def test_unblacklist_udev_rules_executes(self, mock_udev, mock_execute,
mock_os, mock_open):
utils.unblacklist_udev_rules('/etc/udev/rules.d', '.renamedrule')
self.assertEqual([mock.call('udevadm', 'control', '--reload-rules',
check_exit_code=[0]),
mock.call('udevadm', 'trigger',
'--subsystem-match=block',
check_exit_code=[0])],
mock_execute.call_args_list)
def test_unblacklist_udev_rules_executes(self, mock_udev, mock_execute, mock_os, mock_open):
utils.unblacklist_udev_rules("/etc/udev/rules.d", ".renamedrule")
self.assertEqual(
[
mock.call("udevadm", "control", "--reload-rules", check_exit_code=[0]),
mock.call("udevadm", "trigger", "--subsystem-match=block", check_exit_code=[0]),
],
mock_execute.call_args_list,
)
def test_unblacklist_udev_rules_not_a_rule(self, mock_udev, mock_execute,
mock_os, mock_open):
mock_os.path.join.side_effect = self._fake_join
mock_os.listdir.return_value = ['not_a_rule', 'dir']
mock_os.path.isdir.side_effect = [False, True]
utils.unblacklist_udev_rules('/etc/udev/rules.d', '.renamedrule')
mock_os.listdir.assert_called_once_with('/etc/udev/rules.d')
self.assertEqual([mock.call('/etc/udev/rules.d', 'not_a_rule'),
mock.call('/etc/udev/rules.d', 'dir')],
mock_os.path.join.call_args_list)
self.assertEqual([mock.call('/etc/udev/rules.d/not_a_rule'),
mock.call('/etc/udev/rules.d/dir')],
mock_os.path.isdir.call_args_list)
self.assertFalse(mock_os.path.exists.called)
self.assertFalse(mock_os.remove.called)
self.assertFalse(mock_os.rename.called)
mock_udev.assert_called_once_with()
def test_unblacklist_udev_rules_remove(self, mock_udev, mock_execute, mock_os, mock_open):
mock_os.path.join.side_effect = self._fake_join
mock_os.listdir.return_value = ["fake.rules", "fake_err.rules"]
mock_os.remove.side_effect = [None, OSError]
mock_os.path.isdir.side_effect = 2 * [False]
mock_os.path.islink.return_value = True
utils.unblacklist_udev_rules("/etc/udev/rules.d", ".renamedrule")
self.assertFalse(mock_os.path.exists.called)
self.assertFalse(mock_os.rename.called)
mock_os.listdir.assert_called_once_with("/etc/udev/rules.d")
expected_rules_calls = [
mock.call("/etc/udev/rules.d/fake.rules"),
mock.call("/etc/udev/rules.d/fake_err.rules"),
]
self.assertEqual(expected_rules_calls, mock_os.path.islink.call_args_list)
self.assertEqual(expected_rules_calls, mock_os.remove.call_args_list)
self.assertEqual(2 * [mock.call()], mock_udev.call_args_list)
def test_unblacklist_udev_rules_remove(self, mock_udev, mock_execute,
mock_os, mock_open):
mock_os.path.join.side_effect = self._fake_join
mock_os.listdir.return_value = ['fake.rules', 'fake_err.rules']
mock_os.remove.side_effect = [None, OSError]
mock_os.path.isdir.side_effect = 2 * [False]
mock_os.path.islink.return_value = True
utils.unblacklist_udev_rules('/etc/udev/rules.d', '.renamedrule')
self.assertFalse(mock_os.path.exists.called)
self.assertFalse(mock_os.rename.called)
mock_os.listdir.assert_called_once_with('/etc/udev/rules.d')
expected_rules_calls = [mock.call('/etc/udev/rules.d/fake.rules'),
mock.call('/etc/udev/rules.d/fake_err.rules')]
self.assertEqual(expected_rules_calls,
mock_os.path.islink.call_args_list)
self.assertEqual(expected_rules_calls,
mock_os.remove.call_args_list)
self.assertEqual(2 * [mock.call()], mock_udev.call_args_list)
def test_unblacklist_udev_rules_rename(self, mock_udev, mock_execute,
mock_os, mock_open):
mock_os.path.join.side_effect = self._fake_join
mock_os.listdir.return_value = ['fake.renamedrule',
'fake_err.renamedrule']
mock_os.rename.side_effect = [None, OSError]
mock_os.path.isdir.side_effect = 2 * [False]
utils.unblacklist_udev_rules('/etc/udev/rules.d', '.renamedrule')
self.assertFalse(mock_os.path.islink.called)
self.assertFalse(mock_os.remove.called)
mock_os.listdir.assert_called_once_with('/etc/udev/rules.d')
self.assertEqual([mock.call('/etc/udev/rules.d/fake.renamedrule'),
mock.call('/etc/udev/rules.d/fake_err.renamedrule')],
mock_os.path.exists.call_args_list)
self.assertEqual([mock.call('/etc/udev/rules.d/fake.renamedrule',
'/etc/udev/rules.d/fake.rules'),
mock.call('/etc/udev/rules.d/fake_err.renamedrule',
'/etc/udev/rules.d/fake_err.rules')],
mock_os.rename.call_args_list)
self.assertEqual(2 * [mock.call()], mock_udev.call_args_list)
def do_partitioning(self):
LOG.debug('--- Partitioning disks (do_partitioning) ---')
if self.driver.partition_scheme.skip_partitioning:
LOG.debug('Some of fs has keep_data flag, '
'partitioning is skiping')
self.do_clean_filesystems()
return
# If disks are not wiped out at all, it is likely they contain lvm
# and md metadata which will prevent re-creating a partition table
# with 'device is busy' error.
mu.mdclean_all()
lu.lvremove_all()
lu.vgremove_all()
lu.pvremove_all()
LOG.debug("Enabling udev's rules blacklisting")
utils.blacklist_udev_rules(udev_rules_dir=CONF.udev_rules_dir,
udev_rules_lib_dir=CONF.udev_rules_lib_dir,
udev_rename_substr=CONF.udev_rename_substr,
udev_empty_rule=CONF.udev_empty_rule)
for parted in self.driver.partition_scheme.parteds:
for prt in parted.partitions:
# We wipe out the beginning of every new partition
# right after creating it. It allows us to avoid possible
# interactive dialog if some data (metadata or file system)
# present on this new partition and it also allows udev not
# hanging trying to parse this data.
utils.execute('dd', 'if=/dev/zero', 'bs=1M',
'seek=%s' % max(prt.begin - 3, 0), 'count=5',
'of=%s' % prt.device, check_exit_code=[0])
# Also wipe out the ending of every new partition.
# Different versions of md stores metadata in different places.
# Adding exit code 1 to be accepted as for handling situation
# when 'no space left on device' occurs.
utils.execute('dd', 'if=/dev/zero', 'bs=1M',
'seek=%s' % max(prt.end - 3, 0), 'count=5',
'of=%s' % prt.device, check_exit_code=[0, 1])
for parted in self.driver.partition_scheme.parteds:
pu.make_label(parted.name, parted.label)
for prt in parted.partitions:
pu.make_partition(prt.device, prt.begin, prt.end, prt.type)
for flag in prt.flags:
pu.set_partition_flag(prt.device, prt.count, flag)
if prt.guid:
pu.set_gpt_type(prt.device, prt.count, prt.guid)
# If any partition to be created doesn't exist it's an error.
# Probably it's again 'device or resource busy' issue.
if not os.path.exists(prt.name):
raise errors.PartitionNotFoundError(
'Partition %s not found after creation' % prt.name)
LOG.debug("Disabling udev's rules blacklisting")
utils.unblacklist_udev_rules(
udev_rules_dir=CONF.udev_rules_dir,
udev_rename_substr=CONF.udev_rename_substr)
# If one creates partitions with the same boundaries as last time,
# there might be md and lvm metadata on those partitions. To prevent
# failing of creating md and lvm devices we need to make sure
# unused metadata are wiped out.
mu.mdclean_all()
lu.lvremove_all()
lu.vgremove_all()
lu.pvremove_all()
# creating meta disks
for md in self.driver.partition_scheme.mds:
mu.mdcreate(md.name, md.level, md.devices, md.metadata)
# creating physical volumes
for pv in self.driver.partition_scheme.pvs:
lu.pvcreate(pv.name, metadatasize=pv.metadatasize,
metadatacopies=pv.metadatacopies)
# creating volume groups
for vg in self.driver.partition_scheme.vgs:
lu.vgcreate(vg.name, *vg.pvnames)
# creating logical volumes
for lv in self.driver.partition_scheme.lvs:
lu.lvcreate(lv.vgname, lv.name, lv.size)
# making file systems
for fs in self.driver.partition_scheme.fss:
found_images = [img for img in self.driver.image_scheme.images
if img.target_device == fs.device]
if not found_images:
fu.make_fs(fs.type, fs.options, fs.label, fs.device)
def do_partitioning(self):
LOG.debug('--- Partitioning disks (do_partitioning) ---')
if self.driver.partition_scheme.skip_partitioning:
LOG.debug('Some of fs has keep_data flag, '
'partitioning is skiping')
self.do_clean_filesystems()
return
# If disks are not wiped out at all, it is likely they contain lvm
# and md metadata which will prevent re-creating a partition table
# with 'device is busy' error.
mu.mdclean_all(skip_containers=CONF.skip_md_containers)
lu.lvremove_all()
lu.vgremove_all()
lu.pvremove_all()
for parted in self.driver.partition_scheme.parteds:
for prt in parted.partitions:
# We wipe out the beginning of every new partition
# right after creating it. It allows us to avoid possible
# interactive dialog if some data (metadata or file system)
# present on this new partition and it also allows udev not
# hanging trying to parse this data.
utils.execute('dd', 'if=/dev/zero', 'bs=1M',
'seek=%s' % max(prt.begin - 3, 0), 'count=5',
'of=%s' % prt.device, check_exit_code=[0])
# Also wipe out the ending of every new partition.
# Different versions of md stores metadata in different places.
# Adding exit code 1 to be accepted as for handling situation
# when 'no space left on device' occurs.
utils.execute('dd', 'if=/dev/zero', 'bs=1M',
'seek=%s' % max(prt.end - 3, 0), 'count=5',
'of=%s' % prt.device, check_exit_code=[0, 1])
parteds = []
parteds_with_rules = []
for parted in self.driver.partition_scheme.parteds:
if hw.is_multipath_device(parted.name):
parteds_with_rules.append(parted)
else:
parteds.append(parted)
utils.blacklist_udev_rules(udev_rules_dir=CONF.udev_rules_dir,
udev_rules_lib_dir=CONF.udev_rules_lib_dir,
udev_rename_substr=CONF.udev_rename_substr,
udev_empty_rule=CONF.udev_empty_rule)
self._make_partitions(parteds)
utils.unblacklist_udev_rules(
udev_rules_dir=CONF.udev_rules_dir,
udev_rename_substr=CONF.udev_rename_substr)
self._make_partitions(parteds_with_rules)
# If one creates partitions with the same boundaries as last time,
# there might be md and lvm metadata on those partitions. To prevent
# failing of creating md and lvm devices we need to make sure
# unused metadata are wiped out.
mu.mdclean_all(skip_containers=CONF.skip_md_containers)
lu.lvremove_all()
lu.vgremove_all()
lu.pvremove_all()
if parteds_with_rules:
utils.refresh_multipath()
# creating meta disks
for md in self.driver.partition_scheme.mds:
mu.mdcreate(md.name, md.level, md.devices, md.metadata)
# creating physical volumes
for pv in self.driver.partition_scheme.pvs:
lu.pvcreate(pv.name, metadatasize=pv.metadatasize,
metadatacopies=pv.metadatacopies)
# creating volume groups
for vg in self.driver.partition_scheme.vgs:
lu.vgcreate(vg.name, *vg.pvnames)
# creating logical volumes
for lv in self.driver.partition_scheme.lvs:
lu.lvcreate(lv.vgname, lv.name, lv.size)
# making file systems
for fs in self.driver.partition_scheme.fss:
found_images = [img for img in self.driver.image_scheme.images
if img.target_device == fs.device]
if not found_images:
fu.make_fs(fs.type, fs.options, fs.label, fs.device)
