penguins-eggs
Version:
A remaster system tool, compatible with Arch, Debian, Devuan, Ubuntu and others
186 lines (185 loc) • 7.59 kB
JavaScript
/**
* ./src/classes/settings.ts
* penguins-eggs v.10.0.0 / ecmascript 2020
* author: Piero Proietti
* email: piero.proietti@gmail.com
* license: MIT
*/
import chalk from 'chalk';
import yaml from 'js-yaml';
// packages
import fs from 'node:fs';
import os from 'node:os';
import shx from 'shelljs';
// pjson
import { createRequire } from 'node:module';
const require = createRequire(import.meta.url);
const pjson = require('../../package.json');
import Distro from './distro.js';
import Pacman from './pacman.js';
// classes
import Utils from './utils.js';
const config_file = '/etc/penguins-eggs.d/eggs.yaml';
/**
* Setting
*/
export default class Settings {
app = {};
config = {};
distro = {};
// efi_work = ''
i686 = false;
incubator = {};
initrd_image = '';
initrdImg = '';
isLive = false;
iso_work = '';
isoFilename = '';
kernel_image = '';
remix = {};
session_excludes = '';
vmlinuz = '';
work_dir = {}; // resulting name of the iso
constructor(compression = '') {
this.config.compression = compression;
this.app.author = 'Piero Proietti';
this.app.homepage = 'https://github.com/pieroproietti/penguins-eggs';
this.app.mail = 'piero.proietti@gmail.com';
this.app.name = pjson.name;
this.app.version = pjson.version;
this.isLive = Utils.isLive();
this.i686 = Utils.isi686();
this.distro = new Distro();
}
/**
* Calculate and show free space on the disk
* @returns {void}
*/
async listFreeSpace() {
if (!fs.existsSync(this.config.snapshot_dir)) {
fs.mkdirSync(this.config.snapshot_dir);
if (!fs.existsSync(this.config.snapshot_mnt)) {
fs.mkdirSync(this.config.snapshot_mnt);
}
}
/** Lo spazio usato da SquashFS non è stimabile da live
* errore buffer troppo piccolo
*/
const gb = 1_048_576;
let spaceAvailable = 0;
if (!Utils.isLive()) {
console.log(`Disk space used: ${Math.round((Utils.getUsedSpace() / gb) * 10) / 10} GB`);
}
spaceAvailable = Number(shx
.exec(`df "${this.config.snapshot_mnt}" | /usr/bin/awk 'NR==2 {print $4}'`, {
silent: true
})
.stdout.trim());
console.log(`Space available: ${Math.round((spaceAvailable / gb) * 10) / 10} GB`);
console.log(`There are ${Utils.getSnapshotCount(this.config.snapshot_mnt)} snapshots taking ${Math.round((Utils.getSnapshotSize(this.config.snapshot_mnt) / gb) * 10) / 10} GB of disk space.`);
console.log();
if (spaceAvailable > gb * 3) {
console.log(chalk.cyanBright('The free space should be sufficient to hold the'));
console.log(chalk.cyanBright('compressed data from the system'));
}
else {
console.log(chalk.redBright('The free space should be insufficient') + '.');
console.log();
if (Utils.isMountpoint(this.config.snapshot_mnt)) {
console.log('If necessary, you can create more available space');
console.log('by removing previous snapshots and saved copies.');
}
else {
console.log(`You can mount a free partition under ${this.config.snapshot_mnt}`);
}
console.log();
}
}
/**
* Load configuration from config_file
* @returns {boolean} Success
*/
async load() {
const foundSettings = true;
if (!fs.existsSync(config_file)) {
console.log(`cannot find configuration file ${config_file},`);
console.log('please generate it with: sudo eggs config');
process.exit(1);
}
this.config = yaml.load(fs.readFileSync(config_file, 'utf8'));
this.session_excludes = '';
if (!this.config.snapshot_dir.endsWith('/')) {
this.config.snapshot_dir += '/';
}
this.work_dir.ovarium = this.config.snapshot_dir + 'ovarium/';
// hidden .mnt under nest
this.config.snapshot_mnt = this.config.snapshot_dir + '.mnt/';
if (!this.config.snapshot_mnt.endsWith('/')) {
this.config.snapshot_mnt += '/';
}
// hidden .overlay under nest was under ovarium
this.work_dir.lowerdir = this.config.snapshot_dir + '.overlay/lowerdir';
this.work_dir.upperdir = this.config.snapshot_dir + '.overlay/upperdir';
this.work_dir.workdir = this.config.snapshot_dir + '.overlay/workdir';
this.work_dir.merged = this.config.snapshot_mnt + 'filesystem.squashfs';
// this.efi_work = this.config.snapshot_mnt + 'efi-work/'
this.iso_work = this.config.snapshot_mnt + 'iso/';
// remember: before was hostname, not empty
if (this.config.snapshot_basename === '') {
this.config.snapshot_basename = os.hostname();
}
if (this.config.make_efi && !Pacman.isUefi() && Utils.uefiArch() === 'amd64') {
Utils.error('You choose to create an UEFI image, but miss to install grub-efi-amd64-bin package.');
Utils.error('Please install it before to create an UEFI image:');
Utils.warning('sudo apt install grub-efi-amd64-bin');
Utils.error('or edit /etc/penguins-eggs.d/eggs.yaml and set the valuer of make_efi = false');
this.config.make_efi = false;
}
this.kernel_image = this.config.vmlinuz;
this.initrd_image = this.config.initrd_img;
this.vmlinuz = this.kernel_image.slice(this.kernel_image.lastIndexOf('/'));
this.initrdImg = this.initrd_image.slice(this.initrd_image.lastIndexOf('/'));
/**
* Use the login name set in the config file. If not set, use the primary
* user's name. If the name is not "user" then add boot option. ALso use
* the same username for cleaning geany history.
*/
if ((this.config.user_opt === undefined || this.config.user_opt === '') && // this.user_opt = shx.exec('awk -F":" \'/1000:1000/ { print $1 }\' /etc/passwd', { silent: true }).stdout.trim()
this.config.user_opt === '') {
this.config.user_opt = 'live';
}
if (this.config.user_opt_passwd === '') {
this.config.user_opt_passwd = 'evolution';
}
if (this.config.root_passwd === '') {
this.config.root_passwd = 'evolution';
}
if (this.config.timezone === undefined || this.config.timezone === '') {
this.config.timezone = shx.exec('cat /etc/timezone', { silent: true }).stdout.trim();
}
return foundSettings;
}
/**
*
* @param basename
* @param theme
*/
async loadRemix(theme = '') {
this.remix.versionNumber = Utils.getPackageVersion();
this.remix.kernel = Utils.kernelVersion();
this.remix.branding = theme === '' ? 'eggs' : (this.remix.branding = theme.slice(Math.max(0, theme.lastIndexOf('/') + 1)));
this.remix.name = this.config.snapshot_basename;
let name = this.config.snapshot_prefix + this.config.snapshot_basename;
name = name.replaceAll('-', ' ').replaceAll('_', ' ').replace('egg of ', '');
this.remix.fullname = name;
this.remix.versionName = name.toUpperCase();
}
/**
*
* @param config
*/
async save(config) {
const ordered = Utils.sortObjectKeys(config);
fs.writeFileSync(config_file, yaml.dump(ordered), 'utf-8');
}
}