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app.js
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app.js
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/*
* Monitor remote server uptime.
*/
var http = require('http');
var url = require('url');
var express = require('express');
var config = require('config');
var socketIo = require('socket.io');
var fs = require('fs');
var monitor = require('./lib/monitor');
var analyzer = require('./lib/analyzer');
var CheckEvent = require('./models/checkEvent');
var Ping = require('./models/ping');
var PollerCollection = require('./lib/pollers/pollerCollection');
var apiApp = require('./app/api/app');
var dashboardApp = require('./app/dashboard/app');
// database
var mongoose = require('./bootstrap');
var a = analyzer.createAnalyzer(config.analyzer);
a.start();
// web front
var app = module.exports = express();
var server = http.createServer(app);
app.configure(function(){
app.use(app.router);
// the following middlewares are only necessary for the mounted 'dashboard' app,
// but express needs it on the parent app (?) and it therefore pollutes the api
app.use(express.bodyParser());
app.use(express.methodOverride());
app.use(express.cookieParser('Z5V45V6B5U56B7J5N67J5VTH345GC4G5V4'));
app.use(express.cookieSession({
key: 'uptime',
secret: 'FZ5HEE5YHD3E566756234C45BY4DSFZ4',
proxy: true,
cookie: { maxAge: 60 * 60 * 1000 }
}));
app.set('pollerCollection', new PollerCollection());
});
// load plugins (may add their own routes and middlewares)
config.plugins.forEach(function(pluginName) {
var plugin = require(pluginName);
if (typeof plugin.initWebApp !== 'function') return;
console.log('loading plugin %s on app', pluginName);
plugin.initWebApp({
app: app,
api: apiApp, // mounted into app, but required for events
dashboard: dashboardApp, // mounted into app, but required for events
io: io,
config: config,
mongoose: mongoose
});
});
app.emit('beforeFirstRoute', app, apiApp);
app.configure('development', function() {
if (config.verbose) mongoose.set('debug', true);
app.use(express.static(__dirname + '/public'));
app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
});
app.configure('production', function() {
var oneYear = 31557600000;
app.use(express.static(__dirname + '/public', { maxAge: oneYear }));
app.use(express.errorHandler());
});
// Routes
app.emit('beforeApiRoutes', app, apiApp);
app.use('/api', apiApp);
app.emit('beforeDashboardRoutes', app, dashboardApp);
app.use('/dashboard', dashboardApp);
app.get('/', function(req, res) {
res.redirect('/dashboard/events');
});
app.get('/favicon.ico', function(req, res) {
res.redirect(301, '/dashboard/favicon.ico');
});
app.emit('afterLastRoute', app);
// Sockets
var io = socketIo.listen(server);
io.configure('production', function() {
io.enable('browser client etag');
io.set('log level', 1);
});
io.configure('development', function() {
if (!config.verbose) io.set('log level', 1);
});
CheckEvent.on('afterInsert', function(event) {
io.sockets.emit('CheckEvent', event.toJSON());
});
io.sockets.on('connection', function(socket) {
socket.on('set check', function(check) {
socket.set('check', check);
});
Ping.on('afterInsert', function(ping) {
socket.get('check', function(err, check) {
if (ping.check == check) {
socket.emit('ping', ping);
}
});
});
});
// old way to load plugins, kept for BC
fs.exists('./plugins/index.js', function(exists) {
if (exists) {
var pluginIndex = require('./plugins');
var initFunction = pluginIndex.init || pluginIndex.initWebApp;
if (typeof initFunction === 'function') {
initFunction({
app: app,
api: apiApp, // mounted into app, but required for events
dashboard: dashboardApp, // mounted into app, but required for events
io: io,
config: config,
mongoose: mongoose
});
}
}
});
module.exports = app;
var monitorInstance;
if (!module.parent) {
var serverUrl = url.parse(config.url);
var port;
if (config.server && config.server.port) {
console.error('Warning: The server port setting is deprecated, please use the url setting instead');
port = config.server.port;
} else {
port = serverUrl.port;
if (port === null) {
port = 80;
}
}
var port = process.env.PORT || port;
var host = process.env.HOST || serverUrl.hostname;
server.listen(port, function(){
console.log("Express server listening on host %s, port %d in %s mode", host, port, app.settings.env);
});
server.on('error', function(e) {
if (monitorInstance) {
monitorInstance.stop();
process.exit(1);
}
});
}
// monitor
if (config.autoStartMonitor) {
monitorInstance = require('./monitor');
}