def findRootParts(anaconda):
if anaconda.dir == DISPATCH_BACK:
return
if anaconda.rootParts is None:
(anaconda.rootParts, notUpgradable) = findExistingRootDevices(anaconda,
upgradeany=flags.cmdline.has_key("upgradeany"))
if notUpgradable and not anaconda.rootParts:
oldInstalls = ""
for info in notUpgradable:
if None in info[:2]:
oldInstalls += "on %s" % (info[2])
else:
oldInstalls += "%s %s on %s" % (info)
oldInstalls += "\n"
rc = anaconda.intf.messageWindow(_("Cannot Upgrade"),
_("Your current installation cannot be upgraded. This "
"is likely due to it being too old. Only the previous two "
"release may be upgraded. To upgrade older releases "
"you must first upgrade through all intermediate releases.\n\n"
"%s") % oldInstalls,
type="custom", custom_icon=["error","error"],
custom_buttons=[_("_Exit installer"), _("_Continue")])
if rc == 0:
sys.exit(0)
setUpgradeRoot(anaconda)
if anaconda.rootParts is not None and len(anaconda.rootParts) > 0:
anaconda.dispatch.skipStep("findinstall", skip = 0)
else:
anaconda.dispatch.skipStep("findinstall", skip = 1)
def findExistingRoots(anaconda, upgradeany=False):
rootparts = findExistingRootDevices(anaconda, upgradeany=upgradeany)
return rootparts
def findExistingRoots(anaconda, upgradeany=False):
rootparts = findExistingRootDevices(anaconda, upgradeany=upgradeany)
return rootparts
def doRescue(anaconda):
for file in [ "services", "protocols", "group", "joe", "man.config",
"nsswitch.conf", "selinux", "mke2fs.conf" ]:
try:
os.symlink('/mnt/runtime/etc/' + file, '/etc/' + file)
except OSError:
pass
# see if they would like networking enabled
if not network.hasActiveNetDev():
while True:
rc = ButtonChoiceWindow(anaconda.intf.screen, _("Setup Networking"),
_("Do you want to start the network interfaces on "
"this system?"), [_("Yes"), _("No")])
if rc != _("No").lower():
if not anaconda.intf.enableNetwork(anaconda):
anaconda.intf.messageWindow(_("No Network Available"),
_("Unable to activate a networking device. Networking "
"will not be available in rescue mode."))
break
startNetworking(anaconda.network, anaconda.intf)
break
else:
break
# shutdown the interface now
anaconda.intf.shutdown()
anaconda.intf = None
# Early shell access with no disk access attempts
if not anaconda.rescue_mount:
# the %post should be responsible for mounting all needed file systems
# NOTE: 1st script must be bash or simple python as nothing else might be available in the rescue image
if anaconda.ksdata and anaconda.ksdata.scripts:
from kickstart import runPostScripts
runPostScripts(anaconda)
else:
runShell()
sys.exit(0)
anaconda.intf = RescueInterface()
if anaconda.ksdata:
if anaconda.ksdata.rescue and anaconda.ksdata.rescue.romount:
readOnly = 1
else:
readOnly = 0
else:
# prompt to see if we should try and find root filesystem and mount
# everything in /etc/fstab on that root
while True:
rc = ButtonChoiceWindow(anaconda.intf.screen, _("Rescue"),
_("The rescue environment will now attempt to find your "
"Linux installation and mount it under the directory "
"%s. You can then make any changes required to your "
"system. If you want to proceed with this step choose "
"'Continue'. You can also choose to mount your file systems "
"read-only instead of read-write by choosing 'Read-Only'. "
"If you need to activate SAN devices choose 'Advanced'."
"\n\n"
"If for some reason this process fails you can choose 'Skip' "
"and this step will be skipped and you will go directly to a "
"command shell.\n\n") % (ROOT_PATH,),
[_("Continue"), _("Read-Only"), _("Skip"), _("Advanced")] )
if rc == _("Skip").lower():
runShell(anaconda.intf.screen)
sys.exit(0)
elif rc == _("Advanced").lower():
addDialog = addDriveDialog(anaconda)
addDialog.addDriveDialog(anaconda.intf.screen)
continue
elif rc == _("Read-Only").lower():
readOnly = 1
else:
readOnly = 0
break
import storage
storage.storageInitialize(anaconda)
(disks, notUpgradable) = storage.findExistingRootDevices(anaconda, upgradeany=True)
if not disks:
root = None
elif (len(disks) == 1) or anaconda.ksdata:
root = disks[0]
else:
height = min (len (disks), 12)
if height == 12:
scroll = 1
else:
scroll = 0
devList = []
for (device, relstr) in disks:
if getattr(device.format, "label", None):
devList.append("%s (%s) - %s" % (device.name, device.format.label, relstr))
else:
devList.append("%s - %s" % (device.name, relstr))
(button, choice) = \
ListboxChoiceWindow(anaconda.intf.screen, _("System to Rescue"),
_("Which device holds the root partition "
"of your installation?"), devList,
[ _("OK"), _("Exit") ], width = 30,
scroll = scroll, height = height,
help = "multipleroot")
if button == _("Exit").lower():
root = None
else:
root = disks[choice]
rootmounted = 0
if root:
try:
rc = mountExistingSystem(anaconda, root,
allowDirty = 1, warnDirty = 1,
readOnly = readOnly)
if not flags.imageInstall:
msg = _("The system will reboot automatically when you exit "
"from the shell.")
else:
msg = _("Run %s to unmount the system "
"when you are finished.") % ANACONDA_CLEANUP
if rc == -1:
if anaconda.ksdata:
log.error("System had dirty file systems which you chose not to mount")
else:
ButtonChoiceWindow(anaconda.intf.screen, _("Rescue"),
_("Your system had dirty file systems which you chose not "
"to mount. Press return to get a shell from which "
"you can fsck and mount your partitions. %s") % msg,
[_("OK")], width = 50)
rootmounted = 0
else:
if anaconda.ksdata:
log.info("System has been mounted under: %s" % ROOT_PATH)
else:
ButtonChoiceWindow(anaconda.intf.screen, _("Rescue"),
_("Your system has been mounted under %(rootPath)s.\n\n"
"Press <return> to get a shell. If you would like to "
"make your system the root environment, run the command:\n\n"
"\tchroot %(rootPath)s\n\n%(msg)s") %
{'rootPath': ROOT_PATH,
'msg': msg},
[_("OK")] )
rootmounted = 1
# now turn on swap
if not readOnly:
try:
anaconda.storage.turnOnSwap()
except StorageError:
log.error("Error enabling swap")
# and selinux too
if flags.selinux:
# we have to catch the possible exception
# because we support read-only mounting
try:
fd = open("%s/.autorelabel" % ROOT_PATH, "w+")
fd.close()
except IOError:
log.warning("cannot touch /.autorelabel")
# set a library path to use mounted fs
libdirs = os.environ.get("LD_LIBRARY_PATH", "").split(":")
mounted = map(lambda dir: "/mnt/sysimage%s" % dir, libdirs)
os.environ["LD_LIBRARY_PATH"] = ":".join(libdirs + mounted)
# find groff data dir
gversion = None
try:
glst = os.listdir("/mnt/sysimage/usr/share/groff")
except OSError:
pass
else:
# find a directory which is a numeral, its where
# data files are
for gdir in glst:
if re.match(r'\d[.\d]+\d$', gdir):
gversion = gdir
break
if gversion is not None:
gpath = "/mnt/sysimage/usr/share/groff/"+gversion
os.environ["GROFF_FONT_PATH"] = gpath + '/font'
os.environ["GROFF_TMAC_PATH"] = "%s:/mnt/sysimage/usr/share/groff/site-tmac" % (gpath + '/tmac',)
# do we have bash?
try:
if os.access("/usr/bin/bash", os.R_OK):
os.symlink ("/usr/bin/bash", "/bin/bash")
except OSError:
pass
except (ValueError, LookupError, SyntaxError, NameError):
raise
except Exception as e:
log.error("doRescue caught exception: %s" % e)
if anaconda.ksdata:
log.error("An error occurred trying to mount some or all of your system")
else:
if not flags.imageInstall:
msg = _("The system will reboot automatically when you "
"exit from the shell.")
else:
msg = _("Run %s to unmount the system "
"when you are finished.") % ANACONDA_CLEANUP
ButtonChoiceWindow(anaconda.intf.screen, _("Rescue"),
_("An error occurred trying to mount some or all of your "
"system. Some of it may be mounted under %s.\n\n"
"Press <return> to get a shell.") % ROOT_PATH + msg,
[_("OK")] )
else:
if anaconda.ksdata and \
anaconda.ksdata.reboot.action in [KS_REBOOT, KS_SHUTDOWN]:
log.info("No Linux partitions found")
anaconda.intf.screen.finish()
print(_("You don't have any Linux partitions. Rebooting.\n"))
sys.exit(0)
else:
if not flags.imageInstall:
msg = _(" The system will reboot automatically when you exit "
"from the shell.")
else:
msg = ""
ButtonChoiceWindow(anaconda.intf.screen, _("Rescue Mode"),
_("You don't have any Linux partitions. Press "
"return to get a shell.%s") % msg,
[ _("OK") ], width = 50)
msgStr = ""
if rootmounted and not readOnly:
anaconda.storage.makeMtab()
try:
makeResolvConf(ROOT_PATH)
except (OSError, IOError) as e:
log.error("error making a resolv.conf: %s" %(e,))
msgStr = _("Your system is mounted under the %s directory.") % (ROOT_PATH,)
ButtonChoiceWindow(anaconda.intf.screen, _("Rescue"), msgStr, [_("OK")] )
# we do not need ncurses anymore, shut them down
anaconda.intf.shutdown()
#create /etc/fstab in ramdisk, so it is easier to work with RO mounted filesystems
makeFStab()
# run %post if we've mounted everything
if rootmounted and not readOnly and anaconda.ksdata:
from kickstart import runPostScripts
runPostScripts(anaconda)
# start shell if reboot wasn't requested
if not anaconda.ksdata or \
not anaconda.ksdata.reboot.action in [KS_REBOOT, KS_SHUTDOWN]:
runShell(msg=msgStr)
sys.exit(0)
def runRescue(anaconda):
for file in [
"services", "protocols", "group", "joe", "man.config",
"nsswitch.conf", "selinux", "mke2fs.conf"
]:
try:
os.symlink('/mnt/runtime/etc/' + file, '/etc/' + file)
except:
pass
# see if they would like networking enabled
if not network.hasActiveNetDev():
screen = SnackScreen()
while True:
rc = ButtonChoiceWindow(
screen, _("Setup Networking"),
_("Do you want to start the network interfaces on "
"this system?"), [_("Yes"), _("No")])
if rc != string.lower(_("No")):
anaconda.intf = RescueInterface(screen)
if not anaconda.intf.enableNetwork(anaconda):
anaconda.intf.messageWindow(
_("No Network Available"),
_("Unable to activate a networking device. Networking "
"will not be available in rescue mode."))
break
startNetworking(anaconda.network, anaconda.intf)
break
else:
break
anaconda.intf = None
screen.finish()
# Early shell access with no disk access attempts
if not anaconda.rescue_mount:
# the %post should be responsible for mounting all needed file systems
# NOTE: 1st script must be bash or simple python as nothing else might be available in the rescue image
if anaconda.ksdata and anaconda.ksdata.scripts:
from kickstart import runPostScripts
runPostScripts(anaconda)
else:
runShell()
sys.exit(0)
screen = SnackScreen()
anaconda.intf = RescueInterface(screen)
if anaconda.ksdata:
if anaconda.ksdata.rescue and anaconda.ksdata.rescue.romount:
readOnly = 1
else:
readOnly = 0
else:
# prompt to see if we should try and find root filesystem and mount
# everything in /etc/fstab on that root
while True:
rc = ButtonChoiceWindow(
screen, _("Rescue"),
_("The rescue environment will now attempt to find your "
"Linux installation and mount it under the directory "
"%s. You can then make any changes required to your "
"system. If you want to proceed with this step choose "
"'Continue'. You can also choose to mount your file systems "
"read-only instead of read-write by choosing 'Read-Only'. "
"If you need to activate SAN devices choose 'Advanced'."
"\n\n"
"If for some reason this process fails you can choose 'Skip' "
"and this step will be skipped and you will go directly to a "
"command shell.\n\n") % (anaconda.rootPath, ),
[_("Continue"),
_("Read-Only"),
_("Skip"),
_("Advanced")])
if rc == string.lower(_("Skip")):
runShell(screen)
sys.exit(0)
elif rc == string.lower(_("Advanced")):
addDialog = addDriveDialog(anaconda)
addDialog.addDriveDialog(screen)
continue
elif rc == string.lower(_("Read-Only")):
readOnly = 1
else:
readOnly = 0
break
import storage
storage.storageInitialize(anaconda)
(disks, notUpgradable) = storage.findExistingRootDevices(anaconda,
upgradeany=True)
if not disks:
root = None
elif (len(disks) == 1) or anaconda.ksdata:
root = disks[0]
else:
height = min(len(disks), 12)
if height == 12:
scroll = 1
else:
scroll = 0
devList = []
for (device, relstr) in disks:
if getattr(device.format, "label", None):
devList.append("%s (%s) - %s" %
(device.name, device.format.label, relstr))
else:
devList.append("%s - %s" % (device.name, relstr))
(button, choice) = \
ListboxChoiceWindow(screen, _("System to Rescue"),
_("Which device holds the root partition "
"of your installation?"), devList,
[ _("OK"), _("Exit") ], width = 30,
scroll = scroll, height = height,
help = "multipleroot")
if button == string.lower(_("Exit")):
root = None
else:
root = disks[choice]
rootmounted = 0
if root:
try:
rc = mountExistingSystem(anaconda,
root,
allowDirty=1,
warnDirty=1,
readOnly=readOnly)
if not flags.imageInstall:
msg = _("The system will reboot automatically when you exit "
"from the shell.")
else:
msg = _("Run %s to unmount the system "
"when you are finished.") % ANACONDA_CLEANUP
if rc == -1:
if anaconda.ksdata:
log.error(
"System had dirty file systems which you chose not to mount"
)
else:
ButtonChoiceWindow(
screen,
_("Rescue"),
_("Your system had dirty file systems which you chose not "
"to mount. Press return to get a shell from which "
"you can fsck and mount your partitions. %s") % msg,
[_("OK")],
width=50)
rootmounted = 0
else:
if anaconda.ksdata:
log.info("System has been mounted under: %s" %
anaconda.rootPath)
else:
ButtonChoiceWindow(
screen, _("Rescue"),
_("Your system has been mounted under %(rootPath)s.\n\n"
"Press <return> to get a shell. If you would like to "
"make your system the root environment, run the command:\n\n"
"\tchroot %(rootPath)s\n\n%(msg)s") % {
'rootPath': anaconda.rootPath,
'msg': msg
}, [_("OK")])
rootmounted = 1
# now turn on swap
if not readOnly:
try:
anaconda.storage.turnOnSwap()
except:
log.error("Error enabling swap")
# and /selinux too
if flags.selinux and os.path.isdir("%s/selinux" %
(anaconda.rootPath, )):
# we have to catch the possible exception
# because we support read-only mounting
try:
fd = open("%s/.autorelabel" % anaconda.rootPath, "w+")
fd.close()
except Exception, e:
log.warning("cannot touch /.autorelabel")
# set a library path to use mounted fs
libdirs = os.environ.get("LD_LIBRARY_PATH", "").split(":")
mounted = map(lambda dir: "/mnt/sysimage%s" % dir, libdirs)
os.environ["LD_LIBRARY_PATH"] = ":".join(libdirs + mounted)
# find groff data dir
try:
glst = os.listdir("/mnt/sysimage/usr/share/groff")
# find a directory which is a numeral, its where
# data files are
gversion = None
for gdir in glst:
try:
isone = 1
for idx in range(0, len(gdir)):
if string.find(string.digits + '.',
gdir[idx]) == -1:
isone = 0
break
if isone:
gversion = gdir
break
except:
gversion = None
continue
except:
gversion = None
if gversion is not None:
gpath = "/mnt/sysimage/usr/share/groff/" + gversion
os.environ["GROFF_FONT_PATH"] = gpath + '/font'
os.environ[
"GROFF_TMAC_PATH"] = "%s:/mnt/sysimage/usr/share/groff/site-tmac" % (
gpath + '/tmac', )
# do we have bash?
try:
if os.access("/usr/bin/bash", os.R_OK):
os.symlink("/usr/bin/bash", "/bin/bash")
except:
pass
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]
log.error(str(exc) + ": " + str(val))
if exc in (IndexError, ValueError, SyntaxError):
raise exc, val, sys.exc_info()[2]
if anaconda.ksdata:
log.error(
"An error occurred trying to mount some or all of your system"
)
else:
if not flags.imageInstall:
msg = _("The system will reboot automatically when you "
"exit from the shell.")
else:
msg = _("Run %s to unmount the system "
"when you are finished.") % ANACONDA_CLEANUP
ButtonChoiceWindow(
screen, _("Rescue"),
_("An error occurred trying to mount some or all of your "
"system. Some of it may be mounted under %s.\n\n"
"Press <return> to get a shell. %s") %
(anaconda.rootPath, msg), [_("OK")])
else:
if anaconda.ksdata and \
anaconda.ksdata.reboot.action in [KS_REBOOT, KS_SHUTDOWN]:
log.info("No Linux partitions found")
screen.finish()
print(_("You don't have any Linux partitions. Rebooting.\n"))
sys.exit(0)
else:
if not flags.imageInstall:
msg = _(" The system will reboot automatically when you exit "
"from the shell.")
else:
msg = ""
ButtonChoiceWindow(screen,
_("Rescue Mode"),
_("You don't have any Linux partitions. Press "
"return to get a shell.%s") % msg, [_("OK")],
width=50)
msgStr = ""
if rootmounted and not readOnly:
anaconda.storage.makeMtab(root=anaconda.rootPath)
try:
makeResolvConf(anaconda.rootPath)
except Exception, e:
log.error("error making a resolv.conf: %s" % (e, ))
msgStr = _("Your system is mounted under the %s directory.") % (
anaconda.rootPath, )
ButtonChoiceWindow(screen, _("Rescue"), msgStr, [_("OK")])
