Mobiletto

Mobiletto jẹ Layer abstraction ibi ipamọ JavaScript, pẹlu iyan fifi ẹnọ kọ nkan-ẹgbẹ alabara.

Awọn akoonu

[Kí nìdí Mobiletto?](#Kí nìdí-Mobiletto?)
Ibẹrẹ kiakia
Mobiletto CLI
Orisun
[Fifi sori ẹrọ](#Fifi sori ẹrọ)
Atilẹyin ati Ifowopamọ
Lilo ipilẹ
Metadata
[Ara agbewọle agbewọle miiran](#Aṣa miiran-import-ara)
Caching
Mirror
Ìsekóòdù ti o han gbangba
Kọtini yiyi
[Oluwakọ ni wiwo](#Oluwakọ-ni wiwo)
[Wọle](#Igi wọle)

Ka eyi ni ede miiran

Iwe README.md yii ti ni itumọ, nipasẹ hokeylization, sinu gbogbo ede ni atilẹyin nipasẹ Google Tumọ!

Mo ni idaniloju pe ko pe, ṣugbọn Mo nireti pe o dara ju ohunkohun lọ!

🇸🇦 Larubawa 🇧🇩 Ede Bengali 🇩🇪 Jẹmánì 🇺🇸 English 🇪🇸 Spani 🇫🇷 Faranse 🇹🇩 Hausa 🇮🇳 Hindi 🇮🇩 Indonesian 🇮🇹 Itali 🇯🇵 Japanese 🇰🇷 Korean 🇮🇳 Marathi 🇵🇱 Polish 🇧🇷 Portuguese 🇷🇺 Russian 🇰🇪 Swahili 🇵🇭 Tagalog 🇹🇷 Tọki 🇵🇰 Urdu 🇻🇳 Vietnamese 🇨🇳 Kannada

📚 ... Gbogbo Ede ...

Njẹ iṣoro kan wa pẹlu itumọ README yii?

Itumọ ni pato ti atilẹba README le jẹ abawọn - * awọn atunṣe ṣe itẹwọgba pupọ!* Jọwọ fi ibeere kan ranṣẹ si GitHub (https://github.com/cobbzilla/mobiletto/pulls), tabi ti o ko ba ni itunu lati ṣe iyẹn, ṣii ọrọ kan

Nigbati o ba ṣẹda ọrọ GitHub tuntun nipa itumọ kan, jọwọ ṣe:

pẹlu URL oju-iwe naa (daakọ/lẹẹmọ lati ọpa adirẹsi aṣawakiri)
pẹlu ọrọ gangan ti o jẹ aṣiṣe (daakọ/lẹẹmọ lati ẹrọ aṣawakiri)
Jọwọ ṣapejuwe ohun ti ko tọ -- ṣe itumọ naa ko tọ? ti wa ni awọn kika baje bakan?
Fi inurere funni ni imọran itumọ ti o dara julọ, tabi bi o ṣe yẹ ki ọrọ naa ṣe tito daradara
E dupe!

Kí nìdí Mobiletto?

Titiipa olutaja o dabọ!

Awọn oriṣiriṣi awọn olupese ibi ipamọ awọsanma ni awọn API ti ko ni ibamu. Paapaa awọn ti o tiraka fun “ibamu S3” ni awọn iwa idiosyncratic.

Nigbati o ba yan olutaja ibi ipamọ kan pato fun app rẹ, ti o ba koodu taara si API wọn, app rẹ ni bayi ti o gbẹkẹle iṣẹ yẹn. Bi akoko ti n lọ ati pe koodu kojọpọ, awọn olutaja iyipada di increasingly untenable. Kaabọ si agbaye igbadun ti titiipa ataja!

Mobiletto jẹ apẹrẹ lati yanju iṣoro yii. Nipa ifaminsi app rẹ si API mobiletto, o le ni irọrun yi awọn olupese ibi ipamọ pada ki o mọ pe Layer ibi ipamọ ohun elo rẹ yoo huwa bakanna.

Ayẹwo nla

Gbogbo awọn awakọ ni idanwo fun ihuwasi kanna pẹlu awọn idanwo 60+ fun awakọ kọọkan. A ṣe idanwo gbogbo awakọ pẹlu gbogbo akojọpọ:

Ìsekóòdù: mejeeji ṣiṣẹ ati alaabo
Kaṣe Redis: mejeeji ṣiṣẹ ati alaabo

Ọna yii fun wa ni alaafia-ọkan pe mobiletto yoo huwa kanna laibikita iru awakọ ti o lo, ati laibikita boya o jeki caching ati/tabi ìsekóòdù.

Awakọ support

Awọn awakọ ibi ipamọ Mobiletto lọwọlọwọ:

s3 : Amazon S3
b2 : Backblaze B2
local : eto faili agbegbe
Awọn ifunni lati ṣe atilẹyin awọn olupese ibi ipamọ awọsanma diẹ sii jẹ itẹwọgba!

mobiletto-cli

Mobiletto ti pinnu lati ṣee lo bi ile-ikawe nipasẹ koodu JavaScript miiran.

Lati ṣiṣẹ pẹlu mobiletto ni laini aṣẹ, lo mobiletto-cli

Orisun

mobiletto lori GitHub
mobiletto lori npm

Atilẹyin ati igbeowosile

Mo ngbiyanju lati jẹ oludasilẹ sọfitiwia orisun ṣiṣi ọjọgbọn. Mo ti ṣiṣẹ ninu ile-iṣẹ sọfitiwia fun ọpọlọpọ ọdun, Mo ti bẹrẹ awọn ile-iṣẹ aṣeyọri ati ta wọn si awọn ile-iṣẹ gbangba. Laipẹ Mo padanu iṣẹ mi, ati pe Emi ko ni iṣẹ miiran ti o laini gaan

Nitorinaa Emi yoo gbiyanju kikọ sọfitiwia iranlọwọ ati rii boya iyẹn ṣiṣẹ

Ti o ba gbadun lilo sọfitiwia yii, Emi yoo dupe pupọ fun paapaa awọn ti o kere julọ ilowosi oṣooṣu nipasẹ Patreon

E dupe!

Fifi sori ẹrọ

Fi sori ẹrọ ni lilo npm tabi yarn . O ṣee ṣe ki o fẹ ẹya lite ti ko pẹlu gbogbo wọn Awọn faili README ti a tumọ:

npm install mobiletto-lite
yarn add mobiletto-lite

Ti o ba fẹ gaan awọn faili README ni gbogbo ede, fi ẹya kikun sii:

npm install mobiletto
yarn add mobiletto

Ibẹrẹ kiakia

Apeere kukuru nipa lilo awakọ mobiletto s3 .

Koodu yii yoo ṣiṣẹ kanna ti awakọ ba jẹ b2 tabi local .

const storage = require('mobiletto')
const bucket = await storage.connect('s3', aws_key, aws_secret, {bucket: 'bk'})

// list objects: returns array of metadata objects
const listing = await bucket.list()
const dirList = await bucket.list('some/dir/')
const everything = await bucket.list('', {recursive: true})

// write an entire file
let bytesWritten = await bucket.writeFile('some/path', someBufferOfData)

// write a file from a stream/generator
bytesWritten = await bucket.write('some/path', streamOrGenerator)

// read an entire file
// returns null if an exception would otherwise be thrown
const bufferOrNull = await bucket.safeReadFile('some/path')

// stream-read a file, passing data to callback
const bytesRead = await bucket.read('some/path', (chunk) => { ...do something with chunk... } )

// remove a file, returns the path removed
let removed = await bucket.remove('some/path') // removed is a string

// remove a directory, returns array of paths removed
removed = await bucket.remove('some/directory', {recursive: true}) // removed is now an array!

Ipilẹ lilo

Apeere lọpọlọpọ diẹ sii, ti n ṣafihan pupọ julọ awọn ẹya ti a funni:

const { mobiletto } = require('mobiletto')

// General usage
const api = await mobiletto(driverName, key, secret, opts)

// To use 'local' driver:
// * key: base directory
// * secret: ignored, can be null
// * opts object:
// * readOnly: optional, never change anything on the filesystem; default is false
// * fileMode: optional, permissions used when creating new files, default is 0600. can be string or integer
// * dirMode: optional, permissions used when creating new directories, default is 0700. can be string or integer
const local = await mobiletto('local', '/home/ubuntu/tmp', null, {fileMode: 0o0600, dirMode: '0700'})

// To use 's3' driver:
// * key: AWS Access Key ID
// * secret: AWS Secret Key
// * opts object:
// * readOnly: optional, never change anything on the bucket; default is false
// * bucket: required, name of the S3 bucket
// * region: optional, the AWS region to communicate with, default is us-east-1
// * prefix: optional, all read/writes within the S3 bucket will be under this prefix
// * delimiter: optional, directory delimiter, default is '/' (note: always '/' when encryption is enabled)
const s3 = await mobiletto('s3', aws_key, aws_secret, {bucket: 'bk', region: 'us-east-1'})

// To use 'b2' driver:
// * key: Backblaze Key ID
// * secret: Backblaze Application Key
// * opts object:
// * readOnly: optional, never change anything on the bucket; default is false
// * bucket: required, the ID (**not the name**) of the B2 bucket
// * prefix: optional, all read/writes within the B2 bucket will be under this prefix
// * delimiter: optional, directory delimiter, default is '/' (note: always '/' when encryption is enabled)
// * partSize: optional, large files will be split into chunks of this size when uploading
const b3 = await mobiletto('b2', b2_key_id, b2_app_key, {bucket: 'bk', partSize: 10000000})

// List files
api.list() // --> returns an array of metadata objects

// List files recursively
api.list({ recursive: true })

// List files in a directory
const path = 'some/path'
api.list(path)
api.list(path, { recursive: true }) // also supports recursive flag

// Visit files in a directory -- visitor function must be async
api.list(path, { visitor: myAsyncFunc })
api.list(path, { visitor: myAsyncFunc, recursive: true })

// The `list` method throws MobilettoNotFoundError if the path does not exist
// When you call `safeList` on a non-existent path, it returns an empty array
api.safeList('/path/that/does/not/exist') // returns []

// Read metadata for a file
api.metadata(path) // returns metadata object

// The `metadata` method throws MobilettoNotFoundError if the path does not exist
// When you call `safeMetadata` on a non-existent path, it returns null
api.safeMetadata('/tmp/does_not_exist') // returns null

// Read a file
// Provide a callback that writes the data someplace
const callback = (chunk) => { ... write chunk somewhere ... }
api.read(path, callback) // returns count of bytes read

// Read an entire file at once
const data = await api.readFile(path) // returns a byte Buffer of the file contents

// Read an entire file at once
// returns null if an exception would otherwise be thrown
const bufferOrNull = await bucket.safeReadFile('some/path')

// Write a file
// Provide a generator function that yields chunks of data
const generator = function* () {
  while ( ... more-data-to-return ... ) {
    data = ... load-data ...
    yield data
  }
}
local.api(path, generator) // returns count of bytes written

// Write an entire file at once (convenience method)
await api.writeFile(path, bufferOrString) // returns count of bytes written

// Delete a file
// Quiet param is optional (default false), when set errors will not be thrown if the path does not exist
// Always returns a value or throws an error.
// Return value may be a single string of the file removed, or an array of all files removed (driver-dependent)
const quiet = true
api.remove(path, {quiet}) // returns single path removed

// Recursively delete a directory and do it quietly (do not report errors)
const recursive = true
const quiet = true
api.remove(path, {recursive, quiet}) // returns array of paths removed

Metadata

Aṣẹ metadata da metadata pada nipa titẹ sii eto faili kan ṣoṣo. Bakanna, iye ipadabọ lati pipaṣẹ list jẹ akojọpọ awọn nkan metadata.

Ohun metadata dabi eleyi:

{
  "name": "fully/qualified/path/to/file",
  "type": "entry-type",
  "size": size-in-bytes,
  "ctime": creation-time-epoch-millis,
  "mtime": modification-time-epoch-millis
}

Ohun-ini type le jẹ file , dir , link , tabi special .

Da lori iru awakọ, pipaṣẹ list le ma da gbogbo awọn aaye pada. Awọn ohun-ini name orukọ' ati type yẹ ki o wa nigbagbogbo. Aṣẹ metadata ti o tẹle yoo da gbogbo awọn ohun-ini to wa pada.

Aṣa agbewọle miiran

Ṣe agbewọle module ti o ni iwọn ni kikun ki o lo iṣẹ connect :

const storage = require('mobiletto')
const opts = {bucket: 'bk', region: 'us-east-1'}
const s3 = await storage.connect('s3', aws_key, aws_secret, opts)
const objectData = await s3.readFile('some/path')

Caching

Mobiletto ṣiṣẹ dara julọ pẹlu kaṣe redis .

Mobiletto yoo gbiyanju lati sopọ si a redis apeere on 127.0.0.1:6379

O le fagilee ọkan ninu awọn wọnyi:

Ṣeto MOBILETTO_REDIS_HOST env var, mobiletto so nibi dipo localhost
Ṣeto MOBILETTO_REDIS_PORT env var, ibudo yii yoo ṣee lo

Mobiletto yoo fi gbogbo awọn bọtini redis pamọ pẹlu ìpele _mobiletto__ . O le yi eyi pada nipa MOBILETTO_REDIS_PREFIX env var.

O tun le ṣeto caching fun-asopọ pẹlu ohun opts.redisConfig :

const redisConfig = {
    enabled: true, // optional, default is true. if false other props are ignored
    host: '127.0.0.1',
    port: 6379,
    prefix: '_mobiletto__'
}
const opts = { redisConfig, bucket: 'bk', region: 'us-east-1' }
const s3 = await storage.connect('s3', aws_key, aws_secret, opts)

Ṣe o ko fẹ caching redis?

Lati mu: kọja enabled: false ninu ohun opts.redisConfig rẹ nigbati o ba fi idi asopọ rẹ mulẹ.

Gẹgẹbi a ti jiroro ni isalẹ, piparẹ caching yoo ni ipa ti ko dara lori iṣẹ ṣiṣe ati fa awọn ibeere diẹ sii si ibi ipamọ ti o nilo gaan.

Caching itoni

** Ibi ipamọ ti paroko ***: kika / kikọ ibi ipamọ fifi ẹnọ kọ nkan jẹ o lọra diẹ ju deede, ṣugbọn lilọ kiri ni ayika awọn ilana (eyiti diẹ ninu awọn nkan ṣe) jẹ gbowolori gaan. Lilo kaṣe redis yoo fun ọ ni ilọsiwaju iṣẹ ṣiṣe pataki.

Kaṣe aiyipada jẹ ailewu, ṣugbọn ko ṣiṣẹ daradara ti o ba ni ọpọlọpọ kikọ / yọ awọn iṣẹ kuro. Eyikeyi iṣẹ kikọ tabi yọkuro sọ gbogbo kaṣe di asan, ni idaniloju awọn kika ti o tẹle yoo rii titun ayipada.

CLI irinṣẹ

Ti o ba n lo ohun elo CLI bii mobiletto-cli, dajudaju iwọ yoo fẹ ki kaṣe redis ṣiṣẹ, bi o ti wa kọja awọn ẹbẹ ti pipaṣẹ mo .

Mirroring

// Copy a local filesystem mobiletto to S3
s3.mirror(local)

// Mirror a local subdirectory from one mobiletto to an S3 mobiletto, with it's own subdirectory
local.mirror(s3, 'some/local-folder', 'some/s3-folder')

Aṣẹ mirror n ṣe ẹda ẹyọkan ti gbogbo awọn faili lati alagbeka si miiran. Ko ṣe ilana eyikeyi lati ṣetọju digi ni akoko pupọ. Ṣiṣe aṣẹ mirror lẹẹkansi lati muuṣiṣẹpọ eyikeyi awọn faili ti o padanu.

Iye ipadabọ lati mirror jẹ ohun ti o rọrun pẹlu awọn iṣiro fun iye awọn faili ti o ṣaṣeyọri digi ati melo ni awọn faili ti ni awọn aṣiṣe:

{
  success: count-of-files-mirrored,
  errors: count-of-files-with-errors
}

IKILO: Digiri awọn eto data nla le jẹ akoko-n gba ati bandiwidi-lekoko

Pẹlu awọn mirror o le jẹ airoju nigbakan lati ni oye tani oluka ati tani onkqwe. Fojuinu rẹ bi alaye iyansilẹ: “mobiletto ọwọ osi” jẹ ohun ti a yàn si (awọn data digi ti a kọ), ati "mobiletto ọwọ ọtun" (awọn ariyanjiyan si ọna mirror ) ni iye ti a yàn (awọn data digi ti wa ni kika).

Sihin ìsekóòdù

Mu fifi ẹnọ kọ nkan si ẹgbẹ onibara ṣiṣẹ:

// Pass encryption parameters
const encryption = {
  // key is required, must be >= 16 chars
  key: randomstring.generate(128),

  // optional, the default is to derive IV from key
  // when set, IV must be >= 16 chars
  iv: randomstring.generate(128),

  // optional, the default is aes-256-cbc
  algo: 'aes-256-cbc'
}
const api = await mobiletto(driverName, key, secret, opts, encryption)

// Subsequent write operations will encrypt data (client side) when writing
// Subsequent read operations will decrypt data (client side) when reading

Kilo n ṣẹlẹ? Itọkasi "titẹsi iwe-ilana" (itọkasi) itọsọna (ti paroko) tọpinpin kini awọn faili wa ninu iyẹn liana (aka awọn dirent liana).

Aṣẹ list ka awọn faili titẹ sii liana, decrypts kọọkan ọna ti a ṣe akojọ; lẹhinna da metadata pada fun faili kọọkan
Awọn pipaṣẹ list diẹ sii, pataki fun awọn ilana pẹlu nọmba nla ti awọn faili
Aṣẹ write kọ awọn faili ti o taara sinu itọsọna taara ti obi kọọkan, leralera; lẹhinna kọ faili naa Awọn aṣẹ write yoo fa O(N) kọ, pẹlu N = ijinle ninu awọn ilana ilana
Aṣẹ remove yọ faili dirant ti o baamu kuro, ati obi rẹ ti o ba ṣofo, leralera; lẹhinna yọ faili naa kuro
Awọn aṣẹ remove ṣe loorekoore yoo fa kika O(N) ati agbara bi ọpọlọpọ paarẹ, pẹlu N = ijinle ninu awọn ilana ilana
Awọn pipaṣẹ remove lori awọn ọna ṣiṣe faili nla ati jin le jẹ gbowolori

Ṣe akiyesi pe paapaa pẹlu fifi ẹnọ kọ nkan-ẹgbẹ alabara ṣiṣẹ, ọta kan pẹlu hihan ni kikun si ẹgbẹ olupin ti paroko rẹ ibi ipamọ, paapaa laisi bọtini, tun le rii nọmba lapapọ ti awọn ilana ati iye awọn faili ti o wa ninu ọkọọkan, ati pẹlu diẹ ninu awọn akitiyan , iwari diẹ ninu awọn tabi gbogbo awọn ti awọn ìwò be ti awọn logalomomoise liana.

Akiyesi: Lo eto alapin kan fun aabo to dara julọ. Ọta naa ko ni mọ awọn orukọ ti awọn ilana/faili ayafi ti wọn tun mọ fifi ẹnọ kọ nkan rẹ bọtini tabi bibẹẹkọ ti ṣaṣeyọri sisan fifi ẹnọ kọ nkan naa. Gbogbo awọn tẹtẹ wa ni pipa lẹhinna!

Performance ati caching

Awọn iṣẹ lori ibi ipamọ ti paroko le lọra. Awọn atokọ atunṣe ati awọn yiyọ kuro le lọra pupọ. Caching nipasẹ redis ṣe iranlọwọ lọpọlọpọ, ṣugbọn ṣe akiyesi pe kaṣe naa ti fọ lori eyikeyi kikọ tabi yọkuro.

Yiyi bọtini

Ṣẹda mobiletto pẹlu bọtini titun rẹ, lẹhinna digi data atijọ sinu rẹ:

const storage = require('mobiletto')

const oldEncryption = { key: .... }
const oldStorage = await storage.connect('s3', aws_key, aws_secret, {bucket: 'bk', region: 'us-east-1'}, oldEncryption)

const newEncryption = { key: .... }
const newStorage = await storage.connect('s3', aws_key, aws_secret, {bucket: 'zz', region: 'us-east-1'}, newEncryption)

newStorage.mirror(oldStorage) // if oldStorage is very large, this may take a looooooong time...

Iwakọ ni wiwo

Awakọ jẹ eyikeyi faili JS ti o ṣe okeere iṣẹ 'ipamọClient' pẹlu ibuwọlu yii:

function storageClient (key, secret, opts)

key : okun kan, bọtini API rẹ (fun awakọ local eyi ni itọsọna ipilẹ)
secret : okun kan, aṣiri API rẹ (le jẹ yọkuro fun awakọ local )
opts : ohun kan, awọn ohun-ini jẹ fun awakọ kan:
Fun local , awọn fileMode ati dirMode ini pinnu bi ṣiṣẹda titun awọn faili ati awọn ilana ti wa ni da
Fun s3 , ohun-ini bucket ni a nilo. Awọn ohun-ini iyan jẹ:
- region: the S3 region, default is us-east-1
- prefix: a prefix to prepend to all S3 paths, default is the empty string
- delimiter: the directory delimiter, default is '/'

Nkan ti ibi ipamọ iṣẹ Onibara pada gbọdọ ṣalaye awọn iṣẹ wọnyi:

// Test the driver before using, ensure proper configuration
async testConfig ()

// List files in path (or from base-directory)
// If recursive is true, list recursively
// If visitor is defined, it will be an async function. await the visitor function on each file found
// Otherwise, perform the listing and return an array of objects
async list (path, recursive = false, visitor = null) // path may be omitted

// Read metadata for a path
async metadata (path)

// Read a file
// callback receives a chunk of data. endCallback is called at end-of-stream
async read (path, callback, endCallback = null)

// Write a file
// driver must be able to handle a generator or a stream
async write (path, generatorOrReadableStream)

// Remove a file, or recursively delete a directory
// returns a string of a single path removed, or an array of multiple paths removed
async remove (path, recursive = false, quiet = false)

Wọle

Mobiletto nlo winston ile-ikawe gedu.

Awọn akọọlẹ ** yoo ni awọn ọna faili ati awọn ifiranṣẹ aṣiṣe, ṣugbọn kii yoo ni awọn bọtini, awọn aṣiri, tabi eyikeyi alaye iṣeto ni asopọ miiran.

Ipele Wọle

Lo iyipada ayika MOBILETTO_LOG_LEVEL lati ṣeto ipele akọọlẹ, ni lilo ọkan ti awọn ipele npm ti ṣalaye ni https://www.npmjs.com/package/winston#logging-levels

Ipele aiyipada jẹ error . Awọn julọ verbose ipele ni silly , biotilejepe Lọwọlọwọ mobiletto ko wọle ni awọn ipele ni isalẹ debug

MOBILETTO_LOG_LEVEL=silly # maximum logs!

Faili wọle

Nipa aiyipada, logger kọwe si console. Lati fi awọn akọọlẹ ranṣẹ si faili kan, ṣeto MOBILETTO_LOG_FILE oniyipada ayika. Nigbati o ba wọle si faili kan, awọn akọọlẹ kii yoo kọ si console mọ.

MOBILETTO_LOG_FILE=/var/my_mobiletto_log

Lati pa gedu:

MOBILETTO_LOG_FILE=/dev/null

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README.md

README.md

Mobiletto

Awọn akoonu

Ka eyi ni ede miiran

📚 ... Gbogbo Ede ...

Njẹ iṣoro kan wa pẹlu itumọ README yii?

Kí nìdí Mobiletto?

Titiipa olutaja o dabọ!

Ayẹwo nla

Awakọ support

mobiletto-cli

Orisun

Atilẹyin ati igbeowosile

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Fifi sori ẹrọ

Ibẹrẹ kiakia

Ipilẹ lilo

Metadata

Aṣa agbewọle miiran

Caching

Ṣe o ko fẹ caching redis?

Caching itoni

CLI irinṣẹ

Mirroring

Sihin ìsekóòdù

Performance ati caching

Yiyi bọtini

Iwakọ ni wiwo

Wọle

Ipele Wọle

Faili wọle