source

src/config.ts

@@ -0,0 +1,58 @@
+import { readFileSync, writeFileSync } from 'fs'
+import yaml from 'js-yaml'
+import { CONFIG_FILE } from './autorestic'
+import { Backend, Config } from './types'
+import { makeObjectKeysLowercase, rand } from './utils'
+
+
+export const normalizeAndCheckBackends = (config: Config) => {
+	config.backends = makeObjectKeysLowercase(config.backends)
+
+	for (const [name, { type, path, key, ...rest }] of Object.entries(config.backends)) {
+
+		if (!type || !path) throw new Error(`The backend "${name}" is missing some required attributes`)
+
+		const tmp: any = {
+			type,
+			path,
+			key: key || rand(128),
+		}
+		for (const [key, value] of Object.entries(rest))
+			tmp[key.toUpperCase()] = value
+
+		config.backends[name] = tmp as Backend
+	}
+}
+
+
+export const normalizeAndCheckBackups = (config: Config) => {
+	config.locations = makeObjectKeysLowercase(config.locations)
+	const backends = Object.keys(config.backends)
+
+	const checkDestination = (backend: string, backup: string) => {
+		if (!backends.includes(backend))
+			throw new Error(`Cannot find the backend "${backend}" for "${backup}"`)
+	}
+
+	for (const [name, { from, to, ...rest }] of Object.entries(config.locations)) {
+		if (!from || !to) throw new Error(`The backup "${name}" is missing some required attributes`)
+
+		if (Array.isArray(to))
+			for (const t of to)
+				checkDestination(t, name)
+		else
+			checkDestination(to, name)
+	}
+}
+
+
+export const init = (): Config => {
+	const raw: Config = makeObjectKeysLowercase(yaml.safeLoad(readFileSync(CONFIG_FILE).toString()))
+
+	normalizeAndCheckBackends(raw)
+	normalizeAndCheckBackups(raw)
+
+	writeFileSync(CONFIG_FILE, yaml.safeDump(raw))
+
+	return raw
+}