242 lines
9.1 KiB
Python
242 lines
9.1 KiB
Python
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#
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# bootloader.py: anaconda bootloader shims
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#
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# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Red Hat, Inc.
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# All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Author(s): Erik Troan <ewt@redhat.com>
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# Jeremy Katz <katzj@redhat.com>
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#
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import isys
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import parted
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import os, sys
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import iutil
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import string
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from flags import flags
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from constants import *
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from storage.devices import devicePathToName
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from storage import getReleaseString
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from booty.util import getDiskPart
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import gettext
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_ = lambda x: gettext.ldgettext("anaconda", x)
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import logging
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log = logging.getLogger("anaconda")
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import booty
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from booty import bootloaderInfo, checkbootloader
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def isEfiSystemPartition(part):
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if not part.active:
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return False
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return (part.disk.type == "gpt" and
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part.name == "EFI System Partition" and
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part.getFlag(parted.PARTITION_BOOT) and
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part.fileSystem.type in ("fat16", "fat32") and
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isys.readFSLabel(part.getDeviceNodeName()) != "ANACONDA")
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def bootloaderSetupChoices(anaconda):
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if anaconda.dir == DISPATCH_BACK:
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rc = anaconda.intf.messageWindow(_("Warning"),
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_("Filesystems have already been activated. You "
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"cannot go back past this point.\n\nWould you like to "
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"continue with the installation?"),
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type="custom", custom_icon=["error","error"],
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custom_buttons=[_("_Exit installer"), _("_Continue")])
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if rc == 0:
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sys.exit(0)
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return DISPATCH_FORWARD
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if anaconda.ksdata and anaconda.ksdata.bootloader.driveorder:
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anaconda.bootloader.updateDriveList(anaconda.ksdata.bootloader.driveorder)
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else:
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#We want the selected bootloader drive to be preferred
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pref = anaconda.bootloader.drivelist[:1]
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anaconda.bootloader.updateDriveList(pref)
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if iutil.isEfi() and not anaconda.bootloader.device:
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bootPart = None
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partitions = anaconda.storage.partitions
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for part in partitions:
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if part.partedPartition.active and isEfiSystemPartition(part.partedPartition):
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bootPart = part.name
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break
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if bootPart:
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anaconda.bootloader.setDevice(bootPart)
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# iSeries bootloader on upgrades
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if iutil.getPPCMachine() == "iSeries" and not anaconda.bootloader.device:
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bootPart = None
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partitions = anaconda.storage.partitions
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for part in partitions:
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if part.partedPartition.active and \
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part.partedPartition.getFlag(parted.PARTITION_PREP):
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bootPart = part.name
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break
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if bootPart:
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anaconda.bootloader.setDevice(bootPart)
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choices = anaconda.platform.bootloaderChoices(anaconda.bootloader)
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if not choices and iutil.getPPCMachine() != "iSeries":
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anaconda.dispatch.skipStep("instbootloader")
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else:
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anaconda.dispatch.skipStep("instbootloader", skip = 0)
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# FIXME: ...
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anaconda.bootloader.images.setup(anaconda.storage)
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if anaconda.bootloader.defaultDevice != None and choices:
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keys = choices.keys()
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# there are only two possible things that can be in the keys
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# mbr and boot. boot is ALWAYS present. so if the dev isn't
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# listed, it was mbr and we should nicely fall back to boot
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if anaconda.bootloader.defaultDevice not in keys:
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log.warning("MBR not suitable as boot device; installing to partition")
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anaconda.bootloader.defaultDevice = "boot"
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anaconda.bootloader.setDevice(choices[anaconda.bootloader.defaultDevice][0])
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elif choices and iutil.isMactel() and choices.has_key("boot"): # haccckkkk
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anaconda.bootloader.setDevice(choices["boot"][0])
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elif choices and choices.has_key("mbr"):
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anaconda.bootloader.setDevice(choices["mbr"][0])
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elif choices and choices.has_key("boot"):
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anaconda.bootloader.setDevice(choices["boot"][0])
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def fixedMdraidGrubTarget(anaconda, grubTarget):
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# handle change made in F12 - before F12 mdX used to mean installation
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# into mbrs of mdX members' disks
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fixedGrubTarget = grubTarget
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(product, version) = getReleaseString(anaconda.rootPath)
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try:
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if float(version) < 12:
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stage1Devs = anaconda.bootloader.getPhysicalDevices(grubTarget)
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fixedGrubTarget = getDiskPart(stage1Devs[0], anaconda.storage)[0]
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log.info("Mdraid grub upgrade: %s -> %s" % (grubTarget,
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fixedGrubTarget))
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except ValueError:
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log.warning("Can't decide mdraid grub upgrade fix, product: %s, version: %s" % (product, version))
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return fixedGrubTarget
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def writeBootloader(anaconda):
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def dosync():
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isys.sync()
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isys.sync()
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isys.sync()
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if anaconda.bootloader.defaultDevice == -1:
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return
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if anaconda.bootloader.doUpgradeOnly:
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(bootType, theDev) = checkbootloader.getBootloaderTypeAndBoot(anaconda.rootPath, storage=anaconda.storage)
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anaconda.bootloader.doUpgradeonly = 1
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if bootType == "GRUB":
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if theDev.startswith('/dev/md'):
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theDev = fixedMdraidGrubTarget(anaconda,
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devicePathToName(theDev))
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anaconda.bootloader.useGrubVal = 1
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anaconda.bootloader.setDevice(devicePathToName(theDev))
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else:
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anaconda.bootloader.doUpgradeOnly = 0
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w = anaconda.intf.waitWindow(_("Bootloader"), _("Installing bootloader."))
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kernelList = []
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otherList = []
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# getDefault needs to return a device, but that's too invasive for now.
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rootDev = anaconda.storage.rootDevice
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if not anaconda.bootloader.images.getDefault():
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defaultDev = None
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else:
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defaultDev = anaconda.storage.devicetree.getDeviceByName(anaconda.bootloader.images.getDefault())
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kernelLabel = None
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kernelLongLabel = None
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for (dev, (label, longlabel, type)) in anaconda.bootloader.images.getImages().items():
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if (rootDev is None and kernelLabel is None) or (dev == rootDev.name):
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kernelLabel = label
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kernelLongLabel = longlabel
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elif (not defaultDev and not dev) or (defaultDev and dev == defaultDev.name):
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otherList = [(label, longlabel, dev)] + otherList
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else:
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otherList.append((label, longlabel, dev))
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if kernelLabel is None:
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log.error("unable to find default image, bailing")
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w.pop()
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return
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plainLabelUsed = 0
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defkern = "kernel"
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for (version, arch, nick) in \
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anaconda.backend.kernelVersionList(anaconda.rootPath):
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if plainLabelUsed:
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kernelList.append(("%s-%s" %(kernelLabel, nick),
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"%s-%s" %(kernelLongLabel, nick),
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version))
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else:
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kernelList.append((kernelLabel, kernelLongLabel, version))
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if nick != "base":
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defkern = "kernel-%s" %(nick,)
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plainLabelUsed = 1
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f = open(anaconda.rootPath + "/etc/sysconfig/kernel", "w+")
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f.write("# UPDATEDEFAULT specifies if new-kernel-pkg should make\n"
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"# new kernels the default\n")
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# only update the default if we're setting the default to linux (#156678)
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if (not defaultDev and not rootDev) or (defaultDev and rootDev.name == defaultDev.name):
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f.write("UPDATEDEFAULT=yes\n")
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else:
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f.write("UPDATEDEFAULT=no\n")
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f.write("\n")
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f.write("# DEFAULTKERNEL specifies the default kernel package type\n")
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f.write("DEFAULTKERNEL=%s\n" %(defkern,))
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f.close()
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dosync()
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try:
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rc = anaconda.bootloader.write(anaconda.rootPath, anaconda.bootloader,
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kernelList, otherList, defaultDev)
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w.pop()
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if rc and anaconda.intf:
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anaconda.intf.messageWindow(_("Warning"),
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_("There was an error installing the bootloader. "
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"The system may not be bootable."))
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except booty.BootyNoKernelWarning:
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w.pop()
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if anaconda.intf:
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anaconda.intf.messageWindow(_("Warning"),
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_("No kernel packages were installed on the "
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"system. Bootloader configuration "
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"will not be changed."))
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dosync()
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def hasWindows(bl):
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foundWindows = False
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for (k,v) in bl.images.getImages().iteritems():
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if v[0].lower() == 'other' and v[2] in bootloaderInfo.dosFilesystems:
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foundWindows = True
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break
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return foundWindows
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