def create(self) -> Result:
"""
Builds a container image which is usually a data archive
including container specific metadata.
Image types which triggers this builder are:
* image="docker"
* image="oci"
* image="appx"
:return: result
:rtype: instance of :class:`Result`
"""
if not self.base_image:
log.info('Setting up %s container', self.requested_container_type)
container_setup = ContainerSetup.new(self.requested_container_type,
self.root_dir,
self.container_config)
container_setup.setup()
else:
checksum = Checksum(self.base_image)
if not checksum.matches(checksum.md5(), self.base_image_md5):
raise KiwiContainerBuilderError(
'base image file {0} checksum validation failed'.format(
self.base_image))
log.info('--> Creating container image')
container_image = ContainerImage.new(self.requested_container_type,
self.root_dir,
self.container_config)
self.filename = container_image.create(self.filename, self.base_image)
Result.verify_image_size(self.runtime_config.get_max_size_constraint(),
self.filename)
self.result.add(key='container',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def create(self) -> Result:
"""
Create a root archive tarball
Build a simple XZ compressed root tarball from the image root tree
Image types which triggers this builder are:
* image="tbz"
:return: result
:rtype: instance of :class:`Result`
"""
supported_archives = Defaults.get_archive_image_types()
if self.requested_archive_type not in supported_archives:
raise KiwiArchiveSetupError('Unknown archive type: %s' %
self.requested_archive_type)
if self.requested_archive_type == 'tbz':
log.info('Creating XZ compressed tar archive')
archive = ArchiveTar(self._target_file_for('tar'))
archive.create_xz_compressed(
self.root_dir,
xz_options=self.xz_options,
exclude=Defaults.get_exclude_list_for_root_data_sync() +
Defaults.get_exclude_list_from_custom_exclude_files(
self.root_dir))
Result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.filename)
if self.bundle_format:
self.result.add_bundle_format(self.bundle_format)
self.result.add(key='root_archive',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def create(self) -> Result:
"""
Build a mountable filesystem image
Image types which triggers this builder are:
* image="ext2"
* image="ext3"
* image="ext4"
* image="btrfs"
* image="xfs"
:return: result
:rtype: instance of :class:`Result`
"""
log.info('Creating %s filesystem', self.requested_filesystem)
supported_filesystems = Defaults.get_filesystem_image_types()
if self.requested_filesystem not in supported_filesystems:
raise KiwiFileSystemSetupError('Unknown filesystem: %s' %
self.requested_filesystem)
if self.requested_filesystem not in self.filesystems_no_device_node:
self._operate_on_loop()
else:
self._operate_on_file()
Result.verify_image_size(self.runtime_config.get_max_size_constraint(),
self.filename)
self.result.add(
key='filesystem_image',
filename=self.filename,
use_for_bundle=True,
compress=self.runtime_config.get_bundle_compression(default=True),
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
class TestResult(object):
def setup(self):
self.context_manager_mock = mock.MagicMock()
self.file_mock = mock.MagicMock()
self.enter_mock = mock.MagicMock()
self.exit_mock = mock.MagicMock()
self.enter_mock.return_value = self.file_mock
setattr(self.context_manager_mock, '__enter__', self.enter_mock)
setattr(self.context_manager_mock, '__exit__', self.exit_mock)
self.xml_state = mock.Mock()
self.result = Result(self.xml_state)
def test_add(self):
self.result.add('foo', 'bar')
result = self.result.get_results()
assert result['foo'].filename == 'bar'
assert result['foo'].use_for_bundle is True
assert result['foo'].compress is False
@patch('kiwi.logger.log.info')
def test_print_results_no_data(self, mock_info):
self.result.print_results()
assert mock_info.called == 0
@patch('kiwi.logger.log.info')
def test_print_results_data(self, mock_info):
self.result.add('foo', 'bar')
self.result.print_results()
assert mock_info.called
@patch('pickle.dump')
@patch_open
def test_dump(self, mock_open, mock_pickle_dump):
mock_open.return_value = self.context_manager_mock
self.result.dump('kiwi.result')
mock_open.assert_called_once_with('kiwi.result', 'wb')
mock_pickle_dump.assert_called_once_with(self.result, self.file_mock)
@patch('pickle.dump')
@patch_open
@raises(KiwiResultError)
def test_dump_failed(self, mock_open, mock_pickle_dump):
mock_pickle_dump.side_effect = Exception
self.result.dump('kiwi.result')
@patch('pickle.load')
@patch('os.path.exists')
@patch_open
def test_load(self, mock_open, mock_exists, mock_pickle_load):
mock_open.return_value = self.context_manager_mock
mock_exists.return_value = True
Result.load('kiwi.result')
mock_open.assert_called_once_with('kiwi.result', 'rb')
mock_pickle_load.assert_called_once_with(self.file_mock)
@patch('os.path.exists')
@raises(KiwiResultError)
def test_load_result_not_present(self, mock_exists):
mock_exists.return_value = False
Result.load('kiwi.result')
@patch('pickle.load')
@patch('os.path.exists')
@raises(KiwiResultError)
def test_load_failed(self, mock_exists, mock_pickle_load):
mock_exists.return_value = True
mock_pickle_load.side_effect = Exception
Result.load('kiwi.result')
@patch('os.path.getsize')
def test_build_constraint(self, mock_getsize):
mock_getsize.return_value = 524288000
self.result.verify_image_size(524288000, 'foo')
@patch('os.path.getsize')
@raises(KiwiResultError)
def test_build_constraint_failure(self, mock_getsize):
mock_getsize.return_value = 524288000
self.result.verify_image_size(524287999, 'foo')
class TestResult:
@fixture(autouse=True)
def inject_fixtures(self, caplog):
self._caplog = caplog
def setup(self):
self.xml_state = Mock()
self.result = Result(self.xml_state)
def test_add(self):
assert self.result.add('foo', 'bar') is None
result = self.result.get_results()
assert isinstance(result, dict)
assert result['foo'].filename == 'bar'
assert result['foo'].use_for_bundle is True
assert result['foo'].compress is False
def test_print_results_no_data(self):
assert self.result.print_results() is None
assert not self._caplog.text
def test_print_results_data(self):
assert self.result.add('foo', 'bar') is None
with self._caplog.at_level(logging.INFO):
self.result.print_results()
@patch('pickle.dump')
def test_dump(self, mock_pickle_dump):
m_open = mock_open()
with patch('builtins.open', m_open, create=True):
assert self.result.dump('kiwi.result') is None
m_open.assert_called_once_with('kiwi.result', 'wb')
mock_pickle_dump.assert_called_once_with(self.result,
m_open.return_value)
@patch('pickle.dump')
def test_dump_failed(self, mock_pickle_dump):
mock_pickle_dump.side_effect = Exception
with patch('builtins.open'):
with raises(KiwiResultError):
self.result.dump('kiwi.result')
@patch('pickle.load')
@patch('os.path.exists')
def test_load(self, mock_exists, mock_pickle_load):
mock_exists.return_value = True
m_open = mock_open()
mock_pickle_load.return_value = Result
with patch('builtins.open', m_open, create=True):
assert Result.load('kiwi.result') is Result
m_open.assert_called_once_with('kiwi.result', 'rb')
mock_pickle_load.assert_called_once_with(m_open.return_value)
@patch('os.path.exists')
def test_load_result_not_present(self, mock_exists):
mock_exists.return_value = False
with raises(KiwiResultError):
Result.load('kiwi.result')
@patch('pickle.load')
@patch('os.path.exists')
def test_load_failed(self, mock_exists, mock_pickle_load):
mock_exists.return_value = True
mock_pickle_load.side_effect = Exception
with raises(KiwiResultError):
Result.load('kiwi.result')
@patch('os.path.getsize')
def test_build_constraint(self, mock_getsize):
mock_getsize.return_value = 524288000
assert self.result.verify_image_size(524288000, 'foo') is None
@patch('os.path.getsize')
def test_build_constraint_failure(self, mock_getsize):
mock_getsize.return_value = 524288000
with raises(KiwiResultError):
self.result.verify_image_size(524287999, 'foo')
class FileSystemBuilder:
"""
**Filesystem image builder**
:param obsject xml_state: Instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* None
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.label = None
self.root_uuid = None
self.root_dir = root_dir
self.target_dir = target_dir
self.requested_image_type = xml_state.get_build_type_name()
if self.requested_image_type in Defaults.get_kis_image_types():
self.requested_filesystem = xml_state.build_type.get_filesystem()
else:
self.requested_filesystem = self.requested_image_type
if not self.requested_filesystem:
raise KiwiFileSystemSetupError(
'No filesystem configured in %s type' %
self.requested_image_type
)
self.filesystem_custom_parameters = {
'mount_options': xml_state.get_fs_mount_option_list(),
'create_options': xml_state.get_fs_create_option_list()
}
if self.requested_filesystem == 'squashfs':
self.filesystem_custom_parameters['compression'] = \
xml_state.build_type.get_squashfscompression()
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.filename = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + Defaults.get_platform_name(),
'-' + xml_state.get_image_version(),
'.', self.requested_filesystem
]
)
self.blocksize = xml_state.build_type.get_target_blocksize()
self.filesystem_setup = FileSystemSetup(xml_state, root_dir)
self.filesystems_no_device_node = [
'squashfs'
]
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a mountable filesystem image
Image types which triggers this builder are:
* image="ext2"
* image="ext3"
* image="ext4"
* image="btrfs"
* image="xfs"
:return: result
:rtype: instance of :class:`Result`
"""
log.info(
'Creating %s filesystem', self.requested_filesystem
)
supported_filesystems = Defaults.get_filesystem_image_types()
if self.requested_filesystem not in supported_filesystems:
raise KiwiFileSystemSetupError(
'Unknown filesystem: %s' % self.requested_filesystem
)
if self.requested_filesystem not in self.filesystems_no_device_node:
self._operate_on_loop()
else:
self._operate_on_file()
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.filename
)
self.result.add(
key='filesystem_image',
filename=self.filename,
use_for_bundle=True,
compress=self.runtime_config.get_bundle_compression(
default=True
),
shasum=True
)
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
def _operate_on_loop(self):
filesystem = None
loop_provider = LoopDevice(
self.filename,
self.filesystem_setup.get_size_mbytes(),
self.blocksize
)
loop_provider.create()
filesystem = FileSystem.new(
self.requested_filesystem, loop_provider,
self.root_dir + os.sep, self.filesystem_custom_parameters
)
filesystem.create_on_device(self.label)
self.root_uuid = loop_provider.get_uuid(loop_provider.get_device())
log.info(
'--> Syncing data to filesystem on %s', loop_provider.get_device()
)
filesystem.sync_data(
Defaults.get_exclude_list_for_root_data_sync()
)
def _operate_on_file(self):
default_provider = DeviceProvider()
filesystem = FileSystem.new(
self.requested_filesystem, default_provider,
self.root_dir, self.filesystem_custom_parameters
)
filesystem.create_on_file(
self.filename, self.label,
Defaults.get_exclude_list_for_root_data_sync()
)
class TestResult:
def setup(self):
self.xml_state = Mock()
self.result = Result(self.xml_state)
def test_add(self):
self.result.add('foo', 'bar')
result = self.result.get_results()
assert result['foo'].filename == 'bar'
assert result['foo'].use_for_bundle is True
assert result['foo'].compress is False
@patch('kiwi.logger.log.info')
def test_print_results_no_data(self, mock_info):
self.result.print_results()
assert mock_info.called == 0
@patch('kiwi.logger.log.info')
def test_print_results_data(self, mock_info):
self.result.add('foo', 'bar')
self.result.print_results()
assert mock_info.called
@patch('pickle.dump')
def test_dump(self, mock_pickle_dump):
m_open = mock_open()
with patch('builtins.open', m_open, create=True):
self.result.dump('kiwi.result')
m_open.assert_called_once_with(
'kiwi.result', 'wb'
)
mock_pickle_dump.assert_called_once_with(
self.result, m_open.return_value
)
@patch('pickle.dump')
def test_dump_failed(self, mock_pickle_dump):
mock_pickle_dump.side_effect = Exception
with patch('builtins.open'):
with raises(KiwiResultError):
self.result.dump('kiwi.result')
@patch('pickle.load')
@patch('os.path.exists')
def test_load(self, mock_exists, mock_pickle_load):
mock_exists.return_value = True
m_open = mock_open()
with patch('builtins.open', m_open, create=True):
Result.load('kiwi.result')
m_open.assert_called_once_with(
'kiwi.result', 'rb'
)
mock_pickle_load.assert_called_once_with(
m_open.return_value
)
@patch('os.path.exists')
def test_load_result_not_present(self, mock_exists):
mock_exists.return_value = False
with raises(KiwiResultError):
Result.load('kiwi.result')
@patch('pickle.load')
@patch('os.path.exists')
def test_load_failed(self, mock_exists, mock_pickle_load):
mock_exists.return_value = True
mock_pickle_load.side_effect = Exception
with raises(KiwiResultError):
Result.load('kiwi.result')
@patch('os.path.getsize')
def test_build_constraint(self, mock_getsize):
mock_getsize.return_value = 524288000
self.result.verify_image_size(524288000, 'foo')
@patch('os.path.getsize')
def test_build_constraint_failure(self, mock_getsize):
mock_getsize.return_value = 524288000
with raises(KiwiResultError):
self.result.verify_image_size(524287999, 'foo')
class LiveImageBuilder(object):
"""
Live image builder
Attributes
* :attr:`xml_state`
Instance of XMLState
* :attr:`target_dir`
target directory path name
* :attr:`root_dir`
root directory path name
* :attr:`custom_args`
Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.media_dir = None
self.live_container_dir = None
self.arch = platform.machine()
if self.arch == 'i686' or self.arch == 'i586':
self.arch = 'ix86'
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.live_type = xml_state.build_type.get_flags()
self.hybrid = xml_state.build_type.get_hybrid()
self.volume_id = xml_state.build_type.get_volid() or \
Defaults.get_volume_id()
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
self.filesystem_custom_parameters = {
'mount_options': xml_state.get_fs_mount_option_list()
}
if not self.live_type:
self.live_type = Defaults.get_default_live_iso_type()
self.boot_image = BootImageDracut(
xml_state, target_dir, self.root_dir
)
self.firmware = FirmWare(
xml_state
)
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.isoname = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + platform.machine(),
'-' + xml_state.get_image_version(),
'.iso'
]
)
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a bootable hybrid live ISO image
Image types which triggers this builder are:
* image="iso"
"""
# media dir to store CD contents
self.media_dir = mkdtemp(
prefix='live-media.', dir=self.target_dir
)
rootsize = SystemSize(self.media_dir)
# custom iso metadata
log.info('Using following live ISO metadata:')
log.info('--> Application id: {0}'.format(self.mbrid.get_id()))
log.info('--> Publisher: {0}'.format(Defaults.get_publisher()))
log.info('--> Volume id: {0}'.format(self.volume_id))
custom_iso_args = {
'create_options': [
'-A', self.mbrid.get_id(),
'-p', Defaults.get_preparer(),
'-publisher', Defaults.get_publisher(),
'-V', self.volume_id
]
}
# pack system into live boot structure as expected by dracut
log.info(
'Packing system into dracut live ISO type: {0}'.format(
self.live_type
)
)
root_filesystem = Defaults.get_default_live_iso_root_filesystem()
filesystem_custom_parameters = {
'mount_options': self.xml_state.get_fs_mount_option_list()
}
filesystem_setup = FileSystemSetup(
self.xml_state, self.root_dir
)
root_image = NamedTemporaryFile()
loop_provider = LoopDevice(
root_image.name,
filesystem_setup.get_size_mbytes(root_filesystem),
self.xml_state.build_type.get_target_blocksize()
)
loop_provider.create()
live_filesystem = FileSystem(
name=root_filesystem,
device_provider=loop_provider,
root_dir=self.root_dir + os.sep,
custom_args=filesystem_custom_parameters
)
live_filesystem.create_on_device()
log.info(
'--> Syncing data to {0} root image'.format(root_filesystem)
)
live_filesystem.sync_data(
Defaults.get_exclude_list_for_root_data_sync()
)
log.info('--> Creating squashfs container for root image')
self.live_container_dir = mkdtemp(
prefix='live-container.', dir=self.target_dir
)
Path.create(self.live_container_dir + '/LiveOS')
shutil.copy(
root_image.name, self.live_container_dir + '/LiveOS/rootfs.img'
)
live_container_image = FileSystem(
name='squashfs',
device_provider=None,
root_dir=self.live_container_dir
)
container_image = NamedTemporaryFile()
live_container_image.create_on_file(
container_image.name
)
Path.create(self.media_dir + '/LiveOS')
shutil.copy(
container_image.name, self.media_dir + '/LiveOS/squashfs.img'
)
# setup bootloader config to boot the ISO via isolinux
log.info('Setting up isolinux bootloader configuration')
bootloader_config_isolinux = BootLoaderConfig(
'isolinux', self.xml_state, self.media_dir
)
bootloader_config_isolinux.setup_live_boot_images(
mbrid=None,
lookup_path=self.boot_image.boot_root_directory
)
bootloader_config_isolinux.setup_live_image_config(
mbrid=None
)
bootloader_config_isolinux.write()
# setup bootloader config to boot the ISO via EFI
if self.firmware.efi_mode():
log.info('Setting up EFI grub bootloader configuration')
bootloader_config_grub = BootLoaderConfig(
'grub2', self.xml_state, self.media_dir, {
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir)
}
)
bootloader_config_grub.setup_live_boot_images(
mbrid=self.mbrid, lookup_path=self.root_dir
)
bootloader_config_grub.setup_live_image_config(
mbrid=self.mbrid
)
bootloader_config_grub.write()
# call custom editbootconfig script if present
self.system_setup.call_edit_boot_config_script(
filesystem='iso:{0}'.format(self.media_dir), boot_part_id=1,
working_directory=self.root_dir
)
# create dracut initrd for live image
log.info('Creating live ISO boot image')
self._create_dracut_live_iso_config()
self.boot_image.create_initrd(self.mbrid)
# setup kernel file(s) and initrd in ISO boot layout
log.info('Setting up kernel file(s) and boot image in ISO boot layout')
self._setup_live_iso_kernel_and_initrd()
# calculate size and decide if we need UDF
if rootsize.accumulate_mbyte_file_sizes() > 4096:
log.info('ISO exceeds 4G size, using UDF filesystem')
custom_iso_args['create_options'].append('-iso-level')
custom_iso_args['create_options'].append('3')
custom_iso_args['create_options'].append('-udf')
# create iso filesystem from media_dir
log.info('Creating live ISO image')
iso_image = FileSystemIsoFs(
device_provider=None,
root_dir=self.media_dir,
custom_args=custom_iso_args
)
iso_header_offset = iso_image.create_on_file(self.isoname)
# make it hybrid
if self.hybrid:
Iso.create_hybrid(
iso_header_offset, self.mbrid, self.isoname,
self.firmware.efi_mode()
)
# include metadata for checkmedia tool
if self.xml_state.build_type.get_mediacheck() is True:
Iso.set_media_tag(self.isoname)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.isoname
)
self.result.add(
key='live_image',
filename=self.isoname,
use_for_bundle=True,
compress=False,
shasum=True
)
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
def _create_dracut_live_iso_config(self):
live_config_file = self.root_dir + '/etc/dracut.conf.d/02-livecd.conf'
omit_modules = [
'kiwi-dump', 'kiwi-overlay', 'kiwi-repart', 'kiwi-lib'
]
live_config = [
'add_dracutmodules+=" {0} pollcdrom "'.format(
Defaults.get_live_dracut_module_from_flag(self.live_type)
),
'omit_dracutmodules+=" {0} "'.format(' '.join(omit_modules)),
'hostonly="no"',
'dracut_rescue_image="no"'
]
with open(live_config_file, 'w') as config:
for entry in live_config:
config.write(entry + os.linesep)
def _setup_live_iso_kernel_and_initrd(self):
"""
Copy kernel and initrd from the root tree into the iso boot structure
"""
boot_path = ''.join(
[self.media_dir, '/boot/', self.arch, '/loader']
)
Path.create(boot_path)
# Move kernel files to iso filesystem structure
kernel = Kernel(self.boot_image.boot_root_directory)
if kernel.get_kernel():
kernel.copy_kernel(boot_path, '/linux')
else:
raise KiwiLiveBootImageError(
'No kernel in boot image tree {0} found'.format(
self.boot_image.boot_root_directory
)
)
if self.xml_state.is_xen_server():
if kernel.get_xen_hypervisor():
kernel.copy_xen_hypervisor(boot_path, '/xen.gz')
else:
raise KiwiLiveBootImageError(
'No hypervisor in boot image tree {0} found'.format(
self.boot_image.boot_root_directory
)
)
# Move initrd to iso filesystem structure
if os.path.exists(self.boot_image.initrd_filename):
shutil.move(
self.boot_image.initrd_filename, boot_path + '/initrd'
)
else:
raise KiwiLiveBootImageError(
'No boot image {0} in boot image tree {1} found'.format(
self.boot_image.initrd_filename,
self.boot_image.boot_root_directory
)
)
def __del__(self):
if self.media_dir or self.live_container_dir:
log.info(
'Cleaning up {0} instance'.format(type(self).__name__)
)
if self.media_dir:
Path.wipe(self.media_dir)
if self.live_container_dir:
Path.wipe(self.live_container_dir)
class KisBuilder:
"""
**Filesystem based image builder.**
:param object xml_state: instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: system image root directory
:param dict custom_args: Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.target_dir = target_dir
self.compressed = xml_state.build_type.get_compressed()
self.xen_server = xml_state.is_xen_server()
self.custom_cmdline = xml_state.build_type.get_kernelcmdline()
self.filesystem = xml_state.build_type.get_filesystem()
if self.filesystem:
self.filesystem = FileSystemBuilder(xml_state, target_dir,
root_dir + '/')
self.system_setup = SystemSetup(xml_state=xml_state, root_dir=root_dir)
self.initrd_system = xml_state.get_initrd_system()
self.boot_signing_keys = custom_args['signing_keys'] if custom_args \
and 'signing_keys' in custom_args else None
self.xz_options = custom_args['xz_options'] if custom_args \
and 'xz_options' in custom_args else None
self.boot_image_task = BootImage.new(
xml_state,
target_dir,
root_dir,
signing_keys=self.boot_signing_keys)
self.image_name = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + Defaults.get_platform_name(),
'-' + xml_state.get_image_version()
])
self.image = None
self.append_file = ''.join([self.image_name, '.append'])
self.archive_name = ''.join([self.image_name, '.tar'])
self.checksum_name = ''.join([self.image_name, '.md5'])
self.kernel_filename = None
self.hypervisor_filename = None
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a component image consisting out of a boot image(initrd)
plus its appropriate kernel files and the root filesystem
image with a checksum.
Image types which triggers this builder are:
* image="kis"
* image="pxe"
:raises KiwiKisBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
if self.filesystem:
log.info('Creating root filesystem image')
self.filesystem.create()
os.rename(self.filesystem.filename, self.image_name)
self.image = self.image_name
if self.compressed:
log.info('xz compressing root filesystem image')
compress = Compress(self.image)
compress.xz(self.xz_options)
self.image = compress.compressed_filename
log.info('Creating root filesystem MD5 checksum')
checksum = Checksum(self.image)
checksum.md5(self.checksum_name)
# prepare boot(initrd) root system
log.info('Creating boot image')
self.boot_image_task.prepare()
# export modprobe configuration to boot image
self.system_setup.export_modprobe_setup(
self.boot_image_task.boot_root_directory)
# extract kernel from boot(initrd) root system
kernel = Kernel(self.boot_image_task.boot_root_directory)
kernel_data = kernel.get_kernel()
if kernel_data:
self.kernel_filename = ''.join([
os.path.basename(self.image_name), '-', kernel_data.version,
'.kernel'
])
kernel.copy_kernel(self.target_dir, self.kernel_filename)
else:
raise KiwiKisBootImageError(
'No kernel in boot image tree %s found' %
self.boot_image_task.boot_root_directory)
# extract hypervisor from boot(initrd) root system
if self.xen_server:
kernel_data = kernel.get_xen_hypervisor()
if kernel_data:
self.hypervisor_filename = ''.join(
[os.path.basename(self.image_name), '-', kernel_data.name])
kernel.copy_xen_hypervisor(self.target_dir,
self.hypervisor_filename)
self.result.add(key='xen_hypervisor',
filename=self.target_dir + '/' +
self.hypervisor_filename,
use_for_bundle=True,
compress=False,
shasum=True)
else:
raise KiwiKisBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image_task.boot_root_directory)
# create initrd
self.boot_image_task.create_initrd()
# create append information
# this information helps to configure the deployment infrastructure
if self.filesystem and self.filesystem.root_uuid \
and self.initrd_system == 'dracut':
cmdline = 'root=UUID={}'.format(self.filesystem.root_uuid)
if self.custom_cmdline:
cmdline += ' {}'.format(self.custom_cmdline)
with open(self.append_file, 'w') as append:
append.write(cmdline)
# put results into a tarball
if not self.xz_options:
self.xz_options = Defaults.get_xz_compression_options()
kis_tarball_files = [
self.kernel_filename,
os.path.basename(self.boot_image_task.initrd_filename),
os.path.basename(self.checksum_name),
]
if self.image:
kis_tarball_files.append(os.path.basename(self.image))
if self.filesystem and self.filesystem.root_uuid \
and self.initrd_system == 'dracut':
kis_tarball_files.append(os.path.basename(self.append_file))
kis_tarball = ArchiveTar(self.archive_name,
create_from_file_list=True,
file_list=kis_tarball_files)
if self.compressed:
self.archive_name = kis_tarball.create(self.target_dir)
else:
self.archive_name = kis_tarball.create_xz_compressed(
self.target_dir, xz_options=self.xz_options)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.archive_name)
# store results
self.result.add(
key='kis_archive',
filename=self.archive_name,
use_for_bundle=True,
compress=self.runtime_config.get_bundle_compression(default=False),
shasum=True)
# create image root metadata
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
class PxeBuilder(object):
"""
**Filesystem based PXE image builder.**
:param object xml_state: instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: system image root directory
:param dict custom_args: Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.target_dir = target_dir
self.compressed = xml_state.build_type.get_compressed()
self.xen_server = xml_state.is_xen_server()
self.filesystem = FileSystemBuilder(xml_state, target_dir,
root_dir + '/')
self.system_setup = SystemSetup(xml_state=xml_state, root_dir=root_dir)
self.boot_signing_keys = custom_args['signing_keys'] if custom_args \
and 'signing_keys' in custom_args else None
self.xz_options = custom_args['xz_options'] if custom_args \
and 'xz_options' in custom_args else None
self.boot_image_task = BootImage(xml_state,
target_dir,
signing_keys=self.boot_signing_keys)
self.image_name = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + platform.machine(),
'-' + xml_state.get_image_version()
])
self.archive_name = ''.join([self.image_name, '.tar.xz'])
self.checksum_name = ''.join([self.image_name, '.md5'])
self.kernel_filename = None
self.hypervisor_filename = None
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a pxe image set consisting out of a boot image(initrd)
plus its appropriate kernel files and the root filesystem
image with a checksum. The result can be used within the kiwi
PXE boot infrastructure
Image types which triggers this builder are:
* image="pxe"
:raises KiwiPxeBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
log.info('Creating PXE root filesystem image')
self.filesystem.create()
os.rename(self.filesystem.filename, self.image_name)
self.image = self.image_name
if self.compressed:
log.info('xz compressing root filesystem image')
compress = Compress(self.image)
compress.xz(self.xz_options)
self.image = compress.compressed_filename
log.info('Creating PXE root filesystem MD5 checksum')
checksum = Checksum(self.image)
checksum.md5(self.checksum_name)
# prepare boot(initrd) root system
log.info('Creating PXE boot image')
self.boot_image_task.prepare()
# export modprobe configuration to boot image
self.system_setup.export_modprobe_setup(
self.boot_image_task.boot_root_directory)
# extract kernel from boot(initrd) root system
kernel = Kernel(self.boot_image_task.boot_root_directory)
kernel_data = kernel.get_kernel()
if kernel_data:
self.kernel_filename = ''.join([
os.path.basename(self.image_name), '-', kernel_data.version,
'.kernel'
])
kernel.copy_kernel(self.target_dir, self.kernel_filename)
else:
raise KiwiPxeBootImageError(
'No kernel in boot image tree %s found' %
self.boot_image_task.boot_root_directory)
# extract hypervisor from boot(initrd) root system
if self.xen_server:
kernel_data = kernel.get_xen_hypervisor()
if kernel_data:
self.hypervisor_filename = ''.join(
[os.path.basename(self.image_name), '-', kernel_data.name])
kernel.copy_xen_hypervisor(self.target_dir,
self.hypervisor_filename)
self.result.add(key='xen_hypervisor',
filename=self.target_dir + '/' +
self.hypervisor_filename,
use_for_bundle=True,
compress=False,
shasum=True)
else:
raise KiwiPxeBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image_task.boot_root_directory)
# create initrd for pxe boot
self.boot_image_task.create_initrd()
# put results into a tarball
if not self.xz_options:
self.xz_options = Defaults.get_xz_compression_options()
bash_command = ['tar', '-C', self.target_dir, '-c', '--to-stdout'] + [
self.kernel_filename,
os.path.basename(self.boot_image_task.initrd_filename),
os.path.basename(self.image),
os.path.basename(self.checksum_name)
] + ['|', 'xz', '-f'] + self.xz_options + ['>', self.archive_name]
Command.run(['bash', '-c', ' '.join(bash_command)])
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.archive_name)
# store results
self.result.add(
key='pxe_archive',
filename=self.archive_name,
use_for_bundle=True,
compress=self.runtime_config.get_bundle_compression(default=False),
shasum=True)
# create image root metadata
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
class FileSystemBuilder(object):
"""
Filesystem image builder
Attributes
* :attr:`label`
filesystem label
* :attr:`root_dir`
root directory path name
* :attr:`target_dir`
target directory path name
* :attr:`requested_image_type`
Configured image type
* :attr:`requested_filesystem`
Requested filesystem name
* :attr:`system_setup`
Instance of SystemSetup
* :attr:`filename`
File name of the filesystem image
* :attr:`blocksize`
Configured disk blocksize
* :attr:`filesystem_setup`
Instance of FileSystemSetup
* :attr:`filesystems_no_device_node`
List of filesystems which are created from a data tree
and do not require a block device e.g loop
* :attr:`filesystem_custom_parameters`
Configured custom filesystem mount and creation arguments
* :attr:`result`
Instance of Result
"""
def __init__(self, xml_state, target_dir, root_dir):
self.label = None
self.root_dir = root_dir
self.target_dir = target_dir
self.requested_image_type = xml_state.get_build_type_name()
if self.requested_image_type == 'pxe':
self.requested_filesystem = xml_state.build_type.get_filesystem()
else:
self.requested_filesystem = self.requested_image_type
if not self.requested_filesystem:
raise KiwiFileSystemSetupError(
'No filesystem configured in %s type' %
self.requested_image_type)
self.filesystem_custom_parameters = {
'mount_options': xml_state.get_fs_mount_option_list()
}
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.filename = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + platform.machine(),
'-' + xml_state.get_image_version(), '.', self.requested_filesystem
])
self.blocksize = xml_state.build_type.get_target_blocksize()
self.filesystem_setup = FileSystemSetup(xml_state, root_dir)
self.filesystems_no_device_node = ['squashfs']
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a mountable filesystem image
Image types which triggers this builder are:
* image="ext2"
* image="ext3"
* image="ext4"
* image="btrfs"
* image="xfs"
"""
log.info('Creating %s filesystem', self.requested_filesystem)
supported_filesystems = Defaults.get_filesystem_image_types()
if self.requested_filesystem not in supported_filesystems:
raise KiwiFileSystemSetupError('Unknown filesystem: %s' %
self.requested_filesystem)
if self.requested_filesystem not in self.filesystems_no_device_node:
self._operate_on_loop()
else:
self._operate_on_file()
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.filename)
self.result.add(key='filesystem_image',
filename=self.filename,
use_for_bundle=True,
compress=True,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def _operate_on_loop(self):
filesystem = None
loop_provider = LoopDevice(self.filename,
self.filesystem_setup.get_size_mbytes(),
self.blocksize)
loop_provider.create()
filesystem = FileSystem(self.requested_filesystem, loop_provider,
self.root_dir,
self.filesystem_custom_parameters)
filesystem.create_on_device(self.label)
log.info('--> Syncing data to filesystem on %s',
loop_provider.get_device())
exclude_list = [
'image', '.profile', '.kconfig',
Defaults.get_shared_cache_location()
]
filesystem.sync_data(exclude_list)
def _operate_on_file(self):
default_provider = DeviceProvider()
filesystem = FileSystem(self.requested_filesystem, default_provider,
self.root_dir,
self.filesystem_custom_parameters)
filesystem.create_on_file(self.filename, self.label)
def create(self) -> Result:
"""
Build a bootable hybrid live ISO image
Image types which triggers this builder are:
* image="iso"
:raises KiwiLiveBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
# media dir to store CD contents
self.media_dir = mkdtemp(prefix='live-media.', dir=self.target_dir)
# unpack cdroot user files to media dir
self.system_setup.import_cdroot_files(self.media_dir)
rootsize = SystemSize(self.media_dir)
# custom iso metadata
log.info('Using following live ISO metadata:')
log.info('--> Application id: {0}'.format(self.mbrid.get_id()))
log.info('--> Publisher: {0}'.format(Defaults.get_publisher()))
log.info('--> Volume id: {0}'.format(self.volume_id))
custom_iso_args = {
'meta_data': {
'publisher': self.publisher,
'preparer': Defaults.get_preparer(),
'volume_id': self.volume_id,
'mbr_id': self.mbrid.get_id(),
'efi_mode': self.firmware.efi_mode()
}
}
log.info('Setting up live image bootloader configuration')
if self.firmware.efi_mode():
# setup bootloader config to boot the ISO via EFI
# This also embedds an MBR and the respective BIOS modules
# for compat boot. The complete bootloader setup will be
# based on grub
bootloader_config = BootLoaderConfig.new(
'grub2',
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.media_dir,
custom_args={
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir)
})
bootloader_config.setup_live_boot_images(mbrid=self.mbrid,
lookup_path=self.root_dir)
else:
# setup bootloader config to boot the ISO via isolinux.
# This allows for booting on x86 platforms in BIOS mode
# only.
bootloader_config = BootLoaderConfig.new('isolinux',
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.media_dir)
IsoToolsBase.setup_media_loader_directory(
self.boot_image.boot_root_directory, self.media_dir,
bootloader_config.get_boot_theme())
bootloader_config.write_meta_data()
bootloader_config.setup_live_image_config(mbrid=self.mbrid)
bootloader_config.write()
# call custom editbootconfig script if present
self.system_setup.call_edit_boot_config_script(
filesystem='iso:{0}'.format(self.media_dir),
boot_part_id=1,
working_directory=self.root_dir)
# prepare dracut initrd call
self.boot_image.prepare()
# create dracut initrd for live image
log.info('Creating live ISO boot image')
live_dracut_modules = Defaults.get_live_dracut_modules_from_flag(
self.live_type)
live_dracut_modules.append('pollcdrom')
for dracut_module in live_dracut_modules:
self.boot_image.include_module(dracut_module)
self.boot_image.omit_module('multipath')
self.boot_image.write_system_config_file(
config={
'modules': live_dracut_modules,
'omit_modules': ['multipath']
},
config_file=self.root_dir + '/etc/dracut.conf.d/02-livecd.conf')
self.boot_image.create_initrd(self.mbrid)
# setup kernel file(s) and initrd in ISO boot layout
log.info('Setting up kernel file(s) and boot image in ISO boot layout')
self._setup_live_iso_kernel_and_initrd()
# calculate size and decide if we need UDF
if rootsize.accumulate_mbyte_file_sizes() > 4096:
log.info('ISO exceeds 4G size, using UDF filesystem')
custom_iso_args['meta_data']['udf'] = True
# pack system into live boot structure as expected by dracut
log.info('Packing system into dracut live ISO type: {0}'.format(
self.live_type))
root_filesystem = Defaults.get_default_live_iso_root_filesystem()
filesystem_custom_parameters = {
'mount_options': self.xml_state.get_fs_mount_option_list(),
'create_options': self.xml_state.get_fs_create_option_list()
}
filesystem_setup = FileSystemSetup(self.xml_state, self.root_dir)
root_image = NamedTemporaryFile()
loop_provider = LoopDevice(
root_image.name, filesystem_setup.get_size_mbytes(root_filesystem),
self.xml_state.build_type.get_target_blocksize())
loop_provider.create()
live_filesystem = FileSystem.new(
name=root_filesystem,
device_provider=loop_provider,
root_dir=self.root_dir + os.sep,
custom_args=filesystem_custom_parameters)
live_filesystem.create_on_device()
log.info('--> Syncing data to {0} root image'.format(root_filesystem))
live_filesystem.sync_data(
Defaults.get_exclude_list_for_root_data_sync() +
Defaults.get_exclude_list_from_custom_exclude_files(self.root_dir))
live_filesystem.umount()
log.info('--> Creating squashfs container for root image')
self.live_container_dir = mkdtemp(prefix='live-container.',
dir=self.target_dir)
Path.create(self.live_container_dir + '/LiveOS')
shutil.copy(root_image.name,
self.live_container_dir + '/LiveOS/rootfs.img')
live_container_image = FileSystem.new(
name='squashfs',
device_provider=DeviceProvider(),
root_dir=self.live_container_dir,
custom_args={
'compression':
self.xml_state.build_type.get_squashfscompression()
})
container_image = NamedTemporaryFile()
live_container_image.create_on_file(container_image.name)
Path.create(self.media_dir + '/LiveOS')
shutil.copy(container_image.name,
self.media_dir + '/LiveOS/squashfs.img')
# create iso filesystem from media_dir
log.info('Creating live ISO image')
iso_image = FileSystemIsoFs(device_provider=DeviceProvider(),
root_dir=self.media_dir,
custom_args=custom_iso_args)
iso_image.create_on_file(self.isoname)
# include metadata for checkmedia tool
if self.xml_state.build_type.get_mediacheck() is True:
Iso.set_media_tag(self.isoname)
Result.verify_image_size(self.runtime_config.get_max_size_constraint(),
self.isoname)
self.result.add(key='live_image',
filename=self.isoname,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def create_disk(self) -> Result:
"""
Build a bootable raw disk image
:raises KiwiInstallMediaError:
if install media is required and image type is not oem
:raises KiwiVolumeManagerSetupError:
root overlay at the same time volumes are defined is not supported
:return: result
:rtype: instance of :class:`Result`
"""
# an instance of a class with the sync_data capability
# representing the entire image system except for the boot/ area
# which could live on another part of the disk
system: Any = None
# an instance of a class with the sync_data capability
# representing the boot/ area of the disk if not part of
# self.system
system_boot: Optional[FileSystemBase] = None
# an instance of a class with the sync_data capability
# representing the boot/efi area of the disk
system_efi: Optional[FileSystemBase] = None
# an instance of a class with the sync_data capability
# representing the spare_part_mountpoint area of the disk
system_spare: Optional[FileSystemBase] = None
# a list of instances with the sync_data capability
# representing the custom partitions area of the disk
system_custom_parts: List[FileSystemBase] = []
if self.install_media and self.build_type_name != 'oem':
raise KiwiInstallMediaError(
'Install media requires oem type setup, got {0}'.format(
self.build_type_name))
if self.root_filesystem_is_overlay and self.volume_manager_name:
raise KiwiVolumeManagerSetupError(
'Volume management together with root overlay is not supported'
)
# setup recovery archive, cleanup and create archive if requested
self.system_setup.create_recovery_archive()
# prepare initrd
if self.boot_image.has_initrd_support():
log.info('Preparing boot system')
self.boot_image.prepare()
# precalculate needed disk size
disksize_mbytes = self.disk_setup.get_disksize_mbytes()
# create the disk
log.info('Creating raw disk image %s', self.diskname)
loop_provider = LoopDevice(self.diskname, disksize_mbytes,
self.blocksize)
loop_provider.create()
disk = Disk(self.firmware.get_partition_table_type(), loop_provider,
self.xml_state.get_disk_start_sector())
# create the bootloader instance
if self.bootloader != 'custom':
self.bootloader_config = BootLoaderConfig.new(
self.bootloader,
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.root_dir,
custom_args={
'targetbase':
loop_provider.get_device(),
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir),
'crypto_disk':
True if self.luks is not None else False,
'boot_is_crypto':
self.boot_is_crypto
})
# create disk partitions and instance device map
device_map = self._build_and_map_disk_partitions(disk, disksize_mbytes)
# create raid on current root device if requested
raid_root = None
if self.mdraid:
raid_root = RaidDevice(device_map['root'])
raid_root.create_degraded_raid(raid_level=self.mdraid)
device_map['root'] = raid_root.get_device()
disk.public_partition_id_map['kiwi_RaidPart'] = \
disk.public_partition_id_map['kiwi_RootPart']
disk.public_partition_id_map['kiwi_RaidDev'] = \
device_map['root'].get_device()
# create luks on current root device if requested
luks_root = None
if self.luks is not None:
luks_root = LuksDevice(device_map['root'])
self.luks_boot_keyname = '/.root.keyfile'
self.luks_boot_keyfile = ''.join(
[self.root_dir, self.luks_boot_keyname])
# use LUKS key file for the following conditions:
# 1. /boot is encrypted
# In this case grub needs to read from LUKS via the
# cryptodisk module which at the moment always asks
# for the passphrase even when empty. The keyfile
# setup makes sure only one interaction on the grub
# stage is needed
# 2. LUKS passphrase is configured as empty string
# In this case the keyfile allows to open the
# LUKS pool without asking
#
luks_need_keyfile = \
True if self.boot_is_crypto or self.luks == '' else False
luks_root.create_crypto_luks(
passphrase=self.luks,
os=self.luks_os,
keyfile=self.luks_boot_keyfile if luks_need_keyfile else '')
if luks_need_keyfile:
self.luks_boot_keyfile_setup = ''.join(
[self.root_dir, '/etc/dracut.conf.d/99-luks-boot.conf'])
self.boot_image.write_system_config_file(
config={'install_items': [self.luks_boot_keyname]},
config_file=self.luks_boot_keyfile_setup)
self.boot_image.include_file(
os.sep + os.path.basename(self.luks_boot_keyfile))
device_map['luks_root'] = device_map['root']
device_map['root'] = luks_root.get_device()
# create spare filesystem on spare partition if present
system_spare = self._build_spare_filesystem(device_map)
system_custom_parts = self._build_custom_parts_filesystem(
device_map, self.custom_partitions)
# create filesystems on boot partition(s) if any
system_boot, system_efi = self._build_boot_filesystems(device_map)
# create volumes and filesystems for root system
if self.volume_manager_name:
volume_manager_custom_parameters = {
'fs_mount_options':
self.custom_root_mount_args,
'fs_create_options':
self.custom_root_creation_args,
'root_label':
self.disk_setup.get_root_label(),
'root_is_snapshot':
self.xml_state.build_type.get_btrfs_root_is_snapshot(),
'root_is_readonly_snapshot':
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot(
),
'quota_groups':
self.xml_state.build_type.get_btrfs_quota_groups(),
'resize_on_boot':
self.disk_resize_requested
}
volume_manager = VolumeManager.new(
self.volume_manager_name, device_map, self.root_dir + '/',
self.volumes, volume_manager_custom_parameters)
volume_manager.setup(self.volume_group_name)
volume_manager.create_volumes(self.requested_filesystem)
volume_manager.mount_volumes()
system = volume_manager
device_map['root'] = volume_manager.get_device().get('root')
device_map['swap'] = volume_manager.get_device().get('swap')
else:
log.info('Creating root(%s) filesystem on %s',
self.requested_filesystem,
device_map['root'].get_device())
filesystem_custom_parameters = {
'mount_options': self.custom_root_mount_args,
'create_options': self.custom_root_creation_args
}
filesystem = FileSystem.new(self.requested_filesystem,
device_map['root'],
self.root_dir + '/',
filesystem_custom_parameters)
filesystem.create_on_device(label=self.disk_setup.get_root_label())
system = filesystem
# create swap on current root device if requested
if self.swap_mbytes:
swap = FileSystem.new('swap', device_map['swap'])
swap.create_on_device(label='SWAP')
# store root partition/filesystem uuid for profile
self._preserve_root_partition_uuid(device_map)
self._preserve_root_filesystem_uuid(device_map)
# create a random image identifier
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
# create first stage metadata to boot image
self._write_partition_id_config_to_boot_image(disk)
self._write_recovery_metadata_to_boot_image()
self._write_raid_config_to_boot_image(raid_root)
self._write_generic_fstab_to_boot_image(device_map, system)
self.system_setup.export_modprobe_setup(
self.boot_image.boot_root_directory)
# create first stage metadata to system image
self._write_image_identifier_to_system_image()
self._write_crypttab_to_system_image(luks_root)
self._write_generic_fstab_to_system_image(device_map, system)
if self.initrd_system == 'dracut':
if self.root_filesystem_is_multipath is False:
self.boot_image.omit_module('multipath')
if self.root_filesystem_is_overlay:
self.boot_image.include_module('kiwi-overlay')
self.boot_image.write_system_config_file(
config={'modules': ['kiwi-overlay']})
if self.disk_resize_requested:
self.boot_image.include_module('kiwi-repart')
# create initrd
if self.boot_image.has_initrd_support():
self.boot_image.create_initrd(self.mbrid)
# create second stage metadata to system image
self._copy_first_boot_files_to_system_image()
self._write_bootloader_meta_data_to_system_image(device_map, disk)
self.mbrid.write_to_disk(disk.storage_provider)
# set SELinux file security contexts if context exists
self._setup_selinux_file_contexts()
# syncing system data to disk image
self._sync_system_to_image(device_map, system, system_boot, system_efi,
system_spare, system_custom_parts)
# run post sync script hook
if self.system_setup.script_exists(defaults.POST_DISK_SYNC_SCRIPT):
disk_system = SystemSetup(self.xml_state, system.get_mountpoint())
disk_system.import_description()
disk_system.call_disk_script()
disk_system.cleanup()
# install boot loader
self._install_bootloader(device_map, disk, system)
# set root filesystem properties
self._setup_property_root_is_readonly_snapshot(system)
Result.verify_image_size(self.runtime_config.get_max_size_constraint(),
self.diskname)
# store image bundle_format in result
if self.bundle_format:
self.result.add_bundle_format(self.bundle_format)
# store image file name in result
compression = self.runtime_config.get_bundle_compression(default=True)
if self.luks is not None:
compression = False
self.result.add(
key='disk_image',
filename=self.diskname,
use_for_bundle=True if not self.image_format else False,
compress=compression,
shasum=True)
# create image root metadata
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
class LiveImageBuilder(object):
"""
**Live image builder**
:param object xml_state: instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.media_dir = None
self.live_container_dir = None
self.arch = platform.machine()
if self.arch == 'i686' or self.arch == 'i586':
self.arch = 'ix86'
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.live_type = xml_state.build_type.get_flags()
self.volume_id = xml_state.build_type.get_volid() or \
Defaults.get_volume_id()
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
self.filesystem_custom_parameters = {
'mount_options': xml_state.get_fs_mount_option_list()
}
self.publisher = xml_state.build_type.get_publisher() or \
Defaults.get_publisher()
if not self.live_type:
self.live_type = Defaults.get_default_live_iso_type()
self.boot_image = BootImageDracut(
xml_state, target_dir, self.root_dir
)
self.firmware = FirmWare(
xml_state
)
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.isoname = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + platform.machine(),
'-' + xml_state.get_image_version(),
'.iso'
]
)
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a bootable hybrid live ISO image
Image types which triggers this builder are:
* image="iso"
:raises KiwiLiveBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
# media dir to store CD contents
self.media_dir = mkdtemp(
prefix='live-media.', dir=self.target_dir
)
# unpack cdroot user files to media dir
self.system_setup.import_cdroot_files(self.media_dir)
rootsize = SystemSize(self.media_dir)
# custom iso metadata
log.info('Using following live ISO metadata:')
log.info('--> Application id: {0}'.format(self.mbrid.get_id()))
log.info('--> Publisher: {0}'.format(Defaults.get_publisher()))
log.info('--> Volume id: {0}'.format(self.volume_id))
custom_iso_args = {
'meta_data': {
'publisher': self.publisher,
'preparer': Defaults.get_preparer(),
'volume_id': self.volume_id,
'mbr_id': self.mbrid.get_id(),
'efi_mode': self.firmware.efi_mode()
}
}
# pack system into live boot structure as expected by dracut
log.info(
'Packing system into dracut live ISO type: {0}'.format(
self.live_type
)
)
root_filesystem = Defaults.get_default_live_iso_root_filesystem()
filesystem_custom_parameters = {
'mount_options': self.xml_state.get_fs_mount_option_list()
}
filesystem_setup = FileSystemSetup(
self.xml_state, self.root_dir
)
root_image = NamedTemporaryFile()
loop_provider = LoopDevice(
root_image.name,
filesystem_setup.get_size_mbytes(root_filesystem),
self.xml_state.build_type.get_target_blocksize()
)
loop_provider.create()
live_filesystem = FileSystem(
name=root_filesystem,
device_provider=loop_provider,
root_dir=self.root_dir + os.sep,
custom_args=filesystem_custom_parameters
)
live_filesystem.create_on_device()
log.info(
'--> Syncing data to {0} root image'.format(root_filesystem)
)
live_filesystem.sync_data(
Defaults.get_exclude_list_for_root_data_sync()
)
log.info('--> Creating squashfs container for root image')
self.live_container_dir = mkdtemp(
prefix='live-container.', dir=self.target_dir
)
Path.create(self.live_container_dir + '/LiveOS')
shutil.copy(
root_image.name, self.live_container_dir + '/LiveOS/rootfs.img'
)
live_container_image = FileSystem(
name='squashfs',
device_provider=None,
root_dir=self.live_container_dir
)
container_image = NamedTemporaryFile()
live_container_image.create_on_file(
container_image.name
)
Path.create(self.media_dir + '/LiveOS')
shutil.copy(
container_image.name, self.media_dir + '/LiveOS/squashfs.img'
)
# setup bootloader config to boot the ISO via isolinux
log.info('Setting up isolinux bootloader configuration')
bootloader_config_isolinux = BootLoaderConfig(
'isolinux', self.xml_state, self.media_dir
)
bootloader_config_isolinux.setup_live_boot_images(
mbrid=None,
lookup_path=self.boot_image.boot_root_directory
)
bootloader_config_isolinux.setup_live_image_config(
mbrid=None
)
bootloader_config_isolinux.write()
# setup bootloader config to boot the ISO via EFI
if self.firmware.efi_mode():
log.info('Setting up EFI grub bootloader configuration')
bootloader_config_grub = BootLoaderConfig(
'grub2', self.xml_state, self.media_dir, {
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir)
}
)
bootloader_config_grub.setup_live_boot_images(
mbrid=self.mbrid, lookup_path=self.root_dir
)
bootloader_config_grub.setup_live_image_config(
mbrid=self.mbrid
)
bootloader_config_grub.write()
# call custom editbootconfig script if present
self.system_setup.call_edit_boot_config_script(
filesystem='iso:{0}'.format(self.media_dir), boot_part_id=1,
working_directory=self.root_dir
)
# prepare dracut initrd call
self.boot_image.prepare()
# create dracut initrd for live image
log.info('Creating live ISO boot image')
self._create_dracut_live_iso_config()
self.boot_image.create_initrd(self.mbrid)
# setup kernel file(s) and initrd in ISO boot layout
log.info('Setting up kernel file(s) and boot image in ISO boot layout')
self._setup_live_iso_kernel_and_initrd()
# calculate size and decide if we need UDF
if rootsize.accumulate_mbyte_file_sizes() > 4096:
log.info('ISO exceeds 4G size, using UDF filesystem')
custom_iso_args['meta_data']['udf'] = True
# create iso filesystem from media_dir
log.info('Creating live ISO image')
iso_image = FileSystemIsoFs(
device_provider=None, root_dir=self.media_dir,
custom_args=custom_iso_args
)
iso_image.create_on_file(self.isoname)
# include metadata for checkmedia tool
if self.xml_state.build_type.get_mediacheck() is True:
Iso.set_media_tag(self.isoname)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.isoname
)
self.result.add(
key='live_image',
filename=self.isoname,
use_for_bundle=True,
compress=False,
shasum=True
)
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
def _create_dracut_live_iso_config(self):
live_config_file = self.root_dir + '/etc/dracut.conf.d/02-livecd.conf'
omit_modules = [
'kiwi-dump', 'kiwi-overlay', 'kiwi-repart', 'kiwi-lib', 'multipath'
]
live_config = [
'add_dracutmodules+=" {0} pollcdrom "'.format(
Defaults.get_live_dracut_module_from_flag(self.live_type)
),
'omit_dracutmodules+=" {0} "'.format(' '.join(omit_modules)),
'hostonly="no"',
'dracut_rescue_image="no"'
]
with open(live_config_file, 'w') as config:
for entry in live_config:
config.write(entry + os.linesep)
def _setup_live_iso_kernel_and_initrd(self):
"""
Copy kernel and initrd from the root tree into the iso boot structure
"""
boot_path = ''.join(
[self.media_dir, '/boot/', self.arch, '/loader']
)
Path.create(boot_path)
# Move kernel files to iso filesystem structure
kernel = Kernel(self.boot_image.boot_root_directory)
if kernel.get_kernel():
kernel.copy_kernel(boot_path, '/linux')
else:
raise KiwiLiveBootImageError(
'No kernel in boot image tree {0} found'.format(
self.boot_image.boot_root_directory
)
)
if self.xml_state.is_xen_server():
if kernel.get_xen_hypervisor():
kernel.copy_xen_hypervisor(boot_path, '/xen.gz')
else:
raise KiwiLiveBootImageError(
'No hypervisor in boot image tree {0} found'.format(
self.boot_image.boot_root_directory
)
)
# Move initrd to iso filesystem structure
if os.path.exists(self.boot_image.initrd_filename):
shutil.move(
self.boot_image.initrd_filename, boot_path + '/initrd'
)
else:
raise KiwiLiveBootImageError(
'No boot image {0} in boot image tree {1} found'.format(
self.boot_image.initrd_filename,
self.boot_image.boot_root_directory
)
)
def __del__(self):
if self.media_dir or self.live_container_dir:
log.info(
'Cleaning up {0} instance'.format(type(self).__name__)
)
if self.media_dir:
Path.wipe(self.media_dir)
if self.live_container_dir:
Path.wipe(self.live_container_dir)
class DiskBuilder(object):
"""
**Disk image builder**
:param object xml_state: Instance of :class:`XMLState`
:param str target_dir: Target directory path name
:param str root_dir: Root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.arch = platform.machine()
if self.arch == 'i686' or self.arch == 'i586':
self.arch = 'ix86'
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.spare_part_mbsize = xml_state.get_build_type_spare_part_size()
self.persistency_type = xml_state.build_type.get_devicepersistency()
self.root_filesystem_is_overlay = xml_state.build_type.get_overlayroot()
self.custom_root_mount_args = xml_state.get_fs_mount_option_list()
self.build_type_name = xml_state.get_build_type_name()
self.image_format = xml_state.build_type.get_format()
self.install_iso = xml_state.build_type.get_installiso()
self.install_stick = xml_state.build_type.get_installstick()
self.install_pxe = xml_state.build_type.get_installpxe()
self.blocksize = xml_state.build_type.get_target_blocksize()
self.volume_manager_name = xml_state.get_volume_management()
self.volumes = xml_state.get_volumes()
self.volume_group_name = xml_state.get_volume_group_name()
self.mdraid = xml_state.build_type.get_mdraid()
self.hybrid_mbr = xml_state.build_type.get_gpt_hybrid_mbr()
self.force_mbr = xml_state.build_type.get_force_mbr()
self.luks = xml_state.build_type.get_luks()
self.luks_os = xml_state.build_type.get_luksOS()
self.xen_server = xml_state.is_xen_server()
self.requested_filesystem = xml_state.build_type.get_filesystem()
self.requested_boot_filesystem = \
xml_state.build_type.get_bootfilesystem()
self.bootloader = xml_state.build_type.get_bootloader()
self.initrd_system = xml_state.get_initrd_system()
self.target_removable = xml_state.build_type.get_target_removable()
self.root_filesystem_is_multipath = \
xml_state.get_oemconfig_oem_multipath_scan()
self.disk_setup = DiskSetup(
xml_state, root_dir
)
self.unpartitioned_bytes = \
xml_state.get_build_type_unpartitioned_bytes()
self.custom_args = custom_args
self.signing_keys = None
if custom_args and 'signing_keys' in custom_args:
self.signing_keys = custom_args['signing_keys']
self.boot_image = BootImage(
xml_state, target_dir, root_dir,
signing_keys=self.signing_keys, custom_args=self.custom_args
)
self.firmware = FirmWare(
xml_state
)
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.diskname = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + self.arch,
'-' + xml_state.get_image_version(),
'.raw'
]
)
self.install_media = self._install_image_requested()
self.generic_fstab_entries = []
# an instance of a class with the sync_data capability
# representing the entire image system except for the boot/ area
# which could live on another part of the disk
self.system = None
# an instance of a class with the sync_data capability
# representing the boot/ area of the disk if not part of
# self.system
self.system_boot = None
# an instance of a class with the sync_data capability
# representing the boot/efi area of the disk
self.system_efi = None
# result store
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a bootable disk image and optional installation image
The installation image is a bootable hybrid ISO image which
embeds the disk image and an image installer
Image types which triggers this builder are:
* image="oem"
* image="vmx"
:return: result
:rtype: instance of :class:`Result`
"""
disk = DiskBuilder(
self.xml_state, self.target_dir, self.root_dir, self.custom_args
)
result = disk.create_disk()
# cleanup disk resources taken prior to next steps
del disk
disk_installer = DiskBuilder(
self.xml_state, self.target_dir, self.root_dir
)
result = disk_installer.create_install_media(result)
disk_format = DiskBuilder(
self.xml_state, self.target_dir, self.root_dir
)
disk_format.append_unpartitioned_space()
result = disk_format.create_disk_format(result)
return result
def create_disk(self):
"""
Build a bootable raw disk image
:raises KiwiInstallMediaError:
if install media is required and image type is not oem
:raises KiwiVolumeManagerSetupError:
root overlay at the same time volumes are defined is not supported
:return: result
:rtype: instance of :class:`Result`
"""
if self.install_media and self.build_type_name != 'oem':
raise KiwiInstallMediaError(
'Install media requires oem type setup, got %s' %
self.build_type_name
)
if self.root_filesystem_is_overlay and self.volume_manager_name:
raise KiwiVolumeManagerSetupError(
'Volume management together with root overlay is not supported'
)
# setup recovery archive, cleanup and create archive if requested
self.system_setup.create_recovery_archive()
# prepare boot(initrd) root system
log.info('Preparing boot system')
self.boot_image.prepare()
# precalculate needed disk size
disksize_mbytes = self.disk_setup.get_disksize_mbytes()
# create the disk
log.info('Creating raw disk image %s', self.diskname)
loop_provider = LoopDevice(
self.diskname, disksize_mbytes, self.blocksize
)
loop_provider.create()
self.disk = Disk(
self.firmware.get_partition_table_type(), loop_provider,
self.xml_state.get_disk_start_sector()
)
# create the bootloader instance
self.bootloader_config = BootLoaderConfig(
self.bootloader, self.xml_state, self.root_dir, {
'targetbase':
loop_provider.get_device(),
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir)
}
)
# create disk partitions and instance device map
device_map = self._build_and_map_disk_partitions()
# create raid on current root device if requested
if self.mdraid:
self.raid_root = RaidDevice(device_map['root'])
self.raid_root.create_degraded_raid(raid_level=self.mdraid)
device_map['root'] = self.raid_root.get_device()
self.disk.public_partition_id_map['kiwi_RaidPart'] = \
self.disk.public_partition_id_map['kiwi_RootPart']
self.disk.public_partition_id_map['kiwi_RaidDev'] = \
device_map['root'].get_device()
# create luks on current root device if requested
if self.luks:
self.luks_root = LuksDevice(device_map['root'])
self.luks_root.create_crypto_luks(
passphrase=self.luks, os=self.luks_os
)
device_map['root'] = self.luks_root.get_device()
# create filesystems on boot partition(s) if any
self._build_boot_filesystems(device_map)
# create volumes and filesystems for root system
if self.volume_manager_name:
volume_manager_custom_parameters = {
'fs_mount_options':
self.custom_root_mount_args,
'root_label':
self.disk_setup.get_root_label(),
'root_is_snapshot':
self.xml_state.build_type.get_btrfs_root_is_snapshot(),
'root_is_readonly_snapshot':
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot(),
'image_type':
self.xml_state.get_build_type_name()
}
volume_manager = VolumeManager(
self.volume_manager_name, device_map['root'],
self.root_dir + '/',
self.volumes,
volume_manager_custom_parameters
)
volume_manager.setup(
self.volume_group_name
)
volume_manager.create_volumes(
self.requested_filesystem
)
volume_manager.mount_volumes()
self.generic_fstab_entries += volume_manager.get_fstab(
self.persistency_type, self.requested_filesystem
)
self.system = volume_manager
device_map['root'] = volume_manager.get_device()['root']
else:
log.info(
'Creating root(%s) filesystem on %s',
self.requested_filesystem, device_map['root'].get_device()
)
filesystem_custom_parameters = {
'mount_options': self.custom_root_mount_args
}
filesystem = FileSystem(
self.requested_filesystem, device_map['root'],
self.root_dir + '/',
filesystem_custom_parameters
)
filesystem.create_on_device(
label=self.disk_setup.get_root_label()
)
self.system = filesystem
# create a random image identifier
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
# create first stage metadata to boot image
self._write_partition_id_config_to_boot_image()
self._write_recovery_metadata_to_boot_image()
self._write_raid_config_to_boot_image()
self._write_generic_fstab_to_boot_image(device_map)
self.system_setup.export_modprobe_setup(
self.boot_image.boot_root_directory
)
# create first stage metadata to system image
self._write_image_identifier_to_system_image()
self._write_crypttab_to_system_image()
self._write_generic_fstab_to_system_image(device_map)
if self.initrd_system == 'dracut':
self._create_dracut_config()
# create initrd cpio archive
self.boot_image.create_initrd(self.mbrid)
# create dracut config omitting one time kiwi dracut modules
if self.initrd_system == 'dracut':
self._create_system_dracut_config()
# create second stage metadata to system image
self._copy_first_boot_files_to_system_image()
self._write_bootloader_config_to_system_image(device_map)
self.mbrid.write_to_disk(
self.disk.storage_provider
)
# set SELinux file security contexts if context exists
self._setup_selinux_file_contexts()
# syncing system data to disk image
log.info('Syncing system to image')
if self.system_efi:
log.info('--> Syncing EFI boot data to EFI partition')
self.system_efi.sync_data()
if self.system_boot:
log.info('--> Syncing boot data at extra partition')
self.system_boot.sync_data(
self._get_exclude_list_for_boot_data_sync()
)
log.info('--> Syncing root filesystem data')
if self.root_filesystem_is_overlay:
squashed_root_file = NamedTemporaryFile()
squashed_root = FileSystemSquashFs(
device_provider=None, root_dir=self.root_dir
)
squashed_root.create_on_file(
filename=squashed_root_file.name,
exclude=self._get_exclude_list_for_root_data_sync(device_map)
)
Command.run(
[
'dd',
'if=%s' % squashed_root_file.name,
'of=%s' % device_map['readonly'].get_device()
]
)
else:
self.system.sync_data(
self._get_exclude_list_for_root_data_sync(device_map)
)
# install boot loader
self._install_bootloader(device_map)
# set root filesystem properties
self._setup_property_root_is_readonly_snapshot()
# prepare for install media if requested
if self.install_media:
log.info('Saving boot image instance to file')
self.boot_image.dump(
self.target_dir + '/boot_image.pickledump'
)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.diskname
)
# store image file name in result
self.result.add(
key='disk_image',
filename=self.diskname,
use_for_bundle=True if not self.image_format else False,
compress=True,
shasum=True
)
# create image root metadata
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
def create_disk_format(self, result_instance):
"""
Create a bootable disk format from a previously
created raw disk image
:param object result_instance: instance of :class:`Result`
:return: updated result_instance
:rtype: instance of :class:`Result`
"""
if self.image_format:
log.info('Creating %s Disk Format', self.image_format)
disk_format = DiskFormat(
self.image_format, self.xml_state,
self.root_dir, self.target_dir
)
disk_format.create_image_format()
disk_format.store_to_result(result_instance)
return result_instance
def append_unpartitioned_space(self):
"""
Extends the raw disk if an unpartitioned area is specified
"""
if self.unpartitioned_bytes:
log.info(
'Expanding disk with %d bytes of unpartitioned space',
self.unpartitioned_bytes
)
disk_format = DiskFormat(
'raw', self.xml_state, self.root_dir, self.target_dir
)
disk_format.resize_raw_disk(self.unpartitioned_bytes, append=True)
firmware = FirmWare(self.xml_state)
loop_provider = LoopDevice(disk_format.diskname)
loop_provider.create(overwrite=False)
partitioner = Partitioner(
firmware.get_partition_table_type(), loop_provider
)
partitioner.resize_table()
def create_install_media(self, result_instance):
"""
Build an installation image. The installation image is a
bootable hybrid ISO image which embeds the raw disk image
and an image installer
:param object result_instance: instance of :class:`Result`
:return: updated result_instance with installation media
:rtype: instance of :class:`Result`
"""
if self.install_media:
install_image = InstallImageBuilder(
self.xml_state, self.root_dir, self.target_dir,
self._load_boot_image_instance(), self.custom_args
)
if self.install_iso or self.install_stick:
log.info('Creating hybrid ISO installation image')
install_image.create_install_iso()
result_instance.add(
key='installation_image',
filename=install_image.isoname,
use_for_bundle=True,
compress=False,
shasum=True
)
if self.install_pxe:
log.info('Creating PXE installation archive')
install_image.create_install_pxe_archive()
result_instance.add(
key='installation_pxe_archive',
filename=install_image.pxename,
use_for_bundle=True,
compress=False,
shasum=True
)
return result_instance
def _load_boot_image_instance(self):
boot_image_dump_file = self.target_dir + '/boot_image.pickledump'
if not os.path.exists(boot_image_dump_file):
raise KiwiInstallMediaError(
'No boot image instance dump %s found' % boot_image_dump_file
)
try:
with open(boot_image_dump_file, 'rb') as boot_image_dump:
boot_image = pickle.load(boot_image_dump)
boot_image.enable_cleanup()
Path.wipe(boot_image_dump_file)
except Exception as e:
raise KiwiInstallMediaError(
'Failed to load boot image dump: %s' % type(e).__name__
)
return boot_image
def _setup_selinux_file_contexts(self):
security_context = '/etc/selinux/targeted/contexts/files/file_contexts'
if os.path.exists(self.root_dir + security_context):
self.system_setup.set_selinux_file_contexts(
security_context
)
def _install_image_requested(self):
if self.install_iso or self.install_stick or self.install_pxe:
return True
def _get_exclude_list_for_root_data_sync(self, device_map):
exclude_list = Defaults.get_exclude_list_for_root_data_sync()
if 'boot' in device_map and self.bootloader == 'grub2_s390x_emu':
exclude_list.append('boot/zipl/*')
exclude_list.append('boot/zipl/.*')
elif 'boot' in device_map:
exclude_list.append('boot/*')
exclude_list.append('boot/.*')
if 'efi' in device_map:
exclude_list.append('boot/efi/*')
exclude_list.append('boot/efi/.*')
return exclude_list
def _get_exclude_list_for_boot_data_sync(self):
return ['efi/*']
def _build_boot_filesystems(self, device_map):
if 'efi' in device_map:
log.info(
'Creating EFI(fat16) filesystem on %s',
device_map['efi'].get_device()
)
filesystem = FileSystem(
'fat16', device_map['efi'], self.root_dir + '/boot/efi/'
)
filesystem.create_on_device(
label=self.disk_setup.get_efi_label()
)
self.system_efi = filesystem
if 'boot' in device_map:
boot_filesystem = self.requested_boot_filesystem
if not boot_filesystem:
boot_filesystem = self.requested_filesystem
boot_directory = self.root_dir + '/boot/'
if self.bootloader == 'grub2_s390x_emu':
boot_directory = self.root_dir + '/boot/zipl/'
boot_filesystem = 'ext2'
log.info(
'Creating boot(%s) filesystem on %s',
boot_filesystem, device_map['boot'].get_device()
)
filesystem = FileSystem(
boot_filesystem, device_map['boot'], boot_directory
)
filesystem.create_on_device(
label=self.disk_setup.get_boot_label()
)
self.system_boot = filesystem
def _build_and_map_disk_partitions(self): # noqa: C901
self.disk.wipe()
if self.firmware.legacy_bios_mode():
log.info('--> creating EFI CSM(legacy bios) partition')
self.disk.create_efi_csm_partition(
self.firmware.get_legacy_bios_partition_size()
)
if self.firmware.efi_mode():
log.info('--> creating EFI partition')
self.disk.create_efi_partition(
self.firmware.get_efi_partition_size()
)
if self.firmware.ofw_mode():
log.info('--> creating PReP partition')
self.disk.create_prep_partition(
self.firmware.get_prep_partition_size()
)
if self.disk_setup.need_boot_partition():
log.info('--> creating boot partition')
self.disk.create_boot_partition(
self.disk_setup.boot_partition_size()
)
if self.spare_part_mbsize:
log.info('--> creating spare partition')
self.disk.create_spare_partition(
self.spare_part_mbsize
)
if self.root_filesystem_is_overlay:
log.info('--> creating readonly root partition')
squashed_root_file = NamedTemporaryFile()
squashed_root = FileSystemSquashFs(
device_provider=None, root_dir=self.root_dir
)
squashed_root.create_on_file(
filename=squashed_root_file.name,
exclude=[Defaults.get_shared_cache_location()]
)
squashed_rootfs_mbsize = os.path.getsize(
squashed_root_file.name
) / 1048576
self.disk.create_root_readonly_partition(
int(squashed_rootfs_mbsize + 50)
)
if self.volume_manager_name and self.volume_manager_name == 'lvm':
log.info('--> creating LVM root partition')
self.disk.create_root_lvm_partition('all_free')
elif self.mdraid:
log.info('--> creating mdraid root partition')
self.disk.create_root_raid_partition('all_free')
else:
log.info('--> creating root partition')
self.disk.create_root_partition('all_free')
if self.firmware.bios_mode():
log.info('--> setting active flag to primary boot partition')
self.disk.activate_boot_partition()
if self.firmware.ofw_mode():
log.info('--> setting active flag to primary PReP partition')
self.disk.activate_boot_partition()
if self.firmware.efi_mode():
if self.force_mbr:
log.info('--> converting partition table to MBR')
self.disk.create_mbr()
elif self.hybrid_mbr:
log.info('--> converting partition table to hybrid GPT/MBR')
self.disk.create_hybrid_mbr()
self.disk.map_partitions()
return self.disk.get_device()
def _create_dracut_config(self):
dracut_config = [
'hostonly="no"',
'dracut_rescue_image="no"'
]
dracut_modules = []
dracut_modules_omit = ['kiwi-live', 'kiwi-dump']
if self.root_filesystem_is_multipath is False:
dracut_modules_omit.append('multipath')
if self.root_filesystem_is_overlay:
dracut_modules.append('kiwi-overlay')
else:
dracut_modules_omit.append('kiwi-overlay')
if self.build_type_name == 'oem':
dracut_modules.append('kiwi-lib')
dracut_modules.append('kiwi-repart')
self._write_dracut_config(
config=dracut_config,
modules=dracut_modules,
omit_modules=dracut_modules_omit
)
def _create_system_dracut_config(self):
dracut_modules = []
dracut_modules_omit = ['kiwi-live', 'kiwi-dump', 'kiwi-repart']
if self.root_filesystem_is_overlay:
dracut_modules.append('kiwi-overlay')
else:
dracut_modules_omit.append('kiwi-overlay')
self._write_dracut_config(
config=[], modules=dracut_modules, omit_modules=dracut_modules_omit
)
def _write_dracut_config(self, config, modules, omit_modules):
dracut_config_file = ''.join(
[self.root_dir, Defaults.get_dracut_conf_name()]
)
if modules:
config.append(
'add_dracutmodules+=" {0} "'.format(' '.join(modules))
)
if omit_modules:
config.append(
'omit_dracutmodules+=" {0} "'.format(' '.join(omit_modules))
)
with open(dracut_config_file, 'w') as dracut_config:
for entry in config:
dracut_config.write(entry + os.linesep)
def _write_partition_id_config_to_boot_image(self):
log.info('Creating config.partids in boot system')
filename = ''.join(
[self.boot_image.boot_root_directory, '/config.partids']
)
partition_id_map = self.disk.get_public_partition_id_map()
with open(filename, 'w') as partids:
for id_name, id_value in list(partition_id_map.items()):
partids.write('{0}="{1}"{2}'.format(
id_name, id_value, os.linesep)
)
self.boot_image.include_file(
os.sep + os.path.basename(filename)
)
def _write_raid_config_to_boot_image(self):
if self.mdraid:
log.info('Creating etc/mdadm.conf in boot system')
filename = ''.join(
[self.boot_image.boot_root_directory, '/etc/mdadm.conf']
)
self.raid_root.create_raid_config(filename)
self.boot_image.include_file(
os.sep + os.sep.join(['etc', os.path.basename(filename)])
)
def _write_crypttab_to_system_image(self):
if self.luks:
log.info('Creating etc/crypttab')
filename = ''.join(
[self.root_dir, '/etc/crypttab']
)
self.luks_root.create_crypttab(filename)
self.boot_image.include_file(
os.sep + os.sep.join(['etc', os.path.basename(filename)])
)
def _write_generic_fstab_to_system_image(self, device_map):
log.info('Creating generic system etc/fstab')
self._write_generic_fstab(device_map, self.system_setup)
def _write_generic_fstab_to_boot_image(self, device_map):
if self.initrd_system == 'kiwi':
log.info('Creating generic boot image etc/fstab')
self._write_generic_fstab(device_map, self.boot_image.setup)
def _write_generic_fstab(self, device_map, setup):
root_is_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_snapshot()
root_is_readonly_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot()
fs_check_interval = '1 1'
custom_root_mount_args = list(self.custom_root_mount_args)
if root_is_snapshot and root_is_readonly_snapshot:
custom_root_mount_args += ['ro']
fs_check_interval = '0 0'
self._add_generic_fstab_entry(
device_map['root'].get_device(), '/',
custom_root_mount_args, fs_check_interval
)
if 'boot' in device_map:
if self.bootloader == 'grub2_s390x_emu':
boot_mount_point = '/boot/zipl'
else:
boot_mount_point = '/boot'
self._add_generic_fstab_entry(
device_map['boot'].get_device(), boot_mount_point
)
if 'efi' in device_map:
self._add_generic_fstab_entry(
device_map['efi'].get_device(), '/boot/efi'
)
setup.create_fstab(
self.generic_fstab_entries
)
def _add_generic_fstab_entry(
self, device, mount_point, options=None, check='0 0'
):
if not options:
options = ['defaults']
block_operation = BlockID(device)
blkid_type = 'LABEL' if self.persistency_type == 'by-label' else 'UUID'
device_id = block_operation.get_blkid(blkid_type)
fstab_entry = ' '.join(
[
blkid_type + '=' + device_id, mount_point,
block_operation.get_filesystem(), ','.join(options), check
]
)
if fstab_entry not in self.generic_fstab_entries:
self.generic_fstab_entries.append(
fstab_entry
)
def _write_image_identifier_to_system_image(self):
log.info('Creating image identifier: %s', self.mbrid.get_id())
self.mbrid.write(
self.root_dir + '/boot/mbrid'
)
def _write_recovery_metadata_to_boot_image(self):
if os.path.exists(self.root_dir + '/recovery.partition.size'):
log.info('Copying recovery metadata to boot image')
recovery_metadata = ''.join(
[self.root_dir, '/recovery.partition.size']
)
Command.run(
['cp', recovery_metadata, self.boot_image.boot_root_directory]
)
self.boot_image.include_file(
os.sep + os.path.basename(recovery_metadata)
)
def _write_bootloader_config_to_system_image(self, device_map):
if self.bootloader is not 'custom':
log.info('Creating %s bootloader configuration', self.bootloader)
boot_options = []
if self.mdraid:
boot_options.append('rd.auto')
boot_names = self.boot_image.get_boot_names()
boot_device = device_map['root']
if 'boot' in device_map:
boot_device = device_map['boot']
root_uuid = self.disk.get_uuid(
device_map['root'].get_device()
)
boot_uuid = self.disk.get_uuid(
boot_device.get_device()
)
self.bootloader_config.setup_disk_boot_images(boot_uuid)
self.bootloader_config.setup_disk_image_config(
boot_uuid=boot_uuid,
root_uuid=root_uuid,
kernel=boot_names.kernel_name,
initrd=boot_names.initrd_name,
boot_options=' '.join(boot_options)
)
self.bootloader_config.write()
log.info('Creating config.bootoptions')
filename = ''.join(
[self.boot_image.boot_root_directory, '/config.bootoptions']
)
kexec_boot_options = ' '.join(
[
self.bootloader_config.get_boot_cmdline(root_uuid)
] + boot_options
)
with open(filename, 'w') as boot_options:
boot_options.write(
'{0}{1}'.format(kexec_boot_options, os.linesep)
)
partition_id_map = self.disk.get_public_partition_id_map()
boot_partition_id = partition_id_map['kiwi_RootPart']
if 'kiwi_BootPart' in partition_id_map:
boot_partition_id = partition_id_map['kiwi_BootPart']
self.system_setup.call_edit_boot_config_script(
self.requested_filesystem, boot_partition_id
)
def _install_bootloader(self, device_map):
root_device = device_map['root']
boot_device = root_device
if 'boot' in device_map:
boot_device = device_map['boot']
if 'readonly' in device_map:
root_device = device_map['readonly']
custom_install_arguments = {
'boot_device': boot_device.get_device(),
'root_device': root_device.get_device(),
'firmware': self.firmware,
'target_removable': self.target_removable
}
if 'efi' in device_map:
efi_device = device_map['efi']
custom_install_arguments.update(
{'efi_device': efi_device.get_device()}
)
if 'prep' in device_map:
prep_device = device_map['prep']
custom_install_arguments.update(
{'prep_device': prep_device.get_device()}
)
if self.volume_manager_name:
self.system.umount_volumes()
custom_install_arguments.update(
{'system_volumes': self.system.get_volumes()}
)
if self.bootloader is not 'custom':
log.debug(
"custom arguments for bootloader installation %s",
custom_install_arguments
)
bootloader = BootLoaderInstall(
self.bootloader, self.root_dir, self.disk.storage_provider,
custom_install_arguments
)
if bootloader.install_required():
bootloader.install()
self.system_setup.call_edit_boot_install_script(
self.diskname, boot_device.get_device()
)
def _setup_property_root_is_readonly_snapshot(self):
if self.volume_manager_name:
root_is_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_snapshot()
root_is_readonly_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot()
if root_is_snapshot and root_is_readonly_snapshot:
log.info(
'Setting root filesystem into read-only mode'
)
self.system.mount_volumes()
self.system.set_property_readonly_root()
self.system.umount_volumes()
def _copy_first_boot_files_to_system_image(self):
boot_names = self.boot_image.get_boot_names()
if self.initrd_system == 'kiwi':
log.info('Copy boot files to system image')
kernel = Kernel(self.boot_image.boot_root_directory)
log.info('--> boot image kernel as %s', boot_names.kernel_name)
kernel.copy_kernel(
self.root_dir, ''.join(['/boot/', boot_names.kernel_name])
)
if self.xen_server:
if kernel.get_xen_hypervisor():
log.info('--> boot image Xen hypervisor as xen.gz')
kernel.copy_xen_hypervisor(
self.root_dir, '/boot/xen.gz'
)
else:
raise KiwiDiskBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image.boot_root_directory
)
log.info('--> initrd archive as %s', boot_names.initrd_name)
Command.run(
[
'mv', self.boot_image.initrd_filename,
self.root_dir + ''.join(['/boot/', boot_names.initrd_name])
]
)
class LiveImageBuilder:
"""
**Live image builder**
:param object xml_state: instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: root directory path name
:param dict custom_args: Custom processing arguments
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.media_dir = None
self.live_container_dir = None
self.arch = Defaults.get_platform_name()
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.live_type = xml_state.build_type.get_flags()
self.volume_id = xml_state.build_type.get_volid() or \
Defaults.get_volume_id()
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
self.publisher = xml_state.build_type.get_publisher() or \
Defaults.get_publisher()
self.custom_args = custom_args
if not self.live_type:
self.live_type = Defaults.get_default_live_iso_type()
self.boot_image = BootImageDracut(xml_state, target_dir, self.root_dir)
self.firmware = FirmWare(xml_state)
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.isoname = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + Defaults.get_platform_name(),
'-' + xml_state.get_image_version(), '.iso'
])
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a bootable hybrid live ISO image
Image types which triggers this builder are:
* image="iso"
:raises KiwiLiveBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
# media dir to store CD contents
self.media_dir = mkdtemp(prefix='live-media.', dir=self.target_dir)
# unpack cdroot user files to media dir
self.system_setup.import_cdroot_files(self.media_dir)
rootsize = SystemSize(self.media_dir)
# custom iso metadata
log.info('Using following live ISO metadata:')
log.info('--> Application id: {0}'.format(self.mbrid.get_id()))
log.info('--> Publisher: {0}'.format(Defaults.get_publisher()))
log.info('--> Volume id: {0}'.format(self.volume_id))
custom_iso_args = {
'meta_data': {
'publisher': self.publisher,
'preparer': Defaults.get_preparer(),
'volume_id': self.volume_id,
'mbr_id': self.mbrid.get_id(),
'efi_mode': self.firmware.efi_mode()
}
}
log.info('Setting up live image bootloader configuration')
if self.firmware.efi_mode():
# setup bootloader config to boot the ISO via EFI
# This also embedds an MBR and the respective BIOS modules
# for compat boot. The complete bootloader setup will be
# based on grub
bootloader_config = BootLoaderConfig(
'grub2',
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.media_dir,
custom_args={
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir)
})
bootloader_config.setup_live_boot_images(mbrid=self.mbrid,
lookup_path=self.root_dir)
else:
# setup bootloader config to boot the ISO via isolinux.
# This allows for booting on x86 platforms in BIOS mode
# only.
bootloader_config = BootLoaderConfig('isolinux',
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.media_dir)
IsoToolsBase.setup_media_loader_directory(
self.boot_image.boot_root_directory, self.media_dir,
bootloader_config.get_boot_theme())
bootloader_config.write_meta_data()
bootloader_config.setup_live_image_config(mbrid=self.mbrid)
bootloader_config.write()
# call custom editbootconfig script if present
self.system_setup.call_edit_boot_config_script(
filesystem='iso:{0}'.format(self.media_dir),
boot_part_id=1,
working_directory=self.root_dir)
# prepare dracut initrd call
self.boot_image.prepare()
# create dracut initrd for live image
log.info('Creating live ISO boot image')
live_dracut_modules = Defaults.get_live_dracut_modules_from_flag(
self.live_type)
live_dracut_modules.append('pollcdrom')
for dracut_module in live_dracut_modules:
self.boot_image.include_module(dracut_module)
self.boot_image.omit_module('multipath')
self.boot_image.write_system_config_file(
config={
'modules': live_dracut_modules,
'omit_modules': ['multipath']
},
config_file=self.root_dir + '/etc/dracut.conf.d/02-livecd.conf')
self.boot_image.create_initrd(self.mbrid)
# setup kernel file(s) and initrd in ISO boot layout
log.info('Setting up kernel file(s) and boot image in ISO boot layout')
self._setup_live_iso_kernel_and_initrd()
# calculate size and decide if we need UDF
if rootsize.accumulate_mbyte_file_sizes() > 4096:
log.info('ISO exceeds 4G size, using UDF filesystem')
custom_iso_args['meta_data']['udf'] = True
# pack system into live boot structure as expected by dracut
log.info('Packing system into dracut live ISO type: {0}'.format(
self.live_type))
root_filesystem = Defaults.get_default_live_iso_root_filesystem()
filesystem_custom_parameters = {
'mount_options': self.xml_state.get_fs_mount_option_list(),
'create_options': self.xml_state.get_fs_create_option_list()
}
filesystem_setup = FileSystemSetup(self.xml_state, self.root_dir)
root_image = NamedTemporaryFile()
loop_provider = LoopDevice(
root_image.name, filesystem_setup.get_size_mbytes(root_filesystem),
self.xml_state.build_type.get_target_blocksize())
loop_provider.create()
live_filesystem = FileSystem(name=root_filesystem,
device_provider=loop_provider,
root_dir=self.root_dir + os.sep,
custom_args=filesystem_custom_parameters)
live_filesystem.create_on_device()
log.info('--> Syncing data to {0} root image'.format(root_filesystem))
live_filesystem.sync_data(
Defaults.get_exclude_list_for_root_data_sync())
log.info('--> Creating squashfs container for root image')
self.live_container_dir = mkdtemp(prefix='live-container.',
dir=self.target_dir)
Path.create(self.live_container_dir + '/LiveOS')
shutil.copy(root_image.name,
self.live_container_dir + '/LiveOS/rootfs.img')
live_container_image = FileSystem(
name='squashfs',
device_provider=None,
root_dir=self.live_container_dir,
custom_args={
'compression':
self.xml_state.build_type.get_squashfscompression()
})
container_image = NamedTemporaryFile()
live_container_image.create_on_file(container_image.name)
Path.create(self.media_dir + '/LiveOS')
shutil.copy(container_image.name,
self.media_dir + '/LiveOS/squashfs.img')
# create iso filesystem from media_dir
log.info('Creating live ISO image')
iso_image = FileSystemIsoFs(device_provider=None,
root_dir=self.media_dir,
custom_args=custom_iso_args)
iso_image.create_on_file(self.isoname)
# include metadata for checkmedia tool
if self.xml_state.build_type.get_mediacheck() is True:
Iso.set_media_tag(self.isoname)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.isoname)
self.result.add(key='live_image',
filename=self.isoname,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def _setup_live_iso_kernel_and_initrd(self):
"""
Copy kernel and initrd from the root tree into the iso boot structure
"""
boot_path = ''.join([self.media_dir, '/boot/', self.arch, '/loader'])
Path.create(boot_path)
# Move kernel files to iso filesystem structure
kernel = Kernel(self.boot_image.boot_root_directory)
if kernel.get_kernel():
kernel.copy_kernel(boot_path, '/linux')
else:
raise KiwiLiveBootImageError(
'No kernel in boot image tree {0} found'.format(
self.boot_image.boot_root_directory))
if self.xml_state.is_xen_server():
if kernel.get_xen_hypervisor():
kernel.copy_xen_hypervisor(boot_path, '/xen.gz')
else:
raise KiwiLiveBootImageError(
'No hypervisor in boot image tree {0} found'.format(
self.boot_image.boot_root_directory))
# Move initrd to iso filesystem structure
if os.path.exists(self.boot_image.initrd_filename):
shutil.move(self.boot_image.initrd_filename, boot_path + '/initrd')
else:
raise KiwiLiveBootImageError(
'No boot image {0} in boot image tree {1} found'.format(
self.boot_image.initrd_filename,
self.boot_image.boot_root_directory))
def __del__(self):
if self.media_dir or self.live_container_dir:
log.info('Cleaning up {0} instance'.format(type(self).__name__))
if self.media_dir:
Path.wipe(self.media_dir)
if self.live_container_dir:
Path.wipe(self.live_container_dir)
class ArchiveBuilder:
"""
**Root archive image builder**
:param obsject xml_state: Instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.requested_archive_type = xml_state.get_build_type_name()
self.result = Result(xml_state)
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.filename = self._target_file_for('tar.xz')
self.checksum = self._target_file_for('md5')
self.xz_options = custom_args['xz_options'] if custom_args \
and 'xz_options' in custom_args else None
self.runtime_config = RuntimeConfig()
def create(self):
"""
Create a root archive tarball
Build a simple XZ compressed root tarball from the image root tree
Image types which triggers this builder are:
* image="tbz"
:return: result
:rtype: instance of :class:`Result`
"""
supported_archives = Defaults.get_archive_image_types()
if self.requested_archive_type not in supported_archives:
raise KiwiArchiveSetupError('Unknown archive type: %s' %
self.requested_archive_type)
if self.requested_archive_type == 'tbz':
log.info('Creating XZ compressed tar archive')
archive = ArchiveTar(self._target_file_for('tar'))
archive.create_xz_compressed(
self.root_dir,
xz_options=self.xz_options,
exclude=Defaults.get_exclude_list_for_root_data_sync())
checksum = Checksum(self.filename)
log.info('--> Creating archive checksum')
checksum.md5(self.checksum)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.filename)
self.result.add(key='root_archive',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='root_archive_md5',
filename=self.checksum,
use_for_bundle=False)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def _target_file_for(self, suffix):
return ''.join([
self.target_dir, '/',
self.xml_state.xml_data.get_name(),
'.' + Defaults.get_platform_name(),
'-' + self.xml_state.get_image_version(), '.', suffix
])
class ContainerBuilder(object):
"""
**Container image builder**
:param object xml_state: Instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.root_dir = root_dir
self.target_dir = target_dir
self.container_config = xml_state.get_container_config()
self.requested_container_type = xml_state.get_build_type_name()
self.base_image = None
self.base_image_md5 = None
self.container_config['xz_options'] = custom_args['xz_options'] \
if custom_args and 'xz_options' in custom_args else None
if xml_state.get_derived_from_image_uri():
# The base image is expected to be unpacked by the kiwi
# prepare step and stored inside of the root_dir/image directory.
# In addition a md5 file of the image is expected too
self.base_image = Defaults.get_imported_root_image(
self.root_dir
)
self.base_image_md5 = ''.join([self.base_image, '.md5'])
if not os.path.exists(self.base_image):
raise KiwiContainerBuilderError(
'Unpacked Base image {0} not found'.format(
self.base_image
)
)
if not os.path.exists(self.base_image_md5):
raise KiwiContainerBuilderError(
'Base image MD5 sum {0} not found at'.format(
self.base_image_md5
)
)
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.filename = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + platform.machine(),
'-' + xml_state.get_image_version(),
'.', self.requested_container_type, '.tar'
]
)
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Builds a container image which is usually a tarball including
container specific metadata.
Image types which triggers this builder are:
* image="docker"
:return: result
:rtype: instance of :class:`Result`
"""
if not self.base_image:
log.info(
'Setting up %s container', self.requested_container_type
)
container_setup = ContainerSetup(
self.requested_container_type, self.root_dir,
self.container_config
)
container_setup.setup()
else:
checksum = Checksum(self.base_image)
if not checksum.matches(checksum.md5(), self.base_image_md5):
raise KiwiContainerBuilderError(
'base image file {0} checksum validation failed'.format(
self.base_image
)
)
log.info(
'--> Creating container image'
)
container_image = ContainerImage(
self.requested_container_type, self.root_dir, self.container_config
)
self.filename = container_image.create(
self.filename, self.base_image
)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.filename
)
self.result.add(
key='container',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True
)
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
class ContainerBuilder(object):
"""
Container image builder
Attributes
* :attr:`xml_state`
Instance of XMLState
* :attr:`target_dir`
target directory path name
* :attr:`root_dir`
root directory path name
* :attr:`custom_args`
Custom processing arguments defined as hash keys:
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.root_dir = root_dir
self.target_dir = target_dir
self.container_config = xml_state.get_container_config()
self.requested_container_type = xml_state.get_build_type_name()
self.base_image = None
self.base_image_md5 = None
self.container_config['xz_options'] = custom_args['xz_options'] \
if custom_args and 'xz_options' in custom_args else None
if xml_state.get_derived_from_image_uri():
# The base image is expected to be unpacked by the kiwi
# prepare step and stored inside of the root_dir/image directory.
# In addition a md5 file of the image is expected too
self.base_image = Defaults.get_imported_root_image(self.root_dir)
self.base_image_md5 = ''.join([self.base_image, '.md5'])
if not os.path.exists(self.base_image):
raise KiwiContainerBuilderError(
'Unpacked Base image {0} not found'.format(
self.base_image))
if not os.path.exists(self.base_image_md5):
raise KiwiContainerBuilderError(
'Base image MD5 sum {0} not found at'.format(
self.base_image_md5))
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.filename = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + platform.machine(),
'-' + xml_state.get_image_version(), '.',
self.requested_container_type, '.tar.xz'
])
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Builds a container image which is usually a tarball including
container specific metadata.
Image types which triggers this builder are:
* image="docker"
"""
if not self.base_image:
log.info('Setting up %s container', self.requested_container_type)
container_setup = ContainerSetup(self.requested_container_type,
self.root_dir,
self.container_config)
container_setup.setup()
else:
checksum = Checksum(self.base_image)
if not checksum.matches(checksum.md5(), self.base_image_md5):
raise KiwiContainerBuilderError(
'base image file {0} checksum validation failed'.format(
self.base_image))
log.info('--> Creating container image')
container_image = ContainerImage(self.requested_container_type,
self.root_dir, self.container_config)
container_image.create(self.filename, self.base_image)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.filename)
self.result.add(key='container',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
class ArchiveBuilder(object):
"""
Root archive image builder
Attributes
* :attr:`xml_state`
Instance of XMLState
* :attr:`target_dir`
target directory path name
* :attr:`root_dir`
root directory path name
* :attr:`custom_args`
Custom processing arguments defined as hash keys:
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.requested_archive_type = xml_state.get_build_type_name()
self.result = Result(xml_state)
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.filename = self._target_file_for('tar.xz')
self.checksum = self._target_file_for('md5')
self.xz_options = custom_args['xz_options'] if custom_args \
and 'xz_options' in custom_args else None
self.runtime_config = RuntimeConfig()
def create(self):
"""
Create a root archive tarball
Build a simple XZ compressed root tarball from the image root tree
Image types which triggers this builder are:
* image="tbz"
"""
supported_archives = Defaults.get_archive_image_types()
if self.requested_archive_type not in supported_archives:
raise KiwiArchiveSetupError(
'Unknown archive type: %s' % self.requested_archive_type
)
if self.requested_archive_type == 'tbz':
log.info('Creating XZ compressed tar archive')
archive = ArchiveTar(
self._target_file_for('tar')
)
archive.create_xz_compressed(
self.root_dir, xz_options=self.xz_options,
exclude=Defaults.get_exclude_list_for_root_data_sync()
)
checksum = Checksum(self.filename)
log.info('--> Creating archive checksum')
checksum.md5(self.checksum)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.filename
)
self.result.add(
key='root_archive',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True
)
self.result.add(
key='root_archive_md5',
filename=self.checksum,
use_for_bundle=False
)
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
def _target_file_for(self, suffix):
return ''.join(
[
self.target_dir, '/',
self.xml_state.xml_data.get_name(),
'.' + platform.machine(),
'-' + self.xml_state.get_image_version(),
'.', suffix
]
)
class ContainerBuilder:
"""
**Container image builder**
:param object xml_state: Instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.custom_args = custom_args or {}
self.root_dir = root_dir
self.target_dir = target_dir
self.container_config = xml_state.get_container_config()
self.requested_container_type = xml_state.get_build_type_name()
self.base_image = None
self.base_image_md5 = None
self.container_config['xz_options'] = \
self.custom_args.get('xz_options')
self.container_config['metadata_path'] = \
xml_state.build_type.get_metadata_path()
if xml_state.get_derived_from_image_uri():
# The base image is expected to be unpacked by the kiwi
# prepare step and stored inside of the root_dir/image directory.
# In addition a md5 file of the image is expected too
self.base_image = Defaults.get_imported_root_image(self.root_dir)
self.base_image_md5 = ''.join([self.base_image, '.md5'])
if not os.path.exists(self.base_image):
raise KiwiContainerBuilderError(
'Unpacked Base image {0} not found'.format(
self.base_image))
if not os.path.exists(self.base_image_md5):
raise KiwiContainerBuilderError(
'Base image MD5 sum {0} not found at'.format(
self.base_image_md5))
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.filename = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + Defaults.get_platform_name(),
'-' + xml_state.get_image_version(), '.',
self.requested_container_type,
'.tar' if self.requested_container_type != 'appx' else ''
])
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Builds a container image which is usually a data archive
including container specific metadata.
Image types which triggers this builder are:
* image="docker"
* image="oci"
* image="appx"
:return: result
:rtype: instance of :class:`Result`
"""
if not self.base_image:
log.info('Setting up %s container', self.requested_container_type)
container_setup = ContainerSetup.new(self.requested_container_type,
self.root_dir,
self.container_config)
container_setup.setup()
else:
checksum = Checksum(self.base_image)
if not checksum.matches(checksum.md5(), self.base_image_md5):
raise KiwiContainerBuilderError(
'base image file {0} checksum validation failed'.format(
self.base_image))
log.info('--> Creating container image')
container_image = ContainerImage.new(self.requested_container_type,
self.root_dir,
self.container_config)
self.filename = container_image.create(self.filename, self.base_image)
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.filename)
self.result.add(key='container',
filename=self.filename,
use_for_bundle=True,
compress=False,
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
class FileSystemBuilder:
"""
**Filesystem image builder**
:param str label: filesystem label
:param str root_uuid: UUID of the created filesystem (on block device only)
:param str root_dir: root directory path name
:param str target_dir: target directory path name
:param str requested_image_type: configured image type
:param str requested_filesystem: requested filesystem name
:param obejct system_setup: instance of :class:`SystemSetup`
:param str filename: file name of the filesystem image
:param int blocksize: configured disk blocksize
:param object filesystem_setup: instance of :class:`FileSystemSetup`
:param object filesystems_no_device_node: List of filesystems which are
created from a data tree and do not require a block device e.g loop
:param dict filesystem_custom_parameters: Configured custom filesystem
mount and creation arguments
:param object result: instance of :class:`Result`
"""
def __init__(self, xml_state, target_dir, root_dir):
self.label = None
self.root_uuid = None
self.root_dir = root_dir
self.target_dir = target_dir
self.requested_image_type = xml_state.get_build_type_name()
if self.requested_image_type == 'pxe':
self.requested_filesystem = xml_state.build_type.get_filesystem()
else:
self.requested_filesystem = self.requested_image_type
if not self.requested_filesystem:
raise KiwiFileSystemSetupError(
'No filesystem configured in %s type' %
self.requested_image_type)
self.filesystem_custom_parameters = {
'mount_options': xml_state.get_fs_mount_option_list(),
'create_options': xml_state.get_fs_create_option_list()
}
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.filename = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + platform.machine(),
'-' + xml_state.get_image_version(), '.', self.requested_filesystem
])
self.blocksize = xml_state.build_type.get_target_blocksize()
self.filesystem_setup = FileSystemSetup(xml_state, root_dir)
self.filesystems_no_device_node = ['squashfs']
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a mountable filesystem image
Image types which triggers this builder are:
* image="ext2"
* image="ext3"
* image="ext4"
* image="btrfs"
* image="xfs"
:return: result
:rtype: instance of :class:`Result`
"""
log.info('Creating %s filesystem', self.requested_filesystem)
supported_filesystems = Defaults.get_filesystem_image_types()
if self.requested_filesystem not in supported_filesystems:
raise KiwiFileSystemSetupError('Unknown filesystem: %s' %
self.requested_filesystem)
if self.requested_filesystem not in self.filesystems_no_device_node:
self._operate_on_loop()
else:
self._operate_on_file()
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.filename)
self.result.add(
key='filesystem_image',
filename=self.filename,
use_for_bundle=True,
compress=self.runtime_config.get_bundle_compression(default=True),
shasum=True)
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def _operate_on_loop(self):
filesystem = None
loop_provider = LoopDevice(self.filename,
self.filesystem_setup.get_size_mbytes(),
self.blocksize)
loop_provider.create()
filesystem = FileSystem(self.requested_filesystem, loop_provider,
self.root_dir + os.sep,
self.filesystem_custom_parameters)
filesystem.create_on_device(self.label)
self.root_uuid = loop_provider.get_uuid(loop_provider.get_device())
log.info('--> Syncing data to filesystem on %s',
loop_provider.get_device())
filesystem.sync_data(Defaults.get_exclude_list_for_root_data_sync())
def _operate_on_file(self):
default_provider = DeviceProvider()
filesystem = FileSystem(self.requested_filesystem, default_provider,
self.root_dir,
self.filesystem_custom_parameters)
filesystem.create_on_file(
self.filename, self.label,
Defaults.get_exclude_list_for_root_data_sync())
def create(self) -> Result:
"""
Build a component image consisting out of a boot image(initrd)
plus its appropriate kernel files and the root filesystem
image with a checksum.
Image types which triggers this builder are:
* image="kis"
* image="pxe"
:raises KiwiKisBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
if self.filesystem:
log.info('Creating root filesystem image')
self.filesystem.create()
os.rename(
self.filesystem.filename, self.image_name
)
self.image = self.image_name
if self.compressed:
log.info('xz compressing root filesystem image')
compress = Compress(self.image)
compress.xz(self.xz_options)
self.image = compress.compressed_filename
log.info('Creating root filesystem MD5 checksum')
checksum = Checksum(self.image)
checksum.md5(self.checksum_name)
# prepare boot(initrd) root system
log.info('Creating boot image')
self.boot_image_task.prepare()
# export modprobe configuration to boot image
self.system_setup.export_modprobe_setup(
self.boot_image_task.boot_root_directory
)
# extract kernel from boot(initrd) root system
kernel = Kernel(self.boot_image_task.boot_root_directory)
kernel_data = kernel.get_kernel()
if kernel_data:
self.kernel_filename = ''.join(
[
os.path.basename(self.image_name), '-',
kernel_data.version, '.kernel'
]
)
kernel.copy_kernel(
self.target_dir, self.kernel_filename
)
else:
raise KiwiKisBootImageError(
'No kernel in boot image tree %s found' %
self.boot_image_task.boot_root_directory
)
# extract hypervisor from boot(initrd) root system
if self.xen_server:
hypervisor_data = kernel.get_xen_hypervisor()
if hypervisor_data:
self.hypervisor_filename = ''.join(
[
os.path.basename(self.image_name),
'-', hypervisor_data.name
]
)
kernel.copy_xen_hypervisor(
self.target_dir, self.hypervisor_filename
)
self.result.add(
key='xen_hypervisor',
filename=self.target_dir + '/' + self.hypervisor_filename,
use_for_bundle=True,
compress=False,
shasum=True
)
else:
raise KiwiKisBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image_task.boot_root_directory
)
# create initrd
self.boot_image_task.create_initrd()
# create append information
# this information helps to configure the deployment infrastructure
if self.filesystem and self.filesystem.root_uuid \
and self.initrd_system == 'dracut':
cmdline = 'root=UUID={}'.format(self.filesystem.root_uuid)
if self.custom_cmdline:
cmdline += ' {}'.format(self.custom_cmdline)
with open(self.append_file, 'w') as append:
append.write(cmdline)
# put results into a tarball
if not self.xz_options:
self.xz_options = Defaults.get_xz_compression_options()
kis_tarball_files = [
self.kernel_filename,
os.path.basename(self.boot_image_task.initrd_filename),
os.path.basename(self.checksum_name),
]
if self.image:
kis_tarball_files.append(os.path.basename(self.image))
if self.filesystem and self.filesystem.root_uuid \
and self.initrd_system == 'dracut':
kis_tarball_files.append(os.path.basename(self.append_file))
kis_tarball = ArchiveTar(
self.archive_name,
create_from_file_list=True,
file_list=kis_tarball_files
)
if self.compressed:
self.archive_name = kis_tarball.create(self.target_dir)
else:
self.archive_name = kis_tarball.create_xz_compressed(
self.target_dir, xz_options=self.xz_options
)
Result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.archive_name
)
# store results
self.result.add(
key='kis_archive',
filename=self.archive_name,
use_for_bundle=True,
compress=self.runtime_config.get_bundle_compression(
default=False
),
shasum=True
)
# create image root metadata
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir
),
use_for_bundle=True,
compress=True,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
class PxeBuilder(object):
"""
**Filesystem based PXE image builder.**
:param object xml_state: instance of :class:`XMLState`
:param str target_dir: target directory path name
:param str root_dir: system image root directory
:param dict custom_args: Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.target_dir = target_dir
self.compressed = xml_state.build_type.get_compressed()
self.xen_server = xml_state.is_xen_server()
self.pxedeploy = xml_state.get_build_type_pxedeploy_section()
self.filesystem = FileSystemBuilder(
xml_state, target_dir, root_dir + '/'
)
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=root_dir
)
self.boot_signing_keys = custom_args['signing_keys'] if custom_args \
and 'signing_keys' in custom_args else None
self.xz_options = custom_args['xz_options'] if custom_args \
and 'xz_options' in custom_args else None
self.boot_image_task = BootImage(
xml_state, target_dir,
signing_keys=self.boot_signing_keys, custom_args=custom_args
)
self.image_name = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + platform.machine(),
'-' + xml_state.get_image_version()
]
)
self.archive_name = ''.join([self.image_name, '.tar.xz'])
self.kernel_filename = None
self.hypervisor_filename = None
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a pxe image set consisting out of a boot image(initrd)
plus its appropriate kernel files and the root filesystem
image with a checksum. The result can be used within the kiwi
PXE boot infrastructure
Image types which triggers this builder are:
* image="pxe"
:raises KiwiPxeBootImageError: if no kernel or hipervisor is found
in boot image tree
:return: result
:rtype: instance of :class:`Result`
"""
log.info('Creating PXE root filesystem image')
self.filesystem.create()
os.rename(
self.filesystem.filename, self.image_name
)
self.image = self.image_name
if self.compressed:
log.info('xz compressing root filesystem image')
compress = Compress(self.image)
compress.xz(self.xz_options)
self.image = compress.compressed_filename
log.info('Creating PXE root filesystem MD5 checksum')
self.filesystem_checksum = ''.join([self.image, '.md5'])
checksum = Checksum(self.image)
checksum.md5(self.filesystem_checksum)
# prepare boot(initrd) root system
log.info('Creating PXE boot image')
self.boot_image_task.prepare()
# export modprobe configuration to boot image
self.system_setup.export_modprobe_setup(
self.boot_image_task.boot_root_directory
)
# extract kernel from boot(initrd) root system
kernel = Kernel(self.boot_image_task.boot_root_directory)
kernel_data = kernel.get_kernel()
if kernel_data:
self.kernel_filename = ''.join(
[
os.path.basename(self.image_name), '-',
kernel_data.version, '.kernel'
]
)
kernel.copy_kernel(
self.target_dir, self.kernel_filename
)
else:
raise KiwiPxeBootImageError(
'No kernel in boot image tree %s found' %
self.boot_image_task.boot_root_directory
)
# extract hypervisor from boot(initrd) root system
if self.xen_server:
kernel_data = kernel.get_xen_hypervisor()
if kernel_data:
self.hypervisor_filename = ''.join(
[os.path.basename(self.image_name), '-', kernel_data.name]
)
kernel.copy_xen_hypervisor(
self.target_dir, self.hypervisor_filename
)
self.result.add(
key='xen_hypervisor',
filename=self.target_dir + '/' + self.hypervisor_filename,
use_for_bundle=True,
compress=False,
shasum=True
)
else:
raise KiwiPxeBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image_task.boot_root_directory
)
# create initrd for pxe boot
self.boot_image_task.create_initrd()
# put results into a tarball
if not self.xz_options:
self.xz_options = Defaults.get_xz_compression_options()
bash_command = [
'tar', '-C', self.target_dir, '-c', '--to-stdout'
] + [
self.kernel_filename,
os.path.basename(self.boot_image_task.initrd_filename),
os.path.basename(self.image),
os.path.basename(self.filesystem_checksum)
] + [
'|', 'xz', '-f'
] + self.xz_options + [
'>', self.archive_name
]
Command.run(['bash', '-c', ' '.join(bash_command)])
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.archive_name
)
# store results
self.result.add(
key='pxe_archive',
filename=self.archive_name,
use_for_bundle=True,
compress=False,
shasum=True
)
# create image root metadata
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
if self.pxedeploy:
log.warning(
'Creation of client config file from pxedeploy not implemented'
)
return self.result
class FileSystemBuilder(object):
"""
**Filesystem image builder**
:param str label: filesystem label
:param str root_dir: root directory path name
:param str target_dir: target directory path name
:param str requested_image_type: configured image type
:param str requested_filesystem: requested filesystem name
:param obejct system_setup: instance of :class:`SystemSetup`
:param str filename: file name of the filesystem image
:param int blocksize: configured disk blocksize
:param object filesystem_setup: instance of :class:`FileSystemSetup`
:param object filesystems_no_device_node: List of filesystems which are
created from a data tree and do not require a block device e.g loop
:param dict filesystem_custom_parameters: Configured custom filesystem
mount and creation arguments
:param object result: instance of :class:`Result`
"""
def __init__(self, xml_state, target_dir, root_dir):
self.label = None
self.root_dir = root_dir
self.target_dir = target_dir
self.requested_image_type = xml_state.get_build_type_name()
if self.requested_image_type == 'pxe':
self.requested_filesystem = xml_state.build_type.get_filesystem()
else:
self.requested_filesystem = self.requested_image_type
if not self.requested_filesystem:
raise KiwiFileSystemSetupError(
'No filesystem configured in %s type' %
self.requested_image_type
)
self.filesystem_custom_parameters = {
'mount_options': xml_state.get_fs_mount_option_list()
}
self.system_setup = SystemSetup(
xml_state=xml_state, root_dir=self.root_dir
)
self.filename = ''.join(
[
target_dir, '/',
xml_state.xml_data.get_name(),
'.' + platform.machine(),
'-' + xml_state.get_image_version(),
'.', self.requested_filesystem
]
)
self.blocksize = xml_state.build_type.get_target_blocksize()
self.filesystem_setup = FileSystemSetup(xml_state, root_dir)
self.filesystems_no_device_node = [
'squashfs'
]
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a mountable filesystem image
Image types which triggers this builder are:
* image="ext2"
* image="ext3"
* image="ext4"
* image="btrfs"
* image="xfs"
:return: result
:rtype: instance of :class:`Result`
"""
log.info(
'Creating %s filesystem', self.requested_filesystem
)
supported_filesystems = Defaults.get_filesystem_image_types()
if self.requested_filesystem not in supported_filesystems:
raise KiwiFileSystemSetupError(
'Unknown filesystem: %s' % self.requested_filesystem
)
if self.requested_filesystem not in self.filesystems_no_device_node:
self._operate_on_loop()
else:
self._operate_on_file()
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(),
self.filename
)
self.result.add(
key='filesystem_image',
filename=self.filename,
use_for_bundle=True,
compress=True,
shasum=True
)
self.result.add(
key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
self.result.add(
key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir
),
use_for_bundle=True,
compress=False,
shasum=False
)
return self.result
def _operate_on_loop(self):
filesystem = None
loop_provider = LoopDevice(
self.filename,
self.filesystem_setup.get_size_mbytes(),
self.blocksize
)
loop_provider.create()
filesystem = FileSystem(
self.requested_filesystem, loop_provider,
self.root_dir, self.filesystem_custom_parameters
)
filesystem.create_on_device(self.label)
log.info(
'--> Syncing data to filesystem on %s', loop_provider.get_device()
)
exclude_list = [
'image', '.profile', '.kconfig',
Defaults.get_shared_cache_location()
]
filesystem.sync_data(exclude_list)
def _operate_on_file(self):
default_provider = DeviceProvider()
filesystem = FileSystem(
self.requested_filesystem, default_provider,
self.root_dir, self.filesystem_custom_parameters
)
filesystem.create_on_file(
self.filename, self.label
)
class DiskBuilder:
"""
**Disk image builder**
:param object xml_state: Instance of :class:`XMLState`
:param str target_dir: Target directory path name
:param str root_dir: Root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.arch = platform.machine()
if self.arch == 'i686' or self.arch == 'i586':
self.arch = 'ix86'
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.spare_part_mbsize = xml_state.get_build_type_spare_part_size()
self.spare_part_fs = xml_state.build_type.get_spare_part_fs()
self.spare_part_is_last = xml_state.build_type.get_spare_part_is_last()
self.spare_part_mountpoint = \
xml_state.build_type.get_spare_part_mountpoint()
self.persistency_type = xml_state.build_type.get_devicepersistency()
self.root_filesystem_is_overlay = xml_state.build_type.get_overlayroot(
)
self.custom_root_mount_args = xml_state.get_fs_mount_option_list()
self.custom_root_creation_args = xml_state.get_fs_create_option_list()
self.build_type_name = xml_state.get_build_type_name()
self.image_format = xml_state.build_type.get_format()
self.install_iso = xml_state.build_type.get_installiso()
self.install_stick = xml_state.build_type.get_installstick()
self.install_pxe = xml_state.build_type.get_installpxe()
self.blocksize = xml_state.build_type.get_target_blocksize()
self.volume_manager_name = xml_state.get_volume_management()
self.volumes = xml_state.get_volumes()
self.volume_group_name = xml_state.get_volume_group_name()
self.mdraid = xml_state.build_type.get_mdraid()
self.hybrid_mbr = xml_state.build_type.get_gpt_hybrid_mbr()
self.force_mbr = xml_state.build_type.get_force_mbr()
self.luks = xml_state.build_type.get_luks()
self.luks_os = xml_state.build_type.get_luksOS()
self.xen_server = xml_state.is_xen_server()
self.requested_filesystem = xml_state.build_type.get_filesystem()
self.requested_boot_filesystem = \
xml_state.build_type.get_bootfilesystem()
self.bootloader = xml_state.build_type.get_bootloader()
self.initrd_system = xml_state.get_initrd_system()
self.target_removable = xml_state.build_type.get_target_removable()
self.root_filesystem_is_multipath = \
xml_state.get_oemconfig_oem_multipath_scan()
self.disk_setup = DiskSetup(xml_state, root_dir)
self.unpartitioned_bytes = \
xml_state.get_build_type_unpartitioned_bytes()
self.custom_args = custom_args
self.signing_keys = None
if custom_args and 'signing_keys' in custom_args:
self.signing_keys = custom_args['signing_keys']
self.boot_image = BootImage(xml_state,
target_dir,
root_dir,
signing_keys=self.signing_keys)
self.firmware = FirmWare(xml_state)
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.diskname = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + self.arch,
'-' + xml_state.get_image_version(), '.raw'
])
self.boot_is_crypto = True if self.luks and not \
self.disk_setup.need_boot_partition() else False
self.install_media = self._install_image_requested()
self.generic_fstab_entries = []
# an instance of a class with the sync_data capability
# representing the entire image system except for the boot/ area
# which could live on another part of the disk
self.system = None
# an instance of a class with the sync_data capability
# representing the boot/ area of the disk if not part of
# self.system
self.system_boot = None
# an instance of a class with the sync_data capability
# representing the boot/efi area of the disk
self.system_efi = None
# an instance of a class with the sync_data capability
# representing the spare_part_mountpoint area of the disk
self.system_spare = None
# result store
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a bootable disk image and optional installation image
The installation image is a bootable hybrid ISO image which
embeds the disk image and an image installer
Image types which triggers this builder are:
* image="oem"
* image="vmx"
:return: result
:rtype: instance of :class:`Result`
"""
disk = DiskBuilder(self.xml_state, self.target_dir, self.root_dir,
self.custom_args)
result = disk.create_disk()
# cleanup disk resources taken prior to next steps
del disk
disk_installer = DiskBuilder(self.xml_state, self.target_dir,
self.root_dir)
result = disk_installer.create_install_media(result)
disk_format = DiskBuilder(self.xml_state, self.target_dir,
self.root_dir)
disk_format.append_unpartitioned_space()
result = disk_format.create_disk_format(result)
return result
def create_disk(self): # noqa: C901
"""
Build a bootable raw disk image
:raises KiwiInstallMediaError:
if install media is required and image type is not oem
:raises KiwiVolumeManagerSetupError:
root overlay at the same time volumes are defined is not supported
:return: result
:rtype: instance of :class:`Result`
"""
if self.install_media and self.build_type_name != 'oem':
raise KiwiInstallMediaError(
'Install media requires oem type setup, got %s' %
self.build_type_name)
if self.root_filesystem_is_overlay and self.volume_manager_name:
raise KiwiVolumeManagerSetupError(
'Volume management together with root overlay is not supported'
)
# setup recovery archive, cleanup and create archive if requested
self.system_setup.create_recovery_archive()
# prepare boot(initrd) root system
log.info('Preparing boot system')
self.boot_image.prepare()
# precalculate needed disk size
disksize_mbytes = self.disk_setup.get_disksize_mbytes()
# create the disk
log.info('Creating raw disk image %s', self.diskname)
loop_provider = LoopDevice(self.diskname, disksize_mbytes,
self.blocksize)
loop_provider.create()
self.disk = Disk(self.firmware.get_partition_table_type(),
loop_provider, self.xml_state.get_disk_start_sector())
# create the bootloader instance
self.bootloader_config = BootLoaderConfig(
self.bootloader,
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.root_dir,
custom_args={
'targetbase':
loop_provider.get_device(),
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir),
'boot_is_crypto':
self.boot_is_crypto
})
# create disk partitions and instance device map
device_map = self._build_and_map_disk_partitions(disksize_mbytes)
# create raid on current root device if requested
if self.mdraid:
self.raid_root = RaidDevice(device_map['root'])
self.raid_root.create_degraded_raid(raid_level=self.mdraid)
device_map['root'] = self.raid_root.get_device()
self.disk.public_partition_id_map['kiwi_RaidPart'] = \
self.disk.public_partition_id_map['kiwi_RootPart']
self.disk.public_partition_id_map['kiwi_RaidDev'] = \
device_map['root'].get_device()
# create luks on current root device if requested
if self.luks:
self.luks_root = LuksDevice(device_map['root'])
self.luks_boot_keyname = '/.root.keyfile'
self.luks_boot_keyfile = ''.join(
[self.root_dir, self.luks_boot_keyname])
self.luks_root.create_crypto_luks(passphrase=self.luks,
os=self.luks_os,
keyfile=self.luks_boot_keyfile
if self.boot_is_crypto else None)
if self.boot_is_crypto:
self.luks_boot_keyfile_setup = ''.join(
[self.root_dir, '/etc/dracut.conf.d/99-luks-boot.conf'])
self.boot_image.write_system_config_file(
config={'install_items': [self.luks_boot_keyname]},
config_file=self.luks_boot_keyfile_setup)
self.boot_image.include_file(
os.sep + os.path.basename(self.luks_boot_keyfile))
device_map['luks_root'] = device_map['root']
device_map['root'] = self.luks_root.get_device()
# create spare filesystem on spare partition if present
self._build_spare_filesystem(device_map)
# create filesystems on boot partition(s) if any
self._build_boot_filesystems(device_map)
# create volumes and filesystems for root system
if self.volume_manager_name:
volume_manager_custom_parameters = {
'fs_mount_options':
self.custom_root_mount_args,
'fs_create_options':
self.custom_root_creation_args,
'root_label':
self.disk_setup.get_root_label(),
'root_is_snapshot':
self.xml_state.build_type.get_btrfs_root_is_snapshot(),
'root_is_readonly_snapshot':
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot(
),
'quota_groups':
self.xml_state.build_type.get_btrfs_quota_groups(),
'image_type':
self.xml_state.get_build_type_name()
}
volume_manager = VolumeManager(self.volume_manager_name,
device_map['root'],
self.root_dir + '/', self.volumes,
volume_manager_custom_parameters)
volume_manager.setup(self.volume_group_name)
volume_manager.create_volumes(self.requested_filesystem)
volume_manager.mount_volumes()
self.generic_fstab_entries += volume_manager.get_fstab(
self.persistency_type, self.requested_filesystem)
self.system = volume_manager
device_map['root'] = volume_manager.get_device()['root']
else:
log.info('Creating root(%s) filesystem on %s',
self.requested_filesystem,
device_map['root'].get_device())
filesystem_custom_parameters = {
'mount_options': self.custom_root_mount_args,
'create_options': self.custom_root_creation_args
}
filesystem = FileSystem(self.requested_filesystem,
device_map['root'], self.root_dir + '/',
filesystem_custom_parameters)
filesystem.create_on_device(label=self.disk_setup.get_root_label())
self.system = filesystem
# create a random image identifier
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
# create first stage metadata to boot image
self._write_partition_id_config_to_boot_image()
self._write_recovery_metadata_to_boot_image()
self._write_raid_config_to_boot_image()
self._write_generic_fstab_to_boot_image(device_map)
self.system_setup.export_modprobe_setup(
self.boot_image.boot_root_directory)
# create first stage metadata to system image
self._write_image_identifier_to_system_image()
self._write_crypttab_to_system_image()
self._write_generic_fstab_to_system_image(device_map)
if self.initrd_system == 'dracut':
if self.root_filesystem_is_multipath is False:
self.boot_image.omit_module('multipath')
if self.root_filesystem_is_overlay:
self.boot_image.include_module('kiwi-overlay')
self.boot_image.write_system_config_file(
config={'modules': ['kiwi-overlay']})
if self.build_type_name == 'oem':
self.boot_image.include_module('kiwi-repart')
# create initrd cpio archive
self.boot_image.create_initrd(self.mbrid)
# create second stage metadata to system image
self._copy_first_boot_files_to_system_image()
self._write_bootloader_meta_data_to_system_image(device_map)
self.mbrid.write_to_disk(self.disk.storage_provider)
# set SELinux file security contexts if context exists
self._setup_selinux_file_contexts()
# syncing system data to disk image
log.info('Syncing system to image')
if self.system_spare:
self.system_spare.sync_data()
if self.system_efi:
log.info('--> Syncing EFI boot data to EFI partition')
self.system_efi.sync_data()
if self.system_boot:
log.info('--> Syncing boot data at extra partition')
self.system_boot.sync_data(
self._get_exclude_list_for_boot_data_sync())
log.info('--> Syncing root filesystem data')
if self.root_filesystem_is_overlay:
squashed_root_file = NamedTemporaryFile()
squashed_root = FileSystemSquashFs(device_provider=None,
root_dir=self.root_dir)
squashed_root.create_on_file(
filename=squashed_root_file.name,
exclude=self._get_exclude_list_for_root_data_sync(device_map))
Command.run([
'dd',
'if=%s' % squashed_root_file.name,
'of=%s' % device_map['readonly'].get_device()
])
else:
self.system.sync_data(
self._get_exclude_list_for_root_data_sync(device_map))
# install boot loader
self._install_bootloader(device_map)
# set root filesystem properties
self._setup_property_root_is_readonly_snapshot()
# prepare for install media if requested
if self.install_media:
log.info('Saving boot image instance to file')
self.boot_image.dump(self.target_dir + '/boot_image.pickledump')
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.diskname)
# store image file name in result
self.result.add(
key='disk_image',
filename=self.diskname,
use_for_bundle=True if not self.image_format else False,
compress=self.runtime_config.get_bundle_compression(default=True),
shasum=True)
# create image root metadata
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def create_disk_format(self, result_instance):
"""
Create a bootable disk format from a previously
created raw disk image
:param object result_instance: instance of :class:`Result`
:return: updated result_instance
:rtype: instance of :class:`Result`
"""
if self.image_format:
log.info('Creating %s Disk Format', self.image_format)
disk_format = DiskFormat(self.image_format, self.xml_state,
self.root_dir, self.target_dir)
disk_format.create_image_format()
disk_format.store_to_result(result_instance)
return result_instance
def append_unpartitioned_space(self):
"""
Extends the raw disk if an unpartitioned area is specified
"""
if self.unpartitioned_bytes:
log.info('Expanding disk with %d bytes of unpartitioned space',
self.unpartitioned_bytes)
disk_format = DiskFormat('raw', self.xml_state, self.root_dir,
self.target_dir)
disk_format.resize_raw_disk(self.unpartitioned_bytes, append=True)
firmware = FirmWare(self.xml_state)
loop_provider = LoopDevice(disk_format.diskname)
loop_provider.create(overwrite=False)
partitioner = Partitioner(firmware.get_partition_table_type(),
loop_provider)
partitioner.resize_table()
def create_install_media(self, result_instance):
"""
Build an installation image. The installation image is a
bootable hybrid ISO image which embeds the raw disk image
and an image installer
:param object result_instance: instance of :class:`Result`
:return: updated result_instance with installation media
:rtype: instance of :class:`Result`
"""
if self.install_media:
install_image = InstallImageBuilder(
self.xml_state, self.root_dir, self.target_dir,
self._load_boot_image_instance(), self.custom_args)
if self.install_iso or self.install_stick:
log.info('Creating hybrid ISO installation image')
install_image.create_install_iso()
result_instance.add(key='installation_image',
filename=install_image.isoname,
use_for_bundle=True,
compress=False,
shasum=True)
if self.install_pxe:
log.info('Creating PXE installation archive')
install_image.create_install_pxe_archive()
result_instance.add(key='installation_pxe_archive',
filename=install_image.pxename,
use_for_bundle=True,
compress=False,
shasum=True)
return result_instance
def _load_boot_image_instance(self):
boot_image_dump_file = self.target_dir + '/boot_image.pickledump'
if not os.path.exists(boot_image_dump_file):
raise KiwiInstallMediaError(
'No boot image instance dump %s found' % boot_image_dump_file)
try:
with open(boot_image_dump_file, 'rb') as boot_image_dump:
boot_image = pickle.load(boot_image_dump)
boot_image.enable_cleanup()
Path.wipe(boot_image_dump_file)
except Exception as e:
raise KiwiInstallMediaError('Failed to load boot image dump: %s' %
type(e).__name__)
return boot_image
def _setup_selinux_file_contexts(self):
security_context = '/etc/selinux/targeted/contexts/files/file_contexts'
if os.path.exists(self.root_dir + security_context):
self.system_setup.set_selinux_file_contexts(security_context)
def _install_image_requested(self):
if self.install_iso or self.install_stick or self.install_pxe:
return True
def _get_exclude_list_for_root_data_sync(self, device_map):
exclude_list = Defaults.get_exclude_list_for_root_data_sync()
if 'spare' in device_map and self.spare_part_mountpoint:
exclude_list.append('{0}/*'.format(
self.spare_part_mountpoint.lstrip(os.sep)))
exclude_list.append('{0}/.*'.format(
self.spare_part_mountpoint.lstrip(os.sep)))
if 'boot' in device_map and self.bootloader == 'grub2_s390x_emu':
exclude_list.append('boot/zipl/*')
exclude_list.append('boot/zipl/.*')
elif 'boot' in device_map:
exclude_list.append('boot/*')
exclude_list.append('boot/.*')
if 'efi' in device_map:
exclude_list.append('boot/efi/*')
exclude_list.append('boot/efi/.*')
return exclude_list
def _get_exclude_list_for_boot_data_sync(self):
return ['efi/*']
def _build_spare_filesystem(self, device_map):
if 'spare' in device_map and self.spare_part_fs:
spare_part_data_path = None
if self.spare_part_mountpoint:
spare_part_data_path = self.root_dir + '{0}/'.format(
self.spare_part_mountpoint)
filesystem = FileSystem(self.spare_part_fs, device_map['spare'],
spare_part_data_path)
filesystem.create_on_device(label='SPARE')
self.system_spare = filesystem
def _build_boot_filesystems(self, device_map):
if 'efi' in device_map:
log.info('Creating EFI(fat16) filesystem on %s',
device_map['efi'].get_device())
filesystem = FileSystem('fat16', device_map['efi'],
self.root_dir + '/boot/efi/')
filesystem.create_on_device(label=self.disk_setup.get_efi_label())
self.system_efi = filesystem
if 'boot' in device_map:
boot_filesystem = self.requested_boot_filesystem
if not boot_filesystem:
boot_filesystem = self.requested_filesystem
boot_directory = self.root_dir + '/boot/'
if self.bootloader == 'grub2_s390x_emu':
boot_directory = self.root_dir + '/boot/zipl/'
boot_filesystem = 'ext2'
log.info('Creating boot(%s) filesystem on %s', boot_filesystem,
device_map['boot'].get_device())
filesystem = FileSystem(boot_filesystem, device_map['boot'],
boot_directory)
filesystem.create_on_device(label=self.disk_setup.get_boot_label())
self.system_boot = filesystem
def _build_and_map_disk_partitions(self, disksize_mbytes): # noqa: C901
self.disk.wipe()
disksize_used_mbytes = 0
if self.firmware.legacy_bios_mode():
log.info('--> creating EFI CSM(legacy bios) partition')
partition_mbsize = self.firmware.get_legacy_bios_partition_size()
self.disk.create_efi_csm_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.firmware.efi_mode():
log.info('--> creating EFI partition')
partition_mbsize = self.firmware.get_efi_partition_size()
self.disk.create_efi_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.firmware.ofw_mode():
log.info('--> creating PReP partition')
partition_mbsize = self.firmware.get_prep_partition_size()
self.disk.create_prep_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.disk_setup.need_boot_partition():
log.info('--> creating boot partition')
partition_mbsize = self.disk_setup.boot_partition_size()
self.disk.create_boot_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.spare_part_mbsize and not self.spare_part_is_last:
log.info('--> creating spare partition')
self.disk.create_spare_partition(self.spare_part_mbsize)
if self.root_filesystem_is_overlay:
log.info('--> creating readonly root partition')
squashed_root_file = NamedTemporaryFile()
squashed_root = FileSystemSquashFs(device_provider=None,
root_dir=self.root_dir)
squashed_root.create_on_file(
filename=squashed_root_file.name,
exclude=[Defaults.get_shared_cache_location()])
squashed_rootfs_mbsize = int(
os.path.getsize(squashed_root_file.name) /
1048576) + Defaults.get_min_partition_mbytes()
self.disk.create_root_readonly_partition(squashed_rootfs_mbsize)
disksize_used_mbytes += squashed_rootfs_mbsize
if self.spare_part_mbsize and self.spare_part_is_last:
rootfs_mbsize = disksize_mbytes - disksize_used_mbytes - \
self.spare_part_mbsize - Defaults.get_min_partition_mbytes()
else:
rootfs_mbsize = 'all_free'
if self.volume_manager_name and self.volume_manager_name == 'lvm':
log.info('--> creating LVM root partition')
self.disk.create_root_lvm_partition(rootfs_mbsize)
elif self.mdraid:
log.info('--> creating mdraid root partition')
self.disk.create_root_raid_partition(rootfs_mbsize)
else:
log.info('--> creating root partition')
self.disk.create_root_partition(rootfs_mbsize)
if self.spare_part_mbsize and self.spare_part_is_last:
log.info('--> creating spare partition')
self.disk.create_spare_partition('all_free')
if self.firmware.bios_mode():
log.info('--> setting active flag to primary boot partition')
self.disk.activate_boot_partition()
if self.firmware.ofw_mode():
log.info('--> setting active flag to primary PReP partition')
self.disk.activate_boot_partition()
if self.firmware.efi_mode():
if self.force_mbr:
log.info('--> converting partition table to MBR')
self.disk.create_mbr()
elif self.hybrid_mbr:
log.info('--> converting partition table to hybrid GPT/MBR')
self.disk.create_hybrid_mbr()
self.disk.map_partitions()
return self.disk.get_device()
def _write_partition_id_config_to_boot_image(self):
log.info('Creating config.partids in boot system')
filename = ''.join(
[self.boot_image.boot_root_directory, '/config.partids'])
partition_id_map = self.disk.get_public_partition_id_map()
with open(filename, 'w') as partids:
for id_name, id_value in list(partition_id_map.items()):
partids.write('{0}="{1}"{2}'.format(id_name, id_value,
os.linesep))
self.boot_image.include_file(os.sep + os.path.basename(filename))
def _write_raid_config_to_boot_image(self):
if self.mdraid:
log.info('Creating etc/mdadm.conf in boot system')
filename = ''.join(
[self.boot_image.boot_root_directory, '/etc/mdadm.conf'])
self.raid_root.create_raid_config(filename)
self.boot_image.include_file(
os.sep + os.sep.join(['etc', os.path.basename(filename)]))
def _write_crypttab_to_system_image(self):
if self.luks:
log.info('Creating etc/crypttab')
filename = ''.join([self.root_dir, '/etc/crypttab'])
self.luks_root.create_crypttab(filename)
self.boot_image.include_file(
os.sep + os.sep.join(['etc', os.path.basename(filename)]))
def _write_generic_fstab_to_system_image(self, device_map):
log.info('Creating generic system etc/fstab')
self._write_generic_fstab(device_map, self.system_setup)
def _write_generic_fstab_to_boot_image(self, device_map):
if self.initrd_system == 'kiwi':
log.info('Creating generic boot image etc/fstab')
self._write_generic_fstab(device_map, self.boot_image.setup)
def _write_generic_fstab(self, device_map, setup):
root_is_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_snapshot()
root_is_readonly_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot()
fs_check_interval = '1 1'
custom_root_mount_args = list(self.custom_root_mount_args)
if root_is_snapshot and root_is_readonly_snapshot:
custom_root_mount_args += ['ro']
fs_check_interval = '0 0'
self._add_generic_fstab_entry(device_map['root'].get_device(), '/',
custom_root_mount_args,
fs_check_interval)
if 'spare' in device_map and \
self.spare_part_fs and self.spare_part_mountpoint:
self._add_generic_fstab_entry(device_map['spare'].get_device(),
self.spare_part_mountpoint)
if 'boot' in device_map:
if self.bootloader == 'grub2_s390x_emu':
boot_mount_point = '/boot/zipl'
else:
boot_mount_point = '/boot'
self._add_generic_fstab_entry(device_map['boot'].get_device(),
boot_mount_point)
if 'efi' in device_map:
self._add_generic_fstab_entry(device_map['efi'].get_device(),
'/boot/efi')
setup.create_fstab(self.generic_fstab_entries)
def _add_generic_fstab_entry(self,
device,
mount_point,
options=None,
check='0 0'):
if not options:
options = ['defaults']
block_operation = BlockID(device)
blkid_type = 'LABEL' if self.persistency_type == 'by-label' else 'UUID'
device_id = block_operation.get_blkid(blkid_type)
fstab_entry = ' '.join([
blkid_type + '=' + device_id, mount_point,
block_operation.get_filesystem(), ','.join(options), check
])
if fstab_entry not in self.generic_fstab_entries:
self.generic_fstab_entries.append(fstab_entry)
def _write_image_identifier_to_system_image(self):
log.info('Creating image identifier: %s', self.mbrid.get_id())
self.mbrid.write(self.root_dir + '/boot/mbrid')
def _write_recovery_metadata_to_boot_image(self):
if os.path.exists(self.root_dir + '/recovery.partition.size'):
log.info('Copying recovery metadata to boot image')
recovery_metadata = ''.join(
[self.root_dir, '/recovery.partition.size'])
Command.run(
['cp', recovery_metadata, self.boot_image.boot_root_directory])
self.boot_image.include_file(os.sep +
os.path.basename(recovery_metadata))
def _write_bootloader_meta_data_to_system_image(self, device_map):
if self.bootloader != 'custom':
log.info('Creating %s bootloader configuration', self.bootloader)
boot_options = []
if self.mdraid:
boot_options.append('rd.auto')
root_device = device_map['root']
boot_device = root_device
if 'boot' in device_map:
boot_device = device_map['boot']
root_uuid = self.disk.get_uuid(device_map['root'].get_device())
boot_uuid = self.disk.get_uuid(boot_device.get_device())
boot_uuid_unmapped = self.disk.get_uuid(
device_map['luks_root'].get_device(
)) if self.luks else boot_uuid
self.bootloader_config.setup_disk_boot_images(boot_uuid_unmapped)
self.bootloader_config.write_meta_data(
root_uuid=root_uuid, boot_options=' '.join(boot_options))
log.info('Creating config.bootoptions')
filename = ''.join(
[self.boot_image.boot_root_directory, '/config.bootoptions'])
kexec_boot_options = ' '.join(
[self.bootloader_config.get_boot_cmdline(root_uuid)] +
boot_options)
with open(filename, 'w') as boot_options:
boot_options.write('{0}{1}'.format(kexec_boot_options,
os.linesep))
partition_id_map = self.disk.get_public_partition_id_map()
boot_partition_id = partition_id_map['kiwi_RootPart']
if 'kiwi_BootPart' in partition_id_map:
boot_partition_id = partition_id_map['kiwi_BootPart']
self.system_setup.call_edit_boot_config_script(
self.requested_filesystem, boot_partition_id)
def _install_bootloader(self, device_map):
root_device = device_map['root']
boot_device = root_device
if 'boot' in device_map:
boot_device = device_map['boot']
if 'readonly' in device_map:
root_device = device_map['readonly']
custom_install_arguments = {
'boot_device': boot_device.get_device(),
'root_device': root_device.get_device(),
'firmware': self.firmware,
'target_removable': self.target_removable
}
if 'efi' in device_map:
efi_device = device_map['efi']
custom_install_arguments.update(
{'efi_device': efi_device.get_device()})
if 'prep' in device_map:
prep_device = device_map['prep']
custom_install_arguments.update(
{'prep_device': prep_device.get_device()})
if self.volume_manager_name:
self.system.umount_volumes()
custom_install_arguments.update(
{'system_volumes': self.system.get_volumes()})
# create bootloader config prior bootloader installation
self.bootloader_config.setup_disk_image_config(
boot_options=custom_install_arguments)
# cleanup bootloader config resources taken prior to next steps
del self.bootloader_config
if self.bootloader != 'custom':
log.debug("custom arguments for bootloader installation %s",
custom_install_arguments)
bootloader = BootLoaderInstall(self.bootloader, self.root_dir,
self.disk.storage_provider,
custom_install_arguments)
if bootloader.install_required():
bootloader.install()
self.system_setup.call_edit_boot_install_script(
self.diskname, boot_device.get_device())
def _setup_property_root_is_readonly_snapshot(self):
if self.volume_manager_name:
root_is_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_snapshot()
root_is_readonly_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot()
if root_is_snapshot and root_is_readonly_snapshot:
log.info('Setting root filesystem into read-only mode')
self.system.mount_volumes()
self.system.set_property_readonly_root()
self.system.umount_volumes()
def _copy_first_boot_files_to_system_image(self):
boot_names = self.boot_image.get_boot_names()
if self.initrd_system == 'kiwi':
log.info('Copy boot files to system image')
kernel = Kernel(self.boot_image.boot_root_directory)
log.info('--> boot image kernel as %s', boot_names.kernel_name)
kernel.copy_kernel(self.root_dir,
''.join(['/boot/', boot_names.kernel_name]))
if self.xen_server:
if kernel.get_xen_hypervisor():
log.info('--> boot image Xen hypervisor as xen.gz')
kernel.copy_xen_hypervisor(self.root_dir, '/boot/xen.gz')
else:
raise KiwiDiskBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image.boot_root_directory)
log.info('--> initrd archive as %s', boot_names.initrd_name)
Command.run([
'mv', self.boot_image.initrd_filename,
self.root_dir + ''.join(['/boot/', boot_names.initrd_name])
])
def create_disk(self):
"""
Build a bootable raw disk image
:raises KiwiInstallMediaError:
if install media is required and image type is not oem
:raises KiwiVolumeManagerSetupError:
root overlay at the same time volumes are defined is not supported
:return: result
:rtype: instance of :class:`Result`
"""
if self.install_media and self.build_type_name != 'oem':
raise KiwiInstallMediaError(
'Install media requires oem type setup, got {0}'.format(
self.build_type_name))
if self.root_filesystem_is_overlay and self.volume_manager_name:
raise KiwiVolumeManagerSetupError(
'Volume management together with root overlay is not supported'
)
# setup recovery archive, cleanup and create archive if requested
self.system_setup.create_recovery_archive()
# prepare boot(initrd) root system
log.info('Preparing boot system')
self.boot_image.prepare()
# precalculate needed disk size
disksize_mbytes = self.disk_setup.get_disksize_mbytes()
# create the disk
log.info('Creating raw disk image %s', self.diskname)
self.loop_provider = LoopDevice(self.diskname, disksize_mbytes,
self.blocksize)
self.loop_provider.create()
self.disk = Disk(self.firmware.get_partition_table_type(),
self.loop_provider,
self.xml_state.get_disk_start_sector())
# create the bootloader instance
if self.bootloader != 'custom':
self.bootloader_config = BootLoaderConfig.new(
self.bootloader,
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.root_dir,
custom_args={
'targetbase':
self.loop_provider.get_device(),
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir),
'boot_is_crypto':
self.boot_is_crypto
})
# create disk partitions and instance device map
device_map = self._build_and_map_disk_partitions(disksize_mbytes)
# create raid on current root device if requested
if self.mdraid:
self.raid_root = RaidDevice(device_map['root'])
self.raid_root.create_degraded_raid(raid_level=self.mdraid)
device_map['root'] = self.raid_root.get_device()
self.disk.public_partition_id_map['kiwi_RaidPart'] = \
self.disk.public_partition_id_map['kiwi_RootPart']
self.disk.public_partition_id_map['kiwi_RaidDev'] = \
device_map['root'].get_device()
# create luks on current root device if requested
if self.luks:
self.luks_root = LuksDevice(device_map['root'])
self.luks_boot_keyname = '/.root.keyfile'
self.luks_boot_keyfile = ''.join(
[self.root_dir, self.luks_boot_keyname])
self.luks_root.create_crypto_luks(passphrase=self.luks,
os=self.luks_os,
keyfile=self.luks_boot_keyfile
if self.boot_is_crypto else None)
if self.boot_is_crypto:
self.luks_boot_keyfile_setup = ''.join(
[self.root_dir, '/etc/dracut.conf.d/99-luks-boot.conf'])
self.boot_image.write_system_config_file(
config={'install_items': [self.luks_boot_keyname]},
config_file=self.luks_boot_keyfile_setup)
self.boot_image.include_file(
os.sep + os.path.basename(self.luks_boot_keyfile))
device_map['luks_root'] = device_map['root']
device_map['root'] = self.luks_root.get_device()
# create spare filesystem on spare partition if present
self._build_spare_filesystem(device_map)
# create filesystems on boot partition(s) if any
self._build_boot_filesystems(device_map)
# create volumes and filesystems for root system
if self.volume_manager_name:
volume_manager_custom_parameters = {
'fs_mount_options':
self.custom_root_mount_args,
'fs_create_options':
self.custom_root_creation_args,
'root_label':
self.disk_setup.get_root_label(),
'root_is_snapshot':
self.xml_state.build_type.get_btrfs_root_is_snapshot(),
'root_is_readonly_snapshot':
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot(
),
'quota_groups':
self.xml_state.build_type.get_btrfs_quota_groups(),
'resize_on_boot':
self.disk_resize_requested
}
self.volume_manager = VolumeManager.new(
self.volume_manager_name, device_map, self.root_dir + '/',
self.volumes, volume_manager_custom_parameters)
self.volume_manager.setup(self.volume_group_name)
self.volume_manager.create_volumes(self.requested_filesystem)
self.volume_manager.mount_volumes()
self.system = self.volume_manager
device_map['root'] = self.volume_manager.get_device().get('root')
device_map['swap'] = self.volume_manager.get_device().get('swap')
else:
log.info('Creating root(%s) filesystem on %s',
self.requested_filesystem,
device_map['root'].get_device())
filesystem_custom_parameters = {
'mount_options': self.custom_root_mount_args,
'create_options': self.custom_root_creation_args
}
filesystem = FileSystem.new(self.requested_filesystem,
device_map['root'],
self.root_dir + '/',
filesystem_custom_parameters)
filesystem.create_on_device(label=self.disk_setup.get_root_label())
self.system = filesystem
# create swap on current root device if requested
if self.swap_mbytes:
swap = FileSystem.new('swap', device_map['swap'])
swap.create_on_device(label='SWAP')
# store root partition/filesystem uuid for profile
self._preserve_root_partition_uuid(device_map)
self._preserve_root_filesystem_uuid(device_map)
# create a random image identifier
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
# create first stage metadata to boot image
self._write_partition_id_config_to_boot_image()
self._write_recovery_metadata_to_boot_image()
self._write_raid_config_to_boot_image()
self._write_generic_fstab_to_boot_image(device_map)
self.system_setup.export_modprobe_setup(
self.boot_image.boot_root_directory)
# create first stage metadata to system image
self._write_image_identifier_to_system_image()
self._write_crypttab_to_system_image()
self._write_generic_fstab_to_system_image(device_map)
if self.initrd_system == 'dracut':
if self.root_filesystem_is_multipath is False:
self.boot_image.omit_module('multipath')
if self.root_filesystem_is_overlay:
self.boot_image.include_module('kiwi-overlay')
self.boot_image.write_system_config_file(
config={'modules': ['kiwi-overlay']})
if self.disk_resize_requested:
self.boot_image.include_module('kiwi-repart')
# create initrd cpio archive
self.boot_image.create_initrd(self.mbrid)
# create second stage metadata to system image
self._copy_first_boot_files_to_system_image()
self._write_bootloader_meta_data_to_system_image(device_map)
self.mbrid.write_to_disk(self.disk.storage_provider)
# set SELinux file security contexts if context exists
self._setup_selinux_file_contexts()
# syncing system data to disk image
self._sync_system_to_image(device_map)
# run post sync script hook
if self.system_setup.script_exists(defaults.POST_DISK_SYNC_SCRIPT):
disk_system = SystemSetup(self.xml_state,
self.system.get_mountpoint())
disk_system.import_description()
disk_system.call_disk_script()
disk_system.cleanup()
# install boot loader
self._install_bootloader(device_map)
# set root filesystem properties
self._setup_property_root_is_readonly_snapshot()
# prepare for install media if requested
if self.install_media:
log.info('Saving boot image instance to file')
self.boot_image.dump(self.target_dir + '/boot_image.pickledump')
Result.verify_image_size(self.runtime_config.get_max_size_constraint(),
self.diskname)
# store image file name in result
self.result.add(
key='disk_image',
filename=self.diskname,
use_for_bundle=True if not self.image_format else False,
compress=self.runtime_config.get_bundle_compression(default=True),
shasum=True)
# create image root metadata
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_changes',
filename=self.system_setup.export_package_changes(
self.target_dir),
use_for_bundle=True,
compress=True,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result