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xen-orchestra/@xen-orchestra/backups-cli/commands/info.mjs
2022-11-17 10:44:48 +01:00

54 lines
1.5 KiB
JavaScript

import { readdir2, readFile, getSize } from '../_fs.mjs'
import { asyncMap } from '@xen-orchestra/async-map'
import { createHash } from 'crypto'
import groupBy from 'lodash/groupBy.js'
import { dirname, resolve } from 'path'
const sha512 = str => createHash('sha512').update(str).digest('hex')
const sum = values => values.reduce((a, b) => a + b)
export default async function info(vmDirs) {
const jsonFiles = (
await asyncMap(vmDirs, async vmDir => (await readdir2(vmDir)).filter(_ => _.endsWith('.json')))
).flat()
const hashes = { __proto__: null }
const info = (
await asyncMap(jsonFiles, async jsonFile => {
try {
const jsonDir = dirname(jsonFile)
const json = await readFile(jsonFile)
const hash = sha512(json)
if (hash in hashes) {
console.log(jsonFile, 'duplicate of', hashes[hash])
return
}
hashes[hash] = jsonFile
const metadata = JSON.parse(json)
return {
jsonDir,
jsonFile,
metadata,
size:
json.length +
(await (metadata.mode === 'delta'
? asyncMap(Object.values(metadata.vhds), _ => getSize(resolve(jsonDir, _))).then(sum)
: getSize(resolve(jsonDir, metadata.xva)))),
}
} catch (error) {
console.error(jsonFile, error)
}
})
).filter(_ => _ !== undefined)
const byJobs = groupBy(info, 'metadata.jobId')
Object.keys(byJobs)
.sort()
.forEach(jobId => {
console.log(jobId, sum(byJobs[jobId].map(_ => _.size)))
})
}