Serverless Alert Notifier

View deployment guide

What does this Amazon Web Services Solution do?

This solution offers a flexible and low-cost approach for customers to send alerts generated from Amazon Cloud to third-party platforms (e.g. WeChat). You can customize alert triggers based on your specific use cases. Sample alert triggers are as below:

  • Alert when services was interrupted or APIs became unavailable
  • Alert when the Amazon EC2 instance status changed (a new instance starts, an instance stops working)
  • Alert when files in the Amazon Simple Storage Service (Amazon S3) got deleted
  • Alert when the JVM memory or capacity of Amazon OpenSearch reached 80%
  • Alert when unexpected user logged in to the Amazon Web Services console
  • Alert when Amazon Security Hub identified security risks or compliance issues
  • Alert when the SaaS partners supported by Amazon EventBridge (such as Auth0, MongoDB) generated an alarm
  • Alert when customer-defined business indicators met threshold

Amazon Web Services Solution overview

The diagram below shows the solution architecture. You can launch the solution using the Amazon CloudFormation template and follow the deployment guide to set up and use the solution.

Architecture

The solution leverages Amazon CloudFormation template to automatically deploy serverless resources such as EventBridge, SNS, Lambda function to receive alert events and send alert notifications to customers’ specified platforms. 

Amazon EventBridge: The EventBridge is a serverless event bus that makes it easy to connect applications together using data from your own applications, Software-as-a-Service (SaaS) applications, and Amazon Web Services services. As examples, the solution configured two EventBridge rules for two type of events: Amazon EC2 State Change and Amazon EC2 Health State Change. Once these events occur, the rules will be automatically triggered.

Amazon Simple Notification Service (Amazon SNS): The SNS is a fast, flexible, fully managed push messaging service. The EventBridge pushes events to an SNS topic. The SNS will trigger Lambda function to send off alert notification.

Amazon Lambda: The Lambda is a serverless computing service that lets you run code without provisioning or managing servers. The solution uses Lambda to send messages to third-party platforms.

Amazon Secrets Manager: The Secrets Manager helps you protect secrets needed to access your applications, services, and IT resources. The solution uses Secrets Manager to store the credentials of third-party platforms, which will be later fetched by the Lambda function. Please refer to the solution deployment guide for detailed configuration.

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Serverless Alert Notifier

Version 1.0.0
Last updated: 11/2021
Author: Amazon Web Services 

Estimated deployment time: 3 min

Source code 
View deployment guide
Launch solution in the Amazon Web Services China Regions
Launch solution in the Amazon Web Services Global Regions

Features

Open source and customization

The solution is open sourced. You can use the solution for free. If you have different use cases, you can take the source code as reference to make your own implementation.

Security Best Practices

The solution applied the principle of least privilege on security groups, networks, and IAM permissions to secure your cloud resources.

Serverless Architecture

Based on serverless architecture, the solution lets you focus more on business use cases themselves without worrying about service availability and scalability. There is no upfront cost to use this solution.
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