Files
xen-orchestra/@xen-orchestra/backups/RestoreMetadataBackup.mjs
2023-08-10 15:39:34 +02:00

33 lines
1.2 KiB
JavaScript

import { join, resolve } from 'node:path/posix'
import { DIR_XO_POOL_METADATA_BACKUPS } from './RemoteAdapter.mjs'
import { PATH_DB_DUMP } from './_runners/_PoolMetadataBackup.mjs'
export class RestoreMetadataBackup {
constructor({ backupId, handler, xapi }) {
this._backupId = backupId
this._handler = handler
this._xapi = xapi
}
async run() {
const backupId = this._backupId
const handler = this._handler
const xapi = this._xapi
if (backupId.split('/')[0] === DIR_XO_POOL_METADATA_BACKUPS) {
return xapi.putResource(await handler.createReadStream(`${backupId}/data`), PATH_DB_DUMP, {
task: xapi.task_create('Import pool metadata'),
})
} else {
const metadata = JSON.parse(await handler.readFile(join(backupId, 'metadata.json')))
const dataFileName = resolve(backupId, metadata.data ?? 'data.json')
const data = await handler.readFile(dataFileName)
// if data is JSON, sent it as a plain string, otherwise, consider the data as binary and encode it
const isJson = dataFileName.endsWith('.json')
return isJson ? data.toString() : { encoding: 'base64', data: data.toString('base64') }
}
}
}