def test_create_path(self, mock_exists, mock_makedirs):
mock_exists.side_effect = [False, True]
for _ in range(2):
pathutils.create_path(mock.sentinel.path)
self.assertEqual(2, mock_exists.call_count)
mock_makedirs.assert_called_once_with(mock.sentinel.path)
def test_create_path(self, mock_exists, mock_makedirs):
mock_exists.side_effect = [False, True]
for _ in range(2):
pathutils.create_path(mock.sentinel.path)
self.assertEqual(2, mock_exists.call_count)
mock_makedirs.assert_called_once_with(mock.sentinel.path)
def _migrate_disk_files(self, instance, disk_files, destination):
local_ips = hostutils.get_local_ips()
local_ips.append(hostutils.get_ip())
same_host = destination in local_ips
LOG.debug("Destination `%(dest)s` %(local_ips)s", {
"dest": destination,
"local_ips": local_ips
})
instance_basepath = pathutils.instance_basepath(instance)
revert_path = pathutils.revert_dir(instance,
action=constants.PATH_OVERWRITE)
if same_host:
destination_path = ("%(path)s%(suffix)s" % {
"path": instance_basepath,
"suffix": self._SUFFIX
})
else:
LOG.warning(i18n._LW("Only resize on the same host is supported!"))
raise NotImplementedError()
# Delete the destination path if already exists
pathutils.delete_path(destination_path)
# Create the destination path
pathutils.create_path(destination_path)
try:
self._migrate_disk(disk_files[0], destination_path, root_disk=True)
for disk_file in disk_files[1:]:
self._migrate_disk(disk_file, destination_path)
# Remove the instance from the Hypervisor
self._vbox_ops.destroy(instance, destroy_disks=False)
# Move files to revert path
os.rename(instance_basepath, revert_path)
if same_host:
os.rename(destination_path, instance_basepath)
except (OSError, vbox_exc.VBoxException):
with excutils.save_and_reraise_exception():
try:
self._cleanup_failed_disk_migration(
instance_basepath, revert_path, destination_path)
except vbox_exc.VBoxException as exc:
# Log and ignore this exception
LOG.exception(exc)
def _migrate_disk_files(self, instance, disk_files, destination):
local_ips = hostutils.get_local_ips()
local_ips.append(hostutils.get_ip())
same_host = destination in local_ips
LOG.debug("Destination `%(dest)s` %(local_ips)s",
{"dest": destination, "local_ips": local_ips})
instance_basepath = pathutils.instance_basepath(instance)
revert_path = pathutils.revert_dir(
instance, action=constants.PATH_OVERWRITE)
if same_host:
destination_path = (
"%(path)s%(suffix)s" %
{"path": instance_basepath, "suffix": self._SUFFIX})
else:
LOG.warning(
i18n._LW("Only resize on the same host is supported!"))
raise NotImplementedError()
# Delete the destination path if already exists
pathutils.delete_path(destination_path)
# Create the destination path
pathutils.create_path(destination_path)
try:
self._migrate_disk(disk_files[0], destination_path, root_disk=True)
for disk_file in disk_files[1:]:
self._migrate_disk(disk_file, destination_path)
# Remove the instance from the Hypervisor
self._vbox_ops.destroy(instance, destroy_disks=False)
# Move files to revert path
os.rename(instance_basepath, revert_path)
if same_host:
os.rename(destination_path, instance_basepath)
except (OSError, vbox_exc.VBoxException):
with excutils.save_and_reraise_exception():
try:
self._cleanup_failed_disk_migration(
instance_basepath, revert_path, destination_path)
except vbox_exc.VBoxException as exc:
# Log and ignore this exception
LOG.exception(exc)
