Source code for kiwi.bootloader.config.grub2

# 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
# 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 <>
from string import Template
import re
import os
import logging
import glob
import shutil
from collections import OrderedDict

# project
from kiwi.utils.command_capabilities import CommandCapabilities
from kiwi.bootloader.config.base import BootLoaderConfigBase
from kiwi.bootloader.template.grub2 import BootLoaderTemplateGrub2
from kiwi.command import Command
from kiwi.defaults import Defaults
from kiwi.firmware import FirmWare
from kiwi.path import Path
from kiwi.utils.sync import DataSync
from kiwi.utils.sysconfig import SysConfig

from kiwi.exceptions import (

log = logging.getLogger('kiwi')

[docs]class BootLoaderConfigGrub2(BootLoaderConfigBase): """ **grub2 bootloader configuration.** """
[docs] def post_init(self, custom_args): """ grub2 post initialization method :param dict custom_args: Contains grub config arguments .. code:: python {'grub_directory_name': 'grub|grub2'} """ self.custom_args = custom_args arch = Defaults.get_platform_name() if arch == 'x86_64': # grub2 support for bios and efi systems self.arch = arch elif arch.startswith('ppc64'): # grub2 support for ofw and opal systems self.arch = arch elif arch == 'ix86': # grub2 support for bios systems self.arch = arch elif arch == 'aarch64' or arch.startswith('arm'): # grub2 support for efi systems self.arch = arch else: raise KiwiBootLoaderGrubPlatformError( 'host architecture %s not supported for grub2 setup' % arch ) if self.custom_args and 'grub_directory_name' in self.custom_args: self.boot_directory_name = self.custom_args['grub_directory_name'] else: self.boot_directory_name = 'grub' self.terminal = self.xml_state.get_build_type_bootloader_console() \ or 'gfxterm' self.gfxmode = self.get_gfxmode('grub2') self.theme = self.get_boot_theme() self.timeout = self.get_boot_timeout_seconds() self.timeout_style = \ self.xml_state.get_build_type_bootloader_timeout_style() self.serial_line_setup = \ self.xml_state.get_build_type_bootloader_serial_line_setup() self.continue_on_timeout = self.get_continue_on_timeout() self.failsafe_boot = self.failsafe_boot_entry_requested() self.mediacheck_boot = self.xml_state.build_type.get_mediacheck() self.xen_guest = self.xml_state.is_xen_guest() self.firmware = FirmWare( self.xml_state ) 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.volume_id = self.xml_state.build_type.get_volid() or \ Defaults.get_volume_id() self.install_volid = self.xml_state.build_type.get_volid() or \ Defaults.get_install_volume_id() self.live_boot_options = [ 'root=live:CDLABEL={0}'.format(self.volume_id), '' ] 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() ) if self.xml_state.is_xen_server(): self.hybrid_boot = False self.multiboot = True elif self.xen_guest: self.hybrid_boot = False self.multiboot = False else: self.hybrid_boot = True self.multiboot = False self.grub2 = BootLoaderTemplateGrub2() self.config = None self.efi_boot_path = None self.cmdline_failsafe = None self.root_reference = None self.cmdline = None self.iso_boot = False self.shim_fallback_setup = False
[docs] def write(self): """ Write bootloader configuration * writes grub.cfg template by KIWI if template system is used * copies grub config file to alternative boot path for EFI systems in fallback mode * creates an embedded fat efi image for EFI ISO boot """ if self.config:'Writing KIWI template grub.cfg file') config_dir = self._get_grub2_boot_path() config_file = config_dir + '/grub.cfg' Path.create(config_dir) with open(config_file, 'w') as config: config.write(self.config) if self.firmware.efi_mode(): self._copy_grub_config_to_efi_path( self.boot_dir, config_file ) if self.iso_boot: self._create_embedded_fat_efi_image()
[docs] def write_meta_data(self, root_uuid=None, boot_options=''): """ Write bootloader setup meta data files * cmdline arguments initialization * etc/default/grub setup file * etc/sysconfig/bootloader :param string root_uuid: root device UUID :param string boot_options: kernel options as string :param bool iso_boot: indicate target is an ISO """ self.cmdline = ' '.join( [self.get_boot_cmdline(root_uuid), boot_options] ) self.cmdline_failsafe = ' '.join( [self.cmdline, Defaults.get_failsafe_kernel_options(), boot_options] ) self.root_reference = self._get_root_cmdline_parameter(root_uuid) self._setup_default_grub() self._setup_sysconfig_bootloader()
[docs] def setup_disk_image_config( self, boot_uuid=None, root_uuid=None, hypervisor=None, kernel=None, initrd=None, boot_options={} ): """ Create grub2 config file to boot from disk using grub2-mkconfig :param string boot_uuid: unused :param string root_uuid: unused :param string hypervisor: unused :param string kernel: unused :param string initrd: unused :param dict boot_options: options dictionary that has to contain the root and boot device and optional volume configuration. KIWI has to mount the system prior to run grub2-mkconfig. .. code:: python { 'root_device': string, 'boot_device': string, 'efi_device': string, 'system_volumes': volume_manager_instance.get_volumes() } """ self._mount_system( boot_options.get('root_device'), boot_options.get('boot_device'), boot_options.get('efi_device'), boot_options.get('system_volumes') ) config_file = os.sep.join( [ self.root_mount.mountpoint, 'boot', self.boot_directory_name, 'grub.cfg' ] ) [ 'chroot', self.root_mount.mountpoint, os.path.basename(self._get_grub2_mkconfig_tool()), '-o', config_file.replace(self.root_mount.mountpoint, '') ] ) if self.firmware.efi_mode(): # On systems that are configured to use EFI with a grub2 # version less than 2.04 there is no support for dynamic # EFI environment checking. In this condition we change # the grub config to add this support as follows: # # * Apply only on grub < 2.04 # 1. Modify grub.cfg to set linux/initrd as variables # 2. Prepend hybrid setup to select linux vs. linuxefi on demand # # Please note this is a one time modification done by kiwi # Any subsequent call of the grub config tool will overwrite # the setup and disables dynamic EFI environment checking # at boot time if not CommandCapabilities.check_version( self._get_grub2_mkconfig_tool(), version_waterline=(2, 4), raise_on_error=False ): with open(config_file) as grub_config_file: grub_config = grub_config = re.sub( r'([ \t]+)linux(efi|16)*([ \t]+)', r'\1$linux\3', grub_config ) grub_config = re.sub( r'([ \t]+)initrd(efi|16)*([ \t]+)', r'\1$initrd\3', grub_config ) with open(config_file, 'w') as grub_config_file: grub_config_file.write( Template(self.grub2.header_hybrid).substitute() ) grub_config_file.write(grub_config) if self.root_reference: if self.root_filesystem_is_overlay or \ Defaults.is_buildservice_worker(): # grub2-mkconfig has no idea how the correct root= setup is # for disk images created with overlayroot enabled or in a # buildservice worker environment. Because of that the mkconfig # tool just finds the raw partition loop device and includes it # which is wrong. In this particular case we have to patch the # written config file and replace the wrong root= reference with # the correct value. with open(config_file) as grub_config_file: grub_config = grub_config = grub_config.replace( 'root={0}'.format(boot_options.get('root_device')), self.root_reference ) with open(config_file, 'w') as grub_config_file: grub_config_file.write(grub_config) if self.firmware.efi_mode(): vendor_grubenv_file = \ Defaults.get_vendor_grubenv(self.efi_mount.mountpoint) if vendor_grubenv_file: with open(vendor_grubenv_file) as vendor_grubenv: grubenv = grubenv = grubenv.replace( 'root={0}'.format(boot_options.get( 'root_device') ), self.root_reference ) with open(vendor_grubenv_file, 'w') as vendor_grubenv: vendor_grubenv.write(grubenv) if self.firmware.efi_mode(): self._copy_grub_config_to_efi_path( self.efi_mount.mountpoint, config_file )
[docs] def setup_install_image_config( self, mbrid, hypervisor='xen.gz', kernel='linux', initrd='initrd' ): """ Create grub2 config file to boot from an ISO install image :param string mbrid: mbrid file name on boot device :param string hypervisor: hypervisor name :param string kernel: kernel name :param string initrd: initrd name """'Creating grub2 install config file from template') self.iso_boot = True parameters = { 'search_params': '--file --set=root /boot/' + mbrid.get_id(), 'default_boot': self.get_install_image_boot_default(), '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, 'theme': self.theme, 'boot_timeout': self.timeout, 'boot_timeout_style': self.timeout_style or 'menu', 'serial_line_setup': self.serial_line_setup or 'serial', 'title': self.get_menu_entry_install_title(), 'bootpath': self.get_boot_path('iso'), 'boot_directory_name': self.boot_directory_name, 'efi_image_name': Defaults.get_efi_image_name(self.arch), 'terminal_setup': self.terminal } if self.multiboot:'--> Using multiboot install template') parameters['hypervisor'] = hypervisor template = self.grub2.get_multiboot_install_template( self.failsafe_boot, self.terminal, self.continue_on_timeout ) else:'--> Using standard boot install template') hybrid_boot = True template = self.grub2.get_install_template( self.failsafe_boot, hybrid_boot, self.terminal, self.continue_on_timeout ) try: self.config = 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 grub2 config file to boot a live media ISO image :param string mbrid: mbrid file name on boot device :param string hypervisor: hypervisor name :param string kernel: kernel name :param string initrd: initrd name """'Creating grub2 live ISO config file from template') self.iso_boot = True parameters = { 'search_params': '--file --set=root /boot/' + mbrid.get_id(), 'default_boot': '0', '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, 'theme': self.theme, 'boot_timeout': self.timeout, 'boot_timeout_style': self.timeout_style or 'menu', 'serial_line_setup': self.serial_line_setup or 'serial', 'title': self.get_menu_entry_title(plain=True), 'bootpath': self.get_boot_path('iso'), 'boot_directory_name': self.boot_directory_name, 'efi_image_name': Defaults.get_efi_image_name(self.arch), 'terminal_setup': self.terminal } if self.multiboot:'--> Using multiboot template') parameters['hypervisor'] = hypervisor template = self.grub2.get_multiboot_iso_template( self.failsafe_boot, self.terminal, self.mediacheck_boot ) else:'--> Using standard boot template') hybrid_boot = True template = self.grub2.get_iso_template( self.failsafe_boot, hybrid_boot, self.terminal, self.mediacheck_boot ) try: self.config = 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): """ Create/Provide grub2 boot images and metadata In order to boot from the ISO grub2 modules, images and theme data needs to be created and provided at the correct place on the iso filesystem :param string mbrid: mbrid file name on boot device :param string lookup_path: custom module lookup path """'Creating grub2 bootloader images') self.efi_boot_path = self.create_efi_path(in_sub_dir='')'--> Creating identifier file %s', mbrid.get_id()) Path.create( self._get_grub2_boot_path() ) mbrid.write( self.boot_dir + '/boot/' + mbrid.get_id() ) mbrid.write( self.boot_dir + '/boot/mbrid' ) self._copy_theme_data_to_boot_directory(lookup_path, 'iso') if self._supports_bios_modules(): self._copy_bios_modules_to_boot_directory(lookup_path) self._setup_bios_image(mbrid=mbrid, lookup_path=lookup_path) if self.firmware.efi_mode(): self._setup_EFI_path(lookup_path) if self.firmware.efi_mode() == 'efi': self._setup_efi_image(mbrid=mbrid, lookup_path=lookup_path) self._copy_efi_modules_to_boot_directory(lookup_path) elif self.firmware.efi_mode() == 'uefi': self._copy_efi_modules_to_boot_directory(lookup_path) self._setup_secure_boot_efi_image(lookup_path)
[docs] def setup_live_boot_images(self, mbrid, lookup_path=None): """ Create/Provide grub2 boot images and metadata Calls setup_install_boot_images because no different action required """ self.setup_install_boot_images(mbrid, lookup_path)
[docs] def setup_disk_boot_images(self, boot_uuid, lookup_path=None): """ Create/Provide grub2 boot images and metadata In order to boot from the disk grub2 modules, images and theme data needs to be created and provided at the correct place in the filesystem :param string boot_uuid: boot device UUID :param string lookup_path: custom module lookup path """'Creating grub2 bootloader images') if self.firmware.efi_mode(): self.efi_boot_path = self.create_efi_path() self._copy_theme_data_to_boot_directory(lookup_path, 'disk') if not self.xen_guest and self._supports_bios_modules(): self._copy_bios_modules_to_boot_directory(lookup_path) if self.firmware.efi_mode() == 'efi': self._setup_efi_image(uuid=boot_uuid, lookup_path=lookup_path) self._copy_efi_modules_to_boot_directory(lookup_path) elif self.firmware.efi_mode() == 'uefi': self._copy_efi_modules_to_boot_directory(lookup_path) if not self._get_shim_install(): self.shim_fallback_setup = True self._setup_secure_boot_efi_image(lookup_path) if self.xen_guest: self._copy_xen_modules_to_boot_directory(lookup_path)
def _copy_grub_config_to_efi_path(self, root_path, config_file): if self.iso_boot or self.shim_fallback_setup: efi_boot_path = Defaults.get_shim_vendor_directory( root_path ) if not efi_boot_path: efi_boot_path = os.path.normpath( os.sep.join([root_path, 'EFI/BOOT']) ) Path.create(efi_boot_path) grub_config_file_for_efi_boot = os.sep.join( [efi_boot_path, 'grub.cfg'] ) 'Copying {0} -> {1} to be found by EFI'.format( config_file, grub_config_file_for_efi_boot ) ) shutil.copy( config_file, grub_config_file_for_efi_boot ) def _supports_bios_modules(self): if self.arch == 'ix86' or self.arch == 'x86_64': return True return False def _setup_sysconfig_bootloader(self): """ Create or update etc/sysconfig/bootloader by the following parameters required according to the grub2 bootloader setup * LOADER_TYPE * LOADER_LOCATION * DEFAULT_APPEND * FAILSAFE_APPEND * SECURE_BOOT """ sysconfig_bootloader_entries = { 'LOADER_TYPE': 'grub2-efi' if self.firmware.efi_mode() else 'grub2', 'LOADER_LOCATION': 'none' if self.firmware.efi_mode() else 'mbr' } if self.firmware.efi_mode() == 'uefi': sysconfig_bootloader_entries['SECURE_BOOT'] = 'yes' if self.cmdline: sysconfig_bootloader_entries['DEFAULT_APPEND'] = '"{0}"'.format( self.cmdline ) if self.cmdline_failsafe: sysconfig_bootloader_entries['FAILSAFE_APPEND'] = '"{0}"'.format( self.cmdline_failsafe ) sysconfig_bootloader_location = ''.join( [self.root_dir, '/etc/sysconfig/'] ) if os.path.exists(sysconfig_bootloader_location):'Writing sysconfig bootloader file') sysconfig_bootloader_file = ''.join( [sysconfig_bootloader_location, 'bootloader'] ) sysconfig_bootloader = SysConfig( sysconfig_bootloader_file ) sysconfig_bootloader_entries_sorted = OrderedDict( sorted(sysconfig_bootloader_entries.items()) ) for key, value in list(sysconfig_bootloader_entries_sorted.items()):'--> {0}:{1}'.format(key, value)) sysconfig_bootloader[key] = value sysconfig_bootloader.write() def _setup_default_grub(self): # noqa: C901 """ Create or update etc/default/grub by parameters required according to the root filesystem setup * GRUB_TIMEOUT * GRUB_TIMEOUT_STYLE * SUSE_BTRFS_SNAPSHOT_BOOTING * GRUB_BACKGROUND * GRUB_THEME * GRUB_USE_LINUXEFI * GRUB_USE_INITRDEFI * GRUB_SERIAL_COMMAND * GRUB_CMDLINE_LINUX_DEFAULT * GRUB_GFXMODE * GRUB_TERMINAL """ grub_default_entries = { 'GRUB_TIMEOUT': self.timeout, 'GRUB_GFXMODE': self.gfxmode, 'GRUB_TERMINAL': '"{0}"'.format(self.terminal) } if self.timeout_style: grub_default_entries['GRUB_TIMEOUT_STYLE'] = self.timeout_style if self.cmdline: grub_default_entries['GRUB_CMDLINE_LINUX_DEFAULT'] = '"{0}"'.format( re.sub(r'root=.* |root=.*$', '', self.cmdline).strip() ) if self.terminal and 'serial' in self.terminal and \ self.serial_line_setup: grub_default_entries['GRUB_SERIAL_COMMAND'] = '"{0}"'.format( self.serial_line_setup ) if self.theme: theme_setup = '{0}/{1}/theme.txt' grub_default_entries['GRUB_THEME'] = theme_setup.format( ''.join(['/boot/', self.boot_directory_name, '/themes']), self.theme ) theme_background = '{0}/{1}/background.png'.format( ''.join(['/boot/', self.boot_directory_name, '/themes']), self.theme ) if os.path.exists(os.sep.join([self.root_dir, theme_background])): grub_default_entries['GRUB_BACKGROUND'] = theme_background if self.firmware.efi_mode(): # linuxefi/initrdefi only exist on x86, others always use efi if self.arch == 'ix86' or self.arch == 'x86_64': use_linuxefi_implemented = [ 'grep', '-q', 'GRUB_USE_LINUXEFI', self._get_grub2_mkconfig_tool() ], raise_on_error=False ) if use_linuxefi_implemented.returncode == 0: grub_default_entries['GRUB_USE_LINUXEFI'] = 'true' grub_default_entries['GRUB_USE_INITRDEFI'] = 'true' if self.xml_state.build_type.get_btrfs_root_is_snapshot(): grub_default_entries['SUSE_BTRFS_SNAPSHOT_BOOTING'] = 'true' if self.custom_args.get('boot_is_crypto'): grub_default_entries['GRUB_ENABLE_CRYPTODISK'] = 'y' enable_blscfg_implemented = [ 'grep', '-q', 'GRUB_ENABLE_BLSCFG', self._get_grub2_mkconfig_tool() ], raise_on_error=False ) if enable_blscfg_implemented.returncode == 0: grub_default_entries['GRUB_ENABLE_BLSCFG'] = 'true' if grub_default_entries:'Writing grub2 defaults file') grub_default_location = ''.join([self.root_dir, '/etc/default/']) if os.path.exists(grub_default_location): grub_default_file = ''.join([grub_default_location, 'grub']) grub_default = SysConfig(grub_default_file) grub_default_entries_sorted = OrderedDict( sorted(grub_default_entries.items()) ) for key, value in list(grub_default_entries_sorted.items()):'--> {0}:{1}'.format(key, value)) grub_default[key] = value grub_default.write() def _setup_secure_boot_efi_image(self, lookup_path): """ Provide the shim loader and the shim signed grub2 loader in the required boot path. Normally this task is done by the shim-install tool. However, shim-install does not exist on all distributions and the script does not operate well in e.g CD environments from which we generate live and/or install media. Thus shim-install is used if possible at install time of the bootloader because it requires access to the target block device. In any other case this setup code should act as the fallback solution """ log.warning( '--> Running fallback setup for shim secure boot efi image' ) if not lookup_path: lookup_path = self.boot_dir grub_image = Defaults.get_signed_grub_loader(lookup_path) if not grub_image: raise KiwiBootLoaderGrubSecureBootError( 'Signed grub2 efi loader not found' ) shim_image = Defaults.get_shim_loader(lookup_path) if shim_image: # The shim concept is based on a two step system including a # grub image(shim) that got signed by Microsoft followed by # a grub image that got signed by the shim. The shim image # is the one that gets loaded by the firmware which itself # loads the second stage grub image ['cp', shim_image, self._get_efi_image_name()] ) ['cp', grub_image, self.efi_boot_path] ) else: # Without shim a self signed grub image is used that # gets loaded by the firmware ['cp', grub_image, self._get_efi_image_name()] ) def _setup_efi_image(self, uuid=None, mbrid=None, lookup_path=None): """ Provide the unsigned grub2 efi image in the required boot path If a prebuilt efi image as provided by the distribution could be found, this image will be used. If no such image could be found we create a custom image with a pre defined set of grub modules """ if not lookup_path: lookup_path = self.boot_dir grub_image = Defaults.get_unsigned_grub_loader(lookup_path) if grub_image:'--> Using prebuilt unsigned efi image') ['cp', grub_image, self._get_efi_image_name()] ) self._create_efi_config_search(uuid, mbrid) else:'--> Creating unsigned efi image') self._create_efi_image( uuid, mbrid, lookup_path ) def _setup_bios_image(self, mbrid=None, lookup_path=None): """ Provide bios grub image """ if not lookup_path: lookup_path = self.boot_dir grub_image = Defaults.get_grub_bios_core_loader(lookup_path) if grub_image:'--> Using prebuilt bios image') else:'--> Creating bios image') self._create_bios_image( mbrid, lookup_path ) bash_command = ' '.join( [ 'cat', self._get_bios_modules_path(lookup_path) + '/cdboot.img', grub_image or self._get_bios_image_name(lookup_path), '>', os.sep.join( [ self._get_bios_modules_path(lookup_path), Defaults.get_isolinux_bios_grub_loader() ] ) ] ) ['bash', '-c', bash_command] ) def _create_embedded_fat_efi_image(self): Path.create(self.boot_dir + '/boot/' + self.arch) efi_fat_image = ''.join( [self.boot_dir + '/boot/', self.arch, '/efi'] ) ['qemu-img', 'create', efi_fat_image, '15M'] ) ['mkdosfs', '-n', 'BOOT', efi_fat_image] ) [ 'mcopy', '-Do', '-s', '-i', efi_fat_image, self.boot_dir + '/EFI', '::' ] ) def _create_efi_image(self, uuid=None, mbrid=None, lookup_path=None): early_boot_script = os.path.normpath( os.sep.join([self.efi_boot_path, 'earlyboot.cfg']) ) if uuid: self._create_early_boot_script_for_uuid_search( early_boot_script, uuid ) else: self._create_early_boot_script_for_mbrid_search( early_boot_script, mbrid ) module_list = Defaults.get_grub_efi_modules(multiboot=self.xen_guest) module_path = self._get_efi_modules_path(lookup_path) if os.path.exists(module_path + '/linuxefi.mod'): module_list.append('linuxefi') [ self._get_grub2_mkimage_tool() or 'grub2-mkimage', '-O', Defaults.get_efi_module_directory_name(self.arch), '-o', self._get_efi_image_name(), '-c', early_boot_script, '-p', self.get_boot_path() + '/' + self.boot_directory_name, '-d', module_path ] + module_list ) def _create_efi_config_search(self, uuid=None, mbrid=None): efi_boot_config = self.efi_boot_path + '/grub.cfg' if uuid: self._create_early_boot_script_for_uuid_search( efi_boot_config, uuid ) else: self._create_early_boot_script_for_mbrid_search( efi_boot_config, mbrid ) with open(efi_boot_config, 'a') as config: config.write('normal{0}'.format(os.linesep)) def _create_bios_image(self, mbrid=None, lookup_path=None): early_boot_script = os.path.normpath( os.sep.join([self._get_grub2_boot_path(), 'earlyboot.cfg']) ) self._create_early_boot_script_for_mbrid_search( early_boot_script, mbrid ) [ self._get_grub2_mkimage_tool() or 'grub2-mkimage', '-O', Defaults.get_bios_module_directory_name(), '-o', self._get_bios_image_name(lookup_path), '-c', early_boot_script, '-p', self.get_boot_path() + '/' + self.boot_directory_name, '-d', self._get_bios_modules_path(lookup_path) ] + Defaults.get_grub_bios_modules(multiboot=self.xen_guest) ) def _create_early_boot_script_for_uuid_search(self, filename, uuid): with open(filename, 'w') as early_boot: early_boot.write( 'set btrfs_relative_path="yes"{0}'.format(os.linesep) ) if self.custom_args.get('boot_is_crypto'): early_boot.write( 'insmod cryptodisk{0}'.format(os.linesep) ) early_boot.write( 'insmod luks{0}'.format(os.linesep) ) early_boot.write( 'cryptomount -u {0}{1}'.format( uuid.replace('-', ''), os.linesep ) ) early_boot.write( 'set root="cryptouuid/{0}"{1}'.format( uuid.replace('-', ''), os.linesep ) ) early_boot.write( 'search --fs-uuid --set=root {0}{1}'.format(uuid, os.linesep) ) early_boot.write( 'set prefix=($root){0}/{1}{2}'.format( self.get_boot_path(), self.boot_directory_name, os.linesep ) ) def _create_early_boot_script_for_mbrid_search(self, filename, mbrid): with open(filename, 'w') as early_boot: early_boot.write( 'set btrfs_relative_path="yes"{0}'.format(os.linesep) ) early_boot.write( 'search --file --set=root /boot/{0}{1}'.format( mbrid.get_id(), os.linesep ) ) early_boot.write( 'set prefix=($root)/boot/{0}{1}'.format( self.boot_directory_name, os.linesep ) ) def _get_grub2_mkimage_tool(self): for grub_mkimage_tool in ['grub2-mkimage', 'grub-mkimage']: if Path.which(grub_mkimage_tool): return grub_mkimage_tool def _get_grub2_mkconfig_tool(self): for grub_mkconfig_tool in ['grub2-mkconfig', 'grub-mkconfig']: grub_mkconfig_file_path = Path.which( grub_mkconfig_tool, root_dir=self.root_dir ) if grub_mkconfig_file_path: return grub_mkconfig_file_path def _get_grub2_boot_path(self): return self.boot_dir + '/boot/' + self.boot_directory_name def _get_efi_image_name(self): return os.sep.join( [ self.efi_boot_path, Defaults.get_efi_image_name(self.arch) ] ) def _get_bios_image_name(self, lookup_path): return os.sep.join( [ self._get_bios_modules_path(lookup_path), Defaults.get_bios_image_name() ] ) def _get_efi_modules_path(self, lookup_path=None): return self._get_module_path( Defaults.get_efi_module_directory_name(self.arch), lookup_path ) def _get_bios_modules_path(self, lookup_path=None): return self._get_module_path('i386-pc', lookup_path) def _get_xen_modules_path(self, lookup_path=None): return self._get_module_path( Defaults.get_efi_module_directory_name('x86_64_xen'), lookup_path ) def _get_module_path(self, format_name, lookup_path=None): if not lookup_path: lookup_path = self.boot_dir return Defaults.get_grub_path(lookup_path, format_name) def _find_theme_background_file(self, lookup_path): background_pattern = os.sep.join( [ lookup_path, 'boot', self.boot_directory_name, 'themes', '*', 'background.png' ] ) for background_file in glob.iglob(background_pattern): return background_file def _copy_theme_data_to_boot_directory(self, lookup_path, target): if not lookup_path: lookup_path = self.boot_dir font_name = 'unicode.pf2' efi_font_dir = Defaults.get_grub_efi_font_directory( lookup_path ) boot_fonts_dir = os.path.normpath( os.sep.join( [ self.boot_dir, self.get_boot_path(target), self.boot_directory_name, 'fonts' ] ) ) try: unicode_font = Defaults.get_grub_path( lookup_path, font_name ) if not os.path.exists(os.sep.join([boot_fonts_dir, font_name])): Path.create(boot_fonts_dir) ['cp', unicode_font, boot_fonts_dir] ) if efi_font_dir: ['cp', unicode_font, efi_font_dir] ) except Exception as issue: raise KiwiBootLoaderGrubFontError( 'Setting up unicode font failed with {0}'.format(issue) ) boot_theme_dir = os.sep.join( [self.boot_dir, 'boot', self.boot_directory_name, 'themes'] ) Path.create(boot_theme_dir) if self.theme: theme_dir = Defaults.get_grub_path( lookup_path, 'themes/' + self.theme, raise_on_error=False ) boot_theme_background_file = self._find_theme_background_file( lookup_path ) if theme_dir and os.path.exists(theme_dir): if boot_theme_background_file: # A background file was found. Preserve a copy of the # file which was created at install time of the theme # package by the activate-theme script boot_theme_background_backup_file = os.sep.join( [self.boot_dir, 'background.png'] ) [ 'cp', boot_theme_background_file, boot_theme_background_backup_file ] ) # sync theme data from install path to boot path data = DataSync( theme_dir, boot_theme_dir ) data.sync_data( options=['-a'] ) if boot_theme_background_file: # Install preserved background file to the theme [ 'mv', boot_theme_background_backup_file, os.sep.join([boot_theme_dir, self.theme]) ] ) elif boot_theme_background_file: # assume all theme data is in the directory of the # background file and just sync that directory to the # boot path data = DataSync( os.path.dirname(boot_theme_background_file), boot_theme_dir ) data.sync_data( options=['-a'] ) self._check_boot_theme_exists() def _check_boot_theme_exists(self): if self.theme: theme_dir = os.sep.join( [ self.boot_dir, 'boot', self.boot_directory_name, 'themes', self.theme ] ) if not os.path.exists(theme_dir): log.warning('Theme %s not found', theme_dir) log.warning('Set bootloader terminal to console mode') self.terminal = 'console' def _setup_EFI_path(self, lookup_path): """ Copy efi boot data from lookup_path to the root directory """ if not lookup_path: lookup_path = self.boot_dir efi_path = lookup_path + '/boot/efi/' if os.path.exists(efi_path): efi_data = DataSync(efi_path, self.boot_dir) efi_data.sync_data(options=['-a']) def _copy_efi_modules_to_boot_directory(self, lookup_path): self._copy_modules_to_boot_directory_from( self._get_efi_modules_path(lookup_path) ) def _copy_bios_modules_to_boot_directory(self, lookup_path): self._copy_modules_to_boot_directory_from( self._get_bios_modules_path(lookup_path) ) def _copy_xen_modules_to_boot_directory(self, lookup_path): self._copy_modules_to_boot_directory_from( self._get_xen_modules_path(lookup_path) ) def _copy_modules_to_boot_directory_from(self, module_path): boot_module_path = \ self._get_grub2_boot_path() + '/' + os.path.basename(module_path) try: data = DataSync( module_path + '/', boot_module_path ) data.sync_data( options=['-a'], exclude=['*.module'] ) except Exception as e: raise KiwiBootLoaderGrubModulesError( 'Module synchronisation failed with: %s' % format(e) ) def _get_shim_install(self): return Path.which( filename='shim-install', root_dir=self.boot_dir )