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

184 lines
6.4 KiB
Python

#
# upgrade_bootloader_text.py: text bootloader dialog for upgrades
#
# Copyright (C) 2002 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Author(s): Jeremy Katz <katzj@redhat.com>
#
from snack import *
from constants_text import *
from flags import flags
import string
from booty import checkbootloader
from storage.devices import devicePathToName
from constants import *
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
import logging
log = logging.getLogger("anaconda")
class UpgradeBootloaderWindow:
def _ideToLibata(self, rootPath):
try:
f = open("/proc/modules", "r")
buf = f.read()
if buf.find("libata") == -1:
return False
except:
log.debug("error reading /proc/modules")
pass
try:
f = open(rootPath + "/etc/modprobe.conf")
except:
log.debug("error reading /etc/modprobe.conf")
return False
modlines = f.readlines()
f.close()
try:
f = open("/tmp/scsidisks")
except:
log.debug("error reading /tmp/scsidisks")
return False
mods = []
for l in f.readlines():
(disk, mod) = l.split()
if mod.strip() not in mods:
mods.append(mod.strip())
f.close()
for l in modlines:
stripped = l.strip()
if stripped == "" or stripped[0] == "#":
continue
if stripped.find("scsi_hostadapter") != -1:
mod = stripped.split()[-1]
if mod in mods:
mods.remove(mod)
if len(mods) > 0:
return True
return False
def __call__(self, screen, anaconda):
self.screen = screen
self.dispatch = anaconda.dispatch
self.bl = anaconda.bootloader
newToLibata = self._ideToLibata(anaconda.rootPath)
(self.type, self.bootDev) = \
checkbootloader.getBootloaderTypeAndBoot(anaconda.rootPath, storage=anaconda.storage)
blradio = RadioGroup()
(update, newbl, nobl) = (0, 0, 0)
if not self.dispatch.stepInSkipList("bootloader"):
newbl = 1
elif self.dispatch.stepInSkipList("instbootloader"):
nobl = 1
else:
if newToLibata or self.type is None or self.bootDev is None:
newbl = 1
else:
update = 1
if newToLibata or self.type is None or self.bootDev is None:
if newToLibata:
t = TextboxReflowed(53,
_("Due to system changes, your boot loader "
"configuration can not be automatically updated."))
else:
t = TextboxReflowed(53,
_("The installer is unable to detect the boot loader "
"currently in use on your system."))
self.update_radio = blradio.add(_("Update boot loader configuration"),
"update", update)
self.update_radio.w.checkboxSetFlags(FLAG_DISABLED, FLAGS_SET)
else:
t = TextboxReflowed(53,
_("The installer has detected the %(type)s "
"boot loader currently installed on "
"%(bootDev)s.")
% {'type': self.type, 'bootDev': self.bootDev})
self.update_radio = blradio.add(_("Update boot loader configuration"),
"update", update)
self.nobl_radio = blradio.add(_("Skip boot loader updating"),
"nobl", nobl)
self.newbl_radio = blradio.add(_("Create new boot loader "
"configuration"),
"newbl", newbl)
buttons = ButtonBar(screen, [TEXT_OK_BUTTON, TEXT_BACK_BUTTON])
grid = GridFormHelp(screen, _("Upgrade Boot Loader Configuration"),
"bl-upgrade", 1, 5)
grid.add(t, 0, 0, (0,0,0,1))
grid.add(self.update_radio, 0, 1, (0,0,0,0))
grid.add(self.nobl_radio, 0, 2, (0,0,0,0))
grid.add(self.newbl_radio, 0, 3, (0,0,0,1))
grid.add(buttons, 0, 4, growx = 1)
while 1:
result = grid.run()
button = buttons.buttonPressed(result)
if button == TEXT_BACK_CHECK:
screen.popWindow()
return INSTALL_BACK
if blradio.getSelection() == "nobl":
self.dispatch.skipStep("bootloadersetup", skip = 1)
self.dispatch.skipStep("bootloader", skip = 1)
self.dispatch.skipStep("bootloaderadvanced", skip = 1)
self.dispatch.skipStep("instbootloader", skip = 1)
elif blradio.getSelection() == "newbl":
self.dispatch.skipStep("bootloadersetup", skip = 0)
self.dispatch.skipStep("bootloader", skip = 0)
self.dispatch.skipStep("bootloaderadvanced", skip = 0)
self.dispatch.skipStep("instbootloader", skip = 0)
self.bl.doUpgradeOnly = 0
else:
self.dispatch.skipStep("bootloadersetup", skip = 0)
self.dispatch.skipStep("bootloader", skip = 1)
self.dispatch.skipStep("bootloaderadvanced", skip = 1)
self.dispatch.skipStep("instbootloader", skip = 0)
self.bl.doUpgradeOnly = 1
if self.type == "GRUB":
self.bl.useGrubVal = 1
else:
self.bl.useGrubVal = 0
self.bl.setDevice(devicePathToName(self.bootDev))
screen.popWindow()
return INSTALL_OK