def create_alarm()

in src/actions.py [0:0]

• 30 lines of code
• 4 McCabe index (conditional complexity)

def create_alarm(AlarmName, MetricName, ComparisonOperator, Period, Threshold, Statistic, Namespace, Dimensions,
                 sns_topic_arn):
    AlarmDescription = 'Alarm created by lambda function CloudWatchAutoAlarms'

    try:
        Period = convert_to_seconds(Period)
    except Exception as e:
        # If any other exceptions which we didn't expect are raised
        # then fail and log the exception message.
        logger.error(
            'Error converting Period specified {} to seconds for Alarm {}!: {}'.format(Period, AlarmName, e))

    Threshold = float(Threshold)
    try:
        cw_client = boto3_client('cloudwatch')

        alarm = {
            'AlarmName': AlarmName,
            'AlarmDescription': AlarmDescription,
            'MetricName': MetricName,
            'Namespace': Namespace,
            'Dimensions': Dimensions,
            'Period': Period,
            'EvaluationPeriods': 1,
            'Threshold': Threshold,
            'ComparisonOperator': ComparisonOperator,
            'Statistic': Statistic
        }

        if sns_topic_arn is not None:
            alarm['AlarmActions'] = [sns_topic_arn]

        cw_client.put_metric_alarm(**alarm)

        logger.info('Created alarm {}'.format(AlarmName))

    except Exception as e:
        # If any other exceptions which we didn't expect are raised
        # then fail and log the exception message.
        logger.error(
            'Error creating alarm {}!: {}'.format(AlarmName, e))