555 lines
22 KiB
Python
555 lines
22 KiB
Python
import os
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import string
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from booty import BootyNoKernelWarning
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from util import getDiskPart
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from bootloaderInfo import *
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from flags import flags
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import checkbootloader
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import iutil
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class x86BootloaderInfo(efiBootloaderInfo):
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def setPassword(self, val, isCrypted = 1):
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if not val:
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self.password = val
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self.pure = val
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return
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if isCrypted and self.useGrubVal == 0:
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self.pure = None
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return
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elif isCrypted:
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self.password = val
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self.pure = None
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else:
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salt = "$1$"
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saltLen = 8
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saltchars = string.letters + string.digits + './'
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for i in range(saltLen):
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salt += random.choice(saltchars)
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self.password = crypt.crypt(val, salt)
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self.pure = val
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def getPassword (self):
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return self.pure
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def setUseGrub(self, val):
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self.useGrubVal = val
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def getPhysicalDevices(self, device):
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# This finds a list of devices on which the given device name resides.
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# Accepted values for "device" are raid1 md devices (i.e. "md0"),
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# physical disks ("hda"), and real partitions on physical disks
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# ("hda1"). Volume groups/logical volumes are not accepted.
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dev = self.storage.devicetree.getDeviceByName(device)
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path = dev.path[5:]
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if device in map (lambda x: x.name, self.storage.lvs + self.storage.vgs):
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return []
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if path.startswith("mapper/luks-"):
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return []
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if dev.type == "mdarray":
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bootable = 0
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parts = checkbootloader.getRaidDisks(device, self.storage,
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raidLevel=1, stripPart=0)
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parts.sort()
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return parts
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return [device]
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def runGrubInstall(self, instRoot, bootDev, cmds, cfPath):
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if cfPath == "/":
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syncDataToDisk(bootDev, "/boot", instRoot)
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else:
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syncDataToDisk(bootDev, "/", instRoot)
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# copy the stage files over into /boot
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rc = iutil.execWithRedirect("/sbin/grub-install",
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["--just-copy"],
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stdout = "/dev/tty5", stderr = "/dev/tty5",
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root = instRoot)
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if rc:
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return rc
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# really install the bootloader
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for cmd in cmds:
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p = os.pipe()
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os.write(p[1], cmd + '\n')
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os.close(p[1])
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# FIXME: hack to try to make sure everything is written
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# to the disk
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if cfPath == "/":
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syncDataToDisk(bootDev, "/boot", instRoot)
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else:
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syncDataToDisk(bootDev, "/", instRoot)
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rc = iutil.execWithRedirect('/sbin/grub' ,
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[ "--batch", "--no-floppy",
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"--device-map=/boot/grub/device.map" ],
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stdin = p[0],
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stdout = "/dev/tty5", stderr = "/dev/tty5",
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root = instRoot)
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os.close(p[0])
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if rc:
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return rc
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def matchingBootTargets(self, stage1Devs, bootDevs):
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matches = []
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for stage1Dev in stage1Devs:
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for mdBootPart in bootDevs:
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if getDiskPart(stage1Dev, self.storage)[0] == getDiskPart(mdBootPart, self.storage)[0]:
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matches.append((stage1Dev, mdBootPart))
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return matches
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def addMemberMbrs(self, matches, bootDevs):
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updatedMatches = list(matches)
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bootDevsHavingStage1Dev = [match[1] for match in matches]
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for mdBootPart in bootDevs:
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if mdBootPart not in bootDevsHavingStage1Dev:
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updatedMatches.append((getDiskPart(mdBootPart, self.storage)[0], mdBootPart))
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return updatedMatches
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def installGrub(self, instRoot, bootDev, grubTarget, grubPath, cfPath):
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if iutil.isEfi():
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return efiBootloaderInfo.installGrub(self, instRoot, bootDev, grubTarget,
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grubPath, cfPath)
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args = "--stage2=/boot/grub/stage2 "
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stage1Devs = self.getPhysicalDevices(grubTarget)
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bootDevs = self.getPhysicalDevices(bootDev.name)
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installs = [(None,
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self.grubbyPartitionName(stage1Devs[0]),
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self.grubbyPartitionName(bootDevs[0]))]
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if bootDev.type == "mdarray":
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matches = self.matchingBootTargets(stage1Devs, bootDevs)
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# If the stage1 target disk contains member of boot raid array (mbr
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# case) or stage1 target partition is member of boot raid array
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# (partition case)
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if matches:
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# 1) install stage1 on target disk/partiton
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stage1Dev, mdMemberBootPart = matches[0]
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installs = [(None,
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self.grubbyPartitionName(stage1Dev),
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self.grubbyPartitionName(mdMemberBootPart))]
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firstMdMemberDiskGrubbyName = self.grubbyDiskName(getDiskPart(mdMemberBootPart, self.storage)[0])
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# 2) and install stage1 on other members' disks/partitions too
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# NOTES:
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# - the goal is to be able to boot after a members' disk removal
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# - so we have to use grub device names as if after removal
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# (i.e. the same disk name (e.g. (hd0)) for both member disks)
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# - if member partitions have different numbers only removal of
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# specific one of members will work because stage2 containing
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# reference to config file is shared and therefore can contain
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# only one value
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# if target is mbr, we want to install also to mbr of other
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# members, so extend the matching list
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matches = self.addMemberMbrs(matches, bootDevs)
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for stage1Target, mdMemberBootPart in matches[1:]:
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# prepare special device mapping corresponding to member removal
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mdMemberBootDisk = getDiskPart(mdMemberBootPart, self.storage)[0]
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# It can happen due to ks --driveorder option, but is it ok?
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if not mdMemberBootDisk in self.drivelist:
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continue
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mdRaidDeviceRemap = (firstMdMemberDiskGrubbyName,
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mdMemberBootDisk)
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stage1TargetGrubbyName = self.grubbyPartitionName(stage1Target)
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rootPartGrubbyName = self.grubbyPartitionName(mdMemberBootPart)
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# now replace grub disk name part according to special device
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# mapping
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old = self.grubbyDiskName(mdMemberBootDisk).strip('() ')
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new = firstMdMemberDiskGrubbyName.strip('() ')
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rootPartGrubbyName = rootPartGrubbyName.replace(old, new)
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stage1TargetGrubbyName = stage1TargetGrubbyName.replace(old, new)
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installs.append((mdRaidDeviceRemap,
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stage1TargetGrubbyName,
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rootPartGrubbyName))
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# This is needed for case when /boot member partitions have
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# different numbers. Shared stage2 can contain only one reference
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# to grub.conf file, so let's ensure that it is reference to partition
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# on disk which we will boot from - that is, install grub to
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# this disk as last so that its reference is not overwritten.
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installs.reverse()
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cmds = []
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for mdRaidDeviceRemap, stage1Target, rootPart in installs:
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if mdRaidDeviceRemap:
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cmd = "device (%s) /dev/%s\n" % tuple(mdRaidDeviceRemap)
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else:
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cmd = ''
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cmd += "root %s\n" % (rootPart,)
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cmd += "install %s%s/stage1 d %s %s/stage2 p %s%s/grub.conf" % \
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(args, grubPath, stage1Target, grubPath, rootPart, grubPath)
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cmds.append(cmd)
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return self.runGrubInstall(instRoot, bootDev.name, cmds, cfPath)
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def writeGrub(self, instRoot, bl, kernelList, chainList,
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defaultDev, upgrade=False):
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rootDev = self.storage.rootDevice
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grubTarget = bl.getDevice()
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try:
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bootDev = self.storage.mountpoints["/boot"]
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grubPath = "/grub"
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cfPath = "/"
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except KeyError:
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bootDev = rootDev
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grubPath = "/boot/grub"
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cfPath = "/boot/"
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if not upgrade:
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self.writeGrubConf(instRoot, bootDev, rootDev, defaultDev, kernelList,
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chainList, grubTarget, grubPath, cfPath)
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# keep track of which devices are used for the device.map
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usedDevs = set()
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usedDevs.update(self.getPhysicalDevices(grubTarget))
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usedDevs.update(self.getPhysicalDevices(rootDev.name))
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usedDevs.update(self.getPhysicalDevices(bootDev.name))
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usedDevs.update([dev for (label, longlabel, dev) in chainList if longlabel])
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if not upgrade:
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self.writeDeviceMap(instRoot, usedDevs, upgrade)
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self.writeSysconfig(instRoot, grubTarget, upgrade)
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return self.installGrub(instRoot, bootDev, grubTarget, grubPath, cfPath)
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def writeGrubConf(self, instRoot, bootDev, rootDev, defaultDev, kernelList,
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chainList, grubTarget, grubPath, cfPath):
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bootDevs = self.getPhysicalDevices(bootDev.name)
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# XXX old config file should be read here for upgrade
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cf = "%s%s" % (instRoot, self.configfile)
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self.perms = 0600
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if os.access (cf, os.R_OK):
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self.perms = os.stat(cf)[0] & 0777
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os.rename(cf, cf + '.rpmsave')
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f = open(cf, "w+")
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f.write("# grub.conf generated by anaconda\n")
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f.write("#\n")
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f.write("# Note that you do not have to rerun grub "
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"after making changes to this file\n")
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if grubPath == "/grub":
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f.write("# NOTICE: You have a /boot partition. This means "
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"that\n")
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f.write("# all kernel and initrd paths are relative "
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"to /boot/, eg.\n")
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else:
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f.write("# NOTICE: You do not have a /boot partition. "
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"This means that\n")
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f.write("# all kernel and initrd paths are relative "
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"to /, eg.\n")
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f.write('# root %s\n' % self.grubbyPartitionName(bootDevs[0]))
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f.write("# kernel %svmlinuz-version ro root=%s\n" % (cfPath, rootDev.path))
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f.write("# initrd %sinitrd-[generic-]version.img\n" % (cfPath))
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f.write("#boot=/dev/%s\n" % (grubTarget))
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# get the default image to boot... we have to walk and find it
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# since grub indexes by where it is in the config file
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if defaultDev.name == rootDev.name:
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default = 0
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else:
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# if the default isn't linux, it's the first thing in the
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# chain list
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default = len(kernelList)
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f.write('default=%s\n' % (default))
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if self.serial == 1:
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# Set the global timeout in serial case
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f.write('timeout=%d\n' % (self.timeout or 5))
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# grub the 0-based number of the serial console device
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unit = self.serialDevice[-1]
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# and we want to set the speed too
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speedend = 0
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for char in self.serialOptions:
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if char not in string.digits:
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break
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speedend = speedend + 1
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if speedend != 0:
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speed = self.serialOptions[:speedend]
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else:
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# reasonable default
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speed = "9600"
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f.write("serial --unit=%s --speed=%s\n" %(unit, speed))
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f.write("terminal --timeout=%s serial console\n" % (self.timeout or 5))
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else:
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# Default to 0 timeout in the non-serial case
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f.write('timeout=%d\n' % (self.timeout or 0))
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# we only want splashimage if they're not using a serial console
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if os.access("%s/boot/grub/splash.xpm.gz" %(instRoot,), os.R_OK):
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f.write('splashimage=%s%sgrub/splash.xpm.gz\n'
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% (self.grubbyPartitionName(bootDevs[0]), cfPath))
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f.write("hiddenmenu\n")
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if self.password:
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f.write('password --md5 %s\n' %(self.password))
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for (label, longlabel, version) in kernelList:
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kernelTag = "-" + version
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kernelFile = "%svmlinuz%s" % (cfPath, kernelTag)
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initrd = self.makeInitrd(kernelTag, instRoot)
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f.write('title %s (%s)\n' % (longlabel, version))
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f.write('\troot %s\n' % self.grubbyPartitionName(bootDevs[0]))
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realroot = " root=%s" % rootDev.fstabSpec
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if version.endswith("xen0") or (version.endswith("xen") and not os.path.exists("/proc/xen")):
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# hypervisor case
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sermap = { "ttyS0": "com1", "ttyS1": "com2",
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"ttyS2": "com3", "ttyS3": "com4" }
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if self.serial and sermap.has_key(self.serialDevice) and \
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self.serialOptions:
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hvs = "%s=%s" %(sermap[self.serialDevice],
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self.serialOptions)
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else:
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hvs = ""
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if version.endswith("xen0"):
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hvFile = "%sxen.gz-%s %s" %(cfPath,
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version.replace("xen0", ""),
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hvs)
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else:
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hvFile = "%sxen.gz-%s %s" %(cfPath,
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version.replace("xen", ""),
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hvs)
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f.write('\tkernel %s\n' %(hvFile,))
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f.write('\tmodule %s ro%s' %(kernelFile, realroot))
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if self.args.get():
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f.write(' %s' % self.args.get())
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f.write('\n')
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if initrd:
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f.write('\tmodule %s%s\n' % (cfPath, initrd))
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elif version.find("xenlinux") >= 0:
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# Qubes kernel
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hvFile = "%sxen.gz" %(cfPath)
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f.write('\tkernel %s\n' %(hvFile,))
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f.write('\tmodule %s ro%s' %(kernelFile, realroot))
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if self.args.get():
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f.write(' %s' % self.args.get())
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f.write('\n')
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if initrd:
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f.write('\tmodule %s%s\n' % (cfPath, initrd))
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else: # normal kernel
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f.write('\tkernel %s ro%s' % (kernelFile, realroot))
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if self.args.get():
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f.write(' %s' % self.args.get())
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f.write('\n')
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if initrd:
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f.write('\tinitrd %s%s\n' % (cfPath, initrd))
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for (label, longlabel, device) in chainList:
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if ((not longlabel) or (longlabel == "")):
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continue
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f.write('title %s\n' % (longlabel))
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f.write('\trootnoverify %s\n' % self.grubbyPartitionName(device))
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# f.write('\tmakeactive\n')
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f.write('\tchainloader +1')
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f.write('\n')
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f.close()
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if not "/efi/" in cf:
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os.chmod(cf, self.perms)
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try:
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# make symlink for menu.lst (default config file name)
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menulst = "%s%s/menu.lst" % (instRoot, self.configdir)
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if os.access (menulst, os.R_OK):
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os.rename(menulst, menulst + ".rpmsave")
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os.symlink("./grub.conf", menulst)
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except:
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pass
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try:
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# make symlink for /etc/grub.conf (config files belong in /etc)
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etcgrub = "%s%s" % (instRoot, "/etc/grub.conf")
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if os.access (etcgrub, os.R_OK):
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os.rename(etcgrub, etcgrub + ".rpmsave")
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os.symlink(".." + self.configfile, etcgrub)
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except:
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pass
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def writeDeviceMap(self, instRoot, usedDevs, upgrade=False):
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if os.access(instRoot + "/boot/grub/device.map", os.R_OK):
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# For upgrade, we want also e.g. devs that has been added
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# to file during install for chainloading.
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if upgrade:
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f = open(instRoot + "/boot/grub/device.map", "r")
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for line in f:
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if line.startswith('(hd'):
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(grubdisk, dev) = line.split()[:2]
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dev = dev[5:]
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if dev in self.drivelist:
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usedDevs.add(dev)
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f.close()
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os.rename(instRoot + "/boot/grub/device.map",
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instRoot + "/boot/grub/device.map.rpmsave")
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f = open(instRoot + "/boot/grub/device.map", "w+")
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f.write("# this device map was generated by anaconda\n")
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usedDiskDevs = set()
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for dev in usedDevs:
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drive = getDiskPart(dev, self.storage)[0]
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usedDiskDevs.add(drive)
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devs = list(usedDiskDevs)
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devs.sort()
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for drive in devs:
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# XXX hack city. If they're not the sort of thing that'll
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# be in the device map, they shouldn't still be in the list.
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dev = self.storage.devicetree.getDeviceByName(drive)
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if not dev.type == "mdarray":
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f.write("(%s) %s\n" % (self.grubbyDiskName(drive), dev.path))
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f.close()
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def writeSysconfig(self, instRoot, grubTarget, upgrade):
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sysconf = '/etc/sysconfig/grub'
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if os.access (instRoot + sysconf, os.R_OK):
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if upgrade:
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return
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self.perms = os.stat(instRoot + sysconf)[0] & 0777
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os.rename(instRoot + sysconf,
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instRoot + sysconf + '.rpmsave')
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# if it's an absolute symlink, just get it out of our way
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elif (os.path.islink(instRoot + sysconf) and
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os.readlink(instRoot + sysconf)[0] == '/'):
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if upgrade:
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return
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os.rename(instRoot + sysconf,
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instRoot + sysconf + '.rpmsave')
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f = open(instRoot + sysconf, 'w+')
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f.write("boot=/dev/%s\n" %(grubTarget,))
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f.write("forcelba=0\n")
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f.close()
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def grubbyDiskName(self, name):
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return "hd%d" % self.drivelist.index(name)
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def grubbyPartitionName(self, dev):
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(name, partNum) = getDiskPart(dev, self.storage)
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if partNum != None:
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return "(%s,%d)" % (self.grubbyDiskName(name), partNum)
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else:
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return "(%s)" %(self.grubbyDiskName(name))
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def getBootloaderConfig(self, instRoot, bl, kernelList,
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chainList, defaultDev):
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config = bootloaderInfo.getBootloaderConfig(self, instRoot,
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bl, kernelList, chainList,
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defaultDev)
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liloTarget = bl.getDevice()
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|
|
config.addEntry("boot", '/dev/' + liloTarget, replace = 0)
|
|
config.addEntry("map", "/boot/map", replace = 0)
|
|
config.addEntry("install", "/boot/boot.b", replace = 0)
|
|
message = "/boot/message"
|
|
|
|
if self.pure is not None and not self.useGrubVal:
|
|
config.addEntry("restricted", replace = 0)
|
|
config.addEntry("password", self.pure, replace = 0)
|
|
|
|
if self.serial == 1:
|
|
# grab the 0-based number of the serial console device
|
|
unit = self.serialDevice[-1]
|
|
# FIXME: we should probably put some options, but lilo
|
|
# only supports up to 9600 baud so just use the defaults
|
|
# it's better than nothing :(
|
|
config.addEntry("serial=%s" %(unit,))
|
|
else:
|
|
# message screws up serial console
|
|
if os.access(instRoot + message, os.R_OK):
|
|
config.addEntry("message", message, replace = 0)
|
|
|
|
if not config.testEntry('lba32'):
|
|
if bl.above1024 and not iutil.isX86(bits=32):
|
|
config.addEntry("lba32", replace = 0)
|
|
|
|
return config
|
|
|
|
def write(self, instRoot, bl, kernelList, chainList,
|
|
defaultDev):
|
|
if self.timeout is None and chainList:
|
|
self.timeout = 5
|
|
|
|
# XXX HACK ALERT - see declaration above
|
|
if self.doUpgradeOnly:
|
|
if self.useGrubVal:
|
|
return self.writeGrub(instRoot, bl, kernelList,
|
|
chainList, defaultDev,
|
|
upgrade = True)
|
|
return 0
|
|
|
|
if len(kernelList) < 1:
|
|
raise BootyNoKernelWarning
|
|
|
|
rc = self.writeGrub(instRoot, bl, kernelList,
|
|
chainList, defaultDev,
|
|
not self.useGrubVal)
|
|
if rc:
|
|
return rc
|
|
|
|
# XXX move the lilo.conf out of the way if they're using GRUB
|
|
# so that /sbin/installkernel does a more correct thing
|
|
if self.useGrubVal and os.access(instRoot + '/etc/lilo.conf', os.R_OK):
|
|
os.rename(instRoot + "/etc/lilo.conf",
|
|
instRoot + "/etc/lilo.conf.anaconda")
|
|
|
|
return 0
|
|
|
|
def getArgList(self):
|
|
args = bootloaderInfo.getArgList(self)
|
|
|
|
if self.password:
|
|
args.append("--md5pass=%s" %(self.password))
|
|
|
|
return args
|
|
|
|
def __init__(self, anaconda):
|
|
bootloaderInfo.__init__(self, anaconda)
|
|
|
|
# these have to be set /before/ efiBootloaderInfo.__init__(), or
|
|
# they'll be overwritten.
|
|
self._configdir = "/boot/grub"
|
|
self._configname = "grub.conf"
|
|
|
|
efiBootloaderInfo.__init__(self, anaconda, initialize=False)
|
|
|
|
# XXX use checkbootloader to determine what to default to
|
|
self.useGrubVal = 1
|
|
self.kernelLocation = "/boot/"
|
|
self.password = None
|
|
self.pure = None
|