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|
/**
* Misskey Core Entory Point!
*/
Error.stackTraceLimit = Infinity;
/**
* Module dependencies
*/
import * as fs from 'fs';
import * as os from 'os';
import * as cluster from 'cluster';
const prominence = require('prominence');
import { log } from './utils/logger';
import * as chalk from 'chalk';
const git = require('git-last-commit');
const portUsed = require('tcp-port-used');
import ProgressBar from './utils/cli/progressbar';
import initdb from './db/mongodb';
import checkDependencies from './utils/check-dependencies';
// Init babel
require('babel-core/register');
require('babel-polyfill');
const env = process.env.NODE_ENV;
const IS_PRODUCTION = env === 'production';
const IS_DEBUG = !IS_PRODUCTION;
global.config = require('./config').default(`${__dirname}/../.config/config.yml`);
/**
* Initialize state
*/
enum State {
success,
warn,
failed
}
// Set process title
process.title = 'Misskey';
// Start app
main();
/**
* Init proccess
*/
function main(): void {
// Master
if (cluster.isMaster) {
master();
} else { // Workers
worker();
}
}
/**
* Init master proccess
*/
async function master(): Promise<void> {
let state: State;
try {
// initialize app
state = await init();
} catch (e) {
console.error(e);
process.exit(1);
}
switch (state) {
case State.failed:
log('Error', chalk.red('Fatal error occurred :('));
process.exit();
return;
case State.warn:
log('Warn', chalk.yellow('Some problem(s) :|'));
break;
case State.success:
log('Info', chalk.green('OK :)'));
break;
}
// Spawn workers
spawn(() => {
console.log(chalk.bold.green(`\nMisskey Core is now running. [port:${config.port}]`));
// Listen new workers
cluster.on('fork', worker => {
console.log(`Process forked: [${worker.id}]`);
});
// Listen online workers
cluster.on('online', worker => {
console.log(`Process is now online: [${worker.id}]`);
});
// Listen for dying workers
cluster.on('exit', worker => {
// Replace the dead worker,
// we're not sentimental
console.log(chalk.red(`[${worker.id}] died :(`));
cluster.fork();
});
});
}
/**
* Init worker proccess
*/
function worker(): void {
// Register config
global.config = config;
// Init mongo
initdb().then(db => {
global.db = db;
// start server
require('./server');
}, err => {
console.error(err);
process.exit(0);
});
}
/**
* Init app
*/
async function init(): Promise<State> {
log('Info', 'Welcome to Misskey!');
log('Info', chalk.bold('Misskey Core <aoi>'));
let warn = false;
// Get commit info
try {
const commit = await prominence(git).getLastCommit();
log('Info', `commit: ${commit.shortHash} ${commit.author.name} <${commit.author.email}>`);
log('Info', ` ${new Date(parseInt(commit.committedOn, 10) * 1000)}`);
} catch (e) {
// noop
}
log('Info', 'Initializing...');
if (IS_DEBUG) {
log('Warn', 'It is not in the Production mode. Do not use in the Production environment.');
}
log('Info', `environment: ${env}`);
// Get machine info
const totalmem = (os.totalmem() / 1024 / 1024 / 1024).toFixed(1);
const freemem = (os.freemem() / 1024 / 1024 / 1024).toFixed(1);
log('Info', `MACHINE: ${os.hostname()}`);
log('Info', `MACHINE: CPU: ${os.cpus().length}core`);
log('Info', `MACHINE: MEM: ${totalmem}GB (available: ${freemem}GB)`);
if (!fs.existsSync(`${__dirname}/../.config/config.yml`)) {
log('Error', 'Configuration not found');
return State.failed;
}
log('Info', 'Success to load configuration');
log('Info', `maintainer: ${config.maintainer}`);
checkDependencies();
// Check if a port is being used
if (await portUsed.check(config.port)) {
log('Error', `Port: ${config.port} is already used!`);
return State.failed;
}
// Try to connect to MongoDB
try {
const db = await initdb(config);
log('Info', 'Success to connect to MongoDB');
db.close();
} catch (e) {
log('Error', `MongoDB: ${e}`);
return State.failed;
}
return warn ? State.warn : State.success;
}
/**
* Spawn workers
*/
function spawn(callback: any): void {
// Count the machine's CPUs
const cpuCount = os.cpus().length;
const progress = new ProgressBar(cpuCount, 'Starting workers');
// Create a worker for each CPU
for (let i = 0; i < cpuCount; i++) {
const worker = cluster.fork();
worker.on('message', message => {
if (message === 'ready') {
progress.increment();
}
});
}
// On all workers started
progress.on('complete', () => {
callback();
});
}
// Dying away...
process.on('exit', () => {
log('Info', 'Bye.');
});
|
