mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-21 20:47:08 -05:00
Implement object-persistor support
This commit is contained in:
Simon Detheridge
parent
812c996c47
commit
6e04db552a
3 changed files with 187 additions and 300 deletions
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@ -1,295 +1,179 @@
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/* eslint-disable
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camelcase,
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handle-callback-err,
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no-useless-escape,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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/*
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* decaffeinate suggestions:
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* DS102: Remove unnecessary code created because of implicit returns
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* DS207: Consider shorter variations of null checks
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
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*/
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let DocArchive
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const { promisify, callbackify } = require('util')
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const MongoManager = require('./MongoManager')
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const Errors = require('./Errors')
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const logger = require('logger-sharelatex')
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const _ = require('underscore')
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const async = require('async')
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const settings = require('settings-sharelatex')
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const request = require('request')
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const crypto = require('crypto')
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const Streamifier = require('streamifier')
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const RangeManager = require('./RangeManager')
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const thirtySeconds = 30 * 1000
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const PersistorManager = require('./PersistorManager')
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const AsyncPool = require('tiny-async-pool')
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module.exports = DocArchive = {
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archiveAllDocs(project_id, callback) {
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if (callback == null) {
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callback = function (err, docs) {}
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const PARALLEL_JOBS = 5
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module.exports = {
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archiveAllDocs: callbackify(archiveAllDocs),
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archiveDoc: callbackify(archiveDoc),
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unArchiveAllDocs: callbackify(unArchiveAllDocs),
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unarchiveDoc: callbackify(unarchiveDoc),
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destroyAllDocs: callbackify(destroyAllDocs),
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destroyDoc: callbackify(destroyDoc),
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promises: {
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archiveAllDocs,
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archiveDoc,
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unArchiveAllDocs,
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unarchiveDoc,
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destroyAllDocs,
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destroyDoc
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}
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return MongoManager.getProjectsDocs(
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project_id,
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}
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async function archiveAllDocs(projectId) {
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const docs = await promisify(MongoManager.getProjectsDocs)(
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projectId,
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{ include_deleted: true },
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{ lines: true, ranges: true, rev: true, inS3: true },
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function (err, docs) {
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if (err != null) {
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return callback(err)
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} else if (docs == null) {
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return callback(
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new Errors.NotFoundError(`No docs for project ${project_id}`)
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{ lines: true, ranges: true, rev: true, inS3: true }
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)
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}
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docs = _.filter(docs, (doc) => doc.inS3 !== true)
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const jobs = _.map(docs, (doc) => (cb) =>
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DocArchive.archiveDoc(project_id, doc, cb)
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)
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return async.parallelLimit(jobs, 5, callback)
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}
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)
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},
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archiveDoc(project_id, doc, callback) {
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let options
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logger.log({ project_id, doc_id: doc._id }, 'sending doc to s3')
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try {
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options = DocArchive.buildS3Options(project_id + '/' + doc._id)
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} catch (e) {
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return callback(e)
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if (!docs) {
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throw new Errors.NotFoundError(`No docs for project ${projectId}`)
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}
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return DocArchive._mongoDocToS3Doc(doc, function (error, json_doc) {
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if (error != null) {
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return callback(error)
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}
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options.body = json_doc
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options.headers = { 'Content-Type': 'application/json' }
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return request.put(options, function (err, res) {
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if (err != null || res.statusCode !== 200) {
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logger.err(
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{
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err,
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res,
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project_id,
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doc_id: doc._id,
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statusCode: res != null ? res.statusCode : undefined
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},
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'something went wrong archiving doc in aws'
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)
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return callback(new Error('Error in S3 request'))
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}
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const md5lines = crypto
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.createHash('md5')
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.update(json_doc, 'utf8')
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.digest('hex')
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const md5response = res.headers.etag.toString().replace(/\"/g, '')
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if (md5lines !== md5response) {
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logger.err(
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{
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responseMD5: md5response,
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linesMD5: md5lines,
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project_id,
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doc_id: doc != null ? doc._id : undefined
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},
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'err in response md5 from s3'
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)
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return callback(new Error('Error in S3 md5 response'))
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}
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return MongoManager.markDocAsArchived(doc._id, doc.rev, function (err) {
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if (err != null) {
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return callback(err)
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}
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return callback()
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})
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})
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})
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},
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unArchiveAllDocs(project_id, callback) {
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if (callback == null) {
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callback = function (err) {}
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}
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return MongoManager.getArchivedProjectDocs(project_id, function (
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err,
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docs
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) {
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if (err != null) {
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logger.err({ err, project_id }, 'error unarchiving all docs')
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return callback(err)
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} else if (docs == null) {
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return callback(
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new Errors.NotFoundError(`No docs for project ${project_id}`)
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await AsyncPool(
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PARALLEL_JOBS,
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docs.filter((doc) => !doc.inS3),
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(doc) => archiveDoc(projectId, doc)
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)
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}
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const jobs = _.map(
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docs,
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(doc) =>
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function (cb) {
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if (doc.inS3 == null) {
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return cb()
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} else {
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return DocArchive.unarchiveDoc(project_id, doc._id, cb)
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}
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}
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)
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return async.parallelLimit(jobs, 5, callback)
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})
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},
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unarchiveDoc(project_id, doc_id, callback) {
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let options
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logger.log({ project_id, doc_id }, 'getting doc from s3')
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try {
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options = DocArchive.buildS3Options(project_id + '/' + doc_id)
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} catch (e) {
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return callback(e)
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}
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options.json = true
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return request.get(options, function (err, res, doc) {
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if (err != null || res.statusCode !== 200) {
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logger.err(
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{ err, res, project_id, doc_id },
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'something went wrong unarchiving doc from aws'
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async function archiveDoc(projectId, doc) {
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logger.log(
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{ project_id: projectId, doc_id: doc._id },
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'sending doc to persistor'
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)
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return callback(new Errors.NotFoundError('Error in S3 request'))
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}
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return DocArchive._s3DocToMongoDoc(doc, function (error, mongo_doc) {
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if (error != null) {
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return callback(error)
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}
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return MongoManager.upsertIntoDocCollection(
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project_id,
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doc_id.toString(),
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mongo_doc,
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function (err) {
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if (err != null) {
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return callback(err)
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}
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logger.log({ project_id, doc_id }, 'deleting doc from s3')
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return DocArchive._deleteDocFromS3(project_id, doc_id, callback)
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}
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)
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})
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})
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},
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const key = `${projectId}/${doc._id}`
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destroyAllDocs(project_id, callback) {
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if (callback == null) {
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callback = function (err) {}
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}
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return MongoManager.getProjectsDocs(
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project_id,
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{ include_deleted: true },
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{ _id: 1 },
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function (err, docs) {
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if (err != null) {
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logger.err({ err, project_id }, "error getting project's docs")
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return callback(err)
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} else if (docs == null) {
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return callback()
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}
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const jobs = _.map(docs, (doc) => (cb) =>
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DocArchive.destroyDoc(project_id, doc._id, cb)
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)
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return async.parallelLimit(jobs, 5, callback)
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}
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)
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},
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destroyDoc(project_id, doc_id, callback) {
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logger.log({ project_id, doc_id }, 'removing doc from mongo and s3')
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return MongoManager.findDoc(project_id, doc_id, { inS3: 1 }, function (
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error,
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doc
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) {
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if (error != null) {
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return callback(error)
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}
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if (doc == null) {
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return callback(new Errors.NotFoundError('Doc not found in Mongo'))
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}
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if (doc.inS3 === true) {
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return DocArchive._deleteDocFromS3(project_id, doc_id, function (err) {
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if (err != null) {
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return err
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}
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return MongoManager.destroyDoc(doc_id, callback)
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})
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} else {
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return MongoManager.destroyDoc(doc_id, callback)
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}
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})
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},
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_deleteDocFromS3(project_id, doc_id, callback) {
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let options
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try {
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options = DocArchive.buildS3Options(project_id + '/' + doc_id)
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} catch (e) {
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return callback(e)
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}
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options.json = true
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return request.del(options, function (err, res, body) {
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if (err != null || res.statusCode !== 204) {
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logger.err(
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{ err, res, project_id, doc_id },
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'something went wrong deleting doc from aws'
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)
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return callback(new Error('Error in S3 request'))
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}
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return callback()
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})
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},
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_s3DocToMongoDoc(doc, callback) {
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if (callback == null) {
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callback = function (error, mongo_doc) {}
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}
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const mongo_doc = {}
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if (doc.schema_v === 1 && doc.lines != null) {
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mongo_doc.lines = doc.lines
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if (doc.ranges != null) {
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mongo_doc.ranges = RangeManager.jsonRangesToMongo(doc.ranges)
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}
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} else if (doc instanceof Array) {
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mongo_doc.lines = doc
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} else {
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return callback(new Error("I don't understand the doc format in s3"))
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}
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return callback(null, mongo_doc)
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},
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_mongoDocToS3Doc(doc, callback) {
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if (callback == null) {
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callback = function (error, s3_doc) {}
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}
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if (doc.lines == null) {
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return callback(new Error('doc has no lines'))
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throw new Error('doc has no lines')
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}
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const json = JSON.stringify({
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lines: doc.lines,
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ranges: doc.ranges,
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schema_v: 1
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})
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if (json.indexOf('\u0000') !== -1) {
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const error = new Error('null bytes detected')
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logger.err({ err: error, doc, json }, error.message)
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return callback(error)
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}
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return callback(null, json)
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},
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buildS3Options(key) {
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if (settings.docstore.s3 == null) {
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throw new Error('S3 settings are not configured')
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// this should never happen, but protects against memory-corruption errors that
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// have happened in the past
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if (json.indexOf('\u0000') > -1) {
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const error = new Error('null bytes detected')
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logger.err({ err: error, doc }, error.message)
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throw error
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}
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return {
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aws: {
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key: settings.docstore.s3.key,
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secret: settings.docstore.s3.secret,
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bucket: settings.docstore.s3.bucket
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},
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timeout: thirtySeconds,
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uri: `https://${settings.docstore.s3.bucket}.s3.amazonaws.com/${key}`
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const md5 = crypto.createHash('md5').update(json).digest('hex')
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const stream = Streamifier.createReadStream(json)
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await PersistorManager.sendStream(settings.docstore.bucket, key, stream, {
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sourceMd5: md5
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})
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await promisify(MongoManager.markDocAsArchived)(doc._id, doc.rev)
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}
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async function unArchiveAllDocs(projectId) {
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const docs = await promisify(MongoManager.getArchivedProjectDocs)(projectId)
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if (!docs) {
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throw new Errors.NotFoundError(`No docs for project ${projectId}`)
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}
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await AsyncPool(PARALLEL_JOBS, docs, (doc) =>
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unarchiveDoc(projectId, doc._id)
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)
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}
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async function unarchiveDoc(projectId, docId) {
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logger.log(
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{ project_id: projectId, doc_id: docId },
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'getting doc from persistor'
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)
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const key = `${projectId}/${docId}`
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const sourceMd5 = await PersistorManager.getObjectMd5Hash(
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settings.docstore.bucket,
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key
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)
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const stream = await PersistorManager.getObjectStream(
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settings.docstore.bucket,
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key
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)
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stream.resume()
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const json = await _streamToString(stream)
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const md5 = crypto.createHash('md5').update(json).digest('hex')
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if (sourceMd5 !== md5) {
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throw new Errors.Md5MismatchError('md5 mismatch when downloading doc', {
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key,
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sourceMd5,
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md5
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})
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}
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const doc = JSON.parse(json)
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const mongoDoc = {}
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if (doc.schema_v === 1 && doc.lines != null) {
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mongoDoc.lines = doc.lines
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if (doc.ranges != null) {
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mongoDoc.ranges = RangeManager.jsonRangesToMongo(doc.ranges)
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}
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} else if (Array.isArray(doc)) {
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mongoDoc.lines = doc
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} else {
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throw new Error("I don't understand the doc format in s3")
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}
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await promisify(MongoManager.upsertIntoDocCollection)(
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projectId,
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docId,
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mongoDoc
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)
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await PersistorManager.deleteObject(settings.docstore.bucket, key)
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}
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async function destroyAllDocs(projectId) {
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const docs = await promisify(MongoManager.getProjectsDocs)(
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projectId,
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{ include_deleted: true },
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{ _id: 1 }
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)
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if (docs) {
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await AsyncPool(PARALLEL_JOBS, docs, (doc) =>
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destroyDoc(projectId, doc._id)
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)
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}
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}
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async function destroyDoc(projectId, docId) {
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logger.log(
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{ project_id: projectId, doc_id: docId },
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'removing doc from mongo and persistor'
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)
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const doc = await promisify(MongoManager.findDoc)(projectId, docId, {
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inS3: 1
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})
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if (!doc) {
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throw new Errors.NotFoundError('Doc not found in Mongo')
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}
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if (doc.inS3) {
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await PersistorManager.deleteObject(
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settings.docstore.bucket,
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`${projectId}/${docId}`
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)
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}
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await promisify(MongoManager.destroyDoc)(docId)
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}
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async function _streamToString(stream) {
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const chunks = []
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return new Promise((resolve, reject) => {
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stream.on('data', (chunk) => chunks.push(chunk))
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stream.on('error', reject)
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stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf8')))
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})
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}
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@ -1,16 +1,10 @@
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/* eslint-disable
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no-proto,
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no-unused-vars,
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*/
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// TODO: This file was created by bulk-decaffeinate.
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// Fix any style issues and re-enable lint.
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let Errors
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var NotFoundError = function (message) {
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const error = new Error(message)
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error.name = 'NotFoundError'
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error.__proto__ = NotFoundError.prototype
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return error
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}
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NotFoundError.prototype.__proto__ = Error.prototype
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// import Errors from object-persistor to pass instanceof checks
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const OError = require('@overleaf/o-error')
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const { Errors } = require('@overleaf/object-persistor')
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module.exports = Errors = { NotFoundError }
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class Md5MismatchError extends OError {}
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module.exports = {
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Md5MismatchError,
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...Errors
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}
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9
services/docstore/app/js/PersistorManager.js
Normal file
9
services/docstore/app/js/PersistorManager.js
Normal file
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@ -0,0 +1,9 @@
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const settings = require('settings-sharelatex')
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const persistorSettings = settings.docstore
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persistorSettings.Metrics = require('metrics-sharelatex')
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const ObjectPersistor = require('@overleaf/object-persistor')
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const persistor = ObjectPersistor(persistorSettings)
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module.exports = persistor
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