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How to use update_alarm_state method in localstack

Best Python code snippet using localstack_python

alarm_scheduler.py

Source:alarm_scheduler.py

...204        # oldest datapoint should be at the beginning of the list205        metric_values.insert(0, val[0] if val else None)206        now = start_time207    return metric_values208def update_alarm_state(209    client: "CloudWatchClient",210    alarm_name: str,211    current_state: str,212    desired_state: str,213    reason: str = DEFAULT_REASON,214) -> None:215    """Updates the alarm state, if the current_state is different than the desired_state216    :param client: the cloudwatch client217    :param alarm_name: the name of the alarm218    :param current_state: the state the alarm is currently in219    :param desired_state: the state the alarm should have after updating220    :param reason: reason why the state is set, will be used to for set_alarm_state221    """222    if current_state == desired_state:223        return224    client.set_alarm_state(AlarmName=alarm_name, StateValue=desired_state, StateReason=reason)225def calculate_alarm_state(alarm_arn: str) -> None:226    """227    Calculates and updates the state of the alarm228    :param alarm_arn: the arn of the alarm to be evaluated229    """230    alarm_details = get_metric_alarm_details_for_alarm_arn(alarm_arn)231    client = get_cloudwatch_client_for_region_of_alarm(alarm_arn)232    metric_values = collect_metric_data(alarm_details, client)233    alarm_name = alarm_details["AlarmName"]234    alarm_state = alarm_details["StateValue"]235    treat_missing_data = alarm_details.get("TreatMissingData", "missing")236    empty_datapoints = metric_values.count(None)237    if empty_datapoints == len(metric_values):238        if treat_missing_data == "missing":239            update_alarm_state(240                client,241                alarm_name,242                alarm_state,243                STATE_INSUFFICIENT_DATA,244                f"{INSUFFICIENT_DATA}: empty datapoints",245            )246        elif treat_missing_data == "breaching":247            update_alarm_state(248                client,249                alarm_name,250                alarm_state,251                STATE_ALARM,252                f"{THRESHOLD_CROSSED}: empty datapoints - treated as breaching",253            )254        elif treat_missing_data == "notBreaching":255            update_alarm_state(256                client,257                alarm_name,258                alarm_state,259                STATE_OK,260                f"{THRESHOLD_OK}: empty datapoints - treated as notBreaching",261            )262        # 'ignore': keep the same state263        return264    if is_triggering_premature_alarm(metric_values, alarm_details):265        if treat_missing_data == "missing":266            update_alarm_state(267                client,268                alarm_name,269                alarm_state,270                STATE_ALARM,271                f"{THRESHOLD_CROSSED}: premature alarm for missing datapoints",272            )273        # for 'ignore' the state should be retained274        return275    # collect all non-empty datapoints from the evaluation interval276    collected_datapoints = [val for val in reversed(metric_values) if val is not None]277    # adding empty data points until amount of data points == "evaluation periods"278    evaluation_periods = alarm_details["EvaluationPeriods"]279    while len(collected_datapoints) < evaluation_periods and treat_missing_data in (280        "breaching",281        "notBreaching",282    ):283        # breaching/non-breaching datapoints will be evaluated284        # ignore/missing are not relevant285        collected_datapoints.append(None)286    if is_threshold_exceeded(collected_datapoints, alarm_details):287        update_alarm_state(client, alarm_name, alarm_state, STATE_ALARM, THRESHOLD_CROSSED)288    else:...

comm_monitor.py

Source:comm_monitor.py

...31        self.alarmed = False32        _log.warning("Clearing alarm %s.", self._alarm_handle)33        self._clear_pd.log()34        self._alarm.clear()35    def update_alarm_state(self):36        now = monotonic()37        with self.mutex:38            _log.debug("Deciding whether to change alarm state - alarmed is {}, now is {}, next check time is {}, succeeded count is {}, failed count is {}"39                       .format(self.alarmed, now, self._next_check, self.succeeded, self.failed))40            if (now > self._next_check):41                _log.debug("Checking alarm state")42                if not self.alarmed:43                    if self.succeeded == 0 and self.failed > 0:44                        self.set_alarm()45                    self._next_check = now + 3046                else:47                    if self.succeeded > 0:48                        self.clear_alarm()49                    self._next_check = now + 1550                self.succeeded = self.failed = 051    def inform_success(self):52        self.succeeded += 153        self.update_alarm_state()54    def inform_failure(self):55        self.failed += 1...

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