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#
# exception.py - general exception formatting and saving
#
# Copyright (C) 2000-2012 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): Chris Lumens <clumens@redhat.com>
# David Cantrell <dcantrell@redhat.com>
#
from meh.handler import *
from meh.dump import *
import isys
import sys
import os
import shutil
import signal
from flags import flags
import kickstart
import storage.errors
from pyanaconda.constants import ROOT_PATH
from gi.repository import GLib
import logging
log = logging.getLogger("anaconda")
import gettext
_ = lambda x: gettext.ldgettext("anaconda", x)
class AnacondaExceptionHandler(ExceptionHandler):
def handleException(self, (ty, value, tb), obj):
def run_handleException_on_idle(args_tuple):
"""
Helper function with one argument only so that it can be registered
with GLib.idle_add() to run on idle.
@param args_tuple: ((ty, value, tb), obj)
"""
trace, obj = args_tuple
ty, value, tb = trace
super(AnacondaExceptionHandler, self).handleException((ty, value, tb),
obj)
if issubclass(ty, storage.errors.StorageError) and value.hardware_fault:
hw_error_msg = _("The installation was stopped due to what "
"seems to be a problem with your hardware. "
"The exact error message is:\n\n%s.\n\n "
"The installer will now terminate.") % str(value)
self.intf.showError(hw_error_msg)
sys.exit(0)
else:
if GLib.main_depth() > 0:
# main loop is running, don't crash it by running another one
# potentially from a different thread
GLib.idle_add(run_handleException_on_idle,
((ty, value, tb), obj))
else:
super(AnacondaExceptionHandler, self).handleException(
(ty, value, tb), obj)
def postWriteHook(self, (ty, value, tb), anaconda):
# See if /mnt/sysimage is present and put exception there as well
if os.access("/mnt/sysimage/root", os.X_OK):
try:
dest = "/mnt/sysimage/root/%s" % os.path.basename(self.exnFile)
shutil.copyfile(self.exnFile, dest)
except:
log.error("Failed to copy %s to /mnt/sysimage/root" % self.exnFile)
pass
# run kickstart traceback scripts (if necessary)
try:
kickstart.runTracebackScripts(anaconda.ksdata.scripts)
except:
pass
def runDebug(self, (ty, value, tb)):
# vtActivate does not work on certain ppc64 machines, so just skip
# that and continue with the rest of the debugger setup.
try:
isys.vtActivate(1)
except SystemError:
pass
pidfl = "/tmp/vncshell.pid"
if os.path.exists(pidfl) and os.path.isfile(pidfl):
pf = open(pidfl, "r")
for pid in pf.readlines():
if not int(pid) == os.getpid():
os.kill(int(pid), signal.SIGKILL)
pf.close()
os.open("/dev/console", os.O_RDWR) # reclaim stdin
os.dup2(0, 1) # reclaim stdout
os.dup2(0, 2) # reclaim stderr
# ^
# |
# +------ dup2 is magic, I tells ya!
# bring back the echo
import termios
si = sys.stdin.fileno()
attr = termios.tcgetattr(si)
attr[3] = attr[3] & termios.ECHO
termios.tcsetattr(si, termios.TCSADRAIN, attr)
print("\nEntering debugger...")
print("Use 'continue' command to quit the debugger and get back to "\
"the main window")
import pdb
pdb.post_mortem (tb)
try:
isys.vtActivate(6)
except SystemError:
pass
def initExceptionHandling(anaconda):
fileList = [ "/tmp/anaconda.log",
"/tmp/program.log", "/tmp/storage.log", "/tmp/ifcfg.log",
"/tmp/yum.log", ROOT_PATH + "/root/install.log",
ROOT_PATH + "/root/upgrade.log", "/proc/cmdline" ]
if flags.livecdInstall:
fileList.extend(["/var/log/messages"])
else:
fileList.extend(["/tmp/syslog"])
if anaconda.opts and anaconda.opts.ksfile:
fileList.extend([anaconda.opts.ksfile])
conf = Config(programName="anaconda",
programVersion=isys.getAnacondaVersion(),
attrSkipList=[ "backend.ayum",
"backend.dlpkgs",
"accounts",
"bootloader.password",
"comps",
"hdList",
"ksdata",
"instLanguage.font",
"instLanguage.kbd",
"instLanguage.info",
"instLanguage.localeInfo",
"instLanguage.nativeLangNames",
"instLanguage.tz",
"keyboard._mods._modelDict",
"keyboard.modelDict",
"storage.encryptionPassphrase",
"users.rootPassword",
"tmpData",
"intf.icw.buff",
"intf.icw.currentWindow.storage.encryptionPassphrase",
"intf.icw.stockButtons",
],
localSkipList=[ "passphrase", "password" ],
fileList=fileList)
handler = AnacondaExceptionHandler(conf, anaconda.intf, ReverseExceptionDump)
handler.install(anaconda)
return conf
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