def process(self):
"""
reformats raw disk image and its format to a new disk
geometry using the qemu tool chain
"""
self.manual = Help()
if self.command_args.get('help') is True:
return self.manual.show('kiwi::image::resize')
abs_target_dir_path = os.path.abspath(
self.command_args['--target-dir'])
if self.command_args['--root']:
image_root = os.path.abspath(
os.path.normpath(self.command_args['--root']))
else:
image_root = os.sep.join(
[abs_target_dir_path, 'build', 'image-root'])
self.load_xml_description(image_root)
disk_format = self.xml_state.build_type.get_format()
image_format = DiskFormat(disk_format or 'raw', self.xml_state,
image_root, abs_target_dir_path)
if not image_format.has_raw_disk():
raise KiwiImageResizeError(
'no raw disk image {0} found in build results'.format(
image_format.diskname))
new_disk_size = StringToSize.to_bytes(self.command_args['--size'])
# resize raw disk
log.info('Resizing raw disk to {0} bytes'.format(new_disk_size))
resize_result = image_format.resize_raw_disk(new_disk_size)
# resize raw disk partition table
firmware = FirmWare(self.xml_state)
loop_provider = LoopDevice(image_format.diskname)
loop_provider.create(overwrite=False)
partitioner = Partitioner(firmware.get_partition_table_type(),
loop_provider)
partitioner.resize_table()
del loop_provider
# resize disk format from resized raw disk
if disk_format and resize_result is True:
log.info('Creating {0} disk format from resized raw disk'.format(
disk_format))
image_format.create_image_format()
elif resize_result is False:
log.info('Raw disk is already at {0} bytes'.format(new_disk_size))
def get_max_size_constraint(self):
"""
Returns the maximum allowed size of the built image. The value is
returned in bytes and it is specified in build_constraints element
with the max_size attribute. The value can be specified in bytes or
it can be specified with m=MB or g=GB.
build_constraints:
- max_size: 700m
if no configuration exists None is returned
:return: byte value or None
:rtype: int
"""
max_size = self._get_attribute(element='build_constraints',
attribute='max_size')
return StringToSize.to_bytes(max_size) if max_size else None
def test_to_bytes(self):
assert StringToSize.to_bytes('1m') == 1048576
assert StringToSize.to_bytes('1M') == 1048576
assert StringToSize.to_bytes('1g') == 1073741824
assert StringToSize.to_bytes('1G') == 1073741824
def test_to_bytes_wrong_format(self):
StringToSize.to_bytes('1mb')
def process(self):
"""
reformats raw disk image and its format to a new disk
geometry using the qemu tool chain
"""
self.manual = Help()
if self.command_args.get('help') is True:
return self.manual.show('kiwi::image::resize')
abs_target_dir_path = os.path.abspath(
self.command_args['--target-dir']
)
if self.command_args['--root']:
image_root = os.path.abspath(
os.path.normpath(self.command_args['--root'])
)
else:
image_root = os.sep.join(
[abs_target_dir_path, 'build', 'image-root']
)
self.load_xml_description(
image_root
)
disk_format = self.xml_state.build_type.get_format()
image_format = DiskFormat(
disk_format or 'raw', self.xml_state, image_root,
abs_target_dir_path
)
if not image_format.has_raw_disk():
raise KiwiImageResizeError(
'no raw disk image {0} found in build results'.format(
image_format.diskname
)
)
new_disk_size = StringToSize.to_bytes(self.command_args['--size'])
# resize raw disk
log.info(
'Resizing raw disk to {0} bytes'.format(new_disk_size)
)
resize_result = image_format.resize_raw_disk(new_disk_size)
# resize raw disk partition table
firmware = FirmWare(self.xml_state)
loop_provider = LoopDevice(image_format.diskname)
loop_provider.create(overwrite=False)
partitioner = Partitioner(
firmware.get_partition_table_type(), loop_provider
)
partitioner.resize_table()
del loop_provider
# resize disk format from resized raw disk
if disk_format and resize_result is True:
log.info(
'Creating {0} disk format from resized raw disk'.format(
disk_format
)
)
image_format.create_image_format()
elif resize_result is False:
log.info(
'Raw disk is already at {0} bytes'.format(new_disk_size)
)
def test_to_bytes_wrong_format(self):
with raises(KiwiSizeError):
StringToSize.to_bytes('1mb')