AWS Python boto3 lambda - getting the kinesis stream name

Question

I am a lambda in aws python boto3. I configured this lambda (a trigger) to read from a specific kinesis stream. It has to read the stream name from the event object. I don't know how to get the stream name. I don't want to hard code the Kinesis stream name in the code. I want to read it from event.

   import boto3
   import json
   from pprint import pprint

   s3 = boto3.client('s3')
   kinesis = boto3.client('kinesis')

  def lambda_handler(event, context):
       if event:

          for i in event["Records"]:
             print(i)
   

Answer 1

You can see an example Kinesis record event at Using AWS Lambda with Amazon Kinesis.

Each record contains an eventSourceARN. To print the ARN of each event record:

def lambda_handler(event, context):
    for record in event["Records"]:
        print(record["eventSourceARN"])

You can infer the Kinesis stream name, if needed, from the ARN.