Learn how to monitor the days remaining for Amazon EC2 Reserved Instances using AWS Lambda, Amazon CloudWatch, Amazon SNS, EventBridge, and CloudFormation.
Receive an email notification when an EC2 Reserved Instance has fewer days remaining than a specified threshold. Follow the step-by-step guide to deploy the solution, including creating a Lambda function, deploying a CloudFormation template, and confirming resource creation. Verify the custom metric in CloudWatch, test the CloudWatch alarm, and clean up resources when done.
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