Windshaft-cartodb/app.js
2015-09-18 16:25:10 +02:00

121 lines
3.6 KiB
JavaScript
Executable File

var http = require('http');
var https = require('https');
var path = require('path');
var fs = require('fs');
var _ = require('underscore');
var ENVIRONMENT;
if ( process.argv[2] ) {
ENVIRONMENT = process.argv[2];
} else if ( process.env.NODE_ENV ) {
ENVIRONMENT = process.env.NODE_ENV;
} else {
ENVIRONMENT = 'development';
}
var availableEnvironments = {
production: true,
staging: true,
development: true
};
// sanity check
if (!availableEnvironments[ENVIRONMENT]){
console.error('node app.js [environment]');
console.error('environments: %s', Object.keys(availableEnvironments).join(', '));
process.exit(1);
}
process.env.NODE_ENV = ENVIRONMENT;
// set environment specific variables
global.environment = require('./config/environments/' + ENVIRONMENT);
global.log4js = require('log4js');
var log4js_config = {
appenders: [],
replaceConsole: true
};
if (global.environment.uv_threadpool_size) {
process.env.UV_THREADPOOL_SIZE = global.environment.uv_threadpool_size;
}
// set global HTTP and HTTPS agent default configurations
// ref https://nodejs.org/api/http.html#http_new_agent_options
var agentOptions = _.defaults(global.environment.httpAgent || {}, {
keepAlive: false,
keepAliveMsecs: 1000,
maxSockets: Infinity,
maxFreeSockets: 256
});
http.globalAgent = new http.Agent(agentOptions);
https.globalAgent = new https.Agent(agentOptions);
if ( global.environment.log_filename ) {
var logdir = path.dirname(global.environment.log_filename);
// See cwd inlog4js.configure call below
logdir = path.resolve(__dirname, logdir);
if ( ! fs.existsSync(logdir) ) {
console.error("Log filename directory does not exist: " + logdir);
process.exit(1);
}
console.log("Logs will be written to " + global.environment.log_filename);
log4js_config.appenders.push(
{ type: "file", filename: global.environment.log_filename }
);
} else {
log4js_config.appenders.push(
{ type: "console", layout: { type:'basic' } }
);
}
global.log4js.configure(log4js_config, { cwd: __dirname });
global.logger = global.log4js.getLogger();
global.environment.api_hostname = require('os').hostname().split('.')[0];
// Include cartodb_windshaft only _after_ the "global" variable is set
// See https://github.com/Vizzuality/Windshaft-cartodb/issues/28
var cartodbWindshaft = require('./lib/cartodb/server');
var serverOptions = require('./lib/cartodb/server_options');
var server = cartodbWindshaft(serverOptions);
// Maximum number of connections for one process
// 128 is a good number if you have up to 1024 filedescriptors
// 4 is good if you have max 32 filedescriptors
// 1 is good if you have max 16 filedescriptors
var backlog = global.environment.maxConnections || 128;
var listener = server.listen(serverOptions.bind.port, serverOptions.bind.host, backlog);
var version = require("./package").version;
listener.on('listening', function() {
console.log(
"Windshaft tileserver %s started on %s:%s PID=%d (%s)",
version, serverOptions.bind.host, serverOptions.bind.port, process.pid, ENVIRONMENT
);
});
setInterval(function() {
var memoryUsage = process.memoryUsage();
Object.keys(memoryUsage).forEach(function(k) {
global.statsClient.gauge('windshaft.memory.' + k, memoryUsage[k]);
});
}, 5000);
process.on('SIGHUP', function() {
global.log4js.clearAndShutdownAppenders(function() {
global.log4js.configure(log4js_config);
global.logger = global.log4js.getLogger();
console.log('Log files reloaded');
});
});
process.on('uncaughtException', function(err) {
global.logger.error('Uncaught exception: ' + err.stack);
});