def generate_event()

in eventdata/parameter_sources/randomevent.py [0:0]


    def generate_event(self):
        if self.remaining_days == 0:
            raise StopIteration()

        # advance time by a few micros
        self._timestruct = self._timestamp_generator.simulate_tick(self._time_interval_current_bulk)
        # index for the current line - we may cross a date boundary later if we're above the daily logging volume
        index = self._index_name
        event = self._event
        event["@timestamp"] = self._timestruct["iso"]

        # assume a typical event size of 263 bytes but limit the file size to 4GB
        event["offset"] = (self._offset + 263) % (4 * 1024 * 1024 * 1024)

        self._agent.add_fields(event)
        self._clientip.add_fields(event)
        self._referrer.add_fields(event)
        self._request.add_fields(event)

        event["hostname"] = "web-%s-%s.elastic.co" % (event["geoip_continent_code"], next(self._web_host))

        if self.record_raw_event_size or self.daily_logging_volume:
            # determine the raw event size (as if this were contained in nginx log file). We do not bother to
            # reformat the timestamp as this is not worth the overhead.
            raw_event = '%s - - [%s] "%s %s HTTP/%s" %s %s "%s" "%s"' % (event["clientip"], event["@timestamp"],
                                                                         event["verb"], event["request"],
                                                                         event["httpversion"], event["response"],
                                                                         event["bytes"], event["referrer"],
                                                                         event["agent"])
            if self.daily_logging_volume:
                self.current_logging_volume += len(raw_event)
                if self.current_logging_volume > self.daily_logging_volume:
                    if self.remaining_days is not None:
                        self.remaining_days -= 1
                    self._timestamp_generator.skip(datetime.timedelta(days=1))
                    # advance time now for real (we usually use #simulate_tick() which will keep everything except for
                    # microseconds constant.
                    self._timestruct = self._timestamp_generator.next_timestamp()
                    self._index_name = self.__generate_index_pattern(self._timestruct)
                    self.current_logging_volume = 0

        if self.record_raw_event_size:
            # we are on the hot code path here and thus we want to avoid conditionally creating strings so we duplicate
            # the event.
            line = '{"@timestamp": "%s", ' \
                   '"_raw_event_size":%d, ' \
                   '"offset":%s, ' \
                   '"source":"/usr/local/var/log/nginx/access.log","fileset":{"module":"nginx","name":"access"},"input":{"type":"log"},' \
                   '"beat":{"version":"6.3.0","hostname":"%s","name":"%s"},' \
                   '"prospector":{"type":"log"},' \
                   '"nginx":{"access":{"user_name": "-",' \
                   '"agent":"%s","user_agent": {"major": "%s","os": "%s","os_major": "%s","name": "%s","os_name": "%s","device": "%s"},' \
                   '"remote_ip": "%s","remote_ip_list":["%s"],' \
                   '"geoip":{"continent_name": "%s","city_name": "%s","country_name": "%s","country_iso_code": "%s","location":{"lat": %s,"lon": %s} },' \
                   '"referrer":"%s",' \
                   '"url": "%s","body_sent":{"bytes": %s},"method":"%s","response_code":%s,"http_version":"%s"} } }' % \
                   (event["@timestamp"],
                    len(raw_event),
                    event["offset"],
                    event["hostname"],event["hostname"],
                    event["agent"], event["useragent_major"], event["useragent_os"], event["useragent_os_major"], event["useragent_name"], event["useragent_os_name"], event["useragent_device"],
                    event["clientip"], event["clientip"],
                    event["geoip_continent_name"], event["geoip_city_name"], event["geoip_country_name"], event["geoip_country_iso_code"], event["geoip_location_lat"], event["geoip_location_lon"],
                    event["referrer"],
                    event["request"], event["bytes"], event["verb"], event["response"], event["httpversion"])
        else:
            line = '{"@timestamp": "%s", ' \
                   '"offset":%s, ' \
                   '"source":"/usr/local/var/log/nginx/access.log","fileset":{"module":"nginx","name":"access"},"input":{"type":"log"},' \
                   '"beat":{"version":"6.3.0","hostname":"%s","name":"%s"},' \
                   '"prospector":{"type":"log"},' \
                   '"nginx":{"access":{"user_name": "-",' \
                   '"agent":"%s","user_agent": {"major": "%s","os": "%s","os_major": "%s","name": "%s","os_name": "%s","device": "%s"},' \
                   '"remote_ip": "%s","remote_ip_list":["%s"],' \
                   '"geoip":{"continent_name": "%s","city_name": "%s","country_name": "%s","country_iso_code": "%s","location":{"lat": %s,"lon": %s} },' \
                   '"referrer":"%s",' \
                   '"url": "%s","body_sent":{"bytes": %s},"method":"%s","response_code":%s,"http_version":"%s"} } }' % \
                   (event["@timestamp"],
                    event["offset"],
                    event["hostname"],event["hostname"],
                    event["agent"], event["useragent_major"], event["useragent_os"], event["useragent_os_major"], event["useragent_name"], event["useragent_os_name"], event["useragent_device"],
                    event["clientip"], event["clientip"],
                    event["geoip_continent_name"], event["geoip_city_name"], event["geoip_country_name"], event["geoip_country_iso_code"], event["geoip_location_lat"], event["geoip_location_lon"],
                    event["referrer"],
                    event["request"], event["bytes"], event["verb"], event["response"], event["httpversion"])

        return line, index, self._type