iobroker.backitup
Version:
Backitup enables the cyclic creation of backups of an IoBroker / Homematic installation
228 lines (207 loc) • 8.69 kB
JavaScript
;
const copyFile = require('../tools').copyFile;
const tools = require('../tools');
const child_process = require('child_process');
const path = require('path');
const fs = require('fs');
const backupDir = path.join(tools.getIobDir(), 'backups').replace(/\\/g, '/');
function list(options, types, log, callback) {
if (options.enabled && options.source === 'NAS / Copy') {
if (options.mountType === 'CIFS' || options.mountType === 'NFS') {
mount(options, log, error => {
error && log.error(error);
nasList(options, types, log, callback);
});
} else {
nasList(options, types, log, callback);
}
} else {
setImmediate(callback);
}
}
function nasList(options, types, log, callback) {
if (options.enabled && options.source === 'NAS / Copy') {
let dir = backupDir.replace(/\\/g, '/');
if (options.mountType === 'Copy') {
if (options.ownDir === true && options.bkpType === 'Minimal') {
dir = options.dirMinimal.replace(/\\/g, '/');
} else
if (options.ownDir === true && options.bkpType === 'Total') {
dir = options.dirTotal.replace(/\\/g, '/');
} else
if (options.ownDir === false) {
dir = options.dir.replace(/\\/g, '/');
}
if (dir[0] !== '/' && !dir.match(/\w:/)) {
dir = '/' + (dir || '');
}
} else {
if (dir[0] !== '/' && !dir.match(/\w:/)) {
dir = '/' + (dir || '');
}
}
const files = {};
if (fs.existsSync(dir)) {
let result = fs.readdirSync(dir).sort().map(file => path.join(dir, file).replace(/\\/g, '/'));
if (result && result.length) {
result = result.map(file => {
const stat = fs.statSync(file);
return {path: file, name: file.split('/').pop(), size: stat.size};
}).filter(file => types.indexOf(file.name.split('_')[0]) !== -1);
result.forEach(file => {
const type = file.name.split('_')[0];
files[type] = files[type] || [];
files[type].push(file);
});
}
}
callback && callback(null, files, 'nas / copy');
} else {
setImmediate(callback);
}
}
function copyFileCifs(options, fileName, toStoreName, log, callback) {
try {
log.debug('Get file ' + fileName);
if (options.mountType === 'Copy') {
copyFile(fileName, toStoreName, err => {
err && log.error(err);
callback(null);
});
}
if (options.mountType === 'CIFS' || options.mountType === 'NFS') {
callback(null);
}
} catch (e) {
log.error(e);
if (options.mountType === 'CIFS' || options.mountType === 'NFS') {
umount(options, log, error => callback(error));
} else {
callback(e);
}
}
}
function getFile(options, fileName, toStoreName, log, callback) {
if (options.enabled) {
if (options.mountType === 'CIFS' || options.mountType === 'NFS') {
callback(null);
} else {
copyFileCifs(options, fileName, toStoreName, log, callback);
}
} else {
setImmediate(callback, 'Not configured');
}
}
function mount(options, log, callback) {
let dir = options.dir;
if (options.ownDir === true && options.bkpType === 'Minimal') {
dir = options.dirMinimal;
} else
if (options.ownDir === true && options.bkpType === 'Total') {
dir = options.dirTotal;
}
let rootMount = 'mount';
if (options.sudo === 'true' || options.sudo === true) {
rootMount = 'sudo mount';
}
let rootUmount = 'umount';
if (options.sudo === 'true' || options.sudo === true) {
rootUmount = 'sudo umount';
}
if (fs.existsSync(options.fileDir + '/.mount')) {
child_process.exec(`mount | grep -o "${backupDir}"`, (error, stdout, stderr) => {
if(stdout.indexOf(backupDir) != -1) {
child_process.exec(`${rootUmount} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
log.debug('device is busy... wait 2 Minutes!!');
setTimeout(function() {
child_process.exec(`${rootUmount} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
log.error(stderr);
} else {
fs.existsSync(options.fileDir + '/.mount') && fs.unlinkSync(options.fileDir + '/.mount');
}
});
}, 120000);
} else {
fs.existsSync(options.fileDir + '/.mount') && fs.unlinkSync(options.fileDir + '/.mount');
}
});
}
});
}
if (options.mountType === 'CIFS') {
if (!options.mount.startsWith('//')) {
options.mount = '//' + options.mount;
}
if (!dir.startsWith('/')) {
dir = '/' + dir;
}
child_process.exec(`${rootMount} -t cifs -o ${options.user ? 'username=' + options.user + ',password=' + options.pass : ''},rw,file_mode=0777,dir_mode=0777,${options.smb} ${options.mount}${dir} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
child_process.exec(`${rootMount} -t cifs -o ${options.user ? 'username=' + options.user + ',password=' + options.pass : ''},rw,file_mode=0777,dir_mode=0777 ${options.mount}${dir} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
callback(error);
} else {
fs.writeFileSync(options.fileDir + '/.mount', options.mountType);
callback(null, stdout);
}
});
} else {
fs.writeFileSync(options.fileDir + '/.mount', options.mountType);
callback(null, stdout);
}
});
} else
if (options.mountType === 'NFS') {
if (!dir.startsWith('/')) {
dir = '/' + dir;
}
child_process.exec(`${rootMount} ${options.mount}:${dir} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
callback(error);
} else {
fs.writeFileSync(options.fileDir + '/.mount', options.mountType);
callback(null, stdout);
}
});
}
}
function umount(options, log, callback) {
if (!options.mount) {
return callback('NO mount path specified!');
}
let rootUmount = 'umount';
if (options.sudo === 'true' || options.sudo === true) {
rootUmount = 'sudo umount';
}
if (fs.existsSync(options.fileDir + '/.mount')) {
child_process.exec(`mount | grep -o "${backupDir}"`, (error, stdout, stderr) => {
if(stdout.indexOf(backupDir) != -1) {
child_process.exec(`${rootUmount} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
log.debug('device is busy... wait 2 Minutes!!');
setTimeout(function() {
child_process.exec(`${rootUmount} ${backupDir}`, (error, stdout, stderr) => {
if (error) {
log.error(stderr);
callback(error)
} else {
fs.existsSync(options.fileDir + '/.mount') && fs.unlinkSync(options.fileDir + '/.mount');
callback(null, stdout);
}
});
}, 120000);
} else {
fs.existsSync(options.fileDir + '/.mount') && fs.unlinkSync(options.fileDir + '/.mount');
callback(null, stdout);
}
});
}
});
}
}
module.exports = {
list,
getFile
};