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import * as os from 'os';
import * as cluster from 'cluster';
import chalk from 'chalk';
import * as portscanner from 'portscanner';
import * as isRoot from 'is-root';
import Logger from '../services/logger';
import loadConfig from '../config/load';
import { Config } from '../config/types';
import { lessThan } from '../prelude/array';
import * as pkg from '../../package.json';
import { program } from '../argv';
import { showMachineInfo } from '../misc/show-machine-info';
import { initDb } from '../db/postgre';
const logger = new Logger('core', 'cyan');
const bootLogger = logger.createSubLogger('boot', 'magenta', false);
function greet() {
if (!program.quiet) {
//#region Misskey logo
const v = `v${pkg.version}`;
console.log(' _____ _ _ ');
console.log(' | |_|___ ___| |_ ___ _ _ ');
console.log(' | | | | |_ -|_ -| \'_| -_| | |');
console.log(' |_|_|_|_|___|___|_,_|___|_ |');
console.log(' ' + chalk.gray(v) + (' |___|\n'.substr(v.length)));
//#endregion
console.log(' Misskey is maintained by @syuilo, @AyaMorisawa, @mei23, and @acid-chicken.');
console.log(chalk.keyword('orange')(' If you like Misskey, please donate to support development. https://www.patreon.com/syuilo'));
console.log('');
console.log(chalk`< ${os.hostname()} {gray (PID: ${process.pid.toString()})} >`);
}
bootLogger.info('Welcome to Misskey!');
bootLogger.info(`Misskey v${pkg.version}`, null, true);
}
/**
* Init master process
*/
export async function masterMain() {
greet();
let config: Config;
try {
// initialize app
config = await init();
if (config.port == null) {
bootLogger.error('The port is not configured. Please configure port.', null, true);
process.exit(1);
}
if (process.platform === 'linux' && isWellKnownPort(config.port) && !isRoot()) {
bootLogger.error('You need root privileges to listen on well-known port on Linux', null, true);
process.exit(1);
}
if (!await isPortAvailable(config.port)) {
bootLogger.error(`Port ${config.port} is already in use`, null, true);
process.exit(1);
}
} catch (e) {
bootLogger.error('Fatal error occurred during initialization', null, true);
process.exit(1);
}
bootLogger.succ('Misskey initialized');
if (!program.disableClustering) {
await spawnWorkers(config.clusterLimit);
}
if (!program.noDaemons) {
require('../daemons/server-stats').default();
require('../daemons/notes-stats').default();
require('../daemons/queue-stats').default();
}
bootLogger.succ(`Now listening on port ${config.port} on ${config.url}`, null, true);
}
const runningNodejsVersion = process.version.slice(1).split('.').map(x => parseInt(x, 10));
const requiredNodejsVersion = [11, 7, 0];
const satisfyNodejsVersion = !lessThan(runningNodejsVersion, requiredNodejsVersion);
function isWellKnownPort(port: number): boolean {
return port < 1024;
}
async function isPortAvailable(port: number): Promise<boolean> {
return await portscanner.checkPortStatus(port, '127.0.0.1') === 'closed';
}
function showEnvironment(): void {
const env = process.env.NODE_ENV;
const logger = bootLogger.createSubLogger('env');
logger.info(typeof env == 'undefined' ? 'NODE_ENV is not set' : `NODE_ENV: ${env}`);
if (env !== 'production') {
logger.warn('The environment is not in production mode.');
logger.warn('DO NOT USE FOR PRODUCTION PURPOSE!', null, true);
}
logger.info(`You ${isRoot() ? '' : 'do not '}have root privileges`);
}
/**
* Init app
*/
async function init(): Promise<Config> {
showEnvironment();
const nodejsLogger = bootLogger.createSubLogger('nodejs');
nodejsLogger.info(`Version ${runningNodejsVersion.join('.')}`);
if (!satisfyNodejsVersion) {
nodejsLogger.error(`Node.js version is less than ${requiredNodejsVersion.join('.')}. Please upgrade it.`, null, true);
process.exit(1);
}
await showMachineInfo(bootLogger);
const configLogger = bootLogger.createSubLogger('config');
let config;
try {
config = loadConfig();
} catch (exception) {
if (typeof exception === 'string') {
configLogger.error(exception);
process.exit(1);
}
if (exception.code === 'ENOENT') {
configLogger.error('Configuration file not found', null, true);
process.exit(1);
}
throw exception;
}
configLogger.succ('Loaded');
// Try to connect to DB
try {
bootLogger.info('Connecting database...');
await initDb();
} catch (e) {
bootLogger.error('Cannot connect to database', null, true);
bootLogger.error(e);
process.exit(1);
}
return config;
}
async function spawnWorkers(limit: number = Infinity) {
const workers = Math.min(limit, os.cpus().length);
bootLogger.info(`Starting ${workers} worker${workers === 1 ? '' : 's'}...`);
await Promise.all([...Array(workers)].map(spawnWorker));
bootLogger.succ('All workers started');
}
function spawnWorker(): Promise<void> {
return new Promise(res => {
const worker = cluster.fork();
worker.on('message', message => {
if (message !== 'ready') return;
res();
});
});
}
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