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How to use run_banner_output method in autotest

Best Python code snippet using autotest_python

monitor_db_babysitter

Source:monitor_db_babysitter

...23    print "  -r    Run recovery mode.  (Note: recovery is implicit after"24    print "        any crash!)"25    print26    sys.exit(1)27def run_banner_output(cmd):28    """Returns ------ CMD ------\nCMD_OUTPUT in a string"""29    banner_output = '%s\n%%s\n\n' % cmd.center(60, '-')30    command_output = ''31    try:32        cmd_out = utils.run(cmd, ignore_status=True, timeout=30)33        command_output = cmd_out.stdout + cmd_out.stderr34    except error.CmdError:35        command_output = 'Timed out'36    return banner_output % command_output37def kill_all_monitors():38    logging.info("Killing all monitor_dbs")39    # try shutdown first40    status = os.system("killall -2 monitor_db.py")41    if status == 0: # were any killed?42        # give them some time to shutdown43        time.sleep(30)44        # kill any that are left45        os.system("killall monitor_db.py")46def handle_sigterm(signum, frame):47    logging.info('Caught SIGTERM')48    kill_all_monitors()49    sys.exit(1)50signal.signal(signal.SIGTERM, handle_sigterm)51class MonitorProc:52    def __init__(self, do_recovery=False):53        args = [monitor_db]54        if do_recovery:55            args.append("--recover-hosts")56        args.append(results_dir)57        kill_all_monitors()58        environ = os.environ59        scheduler_config = scheduler_logging_config.SchedulerLoggingConfig60        log_name = scheduler_config.get_log_name()61        os.environ['AUTOTEST_SCHEDULER_LOG_NAME'] = log_name62        scheduler_log_dir = scheduler_config.get_server_log_dir()63        self.log_path = os.path.join(scheduler_log_dir, log_name)64        self.log_size = 065        self.last_log_change = time.time()66        logging.info("STARTING monitor_db with log file %s" % self.log_path)67        devnull = open(os.devnull, 'w')68        self.proc = subprocess.Popen(args, stdout=devnull)69    def is_running(self):70        if self.proc.poll() is not None:71            logging.info("monitor_db DIED")72            return False73        old_size = self.log_size74        new_size = os.path.getsize(self.log_path)75        if old_size != new_size:76            logging.info("Log was touched")77            self.log_size = new_size78            self.last_log_change = time.time()79        elif self.last_log_change + STALL_TIMEOUT < time.time():80            logging.info("monitor_db STALLED")81            self.collect_stalled_info()82            return False83        return True84    def collect_stalled_info(self):85        INFO_TO_COLLECT = ['uptime',86                           'ps auxwww',87                           'iostat -k -x 2 4',88                          ]89        db_cmd = '/usr/bin/mysqladmin --verbose processlist -u%s -p%s'90        config = global_config.global_config91        try:92            user = config.get_config_value("BACKUP", "user")93            password = config.get_config_value("BACKUP", "password")94            db_cmd %= (user, password)95            INFO_TO_COLLECT.append(db_cmd)96        except global_config.ConfigError:97            pass98        stall_log_path = self.log_path + '.stall_info'99        log = open(stall_log_path, "w")100        for cmd in INFO_TO_COLLECT:101            log.write(run_banner_output(cmd))102        log.close()103logging.info("initializing")104if os.getuid() == 0:105    logging.critical("running as root, aborting!")106    sys.exit(1)107utils.write_pid("monitor_db_babysitter")108while True:109    proc = MonitorProc(do_recovery=recover)110    time.sleep(PAUSE_LENGTH)111    while proc.is_running():112        logging.info("Tick")113        time.sleep(PAUSE_LENGTH)...

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