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import upgrade
from snack import *
from text import WaitWindow, OkCancelWindow
from translate import _
import sys
import os
from log import log
import isys
class RescueInterface:
def waitWindow(self, title, text):
return WaitWindow(self.screen, title, text)
def messageWindow(self, title, text, type = "ok"):
if type == "ok":
ButtonChoiceWindow(self.screen, _(title), _(text),
buttons = [ _("OK") ])
else:
return OkCancelWindow(self.screen, _(title), _(text))
def __init__(self, screen):
self.screen = screen
def runRescue(url, serial, mountroot):
#
# XXX - disabling mounting of existing installations
#
# from fstab import NewtFstab
fstab = None
for file in [ "services", "protocols", "group" ]:
os.symlink('/mnt/runtime/etc/' + file, '/etc/' + file)
if (not mountroot):
os.execv("/bin/sh", [ "-/bin/sh" ])
#
# XXX - disabling mounting of existing installations
#
# try:
# fstab = NewtFstab(1, serial, 0, 0, None, None, None, 0, [], 0, 0,
# requireBlockDevices = 0)
# except SystemError, text:
# print _("WARNING: no valid block devices were found.\n")
# except:
# print _("ERROR: unknown error encountered reading partition tables.\n")
if not fstab:
os.execv("/bin/sh", [ "-/bin/sh" ])
# lets create some devices
for drive in fstab.driveList():
isys.makeDevInode(drive, "/dev/" + drive)
for i in range(16):
if drive [:3] == "rd/" or drive [:4] == "ida/" or drive [:6] == "cciss/":
dev = drive + 'p' + str (i + 1)
else:
dev = drive + str (i + 1)
isys.makeDevInode(dev, "/dev/" + dev)
screen = SnackScreen()
intf = RescueInterface(screen)
# go ahead and set things up for reboot
if url[0:6] == "cdrom:" or url[0:4] == "nfs:":
f = open("/tmp/cleanup", "w")
isys.makeDevInode("loop0", "/tmp/loop0")
f.write("umount /mnt/runtime\n")
f.write("lounsetup /tmp/loop0\n")
f.close()
parts = upgrade.findExistingRoots(intf, fstab)
if not parts:
root = None
elif len(parts) == 1:
root = parts[0]
else:
height = min (len (parts), 12)
if height == 12:
scroll = 1
else:
scroll = 0
partList = []
for (drive, fs) in parts:
partList.append(drive)
(button, choice) = \
ListboxChoiceWindow(screen, _("System to Rescue"),
_("What partition holds the root partition "
"of your installation?"), partList,
[ _("OK"), _("Exit") ], width = 30,
scroll = scroll, height = height,
help = "multipleroot")
if button == string.lower (_("Exit")):
root = None
else:
root = parts[choice]
rootmounted = 0
if root:
try:
upgrade.mountRootPartition(intf, root, fstab, '/mnt/sysimage',
allowDirty = 1)
ButtonChoiceWindow(screen, _("Rescue"),
_("Your system has been mounted under /mnt/sysimage.\n\n"
"Press <return> to get a shell. The system will reboot "
"automatically when you exit from the shell."),
[_("OK")] )
rootmounted = 1
except:
# This looks horrible, but all it does is catch every exception,
# and reraise those in the tuple check. This lets programming
# errors raise exceptions, while any runtime error will
# still result in a shell.
(exc, val) = sys.exc_info()[0:2]
if exc in (IndexError, ValueError, SyntaxError):
raise exc, val, sys.exc_info()[2]
ButtonChoiceWindow(screen, _("Rescue").
_("An error occured trying to mount some or all of your "
"system. Some of it may be mounted under /mnt/sysimage.\n\n"
"Press <return> to get a shell. The system will reboot "
"automatically when you exit from the shell."),
[_("OK")] )
else:
ButtonChoiceWindow(screen, _("Rescue Mode"),
_("You don't have any Linux partitions. Press "
"return to get a shell. The system will reboot "
"automatically when you exit from the shell."),
[ _("Back") ], width = 50)
screen.finish()
if rootmounted:
print
print _("Your system is mounted under the /mnt/sysimage directory.")
print
os.execv("/bin/sh", [ "-/bin/sh" ])
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