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server.js
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server.js
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"use strict";
var express = require('express');
var mongoose = require('mongoose');
var bodyParser = require('body-parser');
var BPromise = require("bluebird");
var logger = require('./util/logger');
var nconf = require("nconf");
var app = null;
// routes we want to include
var routes = [
'schemas',
'entities',
'hiera',
'hooks',
'users',
'tokens',
'info',
'scripts',
'endpoints'
];
if (process.env.SIS_DEBUG) {
BPromise.longStackTraces();
}
var startServer = function(callback) {
var SIS = require("./util/constants");
var LOGGER = logger.createLogger({
name : "SISServer"
});
var allowCrossDomain = function(req,res,next) {
var origin = req.get("origin") || "*";
res.set('Access-Control-Allow-Origin', origin);
res.set('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
res.set('Access-Control-Allow-Headers', 'Content-Type,X-Requested-With,x-auth-token,Authorization');
res.set('Access-Control-Expose-Headers', "x-total-count");
next();
};
var passport = require("passport");
var webUtil = require("./routes/webutil");
var app = express();
app.use(logger.loggingMiddleware());
//app.use(webUtil.json());
app.use(bodyParser.json({
// set byte limit
limit : SIS.MAX_BODY_SIZE_BYTES
}));
app.use(allowCrossDomain);
// Setup global options
// --------------------
app.head('/',function(req,res) {
res.send(200);
});
app.options('/',function(req,res) {
res.send(200);
});
app.disable('etag');
app.enable('trust proxy');
var opts = nconf.get('db').opts || { };
mongoose.connect(nconf.get('db').url, opts, function(err) {
if (err) {
LOGGER.error({ err : err }, "Error connecting");
process.exit(1);
}
// express app settings
var appConfig = nconf.get('app') || {};
for (var k in appConfig) {
app.set(k, appConfig[k]);
}
app.locals.closeListeners = [];
var schemaManager = require('./util/schema-manager')(mongoose, appConfig);
schemaManager.bootstrapEntitySchemas(function(err) {
if (err) {
throw err;
}
passport.use(webUtil.createTokenStrategy(schemaManager));
passport.use(webUtil.createUserPassStrategy(schemaManager, appConfig));
app.use(passport.initialize());
var cfg = { };
cfg[SIS.OPT_SCHEMA_MGR] = schemaManager;
cfg[SIS.OPT_USE_AUTH] = app.get(SIS.OPT_USE_AUTH);
app.set(SIS.OPT_SCHEMA_MGR, schemaManager);
// setup the routes
routes.map(function(routeName) {
var route = require("./routes/" + routeName);
route.setup(app, cfg);
});
// setup error handler
app.use(logger.errorLoggingMiddleware());
app.use(function(err, req, res, next) {
var errObj = SIS.ERR_INTERNAL("Unexpected error : " + err);
res.status(errObj[0]).send(errObj[1]);
});
// listen
var httpServer = app.listen(nconf.get('server').port, function(err) {
httpServer.on("close", function() {
app.locals.closeListeners.forEach(function(handler) {
handler();
});
});
if (callback) {
callback(app, httpServer);
}
});
});
});
};
function main() {
nconf.env('__')
.argv()
.file("config.json.local", __dirname + "/conf/config.json.local")
.file("config.json", __dirname + "/conf/config.json");
var LOGGER = logger.createLogger({
name : "SISMain"
});
var setupCloseHandlers = function(app, server) {
mongoose.connection.on('error', function(err) {
LOGGER.error({ err : err }, "A connection error occurred.");
server.close(function() {
process.exit(1);
});
});
process.on("SIGINT", function() {
server.close(function() {
process.exit(0);
});
});
};
if (nconf.get("app:use_cluster")) {
var cluster = require("cluster");
if (cluster.isMaster) {
var cpuCount = require('os').cpus().length;
var worker = null;
// Create a worker for each CPU
for (var i = 0; i < cpuCount; i += 1) {
worker = cluster.fork();
LOGGER.info({ worker_pid : worker.process.pid }, "Created worker");
}
// create workers when they exit
cluster.on('exit', function(worker) {
LOGGER.error({ worker_pid : worker.process.pid }, 'worker died. forking again.');
cluster.fork();
});
} else {
startServer(setupCloseHandlers);
}
} else {
startServer(setupCloseHandlers);
}
}
// Run if we're the root module
if (!module.parent) {
main();
}
module.exports.mongoose = mongoose;
module.exports.startServer = startServer;
module.exports.stopServer = function(server, callback) {
server.close(callback);
};