Use the main redis instance for locks

services/document-updater/app/coffee/LockManager.coffee

@@ -1,7 +1,7 @@
 metrics = require('./Metrics')
 Settings = require('settings-sharelatex')
-rclient = require("./RedisBackend").createClient()
-keys = require('./RedisKeyBuilder')
+redis = require("redis-sharelatex")
+rclient = redis.createClient(Settings.redis.web)
 logger = require "logger-sharelatex"
 os = require "os"
 crypto = require "crypto"
@@ -11,6 +11,9 @@ PID = process.pid
 RND = crypto.randomBytes(4).toString('hex')
 COUNT = 0
 
+keys =
+	blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
+
 module.exports = LockManager =
 	LOCK_TEST_INTERVAL: 50 # 50ms between each test of the lock
 	MAX_LOCK_WAIT_TIME: 10000 # 10s maximum time to spend trying to get the lock

services/document-updater/test/unit/coffee/LockManager/CheckingTheLock.coffee

@@ -14,9 +14,7 @@ describe 'LockManager - checking the lock', ()->
 	
 	mocks =
 		"logger-sharelatex": log:->
-		"./RedisKeyBuilder":
-			blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
-		"./RedisBackend":
+		"redis-sharelatex":
 			createClient : ()->
 				auth:->
 				exists: existsStub

services/document-updater/test/unit/coffee/LockManager/ReleasingTheLock.coffee

@@ -12,9 +12,7 @@ describe 'LockManager - releasing the lock', ()->
 	evalStub = sinon.stub().yields(1)
 	mocks =
 		"logger-sharelatex": log:->
-		"./RedisKeyBuilder":
-			blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
-		"./RedisBackend":
+		"redis-sharelatex":
 			createClient : ()->
 				auth:->
 				eval: evalStub

services/document-updater/test/unit/coffee/LockManager/getLockTests.coffee

@@ -8,9 +8,7 @@ describe 'LockManager - getting the lock', ->
 	beforeEach ->
 		@LockManager = SandboxedModule.require modulePath, requires:
 			"logger-sharelatex": log:->
-			"./RedisKeyBuilder":
-				blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
-			"./RedisBackend":
+			"redis-sharelatex":
 				createClient : () =>
 					auth:->
 			"./Metrics": {inc: () ->}

services/document-updater/test/unit/coffee/LockManager/tryLockTests.coffee

@@ -8,9 +8,7 @@ describe 'LockManager - trying the lock', ->
 	beforeEach ->
 		@LockManager = SandboxedModule.require modulePath, requires:
 			"logger-sharelatex": log:->
-			"./RedisKeyBuilder":
-				blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
-			"./RedisBackend":
+			"redis-sharelatex":
 				createClient : () =>
 					auth:->
 					set: @set = sinon.stub()