Creating a Simple Notification Service (SNS) Topic

The Amazon Simple Queue Service (SQS) is a queue system that enables you to queue messages generated by your EC2 Instances. In order to capture messages from your Instances, you must create a Simple Notification Service (SNS) Topic and specify it as part of your User Data in the CloudFormation Template.

For details on the SQS queue system and creating an SNS topic, see What is Amazon Simple Queue Service .

There are a number of ways to create an SNS topic. One way is described below.

1. In the Services page, search for and click on Simple Notification Service to open the SNS Dashboard.

2. Select Topics in the left menu and click Create topic.

3. Enter a name and an optional display name. Click Create topic

4. In the details page, note the topic ARN. This is what you will enter for the LogSNS field when you create your stack, as described in Creating a CloudFormation Stack Using the AWS Console.

5. You must subscribe to an SNS Topic to view the messages. To subscribe to the topic, click Create subscription. There are a number of ways to subscribe to an SNS Topic, as described in What is Amazon SNS?