1 # Copyright 2017 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import logging 6 7 from autotest_lib.client.bin import test 8 from autotest_lib.client.common_lib import error 9 from autotest_lib.client.common_lib import utils 10 11 12 class detachablebase_TriggerHammerd(test.test): 13 """Hammerd smoke test. 14 15 Hammerd upstart job should be invoked on boot. The job should exit normally. 16 """ 17 version = 1 18 19 # The upstart job's name. 20 PROCESS_NAME = 'hammerd' 21 22 # Path of the system log. 23 MESSAGE_PATH = '/var/log/messages' 24 25 # Message to find the start line of each boot. The boot timing is usually 26 # [ 0.000000], but in case the boot process has delay, we accept any 27 # timing within 1 second. 28 BOOT_START_LINE_MSG = 'kernel: \[ 0\.[0-9]\{6\}\] Linux version' 29 30 # Message that is printed when hammerd is triggered on boot. 31 # It is defined at `src/platform2/hammerd/init/hammerd-at-boot.sh`. 32 TRIGGER_ON_BOOT_MSG = 'Force trigger hammerd at boot.' 33 34 # Message that is printed when the hammerd job failed to terminated 35 # normally. 36 PROCESS_FAILED_MSG = '%s main process ([0-9]\+) terminated' % PROCESS_NAME 37 38 def run_once(self): 39 # Get the start line of message belonging to this current boot. 40 start_line = utils.run( 41 'grep -ni "%s" "%s" | tail -n 1 | cut -d ":" -f 1' % 42 (self.BOOT_START_LINE_MSG, self.MESSAGE_PATH), 43 ignore_status=True).stdout.strip() 44 logging.info('Start line: %s', start_line) 45 if not start_line: 46 raise error.TestError('Start line of boot is not found.') 47 48 def _grep_messages(pattern): 49 return utils.run('tail -n +%s %s | grep "%s"' % 50 (start_line, self.MESSAGE_PATH, pattern), 51 ignore_status=True).stdout 52 53 # Check hammerd is triggered on boot. 54 if not _grep_messages(self.TRIGGER_ON_BOOT_MSG): 55 raise error.TestFail('hammerd is not triggered on boot.') 56 # Check hammerd is terminated normally. 57 if _grep_messages(self.PROCESS_FAILED_MSG): 58 hammerd_log = _grep_messages(self.PROCESS_NAME) 59 logging.error('Hammerd log: %s', hammerd_log) 60 raise error.TestFail('hammerd terminated with non-zero value') 61
