Source code for kiwi.bootloader.config.isolinux

# Copyright (c) 2015 SUSE Linux GmbH.  All rights reserved.
#
# This file is part of kiwi.
#
# kiwi is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# kiwi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with kiwi.  If not, see <http://www.gnu.org/licenses/>
#
import os
import logging

# project
from kiwi.bootloader.config.base import BootLoaderConfigBase
from kiwi.bootloader.template.isolinux import BootLoaderTemplateIsoLinux
from kiwi.path import Path
from kiwi.defaults import Defaults

from kiwi.exceptions import KiwiTemplateError

log = logging.getLogger('kiwi')


[docs]class BootLoaderConfigIsoLinux(BootLoaderConfigBase): """ **isolinux bootloader configuration.** """
[docs] def post_init(self, custom_args): """ isolinux post initialization method :param dict custom_args: custom isolinux config arguments """ self.custom_args = custom_args self.arch = Defaults.get_platform_name() self.install_volid = self.xml_state.build_type.get_volid() or \ Defaults.get_install_volume_id() self.volume_id = self.xml_state.build_type.get_volid() or \ Defaults.get_volume_id() self.live_type = self.xml_state.build_type.get_flags() if not self.live_type: self.live_type = Defaults.get_default_live_iso_type() self.live_boot_options = [ 'root=live:CDLABEL={0}'.format(self.volume_id), 'rd.live.image' ] self.install_boot_options = [ 'loglevel=0' ] if self.xml_state.get_initrd_system() == 'dracut': self.install_boot_options.append( 'root=install:CDLABEL={0}'.format(self.install_volid) ) if self.xml_state.build_type.get_hybridpersistent(): self.live_boot_options += \ Defaults.get_live_iso_persistent_boot_options( self.xml_state.build_type.get_hybridpersistent_filesystem() ) self.terminal = self.xml_state.get_build_type_bootloader_console() self.gfxmode = self.get_gfxmode('isolinux') # isolinux counts the timeout in units of 1/10 sec self.timeout = self.get_boot_timeout_seconds() * 10 self.continue_on_timeout = self.get_continue_on_timeout() self.cmdline = self.get_boot_cmdline() self.cmdline_failsafe = ' '.join( [self.cmdline, Defaults.get_failsafe_kernel_options()] ) self.failsafe_boot = self.failsafe_boot_entry_requested() self.mediacheck_boot = self.xml_state.build_type.get_mediacheck() self.multiboot = False if self.xml_state.is_xen_server(): self.multiboot = True self.isolinux = BootLoaderTemplateIsoLinux() self.config = None self.config_message = None
[docs] def write(self): """ Write isolinux.cfg and isolinux.msg file """ log.info('Writing isolinux.cfg file') config_dir = self._get_iso_boot_path() config_file = config_dir + '/isolinux.cfg' if self.config: Path.create(config_dir) with open(config_file, 'w') as config: config.write(self.config) config_file_message = config_dir + '/isolinux.msg' if self.config_message: with open(config_file_message, 'w') as config: config.write(self.config_message)
[docs] def setup_install_image_config( self, mbrid, hypervisor='xen.gz', kernel='linux', initrd='initrd' ): """ Create isolinux.cfg in memory from a template suitable to boot from an ISO image in BIOS boot mode :param string mbrid: mbrid file name on boot device :param string hypervisor: hypervisor name :param string kernel: kernel name :param string initrd: initrd name """ # mbrid parameter is not used, the information is placed as the # application id when creating the iso filesystem. Thus not part # of the configuration file log.info('Creating isolinux install config file from template') parameters = { 'default_boot': self.get_install_image_boot_default('isolinux'), 'kernel_file': kernel, 'initrd_file': initrd, 'boot_options': ' '.join( [self.cmdline] + self.install_boot_options ), 'failsafe_boot_options': ' '.join( [self.cmdline_failsafe] + self.install_boot_options ), 'gfxmode': self.gfxmode, 'boot_timeout': self.timeout, 'title': self.get_menu_entry_install_title() } if self.multiboot: log.info('--> Using multiboot install template') parameters['hypervisor'] = hypervisor template = self.isolinux.get_multiboot_install_template( self.failsafe_boot, self._have_theme(), self.terminal, self.continue_on_timeout ) else: log.info('--> Using install template') template = self.isolinux.get_install_template( self.failsafe_boot, self._have_theme(), self.terminal, self.continue_on_timeout ) try: self.config = template.substitute(parameters) template = self.isolinux.get_install_message_template() self.config_message = template.substitute(parameters) except Exception as e: raise KiwiTemplateError( '%s: %s' % (type(e).__name__, format(e)) )
[docs] def setup_live_image_config( self, mbrid, hypervisor='xen.gz', kernel='linux', initrd='initrd' ): """ Create isolinux.cfg in memory from a template suitable to boot a live system from an ISO image in BIOS boot mode :param string mbrid: mbrid file name on boot device :param string hypervisor: hypervisor name :param string kernel: kernel name :param string initrd: initrd name """ # mbrid parameter is not used, the information is placed as the # application id when creating the iso filesystem. Thus not part # of the configuration file log.info('Creating isolinux live ISO config file from template') parameters = { 'default_boot': self.get_menu_entry_title(plain=True), 'kernel_file': kernel, 'initrd_file': initrd, 'boot_options': ' '.join( [self.cmdline] + self.live_boot_options ), 'failsafe_boot_options': ' '.join( [self.cmdline_failsafe] + self.live_boot_options ), 'gfxmode': self.gfxmode, 'boot_timeout': self.timeout, 'title': self.get_menu_entry_title(plain=True) } if self.multiboot: log.info('--> Using multiboot standard ISO template') parameters['hypervisor'] = hypervisor template = self.isolinux.get_multiboot_template( self.failsafe_boot, self._have_theme(), self.terminal, self.mediacheck_boot ) else: log.info('--> Using standard ISO template') template = self.isolinux.get_template( self.failsafe_boot, self._have_theme(), self.terminal, self.mediacheck_boot ) try: self.config = template.substitute(parameters) template = self.isolinux.get_message_template() self.config_message = template.substitute(parameters) except Exception as e: raise KiwiTemplateError( '%s: %s' % (type(e).__name__, format(e)) )
[docs] def setup_install_boot_images(self, mbrid, lookup_path=None): """ Provide isolinux boot metadata No extra boot images must be created for isolinux :param string mbrid: unused :param string lookup_path: unused """ pass
[docs] def setup_live_boot_images(self, mbrid, lookup_path=None): """ Provide isolinux boot metadata No extra boot images must be created for isolinux :param string mbrid: unused :param string lookup_path: unused """ pass
def _get_iso_boot_path(self): return self.boot_dir + '/boot/' + self.arch + '/loader' def _have_theme(self): if os.path.exists(self._get_iso_boot_path() + '/bootlogo'): return True return False