var http = require('http'); var https = require('https'); var path = require('path'); var fs = require('fs'); var _ = require('underscore'); // jshint undef:false var log = console.log.bind(console); var logError = console.error.bind(console); // jshint undef:true var argv = require('yargs') .usage('Usage: $0 [options]') .help('h') .example( '$0 production -c /etc/sql-api/config.js', 'start server in production environment with /etc/sql-api/config.js as config file' ) .alias('h', 'help') .alias('c', 'config') .nargs('c', 1) .describe('c', 'Load configuration from path') .argv; var environmentArg = argv._[0] || process.env.NODE_ENV || 'development'; var configurationFile = path.resolve(argv.config || './config/environments/' + environmentArg + '.js'); if (!fs.existsSync(configurationFile)) { logError('Configuration file "%s" does not exist', configurationFile); process.exit(1); } global.environment = require(configurationFile); var ENVIRONMENT = argv._[0] || process.env.NODE_ENV || global.environment.environment; process.env.NODE_ENV = ENVIRONMENT; var availableEnvironments = { production: true, staging: true, development: true }; // sanity check if (!availableEnvironments[ENVIRONMENT]){ logError('node app.js [environment]'); logError('environments: %s', Object.keys(availableEnvironments).join(', ')); process.exit(1); } process.env.NODE_ENV = ENVIRONMENT; 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); global.log4js = require('log4js'); var log4jsConfig = { appenders: [], replaceConsole: true }; if ( global.environment.log_filename ) { var logFilename = path.resolve(global.environment.log_filename); var logDirectory = path.dirname(logFilename); if (!fs.existsSync(logDirectory)) { logError("Log filename directory does not exist: " + logDirectory); process.exit(1); } log("Logs will be written to " + logFilename); log4jsConfig.appenders.push( { type: "file", absolute: true, filename: logFilename } ); } else { log4jsConfig.appenders.push( { type: "console", layout: { type:'basic' } } ); } global.log4js.configure(log4jsConfig); 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() { log("Using Node.js %s", process.version); log('Using configuration file "%s"', configurationFile); 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(log4jsConfig); global.logger = global.log4js.getLogger(); log('Log files reloaded'); }); }); process.on('uncaughtException', function(err) { global.logger.error('Uncaught exception: ' + err.stack); });