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#!/usr/bin/python3
# Process all pending crashes and mark them for whoopsie upload, but do not
# upload them to any other crash database. Wait until whoopsie is done
# uploading.
#
# Copyright (c) 2013 Canonical Ltd.
# Author: Martin Pitt <martin.pitt@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 os
import stat
import sys
import time
import subprocess
import argparse
import fcntl
import errno
import logging
import zlib
import apport.fileutils
import apport
def process_report(report):
'''Collect information for a report and mark for whoopsie upload
errors.ubuntu.com does not collect any hook data anyway, so we do not need
to bother collecting it.
Return path of upload stamp if report was successfully processed, or None
otherwise.
'''
upload_stamp = '%s.upload' % report.rsplit('.', 1)[0]
# whoopsie-upload-all is only called if autoreporting of crashes is set,
# so its unlikely that systems with that set are interested in having the
# .crash file around. Additionally, having .crash files left over causes
# systemd's PathExistsGlob to be constantly triggered. See systemd issue
# #16669 and LP: #1891657 for some details.
uploaded_stamp = upload_stamp + 'ed'
if os.path.exists(uploaded_stamp) and os.path.exists(report):
report_st = os.stat(report)
uploaded_st = os.stat(uploaded_stamp)
# if the crash file is new delete the uploaded file
if uploaded_st.st_mtime < report_st.st_mtime:
os.unlink(uploaded_stamp)
if os.path.exists(upload_stamp):
upload_st = os.stat(upload_stamp)
# also delete the upload file
if upload_st.st_mtime < report_st.st_mtime:
os.unlink(upload_stamp)
if os.path.exists(upload_stamp):
logging.info('%s already marked for upload, skipping', report)
return upload_stamp
report_stat = None
r = apport.Report()
# make sure we're actually on the hook to write this updated report
# before we start doing expensive collection operations
try:
with open(report, 'rb') as f:
try:
fcntl.flock(f, fcntl.LOCK_EX | fcntl.LOCK_NB)
except IOError:
logging.info('%s already being processed, skipping', report)
return None
r.load(f, binary='compressed')
report_stat = os.stat(report)
except Exception as e:
sys.stderr.write('ERROR: cannot load %s: %s\n' % (report, str(e)))
return None
if r.get('ProblemType', '') != 'Crash' and 'ExecutablePath' not in r:
logging.info(' skipping, not a crash')
return None
if 'Dependencies' in r:
logging.info('%s already has info collected', report)
else:
logging.info('Collecting info for %s...', report)
r.add_os_info()
try:
r.add_package_info()
except (SystemError, ValueError) as e:
sys.stderr.write('ERROR: cannot add package info on %s: %s\n' %
(report, str(e)))
return None
# add information from package specific hooks
try:
r.add_hooks_info(None)
except Exception as e:
sys.stderr.write('WARNING: hook failed for processing %s: %s\n' % (report, str(e)))
try:
r.add_gdb_info()
except (IOError, EOFError, OSError, zlib.error) as e:
# gzip.GzipFile.read can raise zlib.error. See LP bug #1947800
if hasattr(e, 'errno'):
# calling add_gdb_info raises ENOENT if the crash's executable
# is missing or gdb is not available but apport-retrace could
# still process it
if e.errno != errno.ENOENT:
sys.stderr.write('ERROR: processing %s: %s\n' % (report, str(e)))
if os.path.exists(report):
os.unlink(report)
return None
# write updated report, we use os.open and os.fdopen as
# /proc/sys/fs/protected_regular is set to 1 (LP: #1848064)
# make sure the file isn't a FIFO or symlink
try:
fd = os.open(report, os.O_NOFOLLOW | os.O_WRONLY | os.O_APPEND | os.O_NONBLOCK)
except FileNotFoundError:
# The crash report was deleted. Nothing left to do.
return None
st = os.fstat(fd)
if stat.S_ISREG(st.st_mode):
with os.fdopen(fd, 'wb') as f:
os.fchmod(fd, 0)
r.write(f, only_new=True)
os.fchmod(fd, 0o640)
# now tell whoopsie to upload the report
logging.info('Marking %s for whoopsie upload', report)
apport.fileutils.mark_report_upload(report)
assert os.path.exists(upload_stamp)
os.chown(upload_stamp, report_stat.st_uid, report_stat.st_gid)
return upload_stamp
def collect_info():
'''Collect information for all reports
Return set of all generated upload stamps.
'''
if os.geteuid() != 0:
sys.stderr.write('WARNING: Not running as root, cannot process reports'
' which are not owned by uid %i\n' % os.getuid())
stamps = set()
reports = apport.fileutils.get_all_reports()
for r in reports:
res = process_report(r)
if res:
stamps.add(res)
return stamps
def wait_uploaded(stamps, timeout):
'''Wait until all reports were uploaded.
Times out after a given number of seconds.
Return True if all reports were uploaded, False if there are some missing.
'''
logging.info('Waiting for whoopsie to upload reports (timeout: %d s)', timeout)
while timeout >= 0:
# determine missing stamps
missing = ''
for stamp in stamps:
uploaded = stamp + 'ed'
if os.path.exists(stamp) and not os.path.exists(uploaded):
missing += uploaded + ' '
if not missing:
return True
logging.info(' missing (remaining: %d s): %s', timeout, missing)
time.sleep(10)
timeout -= 10
return False
def main() -> None:
parser = argparse.ArgumentParser(description='Noninteractively upload all '
'Apport crash reports to errors.ubuntu.com')
parser.add_argument('-t', '--timeout', default=0, type=int,
help='seconds to wait for whoopsie to upload the reports (default: do not wait)')
parser.add_argument("--loglevel", default="info",
help="log level (default: info)")
opts = parser.parse_args()
numeric_level = getattr(logging, opts.loglevel.upper(), None)
if not isinstance(numeric_level, int):
raise ValueError(f"Invalid log level: {opts.loglevel}")
logging.basicConfig(level=numeric_level)
# verify that whoopsie.path is enabled
if subprocess.call(['/bin/systemctl', '--quiet', 'is-enabled', 'whoopsie.path'], stdout=subprocess.PIPE) != 0:
sys.stderr.write('ERROR: whoopsie.path is not enabled\n')
sys.exit(1)
stamps = collect_info()
# print('stamps:', stamps)
if stamps:
# Touch the directory that is monitored by whoopsie.path so that
# whoopsie.service can activate. Ideally, this directory and the one
# that apport-autoreport.path monitors would be different but they are
# the same currently.
os.utime(apport.fileutils.report_dir)
if opts.timeout > 0:
if not wait_uploaded(stamps, opts.timeout):
sys.exit(2)
logging.info('All reports uploaded successfully')
else:
logging.info('All reports processed')
if __name__ == "__main__":
main()
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