[アップデート] CloudWatch Logs からついに ListLogGroups API が登場しました

{
   "logGroups": [ 
      { 
          "arn": "string",
          "creationTime": number,
          "dataProtectionStatus": "string",
          "inheritedProperties": [ "string" ],
          "kmsKeyId": "string",
          "logGroupArn": "string",
          "logGroupClass": "string",
          "logGroupName": "string",
          "metricFilterCount": number,
          "retentionInDays": number,
          "storedBytes": number
      }
   ],
   "nextToken": "string"
}

{
   "logGroups": [ 
      { 
         "logGroupArn": "string",
         "logGroupClass": "string",
         "logGroupName": "string"
      }
   ],
   "nextToken": "string"
}

>>> import boto3
>>> client = boto3.client('logs')
>>> response = client.can_paginate('list_log_groups')
>>> print(response)
False

import boto3
from botocore.exceptions import BotoCoreError, ClientError

def list_all_log_groups(region_name=None):
   """
   CloudWatch Logsの全ロググループ名をリストで返す
   """
   try:
      client = boto3.client('logs', region_name=region_name)
      log_groups = []
      params = {}
      while True:
         response = client.describe_log_groups(**params)
         log_groups.extend(response.get('logGroups', []))
         next_token = response.get('NextToken')
         if not next_token:
            break
         params['NextToken'] = next_token
      return [lg['logGroupName'] for lg in log_groups]
   except (BotoCoreError, ClientError) as e:
      print(f"Error: {e}")
      return []

if __name__ == "__main__":
      log_group_names = list_all_log_groups()
      print(f"Total log groups: {len(log_group_names)}")
      for name in log_group_names:
         print(name)