def get_events_summaries()

in automated-actions/AWS_RISK_CREDENTIALS_EXPOSED/lambda_functions/lookup_cloudtrail_events.py [0:0]

• 11 lines of code
• 5 McCabe index (conditional complexity)

def get_events_summaries(events):
    """ Summarizes CloudTrail events list by reducing into counters of occurences for each event, resource name, and resource type in list.

    Args:
        events (dict): Dictionary containing list of CloudTrail events to be summarized.

    Returns:
        (list, list, list)
        Lists containing name:count tuples of most common occurences of events, resource names, and resource types in events list.

    """
    event_name_counter = collections.Counter()
    resource_name_counter = collections.Counter()
    resource_type_counter = collections.Counter()
    for event in events['Events']:
        resources = event.get("Resources")
        event_name_counter.update([event.get('EventName')])
        if resources is not None:
            resource_name_counter.update([resource.get("ResourceName") for resource in resources])
            resource_type_counter.update([resource.get("ResourceType") for resource in resources])
    return event_name_counter.most_common(10), resource_name_counter.most_common(10), resource_type_counter.most_common(10)