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 _create_live_iso_kernel_and_initrd(self):
boot_path = self.media_dir + '/boot/' + self.arch + '/loader'
Path.create(boot_path)
kernel = Kernel(self.boot_image_task.boot_root_directory)
if kernel.get_kernel():
kernel.copy_kernel(boot_path, '/linux')
else:
raise KiwiLiveBootImageError(
'No kernel in boot image tree %s found' %
self.boot_image_task.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 %s found' %
self.boot_image_task.boot_root_directory)
self.boot_image_task.create_initrd(self.mbrid)
Command.run([
'mv', self.boot_image_task.initrd_filename, boot_path + '/initrd'
])
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: %s', self.mbrid.get_id())
log.info('--> Publisher: %s', Defaults.get_publisher())
custom_iso_args = {
'create_options': [
'-A',
self.mbrid.get_id(), '-p', '"' + Defaults.get_preparer() + '"',
'-publisher', '"' + Defaults.get_publisher() + '"'
]
}
if self.volume_id:
log.info('--> Volume id: %s', self.volume_id)
custom_iso_args['create_options'].append('-V')
custom_iso_args['create_options'].append('"' + self.volume_id +
'"')
# prepare boot(initrd) root system
log.info('Preparing live ISO boot system')
self.boot_image_task.prepare()
# export modprobe configuration to boot image
self.system_setup.export_modprobe_setup(
self.boot_image_task.boot_root_directory)
# pack system into live boot structure
log.info('Packing system into live ISO type: %s', self.live_type)
if self.live_type in self.types:
live_type_image = FileSystem(
name=self.types[self.live_type],
device_provider=None,
root_dir=self.root_dir,
custom_args=self.filesystem_custom_parameters)
live_type_image.create_on_file(
self.live_image_file,
exclude=Defaults.get_exclude_list_for_root_data_sync())
Command.run(['mv', self.live_image_file, self.media_dir])
self._create_live_iso_client_config(self.live_type)
else:
raise KiwiLiveBootImageError('live ISO type "%s" not supported' %
self.live_type)
# 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_task.boot_root_directory)
bootloader_config_isolinux.setup_live_image_config(mbrid=None)
bootloader_config_isolinux.write()
self.system_setup.call_edit_boot_config_script(
filesystem=self.types[self.live_type],
boot_part_id=1,
working_directory=self.media_dir)
# 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()
# create initrd for live image
log.info('Creating live ISO boot image')
self._create_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)
# include metadata for checkmedia tool
if self.xml_state.build_type.get_mediacheck() is True:
Iso.set_media_tag(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