Deploy an Amazon MQ broker and an AWS Lambda function that can publish to it. This project also includes a sample Node.js client application that can connect to the Amazon MQ broker and receive messages published by the Lambda function.

.
├── README.MD                   <-- This instructions file
├── src
│  └── PublishMessage               <-- Source code for a lambda function
│       └── app.js                  <-- Lambda handler to publish messages to an MQTT endpoint on Amazon MQ
│       └── package.json            <-- NodeJS dependencies and scripts
├── client-app
│   └── app.js                  <-- Node.js app to subscribe to messages from an MQTT endpoint on Amazon MQ
│   └── package.json            <-- NodeJS dependencies and scripts
├── template.yaml               <-- SAM template

• A Lambda function for publishing messages to Amazon MQ over MQTT.
• An Amazon MQ SINGLE_INSTANCE broker.

• AWS CLI already configured with Administrator permission
• NodeJS 8.10+ installed

1. Create an AWS account if you do not already have one and login.
2. Go to the app's page on the Serverless Application Repository and click "Deploy"
3. Provide the required app parameters (see parameter details below) and click "Deploy"

• AdminUsername: (Required) A username for AmazonMQ console access.
• AdminPassword: (Required) A password for AmazonMQ console access. 12 characters and at least 4 unique characters.
• ClientUsername: (Required) A username for a client.
• ClientPassword: (Required) A password for a client. 12 characters and at least 4 unique characters.

To run the Node.js client-app run the following commands in the client-app directory in this repository. Replacing the arguments with credentials from your Amazon MQ broker.

npm install
node app.js "username" "password" "wss://endpoint:port" "some/topic"

Testing the Lambda function:

• Navigate to the AWS Lambda console and choose the newly created PublishMessage function.
• Create a test event.
• Run a test invocation.
• Messages published will appear in the console of the Node.js client-app.

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This library is licensed under the MIT-0 License. See the LICENSE file.