configure Amazon s3 bucket to run Lambda function

问题:

Is it possible to configure S3 bucket to run a Lambda function created in a different account? Basically what I'm trying to accomplish is that when new items are added to S3 bucket I want to run a lambda function in another account

回答1:

You can do this by providing the full Lambda Function ARN to your S3 bucket. For example inside your bucket settings in the AWS Console:

This article will help you configure the correct IAM for cross account invocation. Also take a look at the AWS Lambda Permissions Model. Note that as far as I know the bucket and the Lambda function have to be in the same region!