Delete Empty Cloudwatch Log Groups

app.py

#!/usr/bin/env python3

import botocore
from botocore.config import Config
import boto3

config = Config(retries=dict(max_attempts=10))


client = boto3.client("logs", config=config)
paginator = client.get_paginator("describe_log_groups")
iterator = paginator.paginate()
for page in iterator:
    for i in page["logGroups"]:
        print(
            f"LogGroup: {i['logGroupName']} - StoredBytes:{i['storedBytes']}"
        )
        if i["storedBytes"] == 0:
            print(f"Deleting: {i['logGroupName']} - {i['storedBytes']}")
            try:
                response = client.delete_log_group(
                    logGroupName=i["logGroupName"],
                )
            except botocore.exceptions.ClientError as error:
                if error.response["Error"]["Code"] == "LimitExceededException":
                    logger.warn(
                        "API call limit exceeded; backing off and retrying..."
                    )
                else:
                    raise error