1
# Copyright (C) 2009, 2010 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18
"""Handling and reporting crashes.
20
A crash is an exception propagated up almost to the top level of Bazaar.
22
If we have apport <https://launchpad.net/apport/>, we store a report of the
23
crash using apport into it's /var/crash spool directory, from where the user
24
can either manually send it to Launchpad. In some cases (at least Ubuntu
25
development releases), Apport may pop up a window asking if they want
28
Without apport, we just write a crash report to stderr and the user can report
29
this manually if the wish.
31
We never send crash data across the network without user opt-in.
33
In principle apport can run on any platform though as of Feb 2010 there seem
34
to be some portability bugs.
36
To force this off in bzr turn set APPORT_DISABLE in the environment or
40
# for interactive testing, try the 'bzr assert-fail' command
41
# or see http://code.launchpad.net/~mbp/bzr/bzr-fail
43
# to test with apport it's useful to set
44
# export APPORT_IGNORE_OBSOLETE_PACKAGES=1
51
from StringIO import StringIO
63
def report_bug(exc_info, stderr):
64
if ('no_apport' in debug.debug_flags) or \
65
os.environ.get('APPORT_DISABLE', None):
66
return report_bug_legacy(exc_info, stderr)
68
if report_bug_to_apport(exc_info, stderr):
69
# wrote a file; if None then report the old way
71
except ImportError, e:
72
trace.mutter("couldn't find apport bug-reporting library: %s" % e)
75
# this should only happen if apport is installed but it didn't
76
# work, eg because of an io error writing the crash file
77
stderr.write("bzr: failed to report crash using apport:\n "
80
return report_bug_legacy(exc_info, stderr)
83
def report_bug_legacy(exc_info, err_file):
84
"""Report a bug by just printing a message to the user."""
85
trace.print_exception(exc_info, err_file)
87
err_file.write('bzr %s on python %s (%s)\n' % \
89
bzrlib._format_version_tuple(sys.version_info),
90
platform.platform(aliased=1)))
91
err_file.write('arguments: %r\n' % sys.argv)
93
'encoding: %r, fsenc: %r, lang: %r\n' % (
94
osutils.get_user_encoding(), sys.getfilesystemencoding(),
95
os.environ.get('LANG')))
96
err_file.write("plugins:\n")
97
err_file.write(_format_plugin_list())
100
"*** Bazaar has encountered an internal error. This probably indicates a\n"
101
" bug in Bazaar. You can help us fix it by filing a bug report at\n"
102
" https://bugs.launchpad.net/bzr/+filebug\n"
103
" including this traceback and a description of the problem.\n"
107
def report_bug_to_apport(exc_info, stderr):
108
"""Report a bug to apport for optional automatic filing.
110
:returns: The name of the crash file, or None if we didn't write one.
112
# this function is based on apport_package_hook.py, but omitting some of the
113
# Ubuntu-specific policy about what to report and when
115
# if the import fails, the exception will be caught at a higher level and
116
# we'll report the error by other means
119
crash_filename = _write_apport_report_to_file(exc_info)
121
if crash_filename is None:
123
"apport is set to ignore crashes in this version of bzr.\n"
126
trace.print_exception(exc_info, stderr)
128
"You can report this problem to Bazaar's developers by running\n"
130
"if a bug-reporting window does not automatically appear.\n"
132
# XXX: on Windows, Mac, and other platforms where we might have the
133
# apport libraries but not have an apport always running, we could
134
# synchronously file now
136
return crash_filename
139
def _write_apport_report_to_file(exc_info):
141
from apport.report import Report
143
exc_type, exc_object, exc_tb = exc_info
146
# add_proc_info gives you the memory map of the process, which is not so
147
# useful for Bazaar but does tell you what binary libraries are loaded.
148
# More importantly it sets the ExecutablePath, InterpreterPath, etc.
152
# Package and SourcePackage are needed so that apport will report about even
153
# non-packaged versions of bzr; also this reports on their packaged
154
# dependencies which is useful.
155
pr['SourcePackage'] = 'bzr'
156
pr['Package'] = 'bzr'
158
pr['CommandLine'] = pprint.pformat(sys.argv)
159
pr['BzrVersion'] = bzrlib.__version__
160
pr['PythonVersion'] = bzrlib._format_version_tuple(sys.version_info)
161
pr['Platform'] = platform.platform(aliased=1)
162
pr['UserEncoding'] = osutils.get_user_encoding()
163
pr['FileSystemEncoding'] = sys.getfilesystemencoding()
164
pr['Locale'] = os.environ.get('LANG')
165
pr['BzrPlugins'] = _format_plugin_list()
166
pr['PythonLoadedModules'] = _format_module_list()
167
pr['BzrDebugFlags'] = pprint.pformat(debug.debug_flags)
169
# actually we'd rather file directly against the upstream product, but
170
# apport does seem to count on there being one in there; we might need to
171
# redirect it elsewhere anyhow
172
pr['SourcePackage'] = 'bzr'
173
pr['Package'] = 'bzr'
175
# tell apport to file directly against the bzr package using
176
# <https://bugs.edge.launchpad.net/bzr/+bug/391015>
178
# XXX: unfortunately apport may crash later if the crashdb definition
180
pr['CrashDb'] = 'bzr'
183
traceback.print_exception(exc_type, exc_object, exc_tb, file=tb_file)
184
pr['Traceback'] = tb_file.getvalue()
188
# We want to use the 'bzr' crashdb so that it gets sent directly upstream,
189
# which is a reasonable default for most internal errors. However, if we
190
# set it here then apport will crash later if it doesn't know about that
191
# crashdb. Instead, we rely on the bzr package installing both a
192
# source hook telling crashes to go to this crashdb, and a crashdb
193
# configuration describing it.
195
# these may contain some sensitive info (smtp_passwords)
196
# TODO: strip that out and attach the rest
198
#attach_file_if_exists(report,
199
# os.path.join(dot_bzr, 'bazaar.conf', 'BzrConfig')
200
#attach_file_if_exists(report,
201
# os.path.join(dot_bzr, 'locations.conf', 'BzrLocations')
203
# strip username, hostname, etc
206
if pr.check_ignored():
207
# eg configured off in ~/.apport-ignore.xml
210
crash_file_name, crash_file = _open_crash_file()
213
return crash_file_name
216
def _attach_log_tail(pr):
218
bzr_log = open(trace._get_bzr_log_filename(), 'rt')
219
except (IOError, OSError), e:
220
pr['BzrLogTail'] = repr(e)
223
lines = bzr_log.readlines()
224
pr['BzrLogTail'] = ''.join(lines[-40:])
229
def _open_crash_file():
230
crash_dir = config.crash_dir()
231
if not osutils.isdir(crash_dir):
232
# on unix this should be /var/crash and should already exist; on
233
# Windows or if it's manually configured it might need to be created,
234
# and then it should be private
235
os.makedirs(crash_dir, mode=0600)
236
date_string = time.strftime('%Y-%m-%dT%H:%M', time.gmtime())
237
# XXX: getuid doesn't work on win32, but the crash directory is per-user
238
if sys.platform == 'win32':
241
user_part = '.%d' % os.getuid()
242
filename = osutils.pathjoin(
247
# be careful here that people can't play tmp-type symlink mischief in the
248
# world-writable directory
249
return filename, os.fdopen(
251
os.O_WRONLY|os.O_CREAT|os.O_EXCL,
256
def _format_plugin_list():
258
for name, a_plugin in sorted(plugin.plugins().items()):
259
plugin_lines.append(" %-20s %s [%s]" %
260
(name, a_plugin.path(), a_plugin.__version__))
261
return '\n'.join(plugin_lines)
264
def _format_module_list():
265
return pprint.pformat(sys.modules)
added
removed
bzrlib/crash.py
