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import os
from lilo import LiloConfigFile
import isys
import iutil
class EliConfiguration:
def setEliImages(self, images):
self.eliImages = images
def getEliImages(self, fstab):
for (mntpoint, device, fsystem, doFormat, size) in \
fstab.mountList():
if mntpoint == '/':
self.eliImages[device] = ("linux", 2)
self.default = "linux"
return (self.eliImages, self.default)
def install(self, fstab, instRoot, hdList, upgrade):
# If the root partition is on a loopback device, lilo won't work!
if fstab.rootOnLoop():
return
if not self.eliImages:
(images, default) = self.getEliImages(fstab)
self.setEliImages(images)
# on upgrade read in the eli config file
eli = LiloConfigFile ()
perms = 0644
if os.access (instRoot + '/boot/eli.cfg', os.R_OK):
perms = os.stat(instRoot + '/boot/eli.conf')[0] & 0777
#lilo.read (instRoot + '/boot/eli.cfg')
os.rename(instRoot + '/boot/eli.cfg',
instRoot + '/boot/eli.cfg.rpmsave')
# Remove any invalid entries that are in the file; we probably
# just removed those kernels. While we're here, build an index
# to the already-configured (and valid) eli images by the eli
# label, as we can normally only get them by filename which isn't
# easily done.
imagesByLabel = {}
for image in eli.listImages():
(fsType, sl) = eli.getImage(image)
if fsType == "other": continue
if not os.access(instRoot + image, os.R_OK):
eli.delImage(image)
else:
imagesByLabel[sl.getEntry('label')] = image
bootpart = fstab.getBootDevice()
boothd = fstab.getMbrDevice()
eli.addEntry("timeout", "50", replace = 0)
rootDev = fstab.getRootDevice ()
if rootDev:
# strip off the filesystem; we don't need it
rootDev = rootDev[0]
else:
raise RuntimeError, "Installing lilo, but there is no root device"
kernelList = []
otherList = []
main = self.default
for (drive, (label, eliType)) in self.eliImages.items ():
if (drive == rootDev) and label:
main = label
elif label:
otherList.append (label, "/dev/" + drive)
eli.addEntry("default", self.default)
label = main
kernelList.append((label, hdList['kernel'], ""))
for (label, kernel, tag) in kernelList:
if imagesByLabel.has_key(label):
(fsType, sl) = eli.getImage(imagesByLabel[label])
eli.delImage(imagesByLabel[label])
else:
sl = LiloConfigFile()
kernelTag = "-%s-%s%s" % (kernel['version'], kernel['release'], tag)
kernelFile = "/boot/vmlinuz" + kernelTag
sl.addEntry("label", label)
sl.addEntry("read-only")
sl.addEntry("root", '/dev/' + rootDev)
if self.eliAppend:
sl.addEntry('append', '"%s"' % (self.eliAppend,))
eli.addImage ("image", kernelFile, sl)
eli.write(instRoot + "/boot/eli.cfg", perms = perms)
def __init__(self):
self.eliImages = {}
self.eliAppend = None
self.default = None
if __name__ == "__main__":
config = LiloConfigFile ()
config.read ('/etc/lilo.conf')
print config
print "image list", config.listImages()
config.delImage ('/boot/vmlinuz-2.2.5-15')
print '----------------------------------'
config = LiloConfigFile ()
config.read ('/etc/lilo.conf')
print config
print '----------------------------------'
print config.getImage('/boot/vmlinuz-2.2.5-15')
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