Zaid Humaimidi
a54b2c8cd6
Because in Nodejs 12-14 unhandled rejections don't trigger uncaughtException event by default so the process doesn't exit in case of errors.
125 lines
3.3 KiB
TypeScript
Executable File
125 lines
3.3 KiB
TypeScript
Executable File
/**
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* Copyright 2013-2019 GenieACS Inc.
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*
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* This file is part of GenieACS.
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*
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* GenieACS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* GenieACS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
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*/
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import * as config from "../lib/config";
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import * as logger from "../lib/logger";
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import * as cluster from "../lib/cluster";
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import * as server from "../lib/server";
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import { listener } from "../lib/ui";
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import * as extensions from "../lib/extensions";
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import * as db from "../lib/db";
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import { version as VERSION } from "../package.json";
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logger.init("ui", VERSION);
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const SERVICE_ADDRESS = config.get("UI_INTERFACE") as string;
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const SERVICE_PORT = config.get("UI_PORT") as number;
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function exitWorkerGracefully(): void {
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setTimeout(exitWorkerUngracefully, 5000).unref();
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Promise.all([
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db.disconnect(),
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extensions.killAll(),
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cluster.worker.disconnect(),
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]).catch(exitWorkerUngracefully);
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}
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function exitWorkerUngracefully(): void {
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extensions.killAll().finally(() => {
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process.exit(1);
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});
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}
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if (!cluster.worker) {
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const WORKER_COUNT = config.get("UI_WORKER_PROCESSES") as number;
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logger.info({
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message: `genieacs-ui starting`,
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pid: process.pid,
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version: VERSION,
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});
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cluster.start(WORKER_COUNT, SERVICE_PORT, SERVICE_ADDRESS);
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process.on("SIGINT", () => {
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logger.info({
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message: "Received signal SIGINT, exiting",
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pid: process.pid,
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});
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cluster.stop();
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});
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process.on("SIGTERM", () => {
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logger.info({
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message: "Received signal SIGTERM, exiting",
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pid: process.pid,
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});
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cluster.stop();
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});
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} else {
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const key = config.get("UI_SSL_KEY") as string;
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const cert = config.get("UI_SSL_CERT") as string;
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const options = {
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port: SERVICE_PORT,
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host: SERVICE_ADDRESS,
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ssl: key && cert ? { key, cert } : null,
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timeout: 30000,
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};
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// Need this for Node < 15
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process.on("unhandledRejection", (err) => {
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throw err;
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});
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process.on("uncaughtException", (err) => {
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if ((err as NodeJS.ErrnoException).code === "ERR_IPC_DISCONNECTED") return;
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logger.error({
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message: "Uncaught exception",
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exception: err,
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pid: process.pid,
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});
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server.stop().then(exitWorkerGracefully).catch(exitWorkerUngracefully);
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});
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const initPromise = db
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.connect()
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.then(() => {
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server.start(options, async (req, res) => listener(req, res));
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})
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.catch((err) => {
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setTimeout(() => {
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throw err;
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});
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});
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process.on("SIGINT", () => {
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initPromise.finally(() => {
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server.stop().then(exitWorkerGracefully).catch(exitWorkerUngracefully);
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});
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});
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process.on("SIGTERM", () => {
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initPromise.finally(() => {
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server.stop().then(exitWorkerGracefully).catch(exitWorkerUngracefully);
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});
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});
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}
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