closes #4843

src/controllers/index.js

@@ -339,6 +339,10 @@ Controllers.termsOfUse = function(req, res, next) {
 	res.render('tos', {termsOfUse: meta.config.termsOfUse});
 };
 
+Controllers.ping = function(req, res) {
+	res.status(200).send(req.path === '/sping' ? 'healthy' : '200');
+};
+
 Controllers.handle404 = function(req, res) {
 	var relativePath = nconf.get('relative_path');
 	var isLanguage = new RegExp('^' + relativePath + '/language/.*/.*.json');

src/middleware/maintenance.js

@@ -3,8 +3,6 @@
 var nconf = require('nconf');
 var meta = require('../meta');
 var user = require('../user');
-var translator = require('../../public/src/modules/translator');
-
 
 module.exports = function(middleware) {
 
@@ -15,42 +13,46 @@ module.exports = function(middleware) {
 		var url = req.url.replace(nconf.get('relative_path'), '');
 
 		var allowedRoutes = [
-				'^/login',
+			'^/ping',
-				'^/stylesheet.css',
+			'^/sping',
-				'^/favicon',
+			'^/login',
-				'^/nodebb.min.js',
+			'^/stylesheet.css',
-				'^/vendor/fontawesome/fonts/fontawesome-webfont.woff',
+			'^/favicon',
-				'^/src/(modules|client)/[\\w/]+.js',
+			'^/nodebb.min.js',
-				'^/templates/[\\w/]+.tpl',
+			'^/vendor/fontawesome/fonts/fontawesome-webfont.woff',
-				'^/api/login',
+			'^/src/(modules|client)/[\\w/]+.js',
-				'^/api/widgets/render',
+			'^/templates/[\\w/]+.tpl',
-				'^/language/.+',
+			'^/api/login',
-				'^/uploads/system/site-logo.png'
+			'^/api/widgets/render',
-			],
+			'^/language/.+',
-			render = function() {
+			'^/uploads/system/site-logo.png'
-				res.status(503);
+		];
-				var data = {
+		var render = function() {
-					site_title: meta.config.title || 'NodeBB',
+			res.status(503);
-					message: meta.config.maintenanceModeMessage
+			var data = {
-				};
+				site_title: meta.config.title || 'NodeBB',
-				if (!isApiRoute.test(url)) {
+				message: meta.config.maintenanceModeMessage
-					middleware.buildHeader(req, res, function() {
+			};
-						res.render('503', data);
+			if (!isApiRoute.test(url)) {
-					});
+				middleware.buildHeader(req, res, function() {
-				} else {
+					res.render('503', data);
-					res.json(data);
+				});
-				}
+			} else {
-			},
+				res.json(data);
-			isAllowed = function(url) {
+			}
-				for(var x=0,numAllowed=allowedRoutes.length,route;x<numAllowed;x++) {
+		};
-					route = new RegExp(allowedRoutes[x]);
+
-					if (route.test(url)) {
+		var isAllowed = function(url) {
-						return true;
+			for(var x=0,numAllowed=allowedRoutes.length,route;x<numAllowed;x++) {
-					}
+				route = new RegExp(allowedRoutes[x]);
+				if (route.test(url)) {
+					return true;
 				}
-				return false;
+			}
-			},
+			return false;
-			isApiRoute = /^\/api/;
+		};
+
+		var isApiRoute = /^\/api/;
 
 		if (isAllowed(url)) {
 			return next();

src/routes/index.js

@@ -36,6 +36,9 @@ function mainRoutes(app, middleware, controllers) {
 	setupPageRoute(app, '/search/:term?', middleware, [], controllers.search.search);
 	setupPageRoute(app, '/reset/:code?', middleware, [], controllers.reset);
 	setupPageRoute(app, '/tos', middleware, [], controllers.termsOfUse);
+
+	app.get('/ping', controllers.ping);
+	app.get('/sping', controllers.ping);
 }
 
 function globalModRoutes(app, middleware, controllers) {