How to use schedule_metric_alarm method in localstack

Best Python code snippet using localstack_python

alarm_scheduler.py

Source:alarm_scheduler.py

...41        Shutsdown the scheduler, must be called before application stops42        """43        self.scheduler.close()44        self.thread.join(5)45    def schedule_metric_alarm(self, alarm_arn: str) -> None:46        """(Re-)schedules the alarm, if the alarm is re-scheduled, the running alarm scheduler will be cancelled before47        starting a new one"""48        alarm_details = get_metric_alarm_details_for_alarm_arn(alarm_arn)49        self.delete_scheduler_for_alarm(alarm_arn)50        if not self._is_alarm_supported(alarm_details):51            LOG.warning(52                "Given alarm configuration not yet supported, alarm state will not be evaluated."53            )54            return55        period = alarm_details["Period"]56        evaluation_periods = alarm_details["EvaluationPeriods"]57        schedule_period = evaluation_periods * period58        def on_error(e):59            LOG.exception("Error executing scheduled alarm", exc_info=e)60        task = self.scheduler.schedule(61            func=calculate_alarm_state,62            period=schedule_period,63            fixed_rate=True,64            args=[alarm_arn],65            on_error=on_error,66        )67        self.scheduled_alarms[alarm_arn] = task68    def delete_scheduler_for_alarm(self, alarm_arn: str) -> None:69        """70        Deletes the recurring scheduler for an alarm71        :param alarm_arn: the arn of the alarm to be removed72        """73        task = self.scheduled_alarms.pop(alarm_arn, None)74        if task:75            task.cancel()76    def restart_existing_alarms(self) -> None:77        """78        Only used re-create persistent state. Reschedules alarms that already exist79        """80        service = "cloudwatch"81        for region in aws_stack.get_valid_regions_for_service(service):82            client = aws_stack.connect_to_service(service, region_name=region)83            result = client.describe_alarms()84            for metric_alarm in result["MetricAlarms"]:85                arn = metric_alarm["AlarmArn"]86                self.schedule_metric_alarm(alarm_arn=arn)87    def _is_alarm_supported(self, alarm_details: MetricAlarm) -> bool:88        required_parameters = ["Period", "Statistic", "MetricName", "Threshold"]89        for param in required_parameters:90            if param not in alarm_details.keys():91                LOG.debug(92                    f"Currently only simple MetricAlarm are supported. Alarm is missing '{param}'. ExtendedStatistic is not yet supported."93                )94                return False95        if alarm_details["ComparisonOperator"] not in COMPARISON_OPS.keys():96            LOG.debug(97                f"ComparisonOperator '{alarm_details['ComparisonOperator']}' not yet supported."98            )99            return False100        return True...

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