def test_lvcreate_lv_name_collision(self, mock_exec, mock_lvdisplay,
mock_vgdisplay):
# lv lvname already exists in another pv
mock_vgdisplay.return_value = [{
'name': 'vgname',
'free': 2000
}, {
'name': 'some',
'free': 2000
}]
mock_lvdisplay.return_value = [{'name': 'lvname', 'vg': 'some'}]
mock_exec.side_effect = [('--yes', ''), ('', '')]
expected_calls = [
mock.call('lvcreate', '--help'),
mock.call('lvcreate',
'--yes',
'-L',
'1000m',
'-n',
'lvname',
'vgname',
check_exit_code=[0])
]
lu.lvcreate('vgname', 'lvname', 1000)
self.assertEqual(mock_exec.call_args_list, expected_calls)
def test_lvcreate_ok(self, mock_exec, mock_lvdisplay, mock_vgdisplay):
mock_vgdisplay.return_value = [{
'name': 'vgname',
'free': 2000
}, {
'name': 'some'
}]
mock_lvdisplay.return_value = [{'name': 'some'}]
mock_exec.side_effect = [
# pretend lvcreate supports --yes option
('--yes', ''),
('', '')
]
expected_calls = [
mock.call('lvcreate', '--help'),
mock.call('lvcreate',
'--yes',
'-L',
'1000m',
'-n',
'lvname',
'vgname',
check_exit_code=[0])
]
lu.lvcreate('vgname', 'lvname', 1000)
self.assertEqual(mock_exec.call_args_list, expected_calls)
def test_lvcreate_lv_name_collision(self, mock_exec, mock_lvdisplay, mock_vgdisplay):
# lv lvname already exists in another pv
mock_vgdisplay.return_value = [{"name": "vgname", "free": 2000}, {"name": "some", "free": 2000}]
mock_lvdisplay.return_value = [{"name": "lvname", "vg": "some"}]
mock_exec.side_effect = [("--yes", ""), ("", "")]
expected_calls = [
mock.call("lvcreate", "--help"),
mock.call("lvcreate", "--yes", "-L", "1000m", "-n", "lvname", "vgname", check_exit_code=[0]),
]
lu.lvcreate("vgname", "lvname", 1000)
self.assertEqual(mock_exec.call_args_list, expected_calls)
def test_lvcreate_ok(self, mock_exec, mock_lvdisplay, mock_vgdisplay):
mock_vgdisplay.return_value = [{"name": "vgname", "free": 2000}, {"name": "some"}]
mock_lvdisplay.return_value = [{"name": "some"}]
mock_exec.side_effect = [
# pretend lvcreate supports --yes option
("--yes", ""),
("", ""),
]
expected_calls = [
mock.call("lvcreate", "--help"),
mock.call("lvcreate", "--yes", "-L", "1000m", "-n", "lvname", "vgname", check_exit_code=[0]),
]
lu.lvcreate("vgname", "lvname", 1000)
self.assertEqual(mock_exec.call_args_list, expected_calls)
def _do_partitioning(self):
LOG.debug('--- Partitioning disks (do_partitioning) ---')
# 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()
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(skip_containers=CONF.skip_md_containers)
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 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 hu.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)