How to use get_events_target_attributes method in localstack

Best Python code snippet using localstack_python

provider.py

Source:provider.py

...55            for target in targets:56                arn = target.get("Arn")57                event_str = target.get("Input") or "{}"58                event = json.loads(event_str)59                attr = aws_stack.get_events_target_attributes(target)60                try:61                    send_event_to_target(arn, event, target_attributes=attr)62                except Exception as e:63                    LOG.info(64                        f"Unable to send event notification {truncate(event)} to target {target}: {e}"65                    )66        return func67    @staticmethod68    def convert_schedule_to_cron(schedule):69        """Convert Events schedule like "cron(0 20 * * ? *)" or "rate(5 minutes)" """70        cron_regex = r"\s*cron\s*\(([^\)]*)\)\s*"71        if re.match(cron_regex, schedule):72            cron = re.sub(cron_regex, r"\1", schedule)73            return cron74        rate_regex = r"\s*rate\s*\(([^\)]*)\)\s*"75        if re.match(rate_regex, schedule):76            rate = re.sub(rate_regex, r"\1", schedule)77            value, unit = re.split(r"\s+", rate.strip())78            if "minute" in unit:79                return "*/%s * * * *" % value80            if "hour" in unit:81                return "* */%s * * *" % value82            if "day" in unit:83                return "* * */%s * *" % value84            raise Exception("Unable to parse events schedule expression: %s" % schedule)85        return schedule86    @staticmethod87    def put_rule_job_scheduler(88        name: Optional[RuleName],89        state: Optional[RuleState],90        schedule_expression: Optional[ScheduleExpression],91    ):92        enabled = state != "DISABLED"93        if schedule_expression:94            job_func = EventsProvider.get_scheduled_rule_func(name)95            cron = EventsProvider.convert_schedule_to_cron(schedule_expression)96            LOG.debug("Adding new scheduled Events rule with cron schedule %s", cron)97            job_id = JobScheduler.instance().add_job(job_func, cron, enabled)98            rule_scheduled_jobs = EventsBackend.get().rule_scheduled_jobs99            rule_scheduled_jobs[name] = job_id100    def put_rule(101        self,102        context: RequestContext,103        name: RuleName,104        schedule_expression: ScheduleExpression = None,105        event_pattern: EventPattern = None,106        state: RuleState = None,107        description: RuleDescription = None,108        role_arn: RoleArn = None,109        tags: TagList = None,110        event_bus_name: EventBusNameOrArn = None,111    ) -> PutRuleResponse:112        self.put_rule_job_scheduler(name, state, schedule_expression)113        return call_moto(context)114    def delete_rule(115        self,116        context: RequestContext,117        name: RuleName,118        event_bus_name: EventBusNameOrArn = None,119        force: Boolean = None,120    ) -> None:121        rule_scheduled_jobs = EventsBackend.get().rule_scheduled_jobs122        job_id = rule_scheduled_jobs.get(name)123        if job_id:124            LOG.debug("Removing scheduled Events: {} | job_id: {}".format(name, job_id))125            JobScheduler.instance().cancel_job(job_id=job_id)126        call_moto(context)127    def disable_rule(128        self, context: RequestContext, name: RuleName, event_bus_name: EventBusNameOrArn = None129    ) -> None:130        rule_scheduled_jobs = EventsBackend.get().rule_scheduled_jobs131        job_id = rule_scheduled_jobs.get(name)132        if job_id:133            LOG.debug("Disabling Rule: {} | job_id: {}".format(name, job_id))134            JobScheduler.instance().disable_job(job_id=job_id)135        call_moto(context)136class EventsBackend(RegionBackend):137    # maps rule name to job_id138    rule_scheduled_jobs: Dict[str, str]139    def __init__(self):140        self.rule_scheduled_jobs = {}141def _get_events_tmp_dir():142    return os.path.join(config.dirs.tmp, EVENTS_TMP_DIR)143def _create_and_register_temp_dir():144    tmp_dir = _get_events_tmp_dir()145    if not os.path.exists(tmp_dir):146        mkdir(tmp_dir)147        TMP_FILES.append(tmp_dir)148    return tmp_dir149def _dump_events_to_files(events_with_added_uuid):150    try:151        _create_and_register_temp_dir()152        current_time_millis = int(round(time.time() * 1000))153        for event in events_with_added_uuid:154            target = os.path.join(155                _get_events_tmp_dir(),156                "%s_%s" % (current_time_millis, event["uuid"]),157            )158            save_file(target, json.dumps(event["event"]))159    except Exception as e:160        LOG.info("Unable to dump events to tmp dir %s: %s", _get_events_tmp_dir(), e)161def handle_numeric_conditions(conditions: List[Any], value: float):162    for i in range(0, len(conditions), 2):163        if conditions[i] == "<" and not (value < conditions[i + 1]):164            return False165        if conditions[i] == ">" and not (value > conditions[i + 1]):166            return False167        if conditions[i] == "<=" and not (value <= conditions[i + 1]):168            return False169        if conditions[i] == ">=" and not (value >= conditions[i + 1]):170            return False171    return True172def check_valid_numeric_content_base_rule(list_of_operators):173    if len(list_of_operators) > 4:174        return False175    if "=" in list_of_operators:176        return False177    if len(list_of_operators) > 2:178        upper_limit = None179        lower_limit = None180        for index in range(len(list_of_operators)):181            if not isinstance(list_of_operators[index], int) and "<" in list_of_operators[index]:182                upper_limit = list_of_operators[index + 1]183            if not isinstance(list_of_operators[index], int) and ">" in list_of_operators[index]:184                lower_limit = list_of_operators[index + 1]185            if upper_limit and lower_limit and upper_limit < lower_limit:186                return False187            index = index + 1188    return True189def filter_event_with_content_base_parameter(pattern_value, event_value):190    for element in pattern_value:191        if (isinstance(element, (str, int))) and (event_value == element or element in event_value):192            return True193        elif isinstance(element, dict):194            element_key = list(element.keys())[0]195            element_value = element.get(element_key)196            if element_key.lower() == "prefix":197                if isinstance(event_value, str) and event_value.startswith(element_value):198                    return True199            elif element_key.lower() == "exists":200                if element_value and event_value:201                    return True202                elif not element_value and not event_value:203                    return True204            elif element_key.lower() == "cidr":205                ips = [str(ip) for ip in ipaddress.IPv4Network(element_value)]206                if event_value in ips:207                    return True208            elif element_key.lower() == "numeric":209                if check_valid_numeric_content_base_rule(element_value):210                    for index in range(len(element_value)):211                        if isinstance(element_value[index], int):212                            continue213                        if (214                            element_value[index] == ">"215                            and isinstance(element_value[index + 1], int)216                            and event_value <= element_value[index + 1]217                        ):218                            break219                        elif (220                            element_value[index] == ">="221                            and isinstance(element_value[index + 1], int)222                            and event_value < element_value[index + 1]223                        ):224                            break225                        elif (226                            element_value[index] == "<"227                            and isinstance(element_value[index + 1], int)228                            and event_value >= element_value[index + 1]229                        ):230                            break231                        elif (232                            element_value[index] == "<="233                            and isinstance(element_value[index + 1], int)234                            and event_value > element_value[index + 1]235                        ):236                            break237                    else:238                        return True239            elif element_key.lower() == "anything-but":240                if isinstance(element_value, list) and event_value not in element_value:241                    return True242                elif (isinstance(element_value, (str, int))) and event_value != element_value:243                    return True244                elif isinstance(element_value, dict):245                    nested_key = list(element_value)[0]246                    if nested_key == "prefix" and not re.match(247                        r"^{}".format(element_value.get(nested_key)), event_value248                    ):249                        return True250    return False251# TODO: unclear shared responsibility for filtering with filter_event_with_content_base_parameter252def handle_prefix_filtering(event_pattern, value):253    for element in event_pattern:254        if isinstance(element, (int, str)):255            if str(element) == str(value):256                return True257        elif isinstance(element, dict) and "prefix" in element:258            if value.startswith(element.get("prefix")):259                return True260        elif isinstance(element, dict) and "anything-but" in element:261            if element.get("anything-but") != value:262                return True263        elif "numeric" in element:264            return handle_numeric_conditions(element.get("numeric"), value)265        elif isinstance(element, list):266            if value in list:267                return True268    return False269def identify_content_base_parameter_in_pattern(parameters):270    if any(271        list(param.keys())[0] in CONTENT_BASE_FILTER_KEYWORDS272        for param in parameters273        if isinstance(param, dict)274    ):275        return True276def get_two_lists_intersection(lst1, lst2):277    lst3 = [value for value in lst1 if value in lst2]278    return lst3279# TODO: refactor/simplify280def filter_event_based_on_event_format(self, rule_name: str, event: Dict[str, Any]):281    def filter_event(event_pattern_filter: Dict[str, Any], event: Dict[str, Any]):282        for key, value in event_pattern_filter.items():283            event_value = event.get(key.lower())284            if event_value is None:285                return False286            if event_value and isinstance(event_value, dict):287                for key_a, value_a in event_value.items():288                    if key_a == "ip":289                        # TODO add IP-Address check here290                        continue291                    if isinstance(value.get(key_a), (int, str)):292                        if value_a != value.get(key_a):293                            return False294                    if isinstance(value.get(key_a), list) and value_a not in value.get(key_a):295                        if not handle_prefix_filtering(value.get(key_a), value_a):296                            return False297            elif isinstance(value, list) and not identify_content_base_parameter_in_pattern(value):298                if (299                    isinstance(event_value, list)300                    and get_two_lists_intersection(value, event_value) == []301                ):302                    return False303                elif (304                    not isinstance(event_value, list)305                    and isinstance(event_value, (str, int))306                    and event_value not in value307                ):308                    return False309            elif isinstance(value, list) and identify_content_base_parameter_in_pattern(value):310                if not filter_event_with_content_base_parameter(value, event_value):311                    return False312            elif isinstance(value, (str, dict)):313                try:314                    value = json.loads(value) if isinstance(value, str) else value315                    if isinstance(value, dict) and not filter_event(value, event_value):316                        return False317                except json.decoder.JSONDecodeError:318                    return False319        return True320    rule_information = self.events_backend.describe_rule(rule_name)321    if not rule_information:322        LOG.info('Unable to find rule "%s" in backend: %s', rule_name, rule_information)323        return False324    if rule_information.event_pattern._pattern:325        event_pattern = rule_information.event_pattern._pattern326        if not filter_event(event_pattern, event):327            return False328    return True329def filter_event_with_target_input_path(target: Dict, event: Dict) -> Dict:330    input_path = target.get("InputPath")331    if input_path:332        event = extract_jsonpath(event, input_path)333    return event334def process_events(event: Dict, targets: List[Dict]):335    for target in targets:336        arn = target["Arn"]337        changed_event = filter_event_with_target_input_path(target, event)338        try:339            send_event_to_target(arn, changed_event, aws_stack.get_events_target_attributes(target))340        except Exception as e:341            LOG.info(f"Unable to send event notification {truncate(event)} to target {target}: {e}")342# TODO: this migration. can I tidy up these dictionaries in this migration??343@patch(MotoEventsHandler.put_events)344def events_handler_put_events(_, self):345    entries = self._get_param("Entries")346    # keep track of events for local integration testing347    if config.is_local_test_mode():348        TEST_EVENTS_CACHE.extend(entries or [])349    events = list(map(lambda event: {"event": event, "uuid": long_uid()}, entries))350    _dump_events_to_files(events)351    event_rules = self.events_backend.rules352    for event_envelope in events:353        event = event_envelope["event"]...

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