Function autoExit

packages/core/src/pm2bootstrap.ts:96–142

* Exit current PM2 instance if 0 app is online

()

 * Exit current PM2 instance if 0 app is online
 */
async function autoExit() {
	const interval = 3000;
	const aliveInterval = interval * 1.5;

	let alive = false;

	while (true) {
		await timeout(interval);

		const aliveTimer = setTimeout(function () {
			if (!alive) {
				console.error('PM2 Daemon is dead');
				process.exit(1);
			}
		}, aliveInterval);

		try {
			const apps = await runningApps();

			clearTimeout(aliveTimer);
			alive = true;

			let appOnline = 0;

			apps.forEach(function (app) {
				if (
					app.pm2_env.status === cst.ONLINE_STATUS ||
					app.pm2_env.status === cst.LAUNCHING_STATUS
				) {
					appOnline++;
				}
			});

			console.log('check ' + appOnline);

			if (appOnline === 0) {
				console.log('0 application online, exiting');
				exitPM2();
			}
		} catch (err) {
			console.log('pm2.list got error');
			console.error(err);
			exitPM2();
			return;
		}
	}
}