gistfile1.js

console.log('Loading function');

var AWS = require('aws-sdk');
AWS.config.region = 'us-east-1';

// Hipchat room notification auth token, as per: https://www.hipchat.com/docs/apiv2/auth
// Make sure to create it per token
var authToken = 'API-TOKEN-PER-ROOM';
var critical = 'true';
// Hipchat server and room name
var host = 'jumpstart.hipchat.com';
//API ID OF THE ROOM
var room = 'API-ID';

var https = require('https');

var sqs = new AWS.SQS();

exports.handler = (event, context) => {
  var params = {
  AttributeNames: [
     "ApproximateNumberOfMessages"
  ], 
  QueueUrl: "QUEUE-URL"
 };
 sqs.getQueueAttributes(params, function(err, data) {
   if (err) {
       console.log(err, err.stack);// an error occurred
   }else{
       console.log(data.Attributes.ApproximateNumberOfMessages);           // successful response
       Notify(data.Attributes.ApproximateNumberOfMessages,function(status) {
           console.log(status);
       });
       //context.done();  // SUCCESS
   }     
 });
};

function Notify(body,completedCallback) {
    var messageBody ='Number of Messages in ContentPublishing-qa-Rejected:'+body;
    
    // The notification message to send
    var message = {
        message: messageBody,
        color: 'red',
        notify: critical,
        message_format: 'text'
    };

    var messageString = JSON.stringify(message);
    // Options and headers for the HTTPS request
    var options = {
        host: host,
        port: 443,
        path: '/v2/room/' + room + '/notification',
        method: 'POST',
        headers: {
                    'Content-Type': 'application/json',
                    'Content-Length': messageString.length,
                    'Authorization': 'Bearer '+authToken
                 }
    };

    // Setup the HTTPS request
    var req = https.request(options, function (res) {

        // Collect response data as it comes back.
        var responseString = '';
        res.on('data', function (data) {
            responseString += data;
        });

        // Log the response received from Hipchat: if it's empty it's usually 200-OK.
        res.on('end', function () {
            if (!responseString) {
                console.log('Hipchat Response: 200 OK');
                completedCallback('API request sent successfully.');
            } else {
                console.log('Hipchat Response: ' + JSON.stringify(responseString));
                completedCallback('API request sent almost successfully.');
            }
        });
    });

    // Handler for HTTPS request errors.
    req.on('error', function (e) {
        console.error('HTTPS error: ' + e.message);
        completedCallback('API request completed with error(s).');
    });

    // Send the HTTPS request to the Hipchat API.
    // Log the message we are sending.
    console.log('Hipchat API call: ' + messageString);
    req.write(messageString);
    req.end();
}