示例#1
0
def main():
    """
    Run the application.
    """

    # Get the list of valid locations from S3
    s3_bucket = config['locations']['s3_bucket']
    locations_key = config['locations']['s3_key']
    locations = get_locations(s3_bucket, locations_key)

    # Create the pipeline steps that events will pass through when being processed
    run_time_seconds = int(config['run_time_seconds'])
    fixed_duration_source = FixedDurationSource(run_time_seconds)
    location_filter = LocationFilter(locations)
    deduplicator = Deduplicator(int(config['deduplicator']['cache_time_to_live_seconds']))
    pipeline = fixed_duration_source.compose(location_filter).compose(deduplicator)

    # Create the sink that will handle the events that come through the pipeline
    averager = Averager(int(config['averager']['average_period_seconds']), int(config['averager']['expiry_time_seconds']))

    # Create an SQS queue that will be subscribed to the SNS topic
    sns_topic_arn = config['receiver']['sns_topic_arn']
    with QueueSubscription(sns_topic_arn) as queue_subscription:

        # Process events as they come in from the queue
        receiver = Receiver(queue_subscription)
        pipeline.sink(averager).handle(receiver.get_events())

        # Show final stats
        print(f'Processed {fixed_duration_source.events_processed} events in {run_time_seconds} seconds')
        print(f'Events/s: {fixed_duration_source.events_processed / run_time_seconds:.2f}')
        print(f'Invalid locations skipped: {location_filter.invalid_events_filtered}')
        print(f'Duplicated events skipped: {deduplicator.duplicate_events_ignored}')
示例#2
0
def main():
    """
    Run the application.
    """

    # Get the list of valid locations from S3
    s3_bucket = config['locations']['s3_bucket']
    locations_key = config['locations']['s3_key']
    locations = get_locations(s3_bucket, locations_key)
    #print(f'\n{locations}\n')

    # Create the pipeline steps that events will pass through when being processed
    run_time_seconds = int(config['run_time_seconds'])
    fixed_duration_source = FixedDurationSource(run_time_seconds, locations)
    pipeline = fixed_duration_source

    # Create an SQS queue that will be subscribed to the SNS topic
    sns_topic_arn = config['receiver']['sns_topic_arn']
    with QueueSubscription(sns_topic_arn) as queue_subscription:

        # Process events as they come in from the queue
        receiver = Receiver(queue_subscription)
        pipeline.sink(Printer()).handle(receiver.get_events())

        # Show final stats
        print(
            f'\nProcessed {fixed_duration_source.events_processed} events in {run_time_seconds} seconds'
        )
        print(
            f'Events/s: {fixed_duration_source.events_processed / run_time_seconds:.2f}\n'
        )
示例#3
0
def main():
    """
    Run the application.
    """

    # Get the list of valid locations from S3
    s3_bucket = config['locations']['s3_bucket']
    locations_key = config['locations']['s3_key']
    locations = get_locations(s3_bucket, locations_key)
    # print(f'\n{locations}\n')

    # Create an SQS queue that will be subscribed to the SNS topic
    sns_topic_arn = config['receiver']['sns_topic_arn']

    # HandleEvents(locations, sns_topic_arn)
    HandleEventsThreading(locations, sns_topic_arn)
示例#4
0
def main():
    """
    Run the application.
    """

    # Get the list of valid sensor locations from S3
    s3_bucket = config['locations']['s3_bucket']
    locations_key = config['locations']['s3_key']
    locations = get_locations(s3_bucket, locations_key)
    for location in locations:
        print(f'{location}')

    # Create the pipeline steps that events will pass through when being processed
    run_time_seconds = int(config['run_time_seconds'])
    fixed_duration_source = FixedDurationSource(run_time_seconds)
    remove_duplicates = RemoveDuplicates()
    average_values = AverageValuesPerMinute()
    values_per_location = ValuesPerLocation(locations)
    pipeline = values_per_location.compose(
        average_values.compose(
            remove_duplicates.compose(fixed_duration_source)))

    # Create an SQS queue that will be subscribed to the SNS topic
    sns_topic_arn = config['receiver']['sns_topic_arn']
    with QueueSubscription(sns_topic_arn) as queue_subscription:

        # Process events as they come in from the queue
        receiver = Receiver(queue_subscription)
        # print all the data
        pipeline.sink(Printer(locations, values_per_location)).handle(
            receiver.get_events())
        values_per_location.plot_values.plot(
            values_per_location.event_location_container, False)
        SaveAveragePerMinToCSV(average_values)

        # Show final stats
        print(
            f'\nProcessed {fixed_duration_source.events_processed} events in {run_time_seconds} seconds'
        )
        print(
            f'Events/s: {fixed_duration_source.events_processed / run_time_seconds:.2f}\n'
        )
        print(f'Duplicated events skipped: {remove_duplicates.counter}')
        average_value_index = 0
        with open("average_values.csv", "w") as file:
            file.write("date,hour,minute,hours decimal,average value\n")
            for average_value in average_values.average_values:
                local_time_struct = time.localtime(
                    average_values.
                    average_values_timestamp[average_value_index])
                local_time_string_csv = time.strftime("%d/%m/%Y,%H,%M",
                                                      local_time_struct)
                local_time_string_hour = time.strftime("%H", local_time_struct)
                local_time_string_min = time.strftime("%M", local_time_struct)
                local_time_string_hour_decimal = int(
                    local_time_string_min) / 60
                hours_decimal = f"{int(local_time_string_hour) + local_time_string_hour_decimal}"
                local_time_string_print = time.strftime(
                    "%d/%m/%Y %H:%M:%S", local_time_struct)
                file.write(
                    f"{local_time_string_csv},{hours_decimal},{average_value}\n"
                )
                print(
                    f'Average Value at {local_time_string_print}: {average_value}'
                )
                average_value_index += 1
def test_parse_invalid_locations(patched_download_file):
    with raises(Exception, match='.*Malformed locations file.*'):
        get_locations('bucket', 'key')
def test_parse_valid_locations(patched_download_file):
    locations = get_locations('bucket', 'key')
    assert len(locations) == 2
    assert locations[0] == Location(x=1.1, y=1.2, id='abc')
    assert locations[1] == Location(x=2.1, y=2.2, id='def')
def test_parse_empty_locations(patched_download_file):
    assert len(get_locations('bucket', 'key')) == 0