock.patch('builtins.open', mock.mock_open()) as mock_open:
|
||||
mock_open.side_effect = OSError('boom')
|
||||
image._append_uefi_to_fstab(
|
||||
self.fake_dir, 'abcd-efgh')
|
||||
|
||||
@ -0,0 +1,8 @@
|
||||
---
|
||||
fixes:
|
||||
- |
|
||||
The system file system configuration file for Linux machines, the
|
||||
``/etc/fstab`` file is now updated to include a reference to the
|
||||
EFI partition in the case of a partition image base deployment.
|
||||
Without this reference, images deployed using partition images
|
||||
could end up in situations where upgrading the bootloader could fail.
|
||||
Loading…
Reference in New Issue
Block a user