forked from FoundKeyGang/FoundKey
172 lines
5.1 KiB
TypeScript
172 lines
5.1 KiB
TypeScript
import * as fs from 'node:fs';
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import { fileURLToPath } from 'node:url';
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import { dirname } from 'node:path';
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import * as os from 'node:os';
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import cluster from 'node:cluster';
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import chalk from 'chalk';
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import chalkTemplate from 'chalk-template';
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import semver from 'semver';
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import Logger from '@/services/logger.js';
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import loadConfig from '@/config/load.js';
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import { Config } from '@/config/types.js';
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import { showMachineInfo } from '@/misc/show-machine-info.js';
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import { envOption } from '@/env.js';
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import { db, initDb } from '@/db/postgre.js';
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const _filename = fileURLToPath(import.meta.url);
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const _dirname = dirname(_filename);
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const meta = JSON.parse(fs.readFileSync(`${_dirname}/../../../../built/meta.json`, 'utf-8'));
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const logger = new Logger('core', 'cyan');
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const bootLogger = logger.createSubLogger('boot', 'magenta', false);
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const themeColor = chalk.hex('#86b300');
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function greet(): void {
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if (!envOption.quiet) {
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//#region FoundKey logo
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console.log(themeColor(' ___ _ _ __ '));
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console.log(themeColor(' | __|__ _ _ _ _ __| | |/ /___ _ _ '));
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console.log(themeColor(' | _/ _ \\ || | \' \\/ _` | \' </ -_) || |'));
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console.log(themeColor(' |_|\\___/\\_,_|_||_\\__,_|_|\\_\\___|\\_, |'));
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console.log(themeColor(' |__/ '));
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//#endregion
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console.log(' FoundKey is an open-source decentralized microblogging platform.');
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console.log('');
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console.log(chalkTemplate`--- ${os.hostname()} {gray (PID: ${process.pid.toString()})} ---`);
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}
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bootLogger.info('Welcome to FoundKey!');
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bootLogger.info(`FoundKey v${meta.version}`, null, true);
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}
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/**
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* Init master process
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*/
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export async function masterMain(): Promise<void> {
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let config!: Config;
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// initialize app
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try {
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greet();
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showEnvironment();
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await showMachineInfo(bootLogger);
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showNodejsVersion();
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config = loadConfigBoot();
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await connectDb();
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} catch (e) {
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bootLogger.error('Fatal error occurred during initialization', {}, true);
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process.exit(1);
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}
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bootLogger.succ('FoundKey initialized');
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if (!envOption.disableClustering) {
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await spawnWorkers(config.clusterLimits);
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}
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bootLogger.succ(`Now listening on port ${config.port} on ${config.url}`, null, true);
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if (!envOption.noDaemons) {
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import('../daemons/server-stats.js').then(x => x.serverStats());
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import('../daemons/queue-stats.js').then(x => x.queueStats());
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}
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}
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function showEnvironment(): void {
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const env = process.env.NODE_ENV;
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const logger = bootLogger.createSubLogger('env');
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logger.info(typeof env === 'undefined' ? 'NODE_ENV is not set' : `NODE_ENV: ${env}`);
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if (env !== 'production') {
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logger.warn('The environment is not in production mode.');
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logger.warn('DO NOT USE FOR PRODUCTION PURPOSE!', {}, true);
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}
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}
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function showNodejsVersion(): void {
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const nodejsLogger = bootLogger.createSubLogger('nodejs');
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nodejsLogger.info(`Version ${process.version} detected.`);
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const minVersion = fs.readFileSync(`${_dirname}/../../../../.node-version`, 'utf-8').trim();
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if (semver.lt(process.version, minVersion)) {
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nodejsLogger.error(`At least Node.js ${minVersion} required!`);
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process.exit(1);
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}
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}
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function loadConfigBoot(): Config {
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const configLogger = bootLogger.createSubLogger('config');
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let config;
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try {
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config = loadConfig();
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} catch (exception) {
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const e = exception as Partial<NodeJS.ErrnoException> | Error;
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if ('code' in e && e.code === 'ENOENT') {
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configLogger.error('Configuration file not found', {}, true);
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process.exit(1);
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} else if (e instanceof Error) {
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configLogger.error(e.message);
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process.exit(1);
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}
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throw exception;
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}
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configLogger.succ('Loaded');
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return config;
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}
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async function connectDb(): Promise<void> {
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const dbLogger = bootLogger.createSubLogger('db');
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// Try to connect to DB
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try {
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dbLogger.info('Connecting...');
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await initDb();
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const v = await db.query('SHOW server_version').then(x => x[0].server_version);
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dbLogger.succ(`Connected: v${v}`);
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} catch (e) {
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dbLogger.error('Cannot connect', {}, true);
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dbLogger.error(e as Error | string);
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process.exit(1);
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}
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}
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async function spawnWorkers(clusterLimits: Required<Config['clusterLimits']>): Promise<void> {
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const modes = ['web', 'queue'];
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const cpus = os.cpus().length;
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for (const mode of modes.filter(mode => clusterLimits[mode] > cpus)) {
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bootLogger.warn(`configuration warning: cluster limit for ${mode} exceeds number of cores (${cpus})`);
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}
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const total = modes.reduce((acc, mode) => acc + clusterLimits[mode], 0);
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const workers = new Array(total);
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workers.fill('web', 0, clusterLimits.web);
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workers.fill('queue', clusterLimits.web);
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bootLogger.info(`Starting ${total} workers...`);
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await Promise.all(workers.map(mode => spawnWorker(mode)));
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bootLogger.succ(`All workers started`);
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}
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function spawnWorker(mode: 'web' | 'queue'): Promise<void> {
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return new Promise(res => {
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const worker = cluster.fork({ mode });
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worker.on('message', message => {
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if (message === 'listenFailed') {
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bootLogger.error('The server Listen failed due to the previous error.');
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process.exit(1);
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}
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if (message !== 'ready') return;
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res();
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});
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});
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}
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