111 lines
2.4 KiB
JavaScript
111 lines
2.4 KiB
JavaScript
"use strict";
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const cluster = require("cluster");
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const config = require("./config");
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const logger = require("./logger");
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const VERSION = require("../../package.json")["version"];
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let respawnTimestamp = 0;
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let tooManyCrashesTimestamp = 0;
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function restartWorker(worker, code, signal) {
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const msg = {
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message: "Worker died",
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pid: worker.process.pid
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};
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if (code != null) msg.exitCode = code;
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if (signal != null) msg.signal = signal;
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logger.error(msg);
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const now = Date.now();
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respawnTimestamp = Math.max(now, respawnTimestamp + 2000);
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if (respawnTimestamp === now) {
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tooManyCrashesTimestamp = now;
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cluster.fork();
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return;
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}
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if (now - tooManyCrashesTimestamp > 60000) {
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process.exitCode = 1;
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cluster.removeListener("exit", restartWorker);
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for (const pid in cluster.workers) cluster.workers[pid].kill();
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logger.error({
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message: "Too many crashes, exiting",
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pid: process.pid
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});
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return;
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}
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setTimeout(() => {
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if (process.exitCode) return;
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cluster.fork();
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}, respawnTimestamp - now);
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}
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function start() {
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logger.init(VERSION);
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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.on("listening", (worker, address) => {
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logger.info({
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message: "Worker listening",
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pid: worker.process.pid,
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address: address.address,
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port: address.port
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});
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});
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cluster.on("exit", restartWorker);
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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.removeListener("exit", restartWorker);
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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.removeListener("exit", restartWorker);
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for (const pid in cluster.workers) cluster.workers[pid].kill();
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});
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cluster.setupMaster({ exec: "./server" });
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let workerCount = config.server.workers;
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if (!workerCount) workerCount = Math.max(2, require("os").cpus().length);
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for (let i = 0; i < workerCount; ++i) cluster.fork();
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}
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process.on("uncaughtException", err => {
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logger.error({
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message: "Uncaught exception in master process, exiting",
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exception: err,
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pid: process.pid
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});
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process.exitCode = 1;
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cluster.removeListener("exit", restartWorker);
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for (const pid in cluster.workers) cluster.workers[pid].kill();
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});
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// Starting GenieACS UI
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start();
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