# this script will clear up and remove all registered cloudwatch log streams
# there's no filter so use it with caution

import boto3

client = boto3.client('logs')

while True:
    response = client.describe_log_groups()
    if not response or 'logGroups' not in response:
        break
    logs = response['logGroups']
    if not logs or len(logs) == 0:
        break
    for logGroup in logs:
        name = logGroup['logGroupName']
        print 'deleting', name
        client.delete_log_group(logGroupName=name)

print 'done'