qubes-installer-qubes-os/anaconda/booty/s390.py
2011-03-31 13:40:54 +02:00

179 lines
6.0 KiB
Python

import os
from bootloaderInfo import *
import iutil
class s390BootloaderInfo(bootloaderInfo):
def getBootloaderConfig(self, instRoot, bl, kernelList,
chainList, defaultDev):
# on upgrade read in the lilo config file
lilo = LiloConfigFile ()
self.perms = 0600
confFile = instRoot + self.configfile
if os.access (confFile, os.R_OK):
self.perms = os.stat(confFile)[0] & 0777
lilo.read(confFile)
os.rename(confFile, confFile + ".rpmsave")
# Remove any invalid entries that are in the file; we probably
# just removed those kernels.
for label in lilo.listImages():
(fsType, sl, path, other) = lilo.getImage(label)
if fsType == "other": continue
if not os.access(instRoot + sl.getPath(), os.R_OK):
lilo.delImage(label)
rootDev = self.storage.rootDevice
if rootDev.name == defaultDev.name:
lilo.addEntry("default", kernelList[0][0])
else:
lilo.addEntry("default", chainList[0][0])
for (label, longlabel, version) in kernelList:
kernelTag = "-" + version
kernelFile = self.kernelLocation + "vmlinuz" + kernelTag
try:
lilo.delImage(label)
except IndexError, msg:
pass
sl = LiloConfigFile(imageType = "image", path = kernelFile)
initrd = self.makeInitrd(kernelTag, instRoot)
sl.addEntry("label", label)
if initrd:
sl.addEntry("initrd", "%s%s" %(self.kernelLocation, initrd))
sl.addEntry("read-only")
sl.addEntry("root", rootDev.path)
sl.addEntry("ipldevice", rootDev.path[:-1])
if self.args.get():
sl.addEntry('append', '"%s"' % self.args.get())
lilo.addImage (sl)
for (label, longlabel, device) in chainList:
if ((not label) or (label == "")):
continue
try:
(fsType, sl, path, other) = lilo.getImage(label)
lilo.delImage(label)
except IndexError:
sl = LiloConfigFile(imageType = "other",
path = "/dev/%s" %(device))
sl.addEntry("optional")
sl.addEntry("label", label)
lilo.addImage (sl)
# Sanity check #1. There could be aliases in sections which conflict
# with the new images we just created. If so, erase those aliases
imageNames = {}
for label in lilo.listImages():
imageNames[label] = 1
for label in lilo.listImages():
(fsType, sl, path, other) = lilo.getImage(label)
if sl.testEntry('alias'):
alias = sl.getEntry('alias')
if imageNames.has_key(alias):
sl.delEntry('alias')
imageNames[alias] = 1
# Sanity check #2. If single-key is turned on, go through all of
# the image names (including aliases) (we just built the list) and
# see if single-key will still work.
if lilo.testEntry('single-key'):
singleKeys = {}
turnOff = 0
for label in imageNames.keys():
l = label[0]
if singleKeys.has_key(l):
turnOff = 1
singleKeys[l] = 1
if turnOff:
lilo.delEntry('single-key')
return lilo
def writeChandevConf(self, bl, instroot): # S/390 only
cf = "/etc/chandev.conf"
self.perms = 0644
if bl.args.chandevget():
fd = os.open(instroot + "/etc/chandev.conf",
os.O_WRONLY | os.O_CREAT)
os.write(fd, "noauto\n")
for cdev in bl.args.chandevget():
os.write(fd,'%s\n' % cdev)
os.close(fd)
return ""
def writeZipl(self, instRoot, bl, kernelList, chainList,
defaultDev, justConfigFile):
rootDev = self.storage.rootDevice
cf = '/etc/zipl.conf'
self.perms = 0600
if os.access (instRoot + cf, os.R_OK):
self.perms = os.stat(instRoot + cf)[0] & 0777
os.rename(instRoot + cf,
instRoot + cf + '.rpmsave')
f = open(instRoot + cf, "w+")
f.write('[defaultboot]\n')
f.write('default=' + kernelList[0][0] + '\n')
f.write('target=%s\n' % (self.kernelLocation))
cfPath = "/boot/"
for (label, longlabel, version) in kernelList:
kernelTag = "-" + version
kernelFile = "%svmlinuz%s" % (cfPath, kernelTag)
initrd = self.makeInitrd(kernelTag, instRoot)
f.write('[%s]\n' % (label))
f.write('\timage=%s\n' % (kernelFile))
if initrd:
f.write('\tramdisk=%s%s\n' %(self.kernelLocation, initrd))
realroot = rootDev.fstabSpec
f.write('\tparameters="root=%s' %(realroot,))
if bl.args.get():
f.write(' %s' % (bl.args.get()))
f.write('"\n')
f.close()
if not justConfigFile:
rc = iutil.execWithRedirect("/sbin/zipl", [], root = instRoot,
stdout = "/dev/stdout",
stderr = "/dev/stderr")
if rc:
return rc
return 0
def write(self, instRoot, bl, kernelList, chainList,
defaultDev):
rc = self.writeZipl(instRoot, bl, kernelList,
chainList, defaultDev,
not self.useZiplVal)
if rc:
return rc
return self.writeChandevConf(bl, instRoot)
def __init__(self, anaconda):
bootloaderInfo.__init__(self, anaconda)
self.useZiplVal = 1 # only used on s390
self.kernelLocation = "/boot/"
self._configdir = "/etc"
self._configname = "zipl.conf"