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import isys
import _balkan
import os
from translate import _
import raid
import fstab
from log import log
def findExistingRoots (intf, theFstab):
rootparts = []
win = intf.waitWindow (_("Searching"),
_("Searching for Red Hat Linux installations..."))
drives = theFstab.driveList()
mdList = raid.startAllRaid(drives)
for dev in mdList:
if fstab.isValidExt2 (dev):
try:
isys.mount(dev, '/mnt/sysimage', readOnly = 1)
except SystemError, (errno, msg):
intf.messageWindow(_("Error"),
_("Error mounting ext2 filesystem on %s: %s") % (dev, msg))
continue
if os.access ('/mnt/sysimage/etc/fstab', os.R_OK):
rootparts.append ((dev, "ext2"))
isys.umount('/mnt/sysimage')
raid.stopAllRaid(mdList)
for drive in drives:
isys.makeDevInode(drive, '/tmp/' + drive)
try:
table = _balkan.readTable ('/tmp/' + drive)
except SystemError:
pass
else:
for i in range (len (table)):
(type, sector, size) = table[i]
if size and type == _balkan.EXT2:
# for RAID arrays of format c0d0p1
if drive [:3] == "rd/" or drive [:4] == "ida/" or drive [:6] == "cciss/":
dev = drive + 'p' + str (i + 1)
else:
dev = drive + str (i + 1)
try:
isys.mount(dev, '/mnt/sysimage')
except SystemError, (errno, msg):
intf.messageWindow(_("Error"),
_("Error mounting ext2 filesystem on %s: %s") % (dev, msg))
continue
if os.access ('/mnt/sysimage/etc/fstab', os.R_OK):
rootparts.append ((dev, "ext2"))
isys.umount('/mnt/sysimage')
elif size and type == _balkan.DOS:
dev = drive + str (i + 1)
try:
isys.mount(dev, '/mnt/sysimage', fstype = "vfat",
readOnly = 1)
except SystemError, (errno, msg):
log("failed to mount vfat filesystem on %s\n"
% dev)
continue
if os.access('/mnt/sysimage/redhat.img', os.R_OK):
rootparts.append((dev, "vfat"))
isys.umount('/mnt/sysimage')
os.remove ('/tmp/' + drive)
win.pop ()
return rootparts
def mountRootPartition(intf, rootInfo, theFstab, instPath, allowDirty = 0):
(root, rootFs) = rootInfo
mdList = raid.startAllRaid(theFstab.driveList())
if rootFs == "vfat":
fstab.mountLoopbackRoot(root)
else:
isys.mount(root, '/mnt/sysimage')
fstab.readFstab('/mnt/sysimage/etc/fstab', theFstab)
if rootFs == "vfat":
fstab.unmountLoopbackRoot()
else:
isys.umount('/mnt/sysimage')
raid.stopAllRaid(mdList)
if not allowDirty and theFstab.hasDirtyFilesystems():
import sys
intf.messageWindow(("Dirty Filesystems"),
_("One or more of the filesystems for your Linux system "
"was not unmounted cleanly. Please boot your Linux "
"installation, let the filesystems be checked, and "
"shut down cleanly to upgrade."))
sys.exit(0)
theFstab.mountFilesystems (instPath)
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