The SNS topic will trigger a second function calledcalculate. This function will perform the calculation and log out the result to the console. This mimics a heavy computational background task such as data processing, image manipulation or machine learning calculations. If thecalculatefunction f...
AWS Lambda's main resources are Lambda functions, which contain a granular piece of code that performs a specific task. Functions can initiate using multiple mechanisms, such as the AWS SDK, HTTP endpoints or configurable events from other AWS services. This delivers flexibility to make functions ...
This example will include a manually created IAM role with the minimum permissions required by a Lambda function. This can be done from the AWS IAM console. Trigger theCreate Roleflow and chooseAWS serviceas an entity type: The AWS managed policy AWSLambdaBasicExecutionRole provides the...
AWSCloudFormation › UserGuideAWS::Lambda::EventInvokeConfig Configure Lambda function invocation, event retry options, event destination, and event queue retention. May 8, 2025 AWSSimpleQueueService › SQSDeveloperGuideConfiguring an Amazon SQS queue to trigger an AWS Lambda function Lambda function...
Now, we can configure AWS IoT to trigger the Lambda Function. Create the AWS IoT Rule The rule you create will send data into Lambda whenever specific topic or attribute is recorded. To create the rule: Within AWS IoT, navigate to the Rules section. Create a new rule.Configure...
5. Clear connections with a proxy function Even without SUPER privilege, RDS does allow SHOW PROCESSLIST which lets you view all open connections. You could trigger a proxy Lambda function on a Too many connections error (or on a regular schedule) and have it inspect all the open connections...
This post walks you through how to configure a CloudWatch log subscription that triggers an AWS Lambda function to process the log. The Lambda function usesAmazon SNSto send an email with the specific error details and the log location. ...
A convenient way to run a Lambda function in the cloud is with a test event in the AWS Management Console. A test event is a JSON input to your function. If your function does not require input, the event can be an empty JSON document ({}). The console provides sample events for a...
Type: AWS::Serverless::Function Next, we’ll rename the directory it’s toShippingFunctionand change the Java package fromhelloworldtocom.baeldung.lambda.shipping. This means we’ll need to update theCodeUriandHandlerproperties intemplate.yamlto point to the new location: ...
In one incident, S3 triggers a Lambda function which puts a modified file back into the same bucket. Which triggered the same function, which puts the file back into the same bucket. And the cycle continued on and on. Only if there’s a way to track the number of invocations on a ca...