各種呼び出しはPythonでサクッと実装
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// S3バケット読み込み
s3 = boto3.session.Session().resource('s3')
bucket_name = os.environ['ALERT_LOG_BUCKET']
bucket = s3.Bucket(bucket_name)
key = os.environ['ALERT_LOG_KEY']
object = bucket.Object(key)
last_updated_time_str = object.get()['Body'].read().decode('utf-8')
result = int(last_updated_time_str)
...
// S3バケット書き込み
object = bucket.Object(key)
object.put(
Body=str(last_exec_time).encode('utf-8'),
ContentEncoding='utf-8',
ContentType='text/plain‘
)
S3呼び出し function_name = os.environ['FILTERED_ALERT_LOGS']
lambda_client = boto3.session.Session().client('lambda')
lambda_client.invoke(
FunctionName=function_name,
InvocationType='Event',
LogType='Tail',
Payload=json.dumps(request)
)
Lambda呼び出し
// ロググループの取得
client = boto3.session.Session().client('logs')
response = client.describe_log_groups(
logGroupNamePrefix=prefix
)
...
// ログストリームの取得
response = client.describe_log_streams(
logGroupName=group_name,
orderBy='LastEventTime',
descending=True,
limit=limit
)
...
// ログイベントの取得
logs = client.get_log_events(
logGroupName=group_name,
logStreamName=stream_name,
startTime=start_time,
endTime=end_time,
startFromHead=True
)
CloudWatch呼び出し
message = '整形したCloudWatchログ‘
topic_arn = os.environ['ALERT_LOG_TOPIC_ARN']
subject = os.environ['ALERT_LOG_SUBJECT']
sns_request_params = {
'TopicArn': topic_arn,
'Message': message,
'Subject': subject
}
sns_client = boto3.session.Session().client('sns')
sns_client.publish(**sns_request_params)
SNS呼び出し
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