Development and Deployment of AWS Lambda Functions: A function to list users in the infrastructure

AWS_Lambda_and_Apex_ListUsers-index.js

var assert = require('assert');

exports.handler = function(event, context) {
	// Log the context, it contains details about the function's execution
	console.log("Context: %j", context);
	// Log the event, it contains data and parameters passed to the function
	console.log("Event: %j",event);

	try {
		// Simple example to show that the assert library was successfully included
		assert.strictEqual(typeof context, "object", "context is not a valid object");
	} catch(e) {
		// Catch the assertion error, and fail the method's execution
		console.error(e);
		context.fail(e);
		return;
	}

	// Create a static representation of our users, and return that
	var payload = {
		"10000001": {
			"name": "Bruce Wayne",
			"email": "[email protected]"
		},
		"10000002": {
			"name": "Harvey Dent",
			"email": "[email protected]",
		},
		"10000003": {
			"name": "Lucius Fox",
			"email": "[email protected]"
		}
	};

	// If the event has a name and email in it, add it to the returned payload
	if(event.name !== undefined && event.email !== undefined) {
		payload["10000004"] = {
			"name": event.name,
			"email": event.email
		};
	}

	// Send the payload back
	context.succeed(payload);
};