iobroker.backitup/lib/scripts/94-umount.js

ioBroker.backitup allows you to backup and restore your ioBroker installation and other systems, such as databases, Zigbee, scripts and many more.

'use strict';
const fs = require('node:fs');

function command(options, log, callback) {
	if (!options.mount) {
		return callback && callback('NO mount path specified!');
	}
	if (options.mountType === 'CIFS' || options.mountType === 'NFS' || options.mountType === 'Expert') {
		const child_process = require('node:child_process');

		if (fs.existsSync(`${options.fileDir}/.mount`)) {
			child_process.exec(`mount | grep -o "${options.backupDir}"`, (error, stdout, stderr) => {
				if (stdout.includes(options.backupDir)) {
					log.debug('mount active, umount is started ...');
					setTimeout(function () {
						child_process.exec(`${options.sudo ? 'sudo umount' : 'umount'} ${options.backupDir}`, (error, stdout, stderr) => {
							if (error) {
								log.debug('device is busy... wait 2 Minutes!!');
								setTimeout(function () {
									child_process.exec(`${options.sudo ? 'sudo umount' : 'umount'} -l ${options.backupDir}`, (error, stdout, stderr) => {
										if (error) {
											options.context.errors.umount = error;
											log.error(stderr);
											callback && callback(error)
										} else {
											options.context.done.push('umount');
											log.debug('umount successfully completed');
											try {
												fs.existsSync(`${options.fileDir}/.mount`) && fs.unlinkSync(`${options.fileDir}/.mount`);
											} catch (e) {
												log.warn(`file ".mount" cannot deleted: ${e}`);
											}
											callback && callback(null, stdout);
										}
									});
								}, 120000);
							} else {
								options.context.done.push('umount');
								log.debug('umount successfully completed');
								try {
									fs.existsSync(`${options.fileDir}/.mount`) && fs.unlinkSync(`${options.fileDir}/.mount`);
								} catch (e) {
									log.warn(`file ".mount" cannot deleted: ${e}`);
								}
								callback && callback(null, stdout);
							}
						});
					}, 5000);
				} else {
					options.context.done.push('umount');
					log.debug('mount inactive, umount not started ...');
					try {
						fs.existsSync(`${options.fileDir}/.mount`) && fs.unlinkSync(`${options.fileDir}/.mount`);
					} catch (e) {
						log.warn(`file ".mount" cannot deleted: ${e}`);
					}
					callback && callback(null);
				}
			});
		}
	} else {
		callback && callback(null);
	}
}

module.exports = {
	command,
	ignoreErrors: true,
};