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