refactor app.js/start
barisusakli
8 years ago
parent
e1253f693a
commit
c36e2aa13d
@ -0,0 +1,164 @@
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'use strict';
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var async = require('async');
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var nconf = require('nconf');
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var url = require('url');
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var winston = require('winston');
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var start = module.exports;
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start.start = function () {
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var db = require('./database');
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setupConfigs();
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printStartupInfo();
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addProcessHandlers();
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async.waterfall([
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function (next) {
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db.init(next);
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},
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function (next) {
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var meta = require('./meta');
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async.parallel([
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async.apply(db.checkCompatibility),
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async.apply(meta.configs.init),
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function (next) {
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if (nconf.get('dep-check') === undefined || nconf.get('dep-check') !== false) {
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meta.dependencies.check(next);
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} else {
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winston.warn('[init] Dependency checking skipped!');
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setImmediate(next);
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}
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},
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function (next) {
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require('./upgrade').check(next);
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}
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], function (err) {
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next(err);
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});
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},
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function (next) {
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var webserver = require('./webserver');
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require('./socket.io').init(webserver.server);
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if (nconf.get('isPrimary') === 'true' && !nconf.get('jobsDisabled')) {
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require('./notifications').init();
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require('./user').startJobs();
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}
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webserver.listen(next);
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}
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], function (err) {
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if (err) {
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switch(err.message) {
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case 'schema-out-of-date':
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winston.warn('Your NodeBB schema is out-of-date. Please run the following command to bring your dataset up to spec:');
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winston.warn(' ./nodebb upgrade');
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break;
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case 'dependencies-out-of-date':
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winston.warn('One or more of NodeBB\'s dependent packages are out-of-date. Please run the following command to update them:');
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winston.warn(' ./nodebb upgrade');
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break;
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case 'dependencies-missing':
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winston.warn('One or more of NodeBB\'s dependent packages are missing. Please run the following command to update them:');
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winston.warn(' ./nodebb upgrade');
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break;
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default:
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winston.error(err);
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break;
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}
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// Either way, bad stuff happened. Abort start.
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process.exit();
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}
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if (process.send) {
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process.send({
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action: 'listening'
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});
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}
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});
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};
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function setupConfigs() {
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// nconf defaults, if not set in config
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if (!nconf.get('upload_path')) {
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nconf.set('upload_path', '/public/uploads');
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}
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if (!nconf.get('sessionKey')) {
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nconf.set('sessionKey', 'express.sid');
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}
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// Parse out the relative_url and other goodies from the configured URL
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var urlObject = url.parse(nconf.get('url'));
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var relativePath = urlObject.pathname !== '/' ? urlObject.pathname : '';
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nconf.set('base_url', urlObject.protocol + '//' + urlObject.host);
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nconf.set('secure', urlObject.protocol === 'https:');
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nconf.set('use_port', !!urlObject.port);
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nconf.set('relative_path', relativePath);
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nconf.set('port', urlObject.port || nconf.get('port') || nconf.get('PORT') || (nconf.get('PORT_ENV_VAR') ? nconf.get(nconf.get('PORT_ENV_VAR')) : false) || 4567);
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nconf.set('upload_url', nconf.get('upload_path').replace(/^\/public/, ''));
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}
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function printStartupInfo() {
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if (nconf.get('isPrimary') === 'true') {
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winston.info('Time: %s', (new Date()).toString());
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winston.info('Initializing NodeBB v%s', nconf.get('version'));
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var host = nconf.get(nconf.get('database') + ':host');
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var storeLocation = host ? 'at ' + host + (host.indexOf('/') === -1 ? ':' + nconf.get(nconf.get('database') + ':port') : '') : '';
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winston.verbose('* using %s store %s', nconf.get('database'), storeLocation);
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winston.verbose('* using themes stored in: %s', nconf.get('themes_path'));
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}
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}
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function addProcessHandlers() {
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process.on('SIGTERM', shutdown);
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process.on('SIGINT', shutdown);
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process.on('SIGHUP', restart);
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process.on('message', function (message) {
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if (typeof message !== 'object') {
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return;
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}
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var meta = require('./meta');
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switch (message.action) {
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case 'reload':
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meta.reload();
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break;
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}
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});
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process.on('uncaughtException', function (err) {
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winston.error(err);
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require('./meta').js.killMinifier();
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shutdown(1);
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});
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}
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function restart() {
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if (process.send) {
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winston.info('[app] Restarting...');
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process.send({
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action: 'restart'
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});
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} else {
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winston.error('[app] Could not restart server. Shutting down.');
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shutdown(1);
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}
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}
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function shutdown(code) {
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winston.info('[app] Shutdown (SIGTERM/SIGINT) Initialised.');
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require('./src/database').close();
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winston.info('[app] Database connection closed.');
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require('./src/webserver').server.close();
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winston.info('[app] Web server closed to connections.');
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winston.info('[app] Shutdown complete.');
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process.exit(code || 0);
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}
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