- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Cloud
- Security
Triggering a Lambda Function in Response to a CloudTrail Log Event
In this guided lab, you will build a simple event-driven automation workflow in AWS that responds to account activity recorded by CloudTrail. You will configure CloudTrail management event logging, create a Lambda function to process matching events, and use an EventBridge rule to invoke the function when a specific API action occurs. By the end of the lab, you will validate the full pipeline by generating a test account change and confirming that the Lambda function runs successfully.
Lab Info
Table of Contents
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Challenge
Create a Lambda function that can process CloudTrail-based event data
- Create a Lambda function for the automation workflow.
- Configure the permissions required for the function to write execution output to CloudWatch Logs.
- Prepare the function to capture and log key details from the triggering event.
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Challenge
Configure CloudTrail to capture relevant management events for downstream automation
- Review the available logging setup and identify the destination for trail delivery.
- Configure a trail to capture the management events required for the automation workflow.
- Confirm that logging is enabled and the trail is ready to support downstream event processing.
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Challenge
Validate that the Lambda invocation pipeline executes when account changes are made
- Perform a test action that generates matching CloudTrail activity.
- Confirm that the EventBridge rule matches the event and invokes the Lambda function.
- Review the Lambda or CloudWatch log output to verify that the function received and processed the event data.
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Challenge
Create an EventBridge rule that triggers the Lambda function for specified CloudTrail activity
- Define an event pattern that matches a specific CloudTrail-recorded API action.
- Configure the Lambda function as the target for the rule.
- Verify that the rule is enabled and that Lambda invocation permissions are in place.
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