How to use _call_all_drones method in autotest

Best Python code snippet using autotest_python

drone_manager.py

Source:drone_manager.py

...85        self._results_drone = drones.get_drone(results_repository_hostname)86        # don't initialize() the results drone - we don't want to clear out any87        # directories and we don't need ot kill any processes88    def reinitialize_drones(self):89        self._call_all_drones('initialize', self._results_dir)90    def shutdown(self):91        for drone in self.get_drones():92            drone.shutdown()93    def _add_drone(self, hostname):94        logging.info('Adding drone %s' % hostname)95        drone = drones.get_drone(hostname)96        self._drones[drone.hostname] = drone97        return drone98    def _remove_drone(self, hostname):99        self._drones.pop(hostname, None)100    def refresh_drone_configs(self):101        """102        Reread global config options for all drones.103        """104        config = global_config.global_config105        section = scheduler_config.CONFIG_SECTION106        config.parse_config_file()107        for hostname, drone in self._drones.iteritems():108            disabled = config.get_config_value(109                section, '%s_disabled' % hostname, default='')110            drone.enabled = not bool(disabled)111            drone.max_processes = config.get_config_value(112                section, '%s_max_processes' % hostname, type=int,113                default=scheduler_config.config.max_processes_per_drone)114    def get_drones(self):115        return self._drones.itervalues()116    def _get_drone_for_process(self, process):117        return self._drones[process.hostname]118    def _get_drone_for_pidfile_id(self, pidfile_id):119        pidfile_contents = self.get_pidfile_contents(pidfile_id)120        assert pidfile_contents.process is not None121        return self._get_drone_for_process(pidfile_contents.process)122    def _drop_old_pidfiles(self):123        for pidfile_id, age in self._pidfile_age.items():124            if age > self._MAX_PIDFILE_AGE:125                del self._pidfile_age[pidfile_id]126            else:127                self._pidfile_age[pidfile_id] += 1128    def _reset(self):129        self._processes = {}130        self._process_set = set()131        self._pidfiles = {}132        self._pidfiles_second_read = {}133        self._drone_queue = []134    def _call_all_drones(self, method, *args, **kwargs):135        all_results = {}136        for drone in self.get_drones():137            all_results[drone] = drone.call(method, *args, **kwargs)138        return all_results139    def _parse_pidfile(self, drone, raw_contents):140        contents = PidfileContents()141        if not raw_contents:142            return contents143        lines = raw_contents.splitlines()144        if len(lines) > 3:145            return InvalidPidfile('Corrupt pid file (%d lines):\n%s' %146                                  (len(lines), lines))147        try:148            pid = int(lines[0])149            contents.process = Process(drone.hostname, pid)150            # if len(lines) == 2, assume we caught Autoserv between writing151            # exit_status and num_failed_tests, so just ignore it and wait for152            # the next cycle153            if len(lines) == 3:154                contents.exit_status = int(lines[1])155                contents.num_tests_failed = int(lines[2])156        except ValueError, exc:157            return InvalidPidfile('Corrupt pid file: ' + str(exc.args))158        return contents159    def _process_pidfiles(self, drone, pidfiles, store_in_dict):160        for pidfile_path, contents in pidfiles.iteritems():161            pidfile_id = PidfileId(pidfile_path)162            contents = self._parse_pidfile(drone, contents)163            store_in_dict[pidfile_id] = contents164    def _add_process(self, drone, process_info):165        process = Process(drone.hostname, int(process_info['pid']),166                          int(process_info['ppid']))167        self._process_set.add(process)168        return process169    def _add_autoserv_process(self, drone, process_info):170        assert process_info['comm'] == 'autoserv'171        # only root autoserv processes have pgid == pid172        if process_info['pgid'] != process_info['pid']:173            return174        process = self._add_process(drone, process_info)175        execution_tag = self._execution_tag_for_process(drone, process_info)176        self._processes[execution_tag] = process177    def _enqueue_drone(self, drone):178        heapq.heappush(self._drone_queue, (drone.used_capacity(), drone))179    def refresh(self):180        """181        Called at the beginning of a scheduler cycle to refresh all process182        information.183        """184        self._reset()185        self._drop_old_pidfiles()186        pidfile_paths = [pidfile_id.path for pidfile_id in self._pidfile_age]187        all_results = self._call_all_drones('refresh', pidfile_paths)188        for drone, results_list in all_results.iteritems():189            results = results_list[0]190            drone.active_processes = len(results['autoserv_processes'])191            if drone.enabled:192                self._enqueue_drone(drone)193            for process_info in results['autoserv_processes']:194                self._add_autoserv_process(drone, process_info)195            for process_info in results['parse_processes']:196                self._add_process(drone, process_info)197            self._process_pidfiles(drone, results['pidfiles'], self._pidfiles)198            self._process_pidfiles(drone, results['pidfiles_second_read'],199                                   self._pidfiles_second_read)200    def _execution_tag_for_process(self, drone, process_info):201        execution_tag = self._extract_execution_tag(process_info['args'])...

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