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refactor init (#7464)

This commit is contained in:
marihachi 2021-04-24 22:55:18 +09:00 committed by GitHub
parent 4e5e542fb0
commit 112c68cd0c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 36 additions and 35 deletions
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71
src/boot/master.ts
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@ -45,26 +45,15 @@ function greet() {
export async function masterMain() {
let config!: Config;
// initialize app
try {
greet();
// initialize app
config = await init();
if (config.port == null || Number.isNaN(config.port)) {
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);
}
showEnvironment();
await showMachineInfo(bootLogger);
showNodejsVersion();
config = loadConfigBoot();
await connectDb();
await validatePort(config);
} catch (e) {
bootLogger.error('Fatal error occurred during initialization', null, true);
process.exit(1);
@ -89,14 +78,6 @@ const runningNodejsVersion = process.version.slice(1).split('.').map(x => parseI
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');
@ -110,14 +91,7 @@ function showEnvironment(): void {
logger.info(`You ${isRoot() ? '' : 'do not '}have root privileges`);
}
/**
* Init app
*/
async function init(): Promise<Config> {
showEnvironment();
await showMachineInfo(bootLogger);
function showNodejsVersion(): void {
const nodejsLogger = bootLogger.createSubLogger('nodejs');
nodejsLogger.info(`Version ${runningNodejsVersion.join('.')}`);
@ -126,7 +100,9 @@ async function init(): Promise<Config> {
nodejsLogger.error(`Node.js version is less than ${requiredNodejsVersion.join('.')}. Please upgrade it.`, null, true);
process.exit(1);
}
}
function loadConfigBoot(): Config {
const configLogger = bootLogger.createSubLogger('config');
let config;
@ -146,6 +122,10 @@ async function init(): Promise<Config> {
configLogger.succ('Loaded');
return config;
}
async function connectDb(): Promise<void> {
const dbLogger = bootLogger.createSubLogger('db');
// Try to connect to DB
@ -159,8 +139,29 @@ async function init(): Promise<Config> {
dbLogger.error(e);
process.exit(1);
}
}
return config;
async function validatePort(config: Config): Promise<void> {
const isWellKnownPort = (port: number) => port < 1024;
async function isPortAvailable(port: number): Promise<boolean> {
return await portscanner.checkPortStatus(port, '127.0.0.1') === 'closed';
}
if (config.port == null || Number.isNaN(config.port)) {
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);
}
}
async function spawnWorkers(limit: number = 1) {