Enabling high availability of Amazon EC2 instances on AWS Outposts servers (Part 1)
Compute Blog
This article provides guidance and code samples for implementing custom logic to automate Amazon EC2 instance relaunch on AWS Outposts servers in case of hardware or service link failure, enabling high availability for stateless applications.
Specifically, the article covers:
- Overview of the solution architecture and workflow
- Prerequisites for implementing the solution
- Step-by-step instructions for deploying the AutoRestart CloudFormation stack
- Using the provided init.py script to customize the CloudFormation template based on input parameters
- Resources created by the CloudFormation stack (CloudWatch alarm, SNS topic, Lambda function)
- Notifications received upon server failure and successful instance relaunch
- Cleaning up by deleting the CloudFormation stack
- Conclusion and recommendations for testing the custom logic
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