I have a Lambda function which handles image upload to S3 and I would like to use the same Lambda function to return pre-signed URLs with only the GET permission. However, according to AWS documentation pre-signed URLs have the same…
I've got a Lambda set up through API Gateway. The Lambda takes a value SeriesId from the event JSON and uses it. Here's the Lambda code: import json import boto3 from boto3.dynamodb.conditions import Key dynamodb = boto3.resource('dynamodb') table = dynamodb.Table('TV-App-Seasons')…
I would like EventBridge to be notified when any Lambda function starts and finishes execution. I am NOT trying to trigger the Lambda functions from EventBridge. I do NOT want to modify my Lambda function code to write custom events…
I have a scenario where I'm using an Amazon Cognito pre-token generation trigger to call an AWS Lambda function. The Lambda function is placed within a private subnet for security reasons. However, I'm having trouble configuring the security group for…
I want to invoke an aws lambda function through java code using the aws lamdba sdk while specifying a proxy above the client. How can I achieve such scenario? I did not manage to locate any documentation on aws docs.…
I have a listUsers function which was working perfectly with cognito authorizer. Since I've changed it to a Lambda Authorizer, it returns a 500 HTTP status code. serverless.yml: provider: httpApi: cors: true authorizers: customAuthorizer: type: request functionName: custom-authorizer functions: custom-authorizer:…
To test locally, I am using SAM for my lambda function. And using DynamoDB local. It seems my lambda cannot connect to DynamoDB local When I run java -Djava.library.path=./DynamoDBLocal_lib -jar DynamoDBLocal.jar -sharedDb command, I get output Initializing DynamoDB Local with…
I have the app setup like below and I want to get the Lambda's response through API to show the item list in web. User <-> API Gateway <-> Lambda <-> DynamoDB Below is the example of code I'm using.…
I am trying to have a Lambda to trigger when a secret in aws Secrets Manager is rotated. So I am trying to use Cloudtrail for this. I am trying to follow this AWS documentation The documentation doesn't seem to…
I'm creating a serverless application in AWS that needs to store some data gathered trough an external API into a DynamoDB instance. I'm trying to achieve it through Lambda functions, but the data are quite heavy, so everytime I try…