Windshaft-cartodb/app.js

113 lines
3.2 KiB
JavaScript
Executable File

/*
* Windshaft-CartoDB
* ===============
*
* ./app.js [environment]
*
* environments: [development, production]
*/
var path = require('path'),
fs = require('fs')
;
if ( process.argv[2] ) ENV = process.argv[2];
else if ( process.env['NODE_ENV'] ) ENV = process.env['NODE_ENV'];
else ENV = 'development';
process.env['NODE_ENV'] = ENV;
// sanity check
if (ENV != 'development' && ENV != 'production' && ENV != 'staging' ){
console.error("\nnode app.js [environment]");
console.error("environments: development, production, staging\n");
process.exit(1);
}
var _ = require('underscore');
// set environment specific variables
global.environment = require(__dirname + '/config/environments/' + ENV);
global.environment.api_hostname = require('os').hostname().split('.')[0];
global.log4js = require('log4js')
log4js_config = {
appenders: [],
replaceConsole:true
};
if (global.environment.uv_threadpool_size) {
process.env.UV_THREADPOOL_SIZE = global.environment.uv_threadpool_size;
}
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' } }
);
}
if ( global.environment.rollbar ) {
log4js_config.appenders.push({
type: __dirname + "/lib/cartodb/log4js_rollbar.js",
options: global.environment.rollbar
});
}
log4js.configure(log4js_config, { cwd: __dirname });
global.logger = log4js.getLogger();
// Include cartodb_windshaft only _after_ the "global" variable is set
// See https://github.com/Vizzuality/Windshaft-cartodb/issues/28
var CartodbWindshaft = require('./lib/cartodb/cartodb_windshaft');
var serverOptions = require('./lib/cartodb/server_options')();
ws = 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
ws.maxConnections = global.environment.maxConnections || 128;
ws.listen(global.environment.port, global.environment.host);
var version = require("./package").version;
ws.on('listening', function() {
console.log("Windshaft tileserver " + version + " started on "
+ global.environment.host + ':' + global.environment.port
+ " (" + ENV + ")");
});
// DEPRECATED, use SIGUSR2
process.on('SIGUSR1', function() {
console.log('WARNING: handling of SIGUSR1 by Windshaft-CartoDB is deprecated, please send SIGUSR2 instead');
ws.dumpCacheStats();
});
process.on('SIGUSR2', function() {
ws.dumpCacheStats();
});
process.on('SIGHUP', function() {
log4js.configure(log4js_config);
console.log('Log files reloaded');
});
process.on('uncaughtException', function(err) {
logger.error('Uncaught exception: ' + err.stack);
});