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#!/usr/bin/python
#
# Module for munging lilo.conf lilo configurations file in the case
# of installing new or updated kernel packages
#
# Copyright (c) 1999-2002 Red Hat, Inc. Distributed under GPL.
#
# Authors: Adrian Likins <alikins@redhat.com>
#
import os,sys
sys.path.insert(0, "/usr/share/rhn/")
sys.path.insert(1,"/usr/share/rhn/up2date_client")
import iutil
from rhpl.translate import _, N_
import time
import string
import rpmUtils
import transaction
import up2dateLog
from bootloadercfg import Error, makeInitrd
class GrubbyRuntimeError(Error):
def __repr__(self):
msg = _("Unable to run grubby correctly: the message was:\n") + self.errmsg
return msg
# fire off grubby to find the default
def findDefault():
log = up2dateLog.initLog()
try:
pipe = os.popen("/sbin/grubby --default-kernel")
ret = pipe.read()
ret = string.strip(ret)
log.log_me("""Running /sbin/grubby --default-kernel""")
except RuntimeError, command:
raise GrubbyRuntimeError("unable to run grubby. Not running as root?")
return ret
def setDefault(newImage):
try:
ret = iutil.execWithRedirect("/sbin/grubby", ["grubby", "--set-default", "/boot/vmlinuz-%s" % newImage])
except RuntimeError, command:
raise GrubbyRuntimeError("unable to run grubby. Not running as root?")
# FIXME
# add error checking here? grubby seems to always return 0
return ret
def installNewImages(imageList, test=0, filename=None):
# find out what image is
defaultImagePath = findDefault()
defaultType = None
# open the rpmdb and look up the kernel path
ts = transaction.initReadOnlyTransaction()
if defaultImagePath != "":
header = rpmUtils.findDepLocal(ts,defaultImagePath)
else:
header = None
if header:
# the default is the name of the
defaultType = header["name"]
else:
defaultType = None
# look for a kernel image matching the default in the list of
# kernels I'm installing...
# if we dont match anything, dont set linux to the default of any sort
for (newimage, imageType) in imageList:
if defaultType == imageType:
setDefault(newimage)
# not much testing we can do here... ;-<
return 0
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