Merge "Catch ismount not being handled" into stable/wallaby

This commit is contained in:
Zuul 2022-08-09 05:35:25 +00:00 committed by Gerrit Code Review
commit 59d8969dc4
2 changed files with 152 additions and 7 deletions

View File

@ -282,6 +282,8 @@ def _run_efibootmgr(valid_efi_bootloaders, device, efi_partition,
label_id = 1
for v_bl in valid_efi_bootloaders:
if 'csv' in v_bl.lower():
LOG.debug('A CSV file has been identified as a bootloader hint. '
'File: %s', v_bl)
# These files are always UTF-16 encoded, sometimes have a header.
# Positive bonus is python silently drops the FEFF header.
with open(mount_point + '/' + v_bl, 'r', encoding='utf-16') as csv:
@ -366,6 +368,7 @@ def _manage_uefi(device, efi_system_part_uuid=None):
efi_mounted = False
efi_partition = None
LOG.debug('Attempting UEFI loader autodetection and NVRAM record setup.')
try:
# Force UEFI to rescan the device. Required if the deployment
# was over iscsi.
@ -421,6 +424,7 @@ def _manage_uefi(device, efi_system_part_uuid=None):
else:
# NOTE(dtantsur): if we have an empty EFI partition, try to use
# grub-install to populate it.
LOG.warning('Empty EFI partition detected.')
return False
except processutils.ProcessExecutionError as e:
@ -591,6 +595,29 @@ def _umount_all_partitions(path, path_variable, umount_warn_msg):
return umount_binds_success
def _mount_partition(partition, path):
if not os.path.ismount(path):
LOG.debug('Attempting to mount %(device)s to %(path)s to '
'partition.',
{'device': partition,
'path': path})
try:
utils.execute('mount', partition, path)
except processutils.ProcessExecutionError as e:
# NOTE(TheJulia): It seems in some cases,
# the python os.path.ismount can return False
# even *if* it is actually mounted. This appears
# to be becasue it tries to rely on inode on device
# logic, yet the rules are sometimes different inside
# ramdisks. So lets check the error first.
if 'already mounted' not in e:
# Raise the error, since this is not a known
# failure case
raise
else:
LOG.debug('Partition already mounted, proceeding.')
def _install_grub2(device, root_uuid, efi_system_part_uuid=None,
prep_boot_part_uuid=None, target_boot_mode='bios'):
"""Install GRUB2 bootloader on a given device."""
@ -678,11 +705,9 @@ def _install_grub2(device, root_uuid, efi_system_part_uuid=None,
# remounted.
LOG.debug('No EFI assets were preserved for setup or the '
'ramdisk was unable to complete the setup. '
'falling back to bootloader installation from'
'falling back to bootloader installation from '
'deployed image.')
if not os.path.ismount(path):
LOG.debug('Re-mounting the root partition.')
utils.execute('mount', root_partition, path)
_mount_partition(root_partition, path)
binary_name = "grub"
if os.path.exists(os.path.join(path, 'usr/sbin/grub2-install')):
@ -702,9 +727,8 @@ def _install_grub2(device, root_uuid, efi_system_part_uuid=None,
LOG.warning("GRUB2 will be installed for UEFI on efi partition "
"%s using the install command which does not place "
"Secure Boot signed binaries.", efi_partition)
if not os.path.ismount(efi_partition_mount_point):
utils.execute('mount', efi_partition,
efi_partition_mount_point)
_mount_partition(efi_partition, efi_partition_mount_point)
efi_mounted = True
try:
utils.execute('chroot %(path)s /bin/sh -c '

View File

@ -1314,6 +1314,127 @@ Boot0004* ironic1 HD(1,GPT,55db8d03-c8f6-4a5b-9155-790dddc348fa,0x800,0x640
mock_append_to_fstab.assert_called_with(self.fake_dir,
self.fake_efi_system_part_uuid)
@mock.patch.object(os.path, 'ismount', lambda *_: False)
@mock.patch.object(image, '_is_bootloader_loaded', lambda *_: False)
@mock.patch.object(image, '_append_uefi_to_fstab', autospec=True)
@mock.patch.object(image, '_preserve_efi_assets', autospec=True)
@mock.patch.object(image, '_efi_boot_setup', autospec=True)
@mock.patch.object(os.path, 'exists', autospec=True)
@mock.patch.object(hardware, 'is_md_device', autospec=True)
@mock.patch.object(hardware, 'md_get_raid_devices', autospec=True)
@mock.patch.object(os, 'environ', autospec=True)
@mock.patch.object(os, 'makedirs', autospec=True)
@mock.patch.object(image, '_get_partition', autospec=True)
def test__install_grub2_uefi_partition_image_with_preserve_failure2(
self, mock_get_part_uuid, mkdir_mock,
environ_mock, mock_md_get_raid_devices,
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')
mock_get_part_uuid.side_effect = [self.fake_root_part,
self.fake_efi_system_part]
environ_mock.get.return_value = '/sbin'
mock_is_md_device.return_value = False
mock_md_get_raid_devices.return_value = {}
mock_preserve_efi_assets.return_value = None
exec_results = [('', '')] * 21
already_exists = processutils.ProcessExecutionError(
'/dev is already mounted at /path')
# Mark mounts as already mounted, which is where os.path.ismount
# usage corresponds.
exec_results[6] = already_exists
exec_results[8] = already_exists
image._install_grub2(
self.fake_dev, root_uuid=self.fake_root_uuid,
efi_system_part_uuid=self.fake_efi_system_part_uuid,
target_boot_mode='uefi')
self.assertFalse(mock_efi_setup.called)
expected = [mock.call('mount', '/dev/fake2', self.fake_dir),
mock.call('mount', '-o', 'bind', '/dev',
self.fake_dir + '/dev'),
mock.call('mount', '-o', 'bind', '/proc',
self.fake_dir + '/proc'),
mock.call('mount', '-o', 'bind', '/run',
self.fake_dir + '/run'),
mock.call('mount', '-t', 'sysfs', 'none',
self.fake_dir + '/sys'),
mock.call(('chroot %s /bin/sh -c '
'"grub2-mkconfig -o '
'/boot/grub2/grub.cfg"' % self.fake_dir),
shell=True,
env_variables={
'PATH': '/sbin:/bin:/usr/sbin:/sbin',
'GRUB_DISABLE_OS_PROBER': 'true',
'GRUB_SAVEDEFAULT': 'true'},
use_standard_locale=True),
mock.call('mount', '/dev/fake2', self.fake_dir),
mock.call(('chroot %s /bin/sh -c "mount -a -t vfat"' %
(self.fake_dir)), shell=True,
env_variables={
'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
mock.call('mount', self.fake_efi_system_part,
self.fake_dir + '/boot/efi'),
mock.call(('chroot %s /bin/sh -c "grub2-install"' %
self.fake_dir), shell=True,
env_variables={
'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
mock.call(('chroot %s /bin/sh -c '
'"grub2-install --removable"' %
self.fake_dir), shell=True,
env_variables={
'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
mock.call(
'umount', self.fake_dir + '/boot/efi',
attempts=3, delay_on_retry=True),
mock.call('mount', self.fake_efi_system_part,
'/tmp/fake-dir/boot/efi'),
mock.call(('chroot %s /bin/sh -c '
'"grub2-mkconfig -o '
'/boot/grub2/grub.cfg"' % self.fake_dir),
shell=True,
env_variables={
'PATH': '/sbin:/bin:/usr/sbin:/sbin',
'GRUB_DISABLE_OS_PROBER': 'true',
'GRUB_SAVEDEFAULT': 'true'},
use_standard_locale=True),
mock.call('umount', self.fake_dir + '/boot/efi',
attempts=3, delay_on_retry=True),
mock.call(('chroot %s /bin/sh -c "umount -a -t vfat"' %
(self.fake_dir)), shell=True,
env_variables={
'PATH': '/sbin:/bin:/usr/sbin:/sbin'}),
mock.call('umount', self.fake_dir + '/dev',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/proc',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/run',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/sys',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir, attempts=3,
delay_on_retry=True)]
mkdir_mock.assert_not_called()
mock_execute.assert_has_calls(expected)
mock_get_part_uuid.assert_any_call(self.fake_dev,
uuid=self.fake_root_uuid)
mock_get_part_uuid.assert_any_call(self.fake_dev,
uuid=self.fake_efi_system_part_uuid)
self.assertFalse(mock_dispatch.called)
mock_preserve_efi_assets.assert_called_with(
self.fake_dir,
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(image, '_append_uefi_to_fstab', autospec=True)
@mock.patch.object(os, 'listdir', autospec=True)