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'''Attach generally useful information, not specific to any package.
Copyright (C) 2009 Canonical Ltd.
Authors: Matt Zimmerman <mdz@canonical.com>,
Brian Murray <brian@ubuntu.com>
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. See http://www.gnu.org/copyleft/gpl.html for
the full text of the license.
'''
import re, os, os.path, time, sys, subprocess
import apport.packaging
import apport.hookutils
import problem_report
from apport import unicode_gettext as _
from glob import glob
if sys.version < '3':
from urlparse import urljoin
from urllib2 import urlopen
(urljoin, urlopen) # pyflakes
else:
from urllib.parse import urljoin
from urllib.request import urlopen
def add_info(report, ui):
add_release_info(report)
add_kernel_info(report)
add_cloud_info(report)
add_proposed_info(report)
# collect a condensed version of /proc/cpuinfo
apport.hookutils.attach_file(report, '/proc/cpuinfo',
'ProcCpuinfo')
short_cpuinfo = []
for item in reversed(report.get('ProcCpuinfo', '').split('\n')):
short_cpuinfo.append(item)
if item.startswith('processor\t:'):
break
short_cpuinfo = reversed(short_cpuinfo)
report['ProcCpuinfoMinimal'] = '\n'.join(short_cpuinfo)
report.pop('ProcCpuinfo')
hook_errors = [k for k in report.keys() if k.startswith('HookError_')]
if hook_errors:
add_tag(report, 'apport-hook-error')
# locally installed python versions can cause a multitude of errors
if report.get('ProblemType') == 'Package' or \
'python' in report.get('InterpreterPath', '') or \
'python' in report.get('ExecutablePath', ''):
for python in ('python', 'python3'):
add_python_details('%sDetails' % python.title(), python, report)
try:
report['ApportVersion'] = apport.packaging.get_version('apport')
except ValueError:
# might happen on local installs
pass
# We want to know if people have modified apport's crashdb.conf in case
# crashes are reported to Launchpad when they shouldn't be e.g. for a
# non-development release.
apport.hookutils.attach_conffiles(report, 'apport', ui=ui)
casper_md5check = 'casper-md5check.json'
if 'LiveMediaBuild' in report:
apport.hookutils.attach_casper_md5check(report,
'/run/%s' % casper_md5check)
else:
apport.hookutils.attach_casper_md5check(report,
'/var/log/installer/%s' %
casper_md5check)
if report.get('ProblemType') == 'Package':
# every error report regarding a package should have package manager
# version information
apport.hookutils.attach_related_packages(report, ['dpkg', 'apt'])
check_for_disk_error(report)
# check to see if the real root on a persistent media is full
if 'LiveMediaBuild' in report:
st = os.statvfs('/cdrom')
free_mb = st.f_bavail * st.f_frsize / 1000000
if free_mb < 10:
report['UnreportableReason'] = 'Your system partition has less than \
%s MB of free space available, which leads to problems using applications \
and installing updates. Please free some space.' % (free_mb)
match_error_messages(report)
# these attachments will not exist if ProblemType is Bug as the package
# hook runs after the general hook
for attachment in ['DpkgTerminalLog', 'VarLogDistupgradeApttermlog']:
if attachment in report:
log_file = get_attachment_contents(report, attachment)
untrimmed_dpkg_log = log_file
check_attachment_for_errors(report, attachment)
trimmed_log = get_attachment_contents(report, attachment)
trimmed_log = trimmed_log.split('\n')
lines = []
for line in untrimmed_dpkg_log.splitlines():
if line not in trimmed_log:
lines.append(str(line))
elif line in trimmed_log:
trimmed_log.remove(line)
dpkg_log_without_error = '\n'.join(lines)
# crash reports from live system installer often expose target mount
for f in ('ExecutablePath', 'InterpreterPath'):
if f in report and report[f].startswith('/target/'):
report[f] = report[f][7:]
# Allow filing update-manager bugs with obsolete packages
if report.get('Package', '').startswith('update-manager'):
os.environ['APPORT_IGNORE_OBSOLETE_PACKAGES'] = '1'
# file bugs against OEM project for modified packages
if 'Package' in report:
v = report['Package'].split()[1]
oem_project = get_oem_project(report)
if oem_project and ('common' in v or oem_project in v):
report['CrashDB'] = 'canonical-oem'
if 'Package' in report:
package = report['Package'].split()[0]
if package:
apport.hookutils.attach_conffiles(report, package, ui=ui)
# do not file bugs against "upgrade-system" if it is not installed (LP#404727)
if package == 'upgrade-system' and 'not installed' in report['Package']:
report['UnreportableReason'] = 'You do not have the upgrade-system package installed. Please report package upgrade failures against the package that failed to install, or against upgrade-manager.'
if 'Package' in report:
package = report['Package'].split()[0]
if package:
apport.hookutils.attach_upstart_overrides(report, package)
apport.hookutils.attach_upstart_logs(report, package)
# build a duplicate signature tag for package reports
if report.get('ProblemType') == 'Package':
if 'DpkgTerminalLog' in report:
# this was previously trimmed in check_attachment_for_errors
termlog = report['DpkgTerminalLog']
elif 'VarLogDistupgradeApttermlog' in report:
termlog = get_attachment_contents(report, 'VarLogDistupgradeApttermlog')
else:
termlog = None
if termlog:
(package, version) = report['Package'].split(None, 1)
# for packages that run update-grub include /etc/default/grub
UPDATE_BOOT = ['friendly-recovery', 'linux', 'memtest86+',
'plymouth', 'ubuntu-meta', 'virtualbox-ose']
ug_failure = r'/etc/kernel/post(inst|rm)\.d/zz-update-grub exited with return code [1-9]+'
mkconfig_failure = r'/usr/sbin/grub-mkconfig.*/etc/default/grub: Syntax error'
if re.search(ug_failure, termlog) or re.search(mkconfig_failure, termlog):
if report['SourcePackage'] in UPDATE_BOOT:
apport.hookutils.attach_default_grub(report, 'EtcDefaultGrub')
dupe_sig = ''
dupe_sig_created = False
# messages we expect to see from a package manager (LP: #1692127)
pkg_mngr_msgs = re.compile(r"""^(Authenticating|
De-configuring|
Examining|
Installing|
Preparing|
Processing\ triggers|
Purging|
Removing|
Replaced|
Replacing|
Setting\ up|
Unpacking|
Would remove).*
\.\.\.\s*$""", re.X)
for line in termlog.split('\n'):
if pkg_mngr_msgs.search(line):
dupe_sig = '%s\n' % line
dupe_sig_created = True
continue
dupe_sig += '%s\n' % line
# this doesn't catch 'dpkg-divert: error' LP: #1581399
if 'dpkg: error' in dupe_sig and line.startswith(' '):
if 'trying to overwrite' in line:
conflict_pkg = re.search('in package (.*) ', line)
if conflict_pkg and not apport.packaging.is_distro_package(conflict_pkg.group(1)):
report['UnreportableReason'] = _('An Ubuntu package has a file conflict with a package that is not a genuine Ubuntu package.')
add_tag(report, 'package-conflict')
if dupe_sig_created:
# the duplicate signature should be the first failure
report['DuplicateSignature'] = 'package:%s:%s\n%s' % (package, version, dupe_sig)
break
if dupe_sig:
if dpkg_log_without_error.find(dupe_sig) != -1:
report['UnreportableReason'] = _('You have already encountered this package installation failure.')
def match_error_messages(report):
# There are enough of these now that it is probably worth refactoring...
# -mdz
if report.get('ProblemType') == 'Package':
if 'failed to install/upgrade: corrupted filesystem tarfile' in report.get('Title', ''):
report['UnreportableReason'] = 'This failure was caused by a corrupted package download or file system corruption.'
if 'is already installed and configured' in report.get('ErrorMessage', ''):
report['SourcePackage'] = 'dpkg'
def check_attachment_for_errors(report, attachment):
if report.get('ProblemType') == 'Package':
wrong_grub_msg = _('''Your system was initially configured with grub version 2, but you have removed it from your system in favor of grub 1 without configuring it. To ensure your bootloader configuration is updated whenever a new kernel is available, open a terminal and run:
sudo apt-get install grub-pc
''')
trim_dpkg_log(report)
log_file = get_attachment_contents(report, attachment)
if 'DpkgTerminalLog' in report \
and re.search(r'^Not creating /boot/grub/menu.lst as you wish', report['DpkgTerminalLog'], re.MULTILINE):
grub_hook_failure = True
else:
grub_hook_failure = False
if report['Package'] not in ['grub', 'grub2']:
# linux-image postinst emits this when update-grub fails
# https://wiki.ubuntu.com/KernelTeam/DebuggingUpdateErrors
grub_errors = [r'^User postinst hook script \[.*update-grub\] exited with value',
r'^run-parts: /etc/kernel/post(inst|rm).d/zz-update-grub exited with return code [1-9]+',
r'^/usr/sbin/grub-probe: error']
for grub_error in grub_errors:
if attachment in report and re.search(grub_error, log_file, re.MULTILINE):
# File these reports on the grub package instead
grub_package = apport.packaging.get_file_package('/usr/sbin/update-grub')
if grub_package is None or grub_package == 'grub' and 'grub-probe' not in log_file:
report['SourcePackage'] = 'grub'
if os.path.exists('/boot/grub/grub.cfg') and grub_hook_failure:
report['UnreportableReason'] = wrong_grub_msg
else:
report['SourcePackage'] = 'grub2'
if report['Package'] != 'initramfs-tools':
# update-initramfs emits this when it fails, usually invoked from the linux-image postinst
# https://wiki.ubuntu.com/KernelTeam/DebuggingUpdateErrors
if attachment in report and re.search(r'^update-initramfs: failed for ', log_file, re.MULTILINE):
# File these reports on the initramfs-tools package instead
report['SourcePackage'] = 'initramfs-tools'
if report['Package'].startswith('linux-image-') and attachment in report:
# /etc/kernel/*.d failures from kernel package postinst
m = re.search(r'^run-parts: (/etc/kernel/\S+\.d/\S+) exited with return code \d+', log_file, re.MULTILINE)
if m:
path = m.group(1)
package = apport.packaging.get_file_package(path)
if package:
report['SourcePackage'] = package
report['ErrorMessage'] = m.group(0)
if package == 'grub-pc' and grub_hook_failure:
report['UnreportableReason'] = wrong_grub_msg
else:
report['UnreportableReason'] = 'This failure was caused by a program which did not originate from Ubuntu'
error_message = report.get('ErrorMessage')
corrupt_package = 'This failure was caused by a corrupted package download or file system corruption.'
out_of_memory = 'This failure was caused by the system running out of memory.'
if 'failed to install/upgrade: corrupted filesystem tarfile' in report.get('Title', ''):
report['UnreportableReason'] = corrupt_package
if 'dependency problems - leaving unconfigured' in error_message:
report['UnreportableReason'] = 'This failure is a followup error from a previous package install failure.'
if 'failed to allocate memory' in error_message:
report['UnreportableReason'] = out_of_memory
if 'cannot access archive' in error_message:
report['UnreportableReason'] = corrupt_package
if re.search(r'(failed to read|failed in write|short read) on buffer copy', error_message):
report['UnreportableReason'] = corrupt_package
if re.search(r'(failed to read|failed to write|failed to seek|unexpected end of file or stream)', error_message):
report['UnreportableReason'] = corrupt_package
if re.search(r'(--fsys-tarfile|dpkg-deb --control) returned error exit status 2', error_message):
report['UnreportableReason'] = corrupt_package
if attachment in report and re.search(r'dpkg-deb: error.*is not a debian format archive', log_file, re.MULTILINE):
report['UnreportableReason'] = corrupt_package
if 'is already installed and configured' in report.get('ErrorMessage', ''):
# there is insufficient information in the data currently gathered
# so gather more data
report['SourcePackage'] = 'dpkg'
report['AptdaemonVersion'] = apport.packaging.get_version('aptdaemon')
apport.hookutils.attach_file_if_exists(report, '/var/log/dpkg.log', 'DpkgLog')
apport.hookutils.attach_file_if_exists(report, '/var/log/apt/term.log', 'AptTermLog')
# gather filenames in /var/crash to see if there is one for dpkg
reports = glob('/var/crash/*')
if reports:
report['CrashReports'] = apport.hookutils.command_output(
['stat', '-c', '%a:%u:%g:%s:%y:%x:%n'] + reports)
add_tag(report, 'already-installed')
def check_for_disk_error(report):
devs_to_check = []
if 'Dmesg.txt' not in report and 'CurrentDmesg.txt' not in report:
return
if 'Df.txt' not in report:
return
df = report['Df.txt']
device_error = False
for line in df:
line = line.strip('\n')
if line.endswith('/') or line.endswith('/usr') or line.endswith('/var'):
# without manipulation it'd look like /dev/sda1
device = line.split(' ')[0].strip('0123456789')
device = device.replace('/dev/', '')
devs_to_check.append(device)
dmesg = report.get('CurrentDmesg.txt', report['Dmesg.txt'])
for line in dmesg:
line = line.strip('\n')
if 'I/O error' in line:
# no device in this line
if 'journal commit I/O error' in line:
continue
for dev in devs_to_check:
if re.search(dev, line):
error_device = dev
device_error = True
break
if device_error:
report['UnreportableReason'] = 'This failure was caused by a hardware error on /dev/%s' % error_device
def add_kernel_info(report):
# This includes the Ubuntu packaged kernel version
apport.hookutils.attach_file_if_exists(report, '/proc/version_signature', 'ProcVersionSignature')
def add_release_info(report):
# https://bugs.launchpad.net/bugs/364649
media = '/var/log/installer/media-info'
apport.hookutils.attach_file_if_exists(report, media, 'InstallationMedia')
# Preinstalled Raspberry Pi images include a build date breadcrumb
apport.hookutils.attach_file_if_exists(report, '/.disk/info',
'ImageMediaBuild')
if 'ImageMediaBuild' in report:
add_tag(report, '%s-image' % report['Architecture'])
try:
with open('/proc/device-tree/compatible', 'rb') as f:
is_a_pi = any(vendor == 'raspberrypi'
for s in f.read().split(b'\0') if s
for vendor, model in (s.decode('ascii').split(',', 1),))
except FileNotFoundError:
is_a_pi = False
if is_a_pi:
add_tag(report, 'raspi-image')
# if we are running from a live system, add the build timestamp
apport.hookutils.attach_file_if_exists(
report, '/cdrom/.disk/info', 'LiveMediaBuild')
if os.path.exists('/cdrom/.disk/info'):
report['CasperVersion'] = apport.packaging.get_version('casper')
# https://wiki.ubuntu.com/FoundationsTeam/Specs/OemTrackingId
apport.hookutils.attach_file_if_exists(
report, '/var/lib/ubuntu_dist_channel', 'DistributionChannelDescriptor')
release_codename = apport.hookutils.command_output(['lsb_release', '-sc'], stderr=None)
if release_codename.startswith('Error'):
release_codename = None
else:
add_tag(report, release_codename)
if os.path.exists(media):
mtime = os.stat(media).st_mtime
human_mtime = time.strftime('%Y-%m-%d', time.gmtime(mtime))
delta = time.time() - mtime
report['InstallationDate'] = 'Installed on %s (%d days ago)' % (human_mtime, delta / 86400)
log = '/var/log/dist-upgrade/main.log'
if os.path.exists(log):
mtime = os.stat(log).st_mtime
human_mtime = time.strftime('%Y-%m-%d', time.gmtime(mtime))
delta = time.time() - mtime
# Would be nice if this also showed which release was originally installed
report['UpgradeStatus'] = 'Upgraded to %s on %s (%d days ago)' % (release_codename, human_mtime, delta / 86400)
else:
report['UpgradeStatus'] = 'No upgrade log present (probably fresh install)'
def add_proposed_info(report):
'''Tag if package comes from -proposed'''
if 'Package' not in report:
return
try:
(package, version) = report['Package'].split()[:2]
except ValueError:
print('WARNING: malformed Package field: ' + report['Package'])
return
apt_cache = subprocess.Popen(['apt-cache', 'showpkg', package],
stdout=subprocess.PIPE,
universal_newlines=True)
out = apt_cache.communicate()[0]
if apt_cache.returncode != 0:
print('WARNING: apt-cache showpkg %s failed' % package)
return
found_proposed = False
found_updates = False
found_security = False
for line in out.splitlines():
if line.startswith(version + ' ('):
if '-proposed_' in line:
found_proposed = True
if '-updates_' in line:
found_updates = True
if '-security' in line:
found_security = True
if found_proposed and not found_updates and not found_security:
add_tag(report, 'package-from-proposed')
def add_cloud_info(report):
# EC2 and Ubuntu Enterprise Cloud instances
ec2_instance = False
for pkg in ('ec2-init', 'cloud-init'):
try:
if apport.packaging.get_version(pkg):
ec2_instance = True
break
except ValueError:
pass
if ec2_instance:
metadata_url = 'http://169.254.169.254/latest/meta-data/'
ami_id_url = urljoin(metadata_url, 'ami-id')
try:
ami = urlopen(ami_id_url, timeout=5).read()
except Exception:
ami = None
if ami and ami.startswith(b'ami'):
add_tag(report, 'ec2-images')
fields = {'Ec2AMIManifest': 'ami-manifest-path',
'Ec2Kernel': 'kernel-id',
'Ec2Ramdisk': 'ramdisk-id',
'Ec2InstanceType': 'instance-type',
'Ec2AvailabilityZone': 'placement/availability-zone'}
report['Ec2AMI'] = ami
for key, value in fields.items():
try:
report[key] = urlopen(urljoin(metadata_url, value), timeout=5).read()
except Exception:
report[key] = 'unavailable'
else:
add_tag(report, 'uec-images')
def add_tag(report, tag):
report.setdefault('Tags', '')
if tag in report['Tags'].split():
return
report['Tags'] += ' ' + tag
def get_oem_project(report):
'''Determine OEM project name from Distribution Channel Descriptor
Return None if it cannot be determined or does not exist.
'''
dcd = report.get('DistributionChannelDescriptor', None)
if dcd and dcd.startswith('canonical-oem-'):
return dcd.split('-')[2]
return None
def trim_dpkg_log(report):
'''Trim DpkgTerminalLog to the most recent installation session.'''
if 'DpkgTerminalLog' not in report:
return
if not report['DpkgTerminalLog'].strip():
report['UnreportableReason'] = '/var/log/apt/term.log does not contain any data'
return
lines = []
dpkg_log = report['DpkgTerminalLog']
if isinstance(dpkg_log, bytes):
trim_re = re.compile(b'^\\(.* ... \\d+ .*\\)$')
start_re = re.compile(b'^Log started:')
else:
trim_re = re.compile('^\\(.* ... \\d+ .*\\)$')
start_re = re.compile('^Log started:')
for line in dpkg_log.splitlines():
if start_re.match(line) or trim_re.match(line):
lines = []
continue
lines.append(line)
# If trimming the log file fails, return the whole log file.
if not lines:
return
if isinstance(lines[0], str):
report['DpkgTerminalLog'] = '\n'.join(lines)
else:
report['DpkgTerminalLog'] = '\n'.join([str(line.decode('UTF-8', 'replace')) for line in lines])
def get_attachment_contents(report, attachment):
if isinstance(report[attachment], problem_report.CompressedValue):
contents = report[attachment].get_value().decode('UTF-8')
else:
contents = report[attachment]
return contents
def add_python_details(key, python, report):
'''Add comma separated details about which python is being used'''
python_path = apport.hookutils.command_output(['which', python])
if python_path.startswith('Error: '):
report[key] = 'N/A'
return
python_link = apport.hookutils.command_output(['readlink', '-f',
python_path])
python_pkg = apport.fileutils.find_file_package(python_path)
if python_pkg:
python_pkg_version = apport.packaging.get_version(python_pkg)
python_version = apport.hookutils.command_output([python_link,
'--version'])
data = '%s, %s' % (python_link, python_version)
if python_pkg:
data += ', %s, %s' % (python_pkg, python_pkg_version)
else:
data += ', unpackaged'
report[key] = data
if __name__ == '__main__':
import sys
# for testing: update report file given on command line
if len(sys.argv) != 2:
sys.stderr.write('Usage for testing this hook: %s <report file>\n' % sys.argv[0])
sys.exit(1)
report_file = sys.argv[1]
report = apport.Report()
with open(report_file, 'rb') as f:
report.load(f)
report_keys = set(report.keys())
new_report = report.copy()
add_info(new_report, None)
new_report_keys = set(new_report.keys())
# Show differences
# N.B. Some differences will exist if the report file is not from your
# system because the hook runs against your local system.
changed = 0
for key in sorted(report_keys | new_report_keys):
if key in new_report_keys and key not in report_keys:
print('+%s: %s' % (key, new_report[key]))
changed += 1
elif key in report_keys and key not in new_report_keys:
print('-%s: (deleted)' % key)
changed += 1
elif key in report_keys and key in new_report_keys:
if report[key] != new_report[key]:
print('~%s: (changed)' % key)
changed += 1
print('%d items changed' % changed)
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