115 lines
2.6 KiB
TypeScript
115 lines
2.6 KiB
TypeScript
import { readFileSync, writeFileSync, statSync, copyFileSync } from 'fs'
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import { resolve } from 'path'
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import { homedir } from 'os'
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import yaml from 'js-yaml'
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import { flags } from './autorestic'
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import { Backend, Config } from './types'
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import { makeArrayIfIsNot, makeObjectKeysLowercase, rand } from './utils'
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export enum LocationFromPrefixes {
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Filesystem,
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DockerVolume
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}
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export const normalizeAndCheckBackends = (config: Config) => {
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config.backends = makeObjectKeysLowercase(config.backends)
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for (const [name, { type, path, key, ...rest }] of Object.entries(
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config.backends,
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)) {
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if (!type || !path)
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throw new Error(
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`The backend "${name}" is missing some required attributes`,
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)
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const tmp: any = {
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type,
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path,
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key: key || rand(128),
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}
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for (const [key, value] of Object.entries(rest))
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tmp[key.toUpperCase()] = value
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config.backends[name] = tmp as Backend
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}
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}
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export const normalizeAndCheckBackups = (config: Config) => {
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config.locations = makeObjectKeysLowercase(config.locations)
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const backends = Object.keys(config.backends)
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const checkDestination = (backend: string, backup: string) => {
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if (!backends.includes(backend))
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throw new Error(`Cannot find the backend "${backend}" for "${backup}"`)
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}
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for (const [name, { from, to, ...rest }] of Object.entries(
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config.locations,
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)) {
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if (!from || !to)
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throw new Error(
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`The backup "${name}" is missing some required attributes`,
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)
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for (const t of makeArrayIfIsNot(to))
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checkDestination(t, name)
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}
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}
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const findConfigFile = (): string | undefined => {
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const config = '.autorestic.yml'
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const paths = [
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resolve(flags.config || ''),
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resolve('./' + config),
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homedir() + '/' + config,
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]
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for (const path of paths) {
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try {
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const file = statSync(path)
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if (file.isFile()) return path
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} catch (e) {
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}
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}
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}
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export let CONFIG_FILE: string = ''
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export const init = (): Config | undefined => {
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const file = findConfigFile()
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if (file) CONFIG_FILE = file
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else return
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const raw: Config = makeObjectKeysLowercase(
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yaml.safeLoad(readFileSync(CONFIG_FILE).toString()),
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)
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const current = JSON.stringify(raw)
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normalizeAndCheckBackends(raw)
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normalizeAndCheckBackups(raw)
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const changed = JSON.stringify(raw) !== current
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if (changed) {
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const OLD_CONFIG_FILE = CONFIG_FILE + '.old'
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copyFileSync(CONFIG_FILE, OLD_CONFIG_FILE)
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writeFileSync(CONFIG_FILE, yaml.safeDump(raw))
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console.log(
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'\n' +
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'⚠️ MOVED OLD CONFIG FILE TO: ⚠️'.red.underline.bold +
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'\n' +
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OLD_CONFIG_FILE +
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'\n' +
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'What? Why? '.grey + 'https://git.io/Jv2D0'.underline.grey +
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'\n'
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)
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}
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return raw
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}
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