# anaconda: The Red Hat Linux Installation program
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
# 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 .
#
# Author(s): Brent Fox
# Mike Fulbright
# Jakub Jelinek
# Jeremy Katz
# Chris Lumens
# Paul Nasrat
# Erik Troan
# Matt Wilson
#
import os
import sys
import stat
from glob import glob
from tempfile import mkstemp
import threading
from pyanaconda.bootloader import get_bootloader
from pyanaconda import constants
from pyanaconda import iutil
from pyanaconda import addons
import logging
log = logging.getLogger("anaconda")
stdoutLog = logging.getLogger("anaconda.stdout")
class Anaconda(object):
def __init__(self):
from pyanaconda import desktop
self._bootloader = None
self.canReIPL = False
self.desktop = desktop.Desktop()
self.dir = None
self.displayMode = None
self.id = None
self._instClass = None
self._intf = None
self.isHeadless = False
self.ksdata = None
self.mediaDevice = None
self.methodstr = None
self.opts = None
self._payload = None
self.proxy = None
self.proxyUsername = None
self.proxyPassword = None
self.reIPLMessage = None
self.rescue_mount = True
self.rootParts = None
self.stage2 = None
self._storage = None
self.updateSrc = None
self.mehConfig = None
# *sigh* we still need to be able to write this out
self.xdriver = None
# Data for inhibiting the screensaver
self.dbus_session_connection = None
self.dbus_inhibit_id = None
# This is used to synchronize Gtk.main calls between the graphical
# interface and error dialogs. Whoever gets to their initialization code
# first will lock gui_initializing
self.gui_initialized = threading.Lock()
@property
def bootloader(self):
if not self._bootloader:
self._bootloader = get_bootloader()
return self._bootloader
@property
def instClass(self):
if not self._instClass:
from pyanaconda.installclass import DefaultInstall
self._instClass = DefaultInstall()
return self._instClass
def _getInterface(self):
return self._intf
def _setInterface(self, v):
# "lambda cannot contain assignment"
self._intf = v
def _delInterface(self):
del self._intf
intf = property(_getInterface, _setInterface, _delInterface)
@property
def payload(self):
# Try to find the packaging payload class. First try the install
# class. If it doesn't give us one, fall back to the default.
if not self._payload:
klass = self.instClass.getBackend()
if not klass:
from pyanaconda.flags import flags
if self.ksdata.ostreesetup.seen:
from pyanaconda.packaging.rpmostreepayload import RPMOSTreePayload
klass = RPMOSTreePayload
elif flags.livecdInstall:
from pyanaconda.packaging.livepayload import LiveImagePayload
klass = LiveImagePayload
elif self.ksdata.method.method == "liveimg":
from pyanaconda.packaging.livepayload import LiveImageKSPayload
klass = LiveImageKSPayload
elif flags.dnf:
try:
from pyanaconda.packaging.dnfpayload import DNFPayload
klass = DNFPayload
except ImportError:
log.critical('Importing DNF failed.', exc_info=True)
else:
from pyanaconda.packaging.yumpayload import YumPayload
klass = YumPayload
self._payload = klass(self.ksdata)
return self._payload
@property
def protected(self):
specs = []
if os.path.exists("/run/initramfs/livedev") and \
stat.S_ISBLK(os.stat("/run/initramfs/livedev")[stat.ST_MODE]):
specs.append(os.readlink("/run/initramfs/livedev"))
if self.methodstr and self.methodstr.startswith("hd:"):
specs.append(self.methodstr[3:].split(":", 3)[0])
if self.stage2 and self.stage2.startswith("hd:"):
specs.append(self.stage2[3:].split(":", 3)[0])
# zRAM swap devices need to be protected
for zram_dev in glob("/dev/zram*"):
specs.append(zram_dev)
return specs
@property
def storage(self):
if not self._storage:
import blivet
self._storage = blivet.Blivet(ksdata=self.ksdata)
if self.instClass.defaultFS:
self._storage.setDefaultFSType(self.instClass.defaultFS)
return self._storage
def dumpState(self):
from meh import ExceptionInfo
from meh.dump import ReverseExceptionDump
from inspect import stack as _stack
from traceback import format_stack
# Skip the frames for dumpState and the signal handler.
stack = _stack()[2:]
stack.reverse()
exn = ReverseExceptionDump(ExceptionInfo(None, None, stack),
self.mehConfig)
# gather up info on the running threads
threads = "\nThreads\n-------\n"
for thread_id, frame in sys._current_frames().iteritems():
threads += "\nThread %s\n" % (thread_id,)
threads += "".join(format_stack(frame))
# dump to a unique file
(fd, filename) = mkstemp(prefix="anaconda-tb-", dir="/tmp")
dump_text = exn.traceback_and_object_dump(self)
dump_text += threads
dump_text = dump_text.encode("utf-8")
iutil.eintr_retry_call(os.write, fd, dump_text)
iutil.eintr_retry_call(os.close, fd)
# append to a given file
with open("/tmp/anaconda-tb-all.log", "a+") as f:
f.write("--- traceback: %s ---\n" % filename)
f.write(dump_text + "\n")
def initInterface(self, addon_paths=None):
if self._intf:
raise RuntimeError("Second attempt to initialize the InstallInterface")
if self.displayMode == 'g':
from pyanaconda.ui.gui import GraphicalUserInterface
self._intf = GraphicalUserInterface(self.storage, self.payload,
self.instClass, gui_lock=self.gui_initialized)
# needs to be refreshed now we know if gui or tui will take place
addon_paths = addons.collect_addon_paths(constants.ADDON_PATHS,
ui_subdir="gui")
elif self.displayMode in ['t', 'c']: # text and command line are the same
from pyanaconda.ui.tui import TextUserInterface
self._intf = TextUserInterface(self.storage, self.payload,
self.instClass)
# needs to be refreshed now we know if gui or tui will take place
addon_paths = addons.collect_addon_paths(constants.ADDON_PATHS,
ui_subdir="tui")
else:
raise RuntimeError("Unsupported displayMode: %s" % self.displayMode)
if addon_paths:
self._intf.update_paths(addon_paths)
def writeXdriver(self, root = None):
# this should go away at some point, but until it does, we
# need to keep it around.
if self.xdriver is None:
return
if root is None:
root = iutil.getSysroot()
if not os.path.isdir("%s/etc/X11" %(root,)):
os.makedirs("%s/etc/X11" %(root,), mode=0o755)
f = open("%s/etc/X11/xorg.conf" %(root,), 'w')
f.write('Section "Device"\n\tIdentifier "Videocard0"\n\tDriver "%s"\nEndSection\n' % self.xdriver)
f.close()