| # Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import logging, os, re |
| from autotest_lib.client.bin import utils |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.cros import crash_test |
| |
| |
| _25_HOURS_AGO = -25 * 60 * 60 |
| _CRASH_SENDER_CRON_PATH = '/etc/cron.hourly/crash_sender.hourly' |
| _DAILY_RATE_LIMIT = 32 |
| _MIN_UNIQUE_TIMES = 4 |
| _SECONDS_SEND_SPREAD = 3600 |
| |
| class logging_CrashSender(crash_test.CrashTest): |
| version = 1 |
| |
| |
| def _check_hardware_info(self, result): |
| # Get board name |
| lsb_release = utils.read_file('/etc/lsb-release') |
| board_match = re.search(r'CHROMEOS_RELEASE_BOARD=(.*)', lsb_release) |
| if not ('Board: %s' % board_match.group(1)) in result['output']: |
| raise error.TestFail('Missing board name %s in output' % |
| board_match.group(1)) |
| # Get hwid |
| with os.popen("crossystem hwid 2>/dev/null", "r") as hwid_proc: |
| hwclass = hwid_proc.read() |
| if not hwclass: |
| hwclass = 'undefined' |
| if not ('HWClass: %s' % hwclass) in result['output']: |
| raise error.TestFail('Expected hwclass %s in output' % hwclass) |
| |
| |
| def _check_simple_minidump_send(self, report, log_path=None): |
| result = self._call_sender_one_crash(report=report) |
| if (result['report_exists'] or |
| result['rate_count'] != 1 or |
| not result['send_attempt'] or |
| not result['send_success'] or |
| result['sleep_time'] < 0 or |
| result['sleep_time'] >= _SECONDS_SEND_SPREAD or |
| result['report_kind'] != 'minidump' or |
| result['report_payload'] != '/var/spool/crash/fake.dmp' or |
| result['exec_name'] != 'fake' or |
| not 'Version: my_ver' in result['output']): |
| raise error.TestFail('Simple minidump send failed') |
| if log_path and not ('log: @%s' % log_path) in result['output']: |
| raise error.TestFail('Minidump send missing log') |
| self._check_hardware_info(result) |
| |
| |
| def _test_sender_simple_minidump(self): |
| """Test sending a single minidump crash report.""" |
| self._check_simple_minidump_send(None) |
| |
| |
| def _test_sender_simple_minidump_with_log(self): |
| """Test that a minidump report with an auxiliary log is sent.""" |
| dmp_path = self.write_crash_dir_entry('fake.dmp', '') |
| log_path = self.write_crash_dir_entry('fake.log', '') |
| meta_path = self.write_fake_meta('fake.meta', 'fake', dmp_path, |
| log=log_path) |
| self._check_simple_minidump_send(meta_path, log_path) |
| |
| |
| def _shift_file_mtime(self, path, delta): |
| statinfo = os.stat(path) |
| os.utime(path, (statinfo.st_atime, |
| statinfo.st_mtime + delta)) |
| |
| |
| def _test_sender_simple_old_minidump(self): |
| """Test that old minidumps and metadata are sent.""" |
| dmp_path = self.write_crash_dir_entry('fake.dmp', '') |
| meta_path = self.write_fake_meta('fake.meta', 'fake', dmp_path) |
| self._shift_file_mtime(dmp_path, _25_HOURS_AGO) |
| self._shift_file_mtime(meta_path, _25_HOURS_AGO) |
| self._check_simple_minidump_send(meta_path) |
| |
| |
| def _test_sender_simple_kernel_crash(self): |
| """Test sending a single kcrash report.""" |
| kcrash_fake_report = self.write_crash_dir_entry( |
| 'kernel.today.kcrash', '') |
| self.write_fake_meta('kernel.today.meta', |
| 'kernel', |
| kcrash_fake_report) |
| result = self._call_sender_one_crash(report=kcrash_fake_report) |
| if (result['report_exists'] or |
| result['rate_count'] != 1 or |
| not result['send_attempt'] or |
| not result['send_success'] or |
| result['sleep_time'] < 0 or |
| result['sleep_time'] >= _SECONDS_SEND_SPREAD or |
| result['report_kind'] != 'kcrash' or |
| (result['report_payload'] != |
| '/var/spool/crash/kernel.today.kcrash') or |
| result['exec_name'] != 'kernel'): |
| raise error.TestFail('Simple kcrash send failed') |
| self._check_hardware_info(result) |
| |
| |
| def _test_sender_pausing(self): |
| """Test the sender returns immediately when the pause file is present. |
| |
| This is testing the sender's test functionality - if this regresses, |
| other tests can become flaky because the cron-started sender may run |
| asynchronously to these tests. Disable child sending as normally |
| this environment configuration allows our children to run in spite of |
| the pause file.""" |
| self._set_system_sending(False) |
| self._set_child_sending(False) |
| result = self._call_sender_one_crash() |
| if (not result['report_exists'] or |
| not 'Exiting early due to' in result['output'] or |
| result['send_attempt']): |
| raise error.TestFail('Sender did not pause') |
| |
| |
| def _test_sender_reports_disabled(self): |
| """Test that when reporting is disabled, we don't send.""" |
| result = self._call_sender_one_crash(reports_enabled=False) |
| if (result['report_exists'] or |
| not 'Uploading is disabled' in result['output'] or |
| result['send_attempt']): |
| raise error.TestFail('Sender did not handle reports disabled') |
| |
| |
| def _test_sender_rate_limiting(self): |
| """Test the sender properly rate limits and sends with delay.""" |
| sleep_times = [] |
| for i in range(1, _DAILY_RATE_LIMIT + 1): |
| result = self._call_sender_one_crash() |
| if not result['send_attempt'] or not result['send_success']: |
| raise error.TestFail('Crash uploader did not send on #%d' % i) |
| if result['rate_count'] != i: |
| raise error.TestFail('Did not properly persist rate on #%d' % i) |
| sleep_times.append(result['sleep_time']) |
| logging.debug('Sleeps between sending crashes were: %s' % sleep_times) |
| unique_times = {} |
| for i in range(0, _DAILY_RATE_LIMIT): |
| unique_times[sleep_times[i]] = True |
| if len(unique_times) < _MIN_UNIQUE_TIMES: |
| raise error.TestFail('Expected at least %d unique times: %s' % |
| _MIN_UNIQUE_TIMES, sleep_times) |
| # Now the _DAILY_RATE_LIMIT ^ th send request should fail. |
| result = self._call_sender_one_crash() |
| if (not result['report_exists'] or |
| not 'Cannot send more crashes' in result['output'] or |
| result['rate_count'] != _DAILY_RATE_LIMIT): |
| raise error.TestFail('Crash rate limiting did not take effect') |
| |
| # Set one rate file a day earlier and verify can send |
| rate_files = os.listdir(self._CRASH_SENDER_RATE_DIR) |
| rate_path = os.path.join(self._CRASH_SENDER_RATE_DIR, rate_files[0]) |
| self._shift_file_mtime(rate_path, _25_HOURS_AGO) |
| utils.system('ls -l ' + self._CRASH_SENDER_RATE_DIR) |
| result = self._call_sender_one_crash() |
| if (not result['send_attempt'] or |
| not result['send_success'] or |
| result['rate_count'] != _DAILY_RATE_LIMIT): |
| raise error.TestFail('Crash not sent even after 25hrs pass') |
| |
| |
| def _test_sender_single_instance(self): |
| """Test the sender fails to start when another instance is running. |
| |
| Here we rely on the sender not checking the other running pid |
| is of the same instance. |
| """ |
| utils.open_write_close(self._CRASH_SENDER_RUN_PATH, str(os.getpid())) |
| result = self._call_sender_one_crash() |
| if (not 'Already running.' in result['output'] or |
| result['send_attempt'] or not result['report_exists']): |
| raise error.TestFail('Allowed multiple instances to run') |
| os.remove(self._CRASH_SENDER_RUN_PATH) |
| |
| |
| def _test_sender_send_fails(self): |
| """Test that when the send fails we try again later.""" |
| result = self._call_sender_one_crash(send_success=False) |
| if not result['send_attempt'] or result['send_success']: |
| raise error.TestError('Did not properly cause a send failure') |
| if result['rate_count'] != 1: |
| raise error.TestFail('Did not count a failed send against rate ' |
| 'limiting') |
| if not result['report_exists']: |
| raise error.TestFail('Expected minidump to be saved for later ' |
| 'sending') |
| |
| |
| def _test_sender_orphaned_files(self): |
| """Test that payload and unknown files that are old are removed.""" |
| core_file = self.write_crash_dir_entry('random1.core', '') |
| unknown_file = self.write_crash_dir_entry('.unknown', '') |
| # As new files, we expect crash_sender to leave these alone. |
| results = self._call_sender_one_crash() |
| if ('Removing old orphaned file' in results['output'] or |
| not os.path.exists(core_file) or |
| not os.path.exists(unknown_file)): |
| raise error.TestFail('New orphaned files were removed') |
| self._shift_file_mtime(core_file, _25_HOURS_AGO) |
| self._shift_file_mtime(unknown_file, _25_HOURS_AGO) |
| results = self._call_sender_one_crash() |
| if (not 'Removing old orphaned file' in results['output'] or |
| os.path.exists(core_file) or os.path.exists(unknown_file)): |
| raise error.TestFail( |
| 'Old orphaned files were not removed') |
| |
| |
| def _test_sender_incomplete_metadata(self): |
| """Test that incomplete metadata file is removed once old.""" |
| dmp_file = self.write_crash_dir_entry('incomplete.dmp', '') |
| meta_file = self.write_fake_meta('incomplete.meta', |
| 'unknown', |
| dmp_file, |
| complete=False) |
| # As new files, we expect crash_sender to leave these alone. |
| results = self._call_sender_one_crash() |
| if ('Removing recent incomplete report' in results['output'] or |
| not os.path.exists(meta_file) or |
| not os.path.exists(dmp_file)): |
| raise error.TestFail('New unknown files were removed') |
| self._shift_file_mtime(meta_file, _25_HOURS_AGO) |
| results = self._call_sender_one_crash() |
| if (not 'Removing old incomplete metadata' in results['output'] or |
| os.path.exists(meta_file) or os.path.exists(dmp_file)): |
| raise error.TestFail( |
| 'Old unknown/incomplete files were not removed') |
| |
| |
| def _test_sender_missing_payload(self): |
| meta_file = self.write_fake_meta('bad.meta', |
| 'unknown', |
| 'bad.dmp') |
| other_file = self.write_crash_dir_entry('bad.other', '') |
| results = self._call_sender_one_crash(report=meta_file) |
| # Should remove this file. |
| if (not 'Missing payload' in results['output'] or |
| os.path.exists(meta_file) or |
| os.path.exists(other_file)): |
| raise error.TestFail('Missing payload case handled wrong') |
| |
| |
| def run_once(self): |
| self.run_crash_tests([ |
| 'sender_simple_minidump', |
| 'sender_simple_old_minidump', |
| 'sender_simple_minidump_with_log', |
| 'sender_simple_kernel_crash', |
| 'sender_pausing', |
| 'sender_reports_disabled', |
| 'sender_rate_limiting', |
| 'sender_single_instance', |
| 'sender_send_fails', |
| 'sender_orphaned_files', |
| 'sender_incomplete_metadata', |
| 'sender_missing_payload']); |
