Merge branch 'master' into logging/keep-logger-name

services/filestore/.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,7 @@
-<!-- Please review https://github.com/overleaf/write_latex/blob/master/.github/CONTRIBUTING.md for guidance on what is expected in each section. -->
+
+<!-- ** This is an Overleaf public repository ** -->
+
+<!-- Please review https://github.com/overleaf/overleaf/blob/master/CONTRIBUTING.md for guidance on what is expected of a contribution. -->
 
 ### Description
 

services/filestore/Jenkinsfile

@@ -4,10 +4,10 @@ pipeline {
   agent any
 
   environment {
-    GIT_PROJECT = "filestore-sharelatex"
+    GIT_PROJECT = "filestore"
     JENKINS_WORKFLOW = "filestore-sharelatex"
     TARGET_URL = "${env.JENKINS_URL}blue/organizations/jenkins/${JENKINS_WORKFLOW}/detail/$BRANCH_NAME/$BUILD_NUMBER/pipeline"
-    GIT_API_URL = "https://api.github.com/repos/sharelatex/${GIT_PROJECT}/statuses/$GIT_COMMIT"
+    GIT_API_URL = "https://api.github.com/repos/overleaf/${GIT_PROJECT}/statuses/$GIT_COMMIT"
   }
 
   triggers {

services/filestore/Makefile

@@ -1,7 +1,7 @@
 # This file was auto-generated, do not edit it directly.
 # Instead run bin/update_build_scripts from
 # https://github.com/sharelatex/sharelatex-dev-environment
-# Version: 1.1.12
+# Version: 1.1.24
 
 BUILD_NUMBER ?= local
 BRANCH_NAME ?= $(shell git rev-parse --abbrev-ref HEAD)
@@ -26,14 +26,16 @@ test: test_unit test_acceptance
 test_unit:
 	@[ ! -d test/unit ] && echo "filestore has no unit tests" || $(DOCKER_COMPOSE) run --rm test_unit
 
-test_acceptance: test_clean test_acceptance_pre_run # clear the database before each acceptance test run
+test_acceptance: test_clean test_acceptance_pre_run test_acceptance_run
+
+test_acceptance_run:
 	@[ ! -d test/acceptance ] && echo "filestore has no acceptance tests" || $(DOCKER_COMPOSE) run --rm test_acceptance
 
 test_clean:
 	$(DOCKER_COMPOSE) down -v -t 0
 
 test_acceptance_pre_run:
-	@[ ! -f test/acceptance/scripts/pre-run ] && echo "filestore has no pre acceptance tests task" || $(DOCKER_COMPOSE) run --rm test_acceptance test/acceptance/scripts/pre-run
+	@[ ! -f test/acceptance/js/scripts/pre-run ] && echo "filestore has no pre acceptance tests task" || $(DOCKER_COMPOSE) run --rm test_acceptance test/acceptance/js/scripts/pre-run
 build:
 	docker build --pull --tag ci/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) \
 		--tag gcr.io/overleaf-ops/$(PROJECT_NAME):$(BRANCH_NAME)-$(BUILD_NUMBER) \

services/filestore/README.md

@@ -1,11 +1,9 @@
-filestore-sharelatex
+overleaf/filestore
 ====================
 
 An API for CRUD operations on binary files stored in S3
 
-[![Build Status](https://travis-ci.org/sharelatex/filestore-sharelatex.png?branch=master)](https://travis-ci.org/sharelatex/filestore-sharelatex)
-
-filestore acts as a proxy between the CLSIs and (currently) Amazon S3 storage, presenting a RESTful HTTP interface to the CLSIs on port 3009 by default. Urls are mapped to node functions in https://github.com/sharelatex/filestore-sharelatex/blob/master/app.coffee . URLs are of the form:
+filestore acts as a proxy between the CLSIs and (currently) Amazon S3 storage, presenting a RESTful HTTP interface to the CLSIs on port 3009 by default. Urls are mapped to node functions in https://github.com/overleaf/filestore/blob/master/app.coffee . URLs are of the form:
 
 * `/project/:project_id/file/:file_id`
 * `/template/:template_id/v/:version/:format`
@@ -22,4 +20,4 @@ License
 
 The code in this repository is released under the GNU AFFERO GENERAL PUBLIC LICENSE, version 3. A copy can be found in the `LICENSE` file.
 
-Copyright (c) ShareLaTeX, 2014.
+Copyright (c) Overleaf, 2014-2019.

services/filestore/app.coffee

@@ -63,22 +63,23 @@ app.use (req, res, next) ->
 
 Metrics.injectMetricsRoute(app)
 
+app.head "/project/:project_id/file/:file_id", keyBuilder.userFileKey, fileController.getFileHead
 app.get  "/project/:project_id/file/:file_id", keyBuilder.userFileKey, fileController.getFile
 app.post "/project/:project_id/file/:file_id", keyBuilder.userFileKey, fileController.insertFile
+app.put  "/project/:project_id/file/:file_id", keyBuilder.userFileKey, bodyParser.json(), fileController.copyFile
+app.del  "/project/:project_id/file/:file_id", keyBuilder.userFileKey, fileController.deleteFile
 
-app.put "/project/:project_id/file/:file_id", keyBuilder.userFileKey, bodyParser.json(), fileController.copyFile
-app.del "/project/:project_id/file/:file_id", keyBuilder.userFileKey, fileController.deleteFile
-
+app.head "/template/:template_id/v/:version/:format", keyBuilder.templateFileKey, fileController.getFileHead
 app.get  "/template/:template_id/v/:version/:format", keyBuilder.templateFileKey, fileController.getFile
 app.get  "/template/:template_id/v/:version/:format/:sub_type", keyBuilder.templateFileKey, fileController.getFile
 app.post "/template/:template_id/v/:version/:format", keyBuilder.templateFileKey, fileController.insertFile
 
 
+app.head "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, fileController.getFileHead
 app.get  "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, fileController.getFile
 app.post "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, fileController.insertFile
-
-app.put "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, bodyParser.json(), fileController.copyFile
-app.del "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, fileController.deleteFile
+app.put  "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, bodyParser.json(), fileController.copyFile
+app.del  "/project/:project_id/public/:public_file_id", keyBuilder.publicFileKey, fileController.deleteFile
 
 app.get "/project/:project_id/size", keyBuilder.publicProjectKey, fileController.directorySize
 

services/filestore/app/coffee/AWSSDKPersistorManager.coffee

@@ -1,3 +1,8 @@
+# This  module is not used in production, which currently uses
+# S3PersistorManager.  The intention is to migrate S3PersistorManager to use the
+# latest aws-sdk and delete this module so that PersistorManager would load the
+# same backend for both the 's3' and 'aws-sdk' options.
+
 logger = require "logger-sharelatex"
 aws = require "aws-sdk"
 _ = require "underscore"

services/filestore/app/coffee/FSPersistorManager.coffee

@@ -1,5 +1,6 @@
 logger = require("logger-sharelatex")
 fs = require("fs")
+path = require("path")
 LocalFileWriter = require("./LocalFileWriter")
 Errors = require('./Errors')
 rimraf = require("rimraf")
@@ -35,28 +36,38 @@ module.exports =
       if err?
         logger.err  location:location, target:target, fsPath:fsPath, err:err, "something went wrong writing stream to disk"
         return callback err
-      @sendFile location, target, fsPath, (err) -> 
+      @sendFile location, target, fsPath, (err) ->
         # delete the temporary file created above and return the original error
         LocalFileWriter.deleteFile fsPath, () ->
           callback(err)
 
   # opts may be {start: Number, end: Number}
-  getFileStream: (location, name, opts, _callback = (err, res)->) ->
-    callback = _.once _callback
+  getFileStream: (location, name, opts, callback = (err, res)->) ->
     filteredName = filterName name
     logger.log location:location, filteredName:filteredName, "getting file"
-    sourceStream = fs.createReadStream "#{location}/#{filteredName}", opts
-    sourceStream.on 'error', (err) ->
-      logger.err err:err, location:location, filteredName:name, "Error reading from file"
-      if err.code == 'ENOENT'
-        return callback new Errors.NotFoundError(err.message), null
-      else
-        return callback err, null
-    sourceStream.on 'readable', () ->
-      # This can be called multiple times, but the callback wrapper
-      # ensures the callback is only called once
+    fs.open "#{location}/#{filteredName}", 'r', (err, fd) ->
+      if err?
+        logger.err err:err, location:location, filteredName:name, "Error reading from file"
+        if err.code == 'ENOENT'
+          return callback new Errors.NotFoundError(err.message), null
+        else
+          return callback err, null
+      opts.fd = fd
+      sourceStream = fs.createReadStream null, opts
       return callback null, sourceStream
 
+  getFileSize: (location, filename, callback) ->
+    fullPath = path.join(location, filterName(filename))
+    fs.stat fullPath, (err, stats) ->
+      if err?
+        if err.code == 'ENOENT'
+          logger.log({location:location, filename:filename}, "file not found")
+          callback(new Errors.NotFoundError(err.message))
+        else
+          logger.err({err:err, location:location, filename:filename}, "failed to stat file")
+          callback(err)
+        return
+      callback(null, stats.size)
 
   copyFile: (location, fromName, toName, callback = (err)->)->
     filteredFromName=filterName fromName

services/filestore/app/coffee/FileController.coffee

@@ -21,7 +21,7 @@ module.exports = FileController =
 			style: style,
 		}
 		metrics.inc "getFile"
-		logger.log key:key, bucket:bucket, format:format, style: style, "reciving request to get file"
+		logger.log key:key, bucket:bucket, format:format, style: style, "receiving request to get file"
 		if req.headers.range?
 			range = FileController._get_range(req.headers.range)
 			options.start = range.start
@@ -41,10 +41,24 @@ module.exports = FileController =
 				logger.log key:key, bucket:bucket, format:format, style:style, "sending file to response"
 				fileStream.pipe res
 
+	getFileHead: (req, res) ->
+		{key, bucket} = req
+		metrics.inc("getFileSize")
+		logger.log({ key: key, bucket: bucket }, "receiving request to get file metadata")
+		FileHandler.getFileSize bucket, key, (err, fileSize) ->
+			if err?
+				if err instanceof Errors.NotFoundError
+					res.status(404).end()
+				else
+					res.status(500).end()
+				return
+			res.set("Content-Length", fileSize)
+			res.status(200).end()
+
 	insertFile: (req, res)->
 		metrics.inc "insertFile"
 		{key, bucket} = req
-		logger.log key:key, bucket:bucket, "reciving request to insert file"
+		logger.log key:key, bucket:bucket, "receiving request to insert file"
 		FileHandler.insertFile bucket, key, req, (err)->
 			if err?
 				logger.log err: err, key: key, bucket: bucket, "error inserting file"
@@ -57,7 +71,7 @@ module.exports = FileController =
 		{key, bucket} = req
 		oldProject_id = req.body.source.project_id
 		oldFile_id = req.body.source.file_id
-		logger.log key:key, bucket:bucket, oldProject_id:oldProject_id, oldFile_id:oldFile_id, "reciving request to copy file"
+		logger.log key:key, bucket:bucket, oldProject_id:oldProject_id, oldFile_id:oldFile_id, "receiving request to copy file"
 		PersistorManager.copyFile bucket, "#{oldProject_id}/#{oldFile_id}", key, (err)->
 			if err?
 				if err instanceof Errors.NotFoundError
@@ -71,7 +85,7 @@ module.exports = FileController =
 	deleteFile: (req, res)->
 		metrics.inc "deleteFile"
 		{key, bucket} = req
-		logger.log key:key, bucket:bucket,  "reciving request to delete file"
+		logger.log key:key, bucket:bucket,  "receiving request to delete file"
 		FileHandler.deleteFile bucket, key, (err)->
 			if err?
 				logger.log err:err, key:key, bucket:bucket, "something went wrong deleting file"
@@ -90,7 +104,7 @@ module.exports = FileController =
 	directorySize: (req, res)->
 		metrics.inc "projectSize"
 		{project_id, bucket} = req
-		logger.log project_id:project_id, bucket:bucket, "reciving request to project size"
+		logger.log project_id:project_id, bucket:bucket, "receiving request to project size"
 		FileHandler.getDirectorySize bucket, project_id, (err, size)->
 			if err?
 				logger.log err: err, project_id: project_id, bucket: bucket, "error inserting file"

services/filestore/app/coffee/FileHandler.coffee

@@ -31,6 +31,9 @@ module.exports = FileHandler =
 		else
 			@_getConvertedFile bucket, key, opts, callback
 
+	getFileSize: (bucket, key, callback) ->
+		PersistorManager.getFileSize(bucket, key, callback)
+
 	_getStandardFile: (bucket, key, opts, callback)->
 		PersistorManager.getFileStream bucket, key, opts, (err, fileStream)->
 			if err? and !(err instanceof Errors.NotFoundError)

services/filestore/app/coffee/S3PersistorManager.coffee

@@ -1,3 +1,7 @@
+# This module is the one which is used in production.  It needs to be migrated
+# to use aws-sdk throughout, see the comments in AWSSDKPersistorManager for
+# details. The knox library is unmaintained and has bugs.
+
 http = require('http')
 http.globalAgent.maxSockets = 300
 https = require('https')
@@ -5,6 +9,7 @@ https.globalAgent.maxSockets = 300
 settings = require("settings-sharelatex")
 request = require("request")
 logger = require("logger-sharelatex")
+metrics = require("metrics-sharelatex")
 fs = require("fs")
 knox = require("knox")
 path = require("path")
@@ -12,10 +17,15 @@ LocalFileWriter = require("./LocalFileWriter")
 Errors = require("./Errors")
 _ = require("underscore")
 awsS3 = require "aws-sdk/clients/s3"
+URL = require('url')
 
 thirtySeconds = 30 * 1000
 
 buildDefaultOptions = (bucketName, method, key)->
+	if settings.filestore.s3.endpoint
+		endpoint = "#{settings.filestore.s3.endpoint}/#{bucketName}"
+	else
+		endpoint = "https://#{bucketName}.s3.amazonaws.com"
 	return {
 			aws:
 				key: settings.filestore.s3.key
@@ -23,23 +33,51 @@ buildDefaultOptions = (bucketName, method, key)->
 				bucket: bucketName
 			method: method
 			timeout: thirtySeconds
-			uri:"https://#{bucketName}.s3.amazonaws.com/#{key}"
+			uri:"#{endpoint}/#{key}"
 	}
 
-s3 = new awsS3({
-	credentials:
-		accessKeyId: settings.filestore.s3.key,
-		secretAccessKey: settings.filestore.s3.secret
-})
+getS3Options = (credentials) ->
+	options =
+		credentials:
+			accessKeyId: credentials.auth_key
+			secretAccessKey: credentials.auth_secret
+
+	if settings.filestore.s3.endpoint
+		endpoint = URL.parse(settings.filestore.s3.endpoint)
+		options.endpoint = settings.filestore.s3.endpoint
+		options.sslEnabled = endpoint.protocol == 'https'
+
+	return options
+
+defaultS3Client = new awsS3(getS3Options({
+	auth_key: settings.filestore.s3.key,
+	auth_secret: settings.filestore.s3.secret
+}))
+
+getS3Client = (credentials) ->
+	if credentials?
+		return new awsS3(getS3Options(credentials))
+	else
+		return defaultS3Client
+
+getKnoxClient = (bucketName) =>
+	options =
+		key: settings.filestore.s3.key
+		secret: settings.filestore.s3.secret
+		bucket: bucketName
+	if settings.filestore.s3.endpoint
+		endpoint = URL.parse(settings.filestore.s3.endpoint)
+		options.endpoint = endpoint.hostname
+		options.port = endpoint.port
+	return knox.createClient(options)
 
 module.exports =
 
 	sendFile: (bucketName, key, fsPath, callback)->
-		s3Client = knox.createClient
-			key: settings.filestore.s3.key
-			secret: settings.filestore.s3.secret
-			bucket: bucketName
+		s3Client = getKnoxClient(bucketName)
+		uploaded = 0
 		putEventEmiter = s3Client.putFile fsPath, key, (err, res)->
+			metrics.count 's3.egress', uploaded
 			if err?
 				logger.err err:err,  bucketName:bucketName, key:key, fsPath:fsPath,"something went wrong uploading file to s3"
 				return callback(err)
@@ -54,6 +92,8 @@ module.exports =
 		putEventEmiter.on "error", (err)->
 			logger.err err:err,  bucketName:bucketName, key:key, fsPath:fsPath, "error emmited on put of file"
 			callback err
+		putEventEmiter.on "progress", (progress)->
+			uploaded = progress.written
 
 	sendStream: (bucketName, key, readStream, callback)->
 		logger.log bucketName:bucketName, key:key, "sending file to s3"
@@ -71,36 +111,69 @@ module.exports =
 	# opts may be {start: Number, end: Number}
 	getFileStream: (bucketName, key, opts, callback = (err, res)->)->
 		opts = opts || {}
-		headers = {}
-		if opts.start? and opts.end?
-			headers['Range'] = "bytes=#{opts.start}-#{opts.end}"
-		callback = _.once callback
+		callback = _.once(callback)
 		logger.log bucketName:bucketName, key:key, "getting file from s3"
-		s3Client = knox.createClient
-			key: opts.credentials?.auth_key || settings.filestore.s3.key
-			secret: opts.credentials?.auth_secret || settings.filestore.s3.secret
-			bucket: bucketName
-		s3Stream = s3Client.get(key, headers)
-		s3Stream.end()
-		s3Stream.on 'response', (res) ->
-			if res.statusCode in [403, 404]
+
+		s3 = getS3Client(opts.credentials)
+		s3Params = {
+			Bucket: bucketName
+			Key: key
+		}
+		if opts.start? and opts.end?
+			s3Params['Range'] = "bytes=#{opts.start}-#{opts.end}"
+		s3Request = s3.getObject(s3Params)
+
+		s3Request.on 'httpHeaders', (statusCode, headers, response, statusMessage) =>
+			if statusCode in [403, 404]
 				# S3 returns a 403 instead of a 404 when the user doesn't have
 				# permission to list the bucket contents.
-				logger.log bucketName:bucketName, key:key, "file not found in s3"
-				return callback new Errors.NotFoundError("File not found in S3: #{bucketName}:#{key}"), null
-			else if res.statusCode not in [200, 206]
-				logger.log bucketName:bucketName, key:key, "error getting file from s3: #{res.statusCode}"
-				return callback new Error("Got non-200 response from S3: #{res.statusCode}"), null
-			else 
-				return callback null, res
-		s3Stream.on 'error', (err) ->
-			logger.err err:err, bucketName:bucketName, key:key, "error getting file stream from s3"
-			callback err
+				logger.log({ bucketName: bucketName, key: key }, "file not found in s3")
+				return callback(new Errors.NotFoundError("File not found in S3: #{bucketName}:#{key}"), null)
+			if statusCode not in [200, 206]
+				logger.log({bucketName: bucketName, key: key }, "error getting file from s3: #{statusCode}")
+				return callback(new Error("Got non-200 response from S3: #{statusCode} #{statusMessage}"), null)
+			stream = response.httpResponse.createUnbufferedStream()
+			stream.on 'data', (data) ->
+				metrics.count 's3.ingress', data.byteLength
+
+			callback(null, stream)
+
+		s3Request.on 'error', (err) =>
+			logger.err({ err: err, bucketName: bucketName, key: key }, "error getting file stream from s3")
+			callback(err)
+
+		s3Request.send()
+
+	getFileSize: (bucketName, key, callback) ->
+		logger.log({ bucketName: bucketName, key: key }, "getting file size from S3")
+		s3 = getS3Client()
+		s3.headObject { Bucket: bucketName, Key: key }, (err, data) ->
+			if err?
+				if err.statusCode in [403, 404]
+					# S3 returns a 403 instead of a 404 when the user doesn't have
+					# permission to list the bucket contents.
+					logger.log({
+						bucketName: bucketName,
+						key: key
+					}, "file not found in s3")
+					callback(
+						new Errors.NotFoundError("File not found in S3: #{bucketName}:#{key}")
+					)
+				else
+					logger.err({
+						bucketName: bucketName,
+						key: key,
+						err: err
+					}, "error performing S3 HeadObject")
+					callback(err)
+				return
+			callback(null, data.ContentLength)
 
 	copyFile: (bucketName, sourceKey, destKey, callback)->
 		logger.log bucketName:bucketName, sourceKey:sourceKey, destKey: destKey, "copying file in s3"
 		source = bucketName + '/' + sourceKey
 		# use the AWS SDK instead of knox due to problems with error handling (https://github.com/Automattic/knox/issues/114)
+		s3 = getS3Client()
 		s3.copyObject {Bucket: bucketName, Key: destKey, CopySource: source}, (err) ->
 			if err?
 				if err.code is 'NoSuchKey'
@@ -127,10 +200,7 @@ module.exports =
 			_callback = () ->
 
 		logger.log key: key, bucketName: bucketName, "deleting directory"
-		s3Client = knox.createClient
-			key: settings.filestore.s3.key
-			secret: settings.filestore.s3.secret
-			bucket: bucketName
+		s3Client = getKnoxClient(bucketName)
 		s3Client.list prefix:key, (err, data)->
 			if err?
 				logger.err err:err, bucketName:bucketName, key:key, "something went wrong listing prefix in aws"
@@ -156,10 +226,7 @@ module.exports =
 
 	directorySize:(bucketName, key, callback)->
 		logger.log bucketName:bucketName, key:key, "get project size in s3"
-		s3Client = knox.createClient
-			key: settings.filestore.s3.key
-			secret: settings.filestore.s3.secret
-			bucket: bucketName
+		s3Client = getKnoxClient(bucketName)
 		s3Client.list prefix:key, (err, data)->
 			if err?
 				logger.err err:err, bucketName:bucketName, key:key, "something went wrong listing prefix in aws"

services/filestore/buildscript.txt

@@ -5,4 +5,6 @@ filestore
 --dependencies=mongo,redis
 --docker-repos=gcr.io/overleaf-ops
 --build-target=docker
---script-version=1.1.12
+--script-version=1.1.24
+--env-pass-through=
+--public-repo=True

services/filestore/config/settings.defaults.coffee

@@ -16,6 +16,7 @@ settings =
 			s3:
 				key: process.env['AWS_KEY']
 				secret: process.env['AWS_SECRET']
+				endpoint: process.env['AWS_S3_ENDPOINT']
 			stores:
 				user_files: process.env['AWS_S3_USER_FILES_BUCKET_NAME']
 				template_files: process.env['AWS_S3_TEMPLATE_FILES_BUCKET_NAME']

services/filestore/docker-compose.ci.yml

@@ -1,15 +1,17 @@
 # This file was auto-generated, do not edit it directly.
 # Instead run bin/update_build_scripts from
 # https://github.com/sharelatex/sharelatex-dev-environment
-# Version: 1.1.12
+# Version: 1.1.24
 
-version: "2"
+version: "2.1"
 
 services:
   test_unit:
     image: ci/$PROJECT_NAME:$BRANCH_NAME-$BUILD_NUMBER
     user: node
     command: npm run test:unit:_run
+    environment:
+      NODE_ENV: test
 
 
   test_acceptance:
@@ -20,11 +22,23 @@ services:
       REDIS_HOST: redis
       MONGO_HOST: mongo
       POSTGRES_HOST: postgres
-      MOCHA_GREP: ${MOCHA_GREP}
       ENABLE_CONVERSIONS: "true"
+      MOCHA_GREP: ${MOCHA_GREP}
+      NODE_ENV: test
+      USE_PROM_METRICS: "true"
+      AWS_KEY: fake
+      AWS_SECRET: fake
+      AWS_S3_USER_FILES_BUCKET_NAME: fake_user_files
+      AWS_S3_TEMPLATE_FILES_BUCKET_NAME: fake_template_files
+      AWS_S3_PUBLIC_FILES_BUCKET_NAME: fake_public_files
+      AWS_S3_ENDPOINT: http://fakes3:9090
     depends_on:
-      - mongo
-      - redis
+      mongo:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+      fakes3:
+        condition: service_healthy
     user: node
     command: npm run test:acceptance:_run
 
@@ -43,3 +57,11 @@ services:
 
   mongo:
     image: mongo:3.4
+
+  fakes3:
+    image: adobe/s3mock
+    environment:
+      - initialBuckets=fake_user_files,fake_template_files,fake_public_files
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9090"]
+

services/filestore/docker-compose.yml

@@ -1,9 +1,9 @@
 # This file was auto-generated, do not edit it directly.
 # Instead run bin/update_build_scripts from
 # https://github.com/sharelatex/sharelatex-dev-environment
-# Version: 1.1.12
+# Version: 1.1.24
 
-version: "2"
+version: "2.1"
 
 services:
   test_unit:
@@ -13,6 +13,7 @@ services:
     working_dir: /app
     environment:
       MOCHA_GREP: ${MOCHA_GREP}
+      NODE_ENV: test
     command: npm run test:unit
     user: node
 
@@ -28,10 +29,23 @@ services:
       POSTGRES_HOST: postgres
       MOCHA_GREP: ${MOCHA_GREP}
       ENABLE_CONVERSIONS: "true"
+      LOG_LEVEL: ERROR
+      NODE_ENV: test
+      USE_PROM_METRICS: "true"
+      AWS_KEY: fake
+      AWS_SECRET: fake
+      AWS_S3_USER_FILES_BUCKET_NAME: fake_user_files
+      AWS_S3_TEMPLATE_FILES_BUCKET_NAME: fake_template_files
+      AWS_S3_PUBLIC_FILES_BUCKET_NAME: fake_public_files
+      AWS_S3_ENDPOINT: http://fakes3:9090
     user: node
     depends_on:
-      - mongo
-      - redis
+      mongo:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+      fakes3:
+        condition: service_healthy
     command: npm run test:acceptance
 
 
@@ -50,3 +64,11 @@ services:
   mongo:
     image: mongo:3.4
 
+  fakes3:
+    image: adobe/s3mock
+    environment:
+      - initialBuckets=fake_user_files,fake_template_files,fake_public_files
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9090"]
+
+

services/filestore/npm-shrinkwrap.json

@@ -3,19 +3,19 @@
   "version": "0.1.4",
   "dependencies": {
     "@google-cloud/common": {
-      "version": "0.27.0",
-      "from": "@google-cloud/common@>=0.27.0 <0.28.0",
-      "resolved": "https://registry.npmjs.org/@google-cloud/common/-/common-0.27.0.tgz"
+      "version": "0.32.1",
+      "from": "@google-cloud/common@>=0.32.0 <0.33.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/common/-/common-0.32.1.tgz"
     },
     "@google-cloud/debug-agent": {
-      "version": "3.0.1",
+      "version": "3.2.0",
       "from": "@google-cloud/debug-agent@>=3.0.0 <4.0.0",
-      "resolved": "https://registry.npmjs.org/@google-cloud/debug-agent/-/debug-agent-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/@google-cloud/debug-agent/-/debug-agent-3.2.0.tgz",
       "dependencies": {
         "coffeescript": {
-          "version": "2.3.2",
+          "version": "2.4.1",
           "from": "coffeescript@>=2.0.0 <3.0.0",
-          "resolved": "https://registry.npmjs.org/coffeescript/-/coffeescript-2.3.2.tgz"
+          "resolved": "https://registry.npmjs.org/coffeescript/-/coffeescript-2.4.1.tgz"
         }
       }
     },
@@ -29,15 +29,47 @@
           "from": "@google-cloud/common@>=0.26.0 <0.27.0",
           "resolved": "https://registry.npmjs.org/@google-cloud/common/-/common-0.26.2.tgz"
         },
+        "@google-cloud/promisify": {
+          "version": "0.3.1",
+          "from": "@google-cloud/promisify@>=0.3.0 <0.4.0",
+          "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-0.3.1.tgz"
+        },
+        "arrify": {
+          "version": "1.0.1",
+          "from": "arrify@>=1.0.1 <2.0.0",
+          "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz"
+        },
+        "gcp-metadata": {
+          "version": "0.9.3",
+          "from": "gcp-metadata@>=0.9.0 <0.10.0",
+          "resolved": "https://registry.npmjs.org/gcp-metadata/-/gcp-metadata-0.9.3.tgz"
+        },
+        "google-auth-library": {
+          "version": "2.0.2",
+          "from": "google-auth-library@>=2.0.0 <3.0.0",
+          "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-2.0.2.tgz",
+          "dependencies": {
+            "gcp-metadata": {
+              "version": "0.7.0",
+              "from": "gcp-metadata@>=0.7.0 <0.8.0",
+              "resolved": "https://registry.npmjs.org/gcp-metadata/-/gcp-metadata-0.7.0.tgz"
+            }
+          }
+        },
         "nan": {
-          "version": "2.12.1",
+          "version": "2.14.0",
           "from": "nan@>=2.11.1 <3.0.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.12.1.tgz"
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz"
         },
         "readable-stream": {
-          "version": "3.1.1",
+          "version": "3.4.0",
           "from": "readable-stream@>=2.0.0 <3.0.0||>=3.0.0 <4.0.0",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.1.1.tgz"
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.4.0.tgz"
+        },
+        "semver": {
+          "version": "5.7.0",
+          "from": "semver@>=5.5.0 <6.0.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz"
         },
         "string_decoder": {
           "version": "1.2.0",
@@ -45,37 +77,27 @@
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz"
         },
         "through2": {
-          "version": "3.0.0",
+          "version": "3.0.1",
           "from": "through2@>=3.0.0 <4.0.0",
-          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.0.tgz"
+          "resolved": "https://registry.npmjs.org/through2/-/through2-3.0.1.tgz"
         }
       }
     },
     "@google-cloud/projectify": {
-      "version": "0.3.2",
-      "from": "@google-cloud/projectify@>=0.3.0 <0.4.0",
-      "resolved": "https://registry.npmjs.org/@google-cloud/projectify/-/projectify-0.3.2.tgz"
+      "version": "0.3.3",
+      "from": "@google-cloud/projectify@>=0.3.3 <0.4.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/projectify/-/projectify-0.3.3.tgz"
     },
     "@google-cloud/promisify": {
-      "version": "0.3.1",
-      "from": "@google-cloud/promisify@>=0.3.0 <0.4.0",
-      "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-0.3.1.tgz"
+      "version": "0.4.0",
+      "from": "@google-cloud/promisify@>=0.4.0 <0.5.0",
+      "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-0.4.0.tgz"
     },
     "@google-cloud/trace-agent": {
-      "version": "3.5.2",
+      "version": "3.6.1",
       "from": "@google-cloud/trace-agent@>=3.2.0 <4.0.0",
-      "resolved": "https://registry.npmjs.org/@google-cloud/trace-agent/-/trace-agent-3.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/@google-cloud/trace-agent/-/trace-agent-3.6.1.tgz",
       "dependencies": {
-        "@google-cloud/common": {
-          "version": "0.30.2",
-          "from": "@google-cloud/common@>=0.30.0 <0.31.0",
-          "resolved": "https://registry.npmjs.org/@google-cloud/common/-/common-0.30.2.tgz"
-        },
-        "google-auth-library": {
-          "version": "3.0.1",
-          "from": "google-auth-library@>=3.0.0 <4.0.0",
-          "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-3.0.1.tgz"
-        },
         "uuid": {
           "version": "3.3.2",
           "from": "uuid@>=3.0.1 <4.0.0",
@@ -134,14 +156,46 @@
       "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz"
     },
     "@sindresorhus/is": {
-      "version": "0.13.0",
-      "from": "@sindresorhus/is@>=0.13.0 <0.14.0",
-      "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.13.0.tgz"
+      "version": "0.15.0",
+      "from": "@sindresorhus/is@>=0.15.0 <0.16.0",
+      "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.15.0.tgz"
+    },
+    "@sinonjs/commons": {
+      "version": "1.4.0",
+      "from": "@sinonjs/commons@>=1.2.0 <2.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.4.0.tgz",
+      "dev": true
+    },
+    "@sinonjs/formatio": {
+      "version": "3.2.1",
+      "from": "@sinonjs/formatio@>=3.0.0 <4.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-3.2.1.tgz",
+      "dev": true,
+      "dependencies": {
+        "@sinonjs/samsam": {
+          "version": "3.3.2",
+          "from": "@sinonjs/samsam@>=3.1.0 <4.0.0",
+          "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-3.3.2.tgz",
+          "dev": true
+        }
+      }
+    },
+    "@sinonjs/samsam": {
+      "version": "2.1.3",
+      "from": "@sinonjs/samsam@>=2.1.2 <3.0.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-2.1.3.tgz",
+      "dev": true
+    },
+    "@sinonjs/text-encoding": {
+      "version": "0.7.1",
+      "from": "@sinonjs/text-encoding@>=0.7.1 <0.8.0",
+      "resolved": "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz",
+      "dev": true
     },
     "@types/caseless": {
-      "version": "0.12.1",
+      "version": "0.12.2",
       "from": "@types/caseless@*",
-      "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.1.tgz"
+      "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.2.tgz"
     },
     "@types/console-log-level": {
       "version": "1.4.0",
@@ -164,9 +218,9 @@
       "resolved": "https://registry.npmjs.org/@types/long/-/long-4.0.0.tgz"
     },
     "@types/node": {
-      "version": "10.12.20",
+      "version": "12.0.8",
       "from": "@types/node@*",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.20.tgz"
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.0.8.tgz"
     },
     "@types/request": {
       "version": "2.48.1",
@@ -183,6 +237,11 @@
       "from": "@types/tough-cookie@*",
       "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-2.3.5.tgz"
     },
+    "abort-controller": {
+      "version": "3.0.0",
+      "from": "abort-controller@>=3.0.0 <4.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz"
+    },
     "accept-encoding": {
       "version": "0.1.0",
       "from": "accept-encoding@>=0.1.0 <0.2.0",
@@ -194,29 +253,35 @@
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz"
     },
     "acorn": {
-      "version": "5.7.3",
-      "from": "acorn@>=5.0.3 <6.0.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz"
+      "version": "6.1.1",
+      "from": "acorn@>=6.0.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz"
     },
     "agent-base": {
-      "version": "4.2.1",
+      "version": "4.3.0",
       "from": "agent-base@>=4.1.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.2.1.tgz"
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz"
     },
     "ajv": {
-      "version": "6.7.0",
+      "version": "6.10.0",
       "from": "ajv@>=6.5.5 <7.0.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.7.0.tgz"
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz"
     },
     "array-flatten": {
       "version": "1.1.1",
       "from": "array-flatten@1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz"
     },
+    "array-from": {
+      "version": "2.1.1",
+      "from": "array-from@>=2.1.1 <3.0.0",
+      "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
+      "dev": true
+    },
     "arrify": {
-      "version": "1.0.1",
-      "from": "arrify@>=1.0.1 <2.0.0",
-      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz"
+      "version": "2.0.1",
+      "from": "arrify@>=2.0.0 <3.0.0",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-2.0.1.tgz"
     },
     "asn1": {
       "version": "0.2.4",
@@ -228,6 +293,12 @@
       "from": "assert-plus@>=1.0.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz"
     },
+    "assertion-error": {
+      "version": "1.1.0",
+      "from": "assertion-error@>=1.1.0 <2.0.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "dev": true
+    },
     "async": {
       "version": "0.2.10",
       "from": "async@>=0.2.10 <0.3.0",
@@ -236,7 +307,14 @@
     "async-listener": {
       "version": "0.6.10",
       "from": "async-listener@>=0.6.0 <0.7.0",
-      "resolved": "https://registry.npmjs.org/async-listener/-/async-listener-0.6.10.tgz"
+      "resolved": "https://registry.npmjs.org/async-listener/-/async-listener-0.6.10.tgz",
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "from": "semver@>=5.3.0 <6.0.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz"
+        }
+      }
     },
     "asynckit": {
       "version": "0.4.0",
@@ -271,9 +349,9 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz"
     },
     "axios": {
-      "version": "0.18.0",
+      "version": "0.18.1",
       "from": "axios@>=0.18.0 <0.19.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.0.tgz"
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.1.tgz"
     },
     "balanced-match": {
       "version": "1.0.0",
@@ -301,9 +379,9 @@
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz"
     },
     "bindings": {
-      "version": "1.4.0",
+      "version": "1.5.0",
       "from": "bindings@>=1.2.1 <2.0.0",
-      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.4.0.tgz"
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz"
     },
     "bintrees": {
       "version": "1.0.1",
@@ -346,14 +424,15 @@
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz"
     },
     "builtin-modules": {
-      "version": "3.0.0",
+      "version": "3.1.0",
       "from": "builtin-modules@>=3.0.0 <4.0.0",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-3.0.0.tgz"
+      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-3.1.0.tgz"
     },
     "bunyan": {
       "version": "1.5.1",
       "from": "bunyan@1.5.1",
-      "resolved": "https://registry.npmjs.org/bunyan/-/bunyan-1.5.1.tgz"
+      "resolved": "https://registry.npmjs.org/bunyan/-/bunyan-1.5.1.tgz",
+      "dev": true
     },
     "bytes": {
       "version": "3.0.0",
@@ -365,10 +444,22 @@
       "from": "caseless@>=0.3.0 <0.4.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.3.0.tgz"
     },
+    "chai": {
+      "version": "4.2.0",
+      "from": "chai@4.2.0",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.2.0.tgz",
+      "dev": true
+    },
+    "check-error": {
+      "version": "1.0.2",
+      "from": "check-error@>=1.0.2 <2.0.0",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+      "dev": true
+    },
     "coffee-script": {
-      "version": "1.12.4",
-      "from": "coffee-script@1.12.4",
-      "resolved": "https://registry.npmjs.org/coffee-script/-/coffee-script-1.12.4.tgz"
+      "version": "1.6.0",
+      "from": "coffee-script@1.6.0",
+      "resolved": "https://registry.npmjs.org/coffee-script/-/coffee-script-1.6.0.tgz"
     },
     "combined-stream": {
       "version": "0.0.7",
@@ -381,9 +472,9 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz"
     },
     "console-log-level": {
-      "version": "1.4.0",
+      "version": "1.4.1",
       "from": "console-log-level@>=1.4.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/console-log-level/-/console-log-level-1.4.0.tgz"
+      "resolved": "https://registry.npmjs.org/console-log-level/-/console-log-level-1.4.1.tgz"
     },
     "content-disposition": {
       "version": "0.5.2",
@@ -435,10 +526,16 @@
       "from": "debug@2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz"
     },
+    "deep-eql": {
+      "version": "3.0.1",
+      "from": "deep-eql@>=3.0.1 <4.0.0",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
+      "dev": true
+    },
     "delay": {
-      "version": "4.1.0",
+      "version": "4.3.0",
       "from": "delay@>=4.0.1 <5.0.0",
-      "resolved": "https://registry.npmjs.org/delay/-/delay-4.1.0.tgz"
+      "resolved": "https://registry.npmjs.org/delay/-/delay-4.3.0.tgz"
     },
     "delayed-stream": {
       "version": "0.0.5",
@@ -455,16 +552,23 @@
       "from": "destroy@>=1.0.4 <1.1.0",
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz"
     },
+    "diff": {
+      "version": "3.5.0",
+      "from": "diff@>=3.5.0 <4.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+      "dev": true
+    },
     "dtrace-provider": {
       "version": "0.6.0",
       "from": "dtrace-provider@>=0.6.0 <0.7.0",
       "resolved": "https://registry.npmjs.org/dtrace-provider/-/dtrace-provider-0.6.0.tgz",
+      "dev": true,
       "optional": true
     },
     "duplexify": {
-      "version": "3.6.1",
+      "version": "3.7.1",
       "from": "duplexify@>=3.6.0 <4.0.0",
-      "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.6.1.tgz",
+      "resolved": "https://registry.npmjs.org/duplexify/-/duplexify-3.7.1.tgz",
       "dependencies": {
         "readable-stream": {
           "version": "2.3.6",
@@ -484,9 +588,9 @@
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz"
     },
     "ecdsa-sig-formatter": {
-      "version": "1.0.10",
-      "from": "ecdsa-sig-formatter@1.0.10",
-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.10.tgz"
+      "version": "1.0.11",
+      "from": "ecdsa-sig-formatter@1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz"
     },
     "ee-first": {
       "version": "1.1.1",
@@ -514,9 +618,9 @@
       "resolved": "https://registry.npmjs.org/ent/-/ent-2.2.0.tgz"
     },
     "es6-promise": {
-      "version": "4.2.5",
+      "version": "4.2.8",
       "from": "es6-promise@>=4.0.3 <5.0.0",
-      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.5.tgz"
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.8.tgz"
     },
     "es6-promisify": {
       "version": "5.0.0",
@@ -538,6 +642,11 @@
       "from": "etag@>=1.8.1 <1.9.0",
       "resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz"
     },
+    "event-target-shim": {
+      "version": "5.0.1",
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+      "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz"
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services/filestore/package.json

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-    "metrics-sharelatex": "^2.1.1",
+    "logger-sharelatex": "^1.7.0",
+    "metrics-sharelatex": "^2.2.0",
     "mocha": "5.2.0",
     "node-transloadit": "0.0.4",
     "node-uuid": "~1.4.1",

services/filestore/test/acceptance/coffee/FilestoreApp.coffee

@@ -2,6 +2,9 @@ app = require('../../../app')
 require("logger-sharelatex").logger.level("info")
 logger = require("logger-sharelatex")
 Settings = require("settings-sharelatex")
+request = require('request')
+
+S3_TRIES = 30
 
 module.exports =
 	running: false
@@ -21,4 +24,22 @@ module.exports =
 				logger.log("filestore running in dev mode")
 
 				for callback in @callbacks
-					callback()
+					callback()
+
+	waitForS3: (callback, tries) ->
+		return callback() unless Settings.filestore.s3?.endpoint
+		tries = 1 unless tries
+
+		request.get "#{Settings.filestore.s3.endpoint}/", (err, response) =>
+			console.log(err, response?.statusCode, tries)
+			if !err && [200, 404].includes(response?.statusCode)
+				return callback()
+
+			if tries == S3_TRIES
+				return callback('timed out waiting for S3')
+
+			setTimeout(
+				() =>
+					@waitForS3 callback, tries + 1
+				1000
+			)

services/filestore/test/acceptance/coffee/SendingFileTest.coffee

@@ -9,9 +9,16 @@ fs = require("fs")
 request = require("request")
 settings = require("settings-sharelatex")
 FilestoreApp = require "./FilestoreApp"
+async = require('async')
 
-describe "Filestore", ->
 
+getMetric = (filestoreUrl, metric, cb) ->
+	request.get "#{filestoreUrl}/metrics", (err, res) ->
+		expect(res.statusCode).to.equal 200
+		metricRegex = new RegExp("^#{metric}{[^}]+} ([0-9]+)$", "m")
+		cb(parseInt(metricRegex.exec(res.body)?[1] || '0'))
+
+describe "Filestore", ->
 	before (done)->
 		@localFileReadPath = "/tmp/filestore_acceptence_tests_file_read.txt"
 		@localFileWritePath = "/tmp/filestore_acceptence_tests_file_write.txt"
@@ -22,17 +29,28 @@ describe "Filestore", ->
 			"there are 3 lines in all"
 		].join("\n")
 
-		fs.writeFile(@localFileReadPath, @constantFileContent, done)
 		@filestoreUrl = "http://localhost:#{settings.internal.filestore.port}"
+		fs.writeFile @localFileReadPath, @constantFileContent, (err) ->
+			return done(err) if err
+			FilestoreApp.waitForS3(done)
 
 	beforeEach (done)->
 		FilestoreApp.ensureRunning =>
-			fs.unlink @localFileWritePath, ->
-				done()
-
-
-
-	it "should send a 200 for status endpoing", (done)->
+			async.parallel [
+				(cb) =>
+					fs.unlink @localFileWritePath, () ->
+						cb()
+				(cb) =>
+					getMetric @filestoreUrl, 's3_egress', (metric) =>
+						@previousEgress = metric
+						cb()
+				(cb) =>
+					getMetric @filestoreUrl, 's3_ingress', (metric) =>
+						@previousIngress = metric
+						cb()
+			], done
+
+	it "should send a 200 for status endpoint", (done)->
 		request "#{@filestoreUrl}/status", (err, response, body)->
 			response.statusCode.should.equal 200
 			body.indexOf("filestore").should.not.equal -1
@@ -59,13 +77,32 @@ describe "Filestore", ->
 				response.statusCode.should.equal 404
 				done()
 
+		it 'should record an egress metric for the upload', (done) ->
+			getMetric @filestoreUrl, 's3_egress', (metric) =>
+				expect(metric - @previousEgress).to.equal @constantFileContent.length
+				done()
+
+		it "should return the file size on a HEAD request", (done) ->
+			expectedLength = Buffer.byteLength(@constantFileContent)
+			request.head @fileUrl, (err, res) =>
+				expect(res.statusCode).to.equal(200)
+				expect(res.headers['content-length']).to.equal(expectedLength.toString())
+				done()
+
 		it "should be able get the file back", (done)->
 			@timeout(1000 * 10)
 			request.get @fileUrl, (err, response, body)=>
 				body.should.equal @constantFileContent
 				done()
 
-		it "should be able to get back the first 8 bytes of the file", (done) ->
+		it "should record an ingress metric when downloading the file", (done)->
+			@timeout(1000 * 10)
+			request.get @fileUrl, () =>
+				getMetric @filestoreUrl, 's3_ingress', (metric) =>
+					expect(metric - @previousIngress).to.equal @constantFileContent.length
+					done()
+
+		it "should be able to get back the first 9 bytes of the file", (done) ->
 			@timeout(1000 * 10)
 			options =
 				uri: @fileUrl
@@ -75,6 +112,17 @@ describe "Filestore", ->
 				body.should.equal 'hello wor'
 				done()
 
+		it "should record an ingress metric for a partial download", (done)->
+			@timeout(1000 * 10)
+			options =
+				uri: @fileUrl
+				headers:
+					'Range': 'bytes=0-8'
+			request.get options, ()=>
+				getMetric @filestoreUrl, 's3_ingress', (metric) =>
+					expect(metric - @previousIngress).to.equal 9
+					done()
+
 		it "should be able to get back bytes 4 through 10 of the file", (done) ->
 			@timeout(1000 * 10)
 			options =
@@ -121,11 +169,17 @@ describe "Filestore", ->
 			@file_id = Math.random()
 			@fileUrl = "#{@filestoreUrl}/project/acceptence_tests/file/#{@file_id}"
 			@localFileReadPath = __dirname + '/../../fixtures/test.pdf'
+			fs.stat @localFileReadPath, (err, stat) =>
+				@localFileSize = stat.size
+				writeStream = request.post(@fileUrl)
 
-			writeStream = request.post(@fileUrl)
+				writeStream.on "end", done
+				fs.createReadStream(@localFileReadPath).pipe writeStream
 
-			writeStream.on "end", done
-			fs.createReadStream(@localFileReadPath).pipe writeStream
+		it 'should record an egress metric for the upload', (done) ->
+			getMetric @filestoreUrl, 's3_egress', (metric) =>
+				expect(metric - @previousEgress).to.equal @localFileSize
+				done()
 
 		it "should be able get the file back", (done)->
 			@timeout(1000 * 10)

services/filestore/test/unit/coffee/FSPersistorManagerTests.coffee

@@ -19,9 +19,11 @@ describe "FSPersistorManagerTests", ->
       rmdir:sinon.stub()
       exists:sinon.stub()
       readdir:sinon.stub()
+      open:sinon.stub()
       openSync:sinon.stub()
       fstatSync:sinon.stub()
       closeSync:sinon.stub()
+      stat:sinon.stub()
     @Rimraf = sinon.stub()
     @LocalFileWriter =
       writeStream: sinon.stub()
@@ -103,20 +105,21 @@ describe "FSPersistorManagerTests", ->
       @opts = {}
 
     it "should use correct file location", (done) ->
-      @Fs.createReadStream.returns({on: ->})
       @FSPersistorManager.getFileStream @location, @name1, @opts, (err,res) =>
-      @Fs.createReadStream.calledWith("#{@location}/#{@name1Filtered}").should.equal true
+      @Fs.open.calledWith("#{@location}/#{@name1Filtered}").should.equal true
       done()
 
     describe "with start and end options", ->
 
       beforeEach ->
-        @opts = {start: 0, end: 8}
+        @fd = 2019
+        @opts_in = {start: 0, end: 8}
+        @opts = {start: 0, end: 8, fd: @fd}
+        @Fs.open.callsArgWith(2, null, @fd)
 
       it 'should pass the options to createReadStream', (done) ->
-        @Fs.createReadStream.returns({on: ->})
-        @FSPersistorManager.getFileStream @location, @name1, @opts, (err,res)=>
-        @Fs.createReadStream.calledWith("#{@location}/#{@name1Filtered}", @opts).should.equal true
+        @FSPersistorManager.getFileStream @location, @name1, @opts_in, (err,res)=>
+        @Fs.createReadStream.calledWith(null, @opts).should.equal true
         done()
 
     describe "error conditions", ->
@@ -125,12 +128,10 @@ describe "FSPersistorManagerTests", ->
 
         beforeEach ->
           @fakeCode = 'ENOENT'
-          @Fs.createReadStream.returns(
-            on: (key, callback) =>
-              err = new Error()
-              err.code = @fakeCode
-              callback(err, null)
-          )
+          err = new Error()
+          err.code = @fakeCode
+          @Fs.open.callsArgWith(2, err, null)
+
         it "should give a NotFoundError", (done) ->
           @FSPersistorManager.getFileStream @location, @name1, @opts, (err,res)=>
             expect(res).to.equal null
@@ -142,12 +143,9 @@ describe "FSPersistorManagerTests", ->
 
         beforeEach ->
           @fakeCode = 'SOMETHINGHORRIBLE'
-          @Fs.createReadStream.returns(
-            on: (key, callback) =>
-              err = new Error()
-              err.code = @fakeCode
-              callback(err, null)
-          )
+          err = new Error()
+          err.code = @fakeCode
+          @Fs.open.callsArgWith(2, err, null)
 
         it "should give an Error", (done) ->
           @FSPersistorManager.getFileStream @location, @name1, @opts, (err,res)=>
@@ -156,7 +154,35 @@ describe "FSPersistorManagerTests", ->
             expect(err instanceof Error).to.equal true
             done()
 
+  describe "getFileSize", ->
+    it "should return the file size", (done) ->
+      expectedFileSize = 75382
+      @Fs.stat.yields(new Error("fs.stat got unexpected arguments"))
+      @Fs.stat.withArgs("#{@location}/#{@name1Filtered}")
+        .yields(null, { size: expectedFileSize })
+
+      @FSPersistorManager.getFileSize @location, @name1, (err, fileSize) =>
+        if err?
+          return done(err)
+        expect(fileSize).to.equal(expectedFileSize)
+        done()
+
+    it "should throw a NotFoundError if the file does not exist", (done) ->
+      error = new Error()
+      error.code = "ENOENT"
+      @Fs.stat.yields(error)
 
+      @FSPersistorManager.getFileSize @location, @name1, (err, fileSize) =>
+        expect(err).to.be.instanceof(@Errors.NotFoundError)
+        done()
+
+    it "should rethrow any other error", (done) ->
+      error = new Error()
+      @Fs.stat.yields(error)
+
+      @FSPersistorManager.getFileSize @location, @name1, (err, fileSize) =>
+        expect(err).to.equal(error)
+        done()
 
   describe "copyFile", ->
     beforeEach ->

services/filestore/test/unit/coffee/FileControllerTests.coffee

@@ -20,6 +20,7 @@ describe "FileController", ->
 					user_files:"user_files"
 		@FileHandler =
 			getFile: sinon.stub()
+			getFileSize: sinon.stub()
 			deleteFile: sinon.stub()
 			insertFile: sinon.stub()
 			getDirectorySize: sinon.stub()
@@ -49,7 +50,8 @@ describe "FileController", ->
 				file_id:@file_id
 			headers: {}
 		@res =
-			setHeader: ->
+			set: sinon.stub().returnsThis()
+			status: sinon.stub().returnsThis()
 		@fileStream = {}
 
 	describe "getFile", ->
@@ -89,6 +91,39 @@ describe "FileController", ->
 					done()
 				@controller.getFile @req, @res
 
+	describe "getFileHead", ->
+		it "should return the file size in a Content-Length header", (done) ->
+			expectedFileSize = 84921
+			@FileHandler.getFileSize.yields(
+				new Error("FileHandler.getFileSize: unexpected arguments")
+			)
+			@FileHandler.getFileSize.withArgs(@bucket, @key).yields(null, expectedFileSize)
+
+			@res.end = () =>
+				expect(@res.status.lastCall.args[0]).to.equal(200)
+				expect(@res.set.calledWith("Content-Length", expectedFileSize)).to.equal(true)
+				done()
+
+			@controller.getFileHead(@req, @res)
+
+		it "should return a 404 is the file is not found", (done) ->
+			@FileHandler.getFileSize.yields(new @Errors.NotFoundError())
+
+			@res.end = () =>
+				expect(@res.status.lastCall.args[0]).to.equal(404)
+				done()
+
+			@controller.getFileHead(@req, @res)
+
+		it "should return a 500 on internal errors", (done) ->
+			@FileHandler.getFileSize.yields(new Error())
+
+			@res.end = () =>
+				expect(@res.status.lastCall.args[0]).to.equal(500)
+				done()
+
+			@controller.getFileHead(@req, @res)
+
 	describe "insertFile", ->
 
 		it "should send bucket name key and res to PersistorManager", (done)->

services/filestore/test/unit/coffee/FileHandlerTests.coffee

@@ -108,7 +108,6 @@ describe "FileHandler", ->
 				@handler._getConvertedFile.called.should.equal true
 				done()
 
-
 	describe "_getStandardFile", ->
 
 		beforeEach ->

services/filestore/test/unit/coffee/S3PersistorManagerTests.coffee

@@ -17,20 +17,31 @@ describe "S3PersistorManagerTests", ->
 					key: "this_key"
 				stores:
 					user_files:"sl_user_files"
-		@stubbedKnoxClient =
+		@knoxClient =
 			putFile:sinon.stub()
 			copyFile:sinon.stub()
 			list: sinon.stub()
 			deleteMultiple: sinon.stub()
 			get: sinon.stub()
 		@knox =
-			createClient: sinon.stub().returns(@stubbedKnoxClient)
-		@stubbedS3Client =
-			copyObject:sinon.stub()
-		@awsS3 = sinon.stub().returns @stubbedS3Client
+			createClient: sinon.stub().returns(@knoxClient)
+		@s3EventHandlers = {}
+		@s3Request =
+			on: sinon.stub().callsFake (event, callback) =>
+				@s3EventHandlers[event] = callback
+			send: sinon.stub()
+		@s3Response =
+			httpResponse:
+				createUnbufferedStream: sinon.stub()
+		@s3Client =
+			copyObject: sinon.stub()
+			headObject: sinon.stub()
+			getObject: sinon.stub().returns(@s3Request)
+		@awsS3 = sinon.stub().returns(@s3Client)
 		@LocalFileWriter =
 			writeStream: sinon.stub()
 			deleteFile: sinon.stub()
+		@request = sinon.stub()
 		@requires =
 			"knox": @knox
 			"aws-sdk/clients/s3": @awsS3
@@ -39,142 +50,173 @@ describe "S3PersistorManagerTests", ->
 			"logger-sharelatex":
 				log:->
 				err:->
+			"request": @request
 			"./Errors": @Errors =
 				NotFoundError: sinon.stub()
 		@key = "my/key"
 		@bucketName = "my-bucket"
 		@error = "my errror"
+		@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
 
 	describe "getFileStream", ->
-		beforeEach ->
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
-			@opts = {}
-
-		it "should use correct key", (done)->
-			@stubbedKnoxClient.get.returns(
-				on:->
-				end:->
-			)
-			@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err)=> # empty callback
-			@stubbedKnoxClient.get.calledWith(@key).should.equal true
-			done()
-
-		it "should use default auth", (done)->
-			@stubbedKnoxClient.get.returns(
-				on:->
-				end:->
-			)
-			@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err)=> # empty callback
-			clientParams =
-				key: @settings.filestore.s3.key
-				secret: @settings.filestore.s3.secret
-				bucket: @bucketName
-			@knox.createClient.calledWith(clientParams).should.equal true
-			done()
-
-		describe "with supplied auth", ->
-			beforeEach ->
-				@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
-				@credentials =
-					auth_key: "that_key"
-					auth_secret: "that_secret"
-				@opts =
-					credentials: @credentials
-
-			it "should use supplied auth", (done)->
-				@stubbedKnoxClient.get.returns(
-					on:->
-					end:->
-				)
-				@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err)=> # empty callback
-				clientParams =
-					key: @credentials.auth_key
-					secret: @credentials.auth_secret
-					bucket: @bucketName
-				@knox.createClient.calledWith(clientParams).should.equal true
-				done()
-
-		describe "with start and end options", ->
-			beforeEach ->
-				@opts =
-					start: 0
-					end: 8
-			it "should pass headers to the knox.Client.get()", (done) ->
-				@stubbedKnoxClient.get.returns(
-					on:->
-					end:->
-				)
-				@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err)=> # empty callback
-				@stubbedKnoxClient.get.calledWith(@key, {'Range': 'bytes=0-8'}).should.equal true
-				done()
-
-		describe "error conditions", ->
-
+		describe "success", ->
+			beforeEach () ->
+				@expectedStream = { expectedStream: true }
+				@expectedStream.on = sinon.stub()
+				@s3Request.send.callsFake () =>
+					@s3EventHandlers.httpHeaders(200, {}, @s3Response, "OK")
+				@s3Response.httpResponse.createUnbufferedStream.returns(@expectedStream)
+
+			it "returns a stream", (done) ->
+				@S3PersistorManager.getFileStream @bucketName, @key, {}, (err, stream) =>
+					if err?
+						return done(err)
+					expect(stream).to.equal(@expectedStream)
+					done()
+
+			it "sets the AWS client up with credentials from settings", (done) ->
+				@S3PersistorManager.getFileStream @bucketName, @key, {}, (err, stream) =>
+					if err?
+						return done(err)
+					expect(@awsS3.lastCall.args).to.deep.equal([{
+						credentials:
+							accessKeyId: @settings.filestore.s3.key
+							secretAccessKey: @settings.filestore.s3.secret
+					}])
+					done()
+
+			it "fetches the right key from the right bucket", (done) ->
+				@S3PersistorManager.getFileStream @bucketName, @key, {}, (err, stream) =>
+					if err?
+						return done(err)
+					expect(@s3Client.getObject.lastCall.args).to.deep.equal([{
+						Bucket: @bucketName,
+						Key: @key
+					}])
+					done()
+
+			it "accepts alternative credentials", (done) ->
+				accessKeyId = "that_key"
+				secret = "that_secret"
+				opts = {
+					credentials:
+						auth_key: accessKeyId
+						auth_secret: secret
+				}
+				@S3PersistorManager.getFileStream @bucketName, @key, opts, (err, stream) =>
+					if err?
+						return done(err)
+					expect(@awsS3.lastCall.args).to.deep.equal([{
+						credentials:
+							accessKeyId: accessKeyId
+							secretAccessKey: secret
+					}])
+					expect(stream).to.equal(@expectedStream)
+					done()
+
+			it "accepts byte range", (done) ->
+				start = 0
+				end = 8
+				opts = { start: start, end: end }
+				@S3PersistorManager.getFileStream @bucketName, @key, opts, (err, stream) =>
+					if err?
+						return done(err)
+					expect(@s3Client.getObject.lastCall.args).to.deep.equal([{
+						Bucket: @bucketName
+						Key: @key
+						Range: "bytes=#{start}-#{end}"
+					}])
+					expect(stream).to.equal(@expectedStream)
+					done()
+
+		describe "errors", ->
 			describe "when the file doesn't exist", ->
-
 				beforeEach ->
-					@fakeResponse =
-						statusCode: 404
-					@stubbedKnoxClient.get.returns(
-						on: (key, callback) =>
-							if key == 'response'
-								callback(@fakeResponse)
-						end: ->
-					)
-
-				it "should produce a NotFoundError", (done) ->
-					@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err, stream)=> # empty callback
-						expect(stream).to.equal null
-						expect(err).to.not.equal null
-						expect(err instanceof @Errors.NotFoundError).to.equal true
+					@s3Request.send.callsFake () =>
+						@s3EventHandlers.httpHeaders(404, {}, @s3Response, "Not found")
+
+				it "returns a NotFoundError that indicates the bucket and key", (done) ->
+					@S3PersistorManager.getFileStream @bucketName, @key, {}, (err, stream) =>
+						expect(err).to.be.instanceof(@Errors.NotFoundError)
+						errMsg = @Errors.NotFoundError.lastCall.args[0]
+						expect(errMsg).to.match(new RegExp(".*#{@bucketName}.*"))
+						expect(errMsg).to.match(new RegExp(".*#{@key}.*"))
 						done()
 
-				it "should have bucket and key in the Error message", (done) ->
-					@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err, stream)=> # empty callback
-						error_message = @Errors.NotFoundError.lastCall.args[0]
-						expect(error_message).to.not.equal null
-						error_message.should.match(new RegExp(".*#{@bucketName}.*"))
-						error_message.should.match(new RegExp(".*#{@key}.*"))
+			describe "when S3 encounters an unkown error", ->
+				beforeEach ->
+					@s3Request.send.callsFake () =>
+						@s3EventHandlers.httpHeaders(500, {}, @s3Response, "Internal server error")
+
+				it "returns an error", (done) ->
+					@S3PersistorManager.getFileStream @bucketName, @key, {}, (err, stream) =>
+						expect(err).to.be.instanceof(Error)
 						done()
 
-			describe "when the S3 service produces an error", ->
+			describe "when the S3 request errors out before receiving HTTP headers", ->
 				beforeEach ->
-					@fakeResponse =
-						statusCode: 500
-					@stubbedKnoxClient.get.returns(
-						on: (key, callback) =>
-							if key == 'response'
-								callback(@fakeResponse)
-						end: ->
-					)
-
-				it "should produce an error", (done) ->
-					@S3PersistorManager.getFileStream @bucketName, @key, @opts, (err, stream)=> # empty callback
-						expect(stream).to.equal null
-						expect(err).to.not.equal null
-						expect(err instanceof Error).to.equal true
-						@Errors.NotFoundError.called.should.equal false
+					@s3Request.send.callsFake () =>
+						@s3EventHandlers.error(new Error("connection failed"))
+
+				it "returns an error", (done) ->
+					@S3PersistorManager.getFileStream @bucketName, @key, {}, (err, stream) =>
+						expect(err).to.be.instanceof(Error)
 						done()
 
+	describe "getFileSize", ->
+		it "should obtain the file size from S3", (done) ->
+			expectedFileSize = 123
+			@s3Client.headObject.yields(new Error(
+				"s3Client.headObject got unexpected arguments"
+			))
+			@s3Client.headObject.withArgs({
+				Bucket: @bucketName
+				Key: @key
+			}).yields(null, { ContentLength: expectedFileSize })
+
+			@S3PersistorManager.getFileSize @bucketName, @key, (err, fileSize) =>
+				if err?
+					return done(err)
+				expect(fileSize).to.equal(expectedFileSize)
+				done()
+
+		[403, 404].forEach (statusCode) ->
+			it "should throw NotFoundError when S3 responds with #{statusCode}", (done) ->
+				error = new Error()
+				error.statusCode = statusCode
+				@s3Client.headObject.yields(error)
+
+				@S3PersistorManager.getFileSize @bucketName, @key, (err, fileSize) =>
+					expect(err).to.be.an.instanceof(@Errors.NotFoundError)
+					done()
+
+		it "should rethrow any other error", (done) ->
+			error = new Error()
+			@s3Client.headObject.yields(error)
+			@s3Client.headObject.yields(error)
+
+			@S3PersistorManager.getFileSize @bucketName, @key, (err, fileSize) =>
+				expect(err).to.equal(error)
+				done()
+
 	describe "sendFile", ->
 
 		beforeEach ->
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
-			@stubbedKnoxClient.putFile.returns on:->
+			@knoxClient.putFile.returns on:->
 
 		it "should put file with knox", (done)->
 			@LocalFileWriter.deleteFile.callsArgWith(1)
-			@stubbedKnoxClient.putFile.callsArgWith(2, @error)
+			@knoxClient.putFile.callsArgWith(2, @error)
 			@S3PersistorManager.sendFile @bucketName, @key, @fsPath, (err)=>
-				@stubbedKnoxClient.putFile.calledWith(@fsPath, @key).should.equal true
+				@knoxClient.putFile.calledWith(@fsPath, @key).should.equal true
 				err.should.equal @error
 				done()
 
 		it "should delete the file and pass the error with it", (done)->
 			@LocalFileWriter.deleteFile.callsArgWith(1)
-			@stubbedKnoxClient.putFile.callsArgWith(2, @error)
+			@knoxClient.putFile.callsArgWith(2, @error)
 			@S3PersistorManager.sendFile @bucketName, @key, @fsPath, (err)=>
-				@stubbedKnoxClient.putFile.calledWith(@fsPath, @key).should.equal true
+				@knoxClient.putFile.calledWith(@fsPath, @key).should.equal true
 				err.should.equal @error
 				done()
 
@@ -183,7 +225,6 @@ describe "S3PersistorManagerTests", ->
 			@fsPath = "to/some/where"
 			@origin =
 				on:->
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
 			@S3PersistorManager.sendFile = sinon.stub().callsArgWith(3)
 
 		it "should send stream to LocalFileWriter", (done)->
@@ -211,42 +252,36 @@ describe "S3PersistorManagerTests", ->
 		beforeEach ->
 			@sourceKey = "my/key"
 			@destKey = "my/dest/key"
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
 
 		it "should use AWS SDK to copy file", (done)->
-			@stubbedS3Client.copyObject.callsArgWith(1, @error)
+			@s3Client.copyObject.callsArgWith(1, @error)
 			@S3PersistorManager.copyFile @bucketName, @sourceKey, @destKey, (err)=>
 				err.should.equal @error
-				@stubbedS3Client.copyObject.calledWith({Bucket: @bucketName, Key: @destKey, CopySource: @bucketName + '/' + @key}).should.equal true
+				@s3Client.copyObject.calledWith({Bucket: @bucketName, Key: @destKey, CopySource: @bucketName + '/' + @key}).should.equal true
 				done()
 
 		it "should return a NotFoundError object if the original file does not exist", (done)->
 			NoSuchKeyError = {code: "NoSuchKey"}
-			@stubbedS3Client.copyObject.callsArgWith(1, NoSuchKeyError)
+			@s3Client.copyObject.callsArgWith(1, NoSuchKeyError)
 			@S3PersistorManager.copyFile @bucketName, @sourceKey, @destKey, (err)=>
 				expect(err instanceof @Errors.NotFoundError).to.equal true
 				done()
 
 	describe "deleteDirectory", ->
 
-		beforeEach ->
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
-
 		it "should list the contents passing them onto multi delete", (done)->
 			data =
 				Contents: [{Key:"1234"}, {Key: "456"}]
-			@stubbedKnoxClient.list.callsArgWith(1, null, data)
-			@stubbedKnoxClient.deleteMultiple.callsArgWith(1)
+			@knoxClient.list.callsArgWith(1, null, data)
+			@knoxClient.deleteMultiple.callsArgWith(1)
 			@S3PersistorManager.deleteDirectory @bucketName, @key, (err)=>
-				@stubbedKnoxClient.deleteMultiple.calledWith(["1234","456"]).should.equal true
+				@knoxClient.deleteMultiple.calledWith(["1234","456"]).should.equal true
 				done()
 
 	describe "deleteFile", ->
 
 		it "should use correct options", (done)->
-			@request = sinon.stub().callsArgWith(1)
-			@requires["request"] = @request
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
+			@request.callsArgWith(1)
 
 			@S3PersistorManager.deleteFile @bucketName, @key, (err)=>
 				opts = @request.args[0][0]
@@ -257,9 +292,7 @@ describe "S3PersistorManagerTests", ->
 				done()
 
 		it "should return the error", (done)->
-			@request = sinon.stub().callsArgWith(1, @error)
-			@requires["request"] = @request
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
+			@request.callsArgWith(1, @error)
 
 			@S3PersistorManager.deleteFile @bucketName, @key, (err)=>
 				err.should.equal @error
@@ -268,9 +301,7 @@ describe "S3PersistorManagerTests", ->
 	describe "checkIfFileExists", ->
 
 		it "should use correct options", (done)->
-			@request = sinon.stub().callsArgWith(1,  null, statusCode:200)
-			@requires["request"] = @request
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
+			@request.callsArgWith(1,  null, statusCode:200)
 
 			@S3PersistorManager.checkIfFileExists @bucketName, @key, (err)=>
 				opts = @request.args[0][0]
@@ -281,25 +312,21 @@ describe "S3PersistorManagerTests", ->
 				done()
 
 		it "should return true for a 200", (done)->
-			@request = sinon.stub().callsArgWith(1, null, statusCode:200)
-			@requires["request"] = @request
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
+			@request.callsArgWith(1, null, statusCode:200)
+
 			@S3PersistorManager.checkIfFileExists @bucketName, @key, (err, exists)=>
 				exists.should.equal true
 				done()
 
 		it "should return false for a non 200", (done)->
-			@request = sinon.stub().callsArgWith(1, null, statusCode:404)
-			@requires["request"] = @request
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
+			@request.callsArgWith(1, null, statusCode:404)
+
 			@S3PersistorManager.checkIfFileExists @bucketName, @key, (err, exists)=>
 				exists.should.equal false
 				done()
 
 		it "should return the error", (done)->
-			@request = sinon.stub().callsArgWith(1, @error, {})
-			@requires["request"] = @request
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
+			@request.callsArgWith(1, @error, {})
 
 			@S3PersistorManager.checkIfFileExists @bucketName, @key, (err)=>
 				err.should.equal @error
@@ -307,13 +334,10 @@ describe "S3PersistorManagerTests", ->
 
 	describe "directorySize", ->
 
-		beforeEach ->
-			@S3PersistorManager = SandboxedModule.require modulePath, requires: @requires
-
 		it "should sum directory files size", (done) ->
 			data =
 				Contents: [ {Size: 1024}, {Size: 2048} ]
-			@stubbedKnoxClient.list.callsArgWith(1, null, data)
+			@knoxClient.list.callsArgWith(1, null, data)
 			@S3PersistorManager.directorySize @bucketName, @key, (err, totalSize)=>
 				totalSize.should.equal 3072
-				done()
+				done()