aws_lambda_powertools_logger_metrics_tracer_quickstart.py

1from aws_lambda_powertools import Logger, Metrics, Tracer
2from aws_lambda_powertools.metrics import MetricUnit
3from aws_lambda_powertools.utilities.typing import LambdaContext
4
5tracer = Tracer()
6logger = Logger()
7metrics = Metrics(namespace="Powertools")
8
9@tracer.capture_lambda_handler
10@logger.inject_lambda_context(log_event=True)
11@metrics.log_metrics(capture_cold_start_metric=True)
12def lambda_handler(event: dict, context: LambdaContext) -> dict:
13    tracer.put_annotation(key="PaymentStatus", value="SUCCESS")
14    logger.info("Hello world from AWS Lambda Powertools")
15    
16    metrics.add_metric(name="SuccessfulBooking", unit=MetricUnit.Count, value=1)
17    
18    return {
19        "statusCode": 200,
20        "body": "Hello World"
21    }