[misc] drop support for redis-sentinel

libraries/redis-wrapper/index.coffee

@@ -14,13 +14,7 @@ module.exports = RedisSharelatex =
 		if !opts.retry_max_delay?
 			opts.retry_max_delay = 5000 # ms
 		
-		if opts.endpoints?
-			standardOpts = _.clone(opts)
-			delete standardOpts.endpoints
-			delete standardOpts.masterName
-			client = require("redis-sentinel").createClient opts.endpoints, opts.masterName, standardOpts
-			client.healthCheck = RedisSharelatex.singleInstanceHealthCheckBuilder(client)
-		else if opts.cluster?
+		if opts.cluster?
 			Redis = require("ioredis")
 			standardOpts = _.clone(opts)
 			delete standardOpts.cluster

libraries/redis-wrapper/package.json

@@ -9,7 +9,6 @@
     "async": "^2.5.0",
     "coffee-script": "1.8.0",
     "ioredis": "~4.17.3",
-    "redis-sentinel": "0.1.1",
     "underscore": "1.7.0"
   },
   "devDependencies": {

libraries/redis-wrapper/test.coffee

@@ -11,16 +11,11 @@ describe "index", ->
 	beforeEach ->
 
 		@settings = {}
-		@sentinelClient = 
-			set: ->
-			on: ->
 		@normalRedisClient = 
 			get: ->
 			on: ->
 		@ioredisConstructor = ioredisConstructor = sinon.stub()
 
-		@sentinel =
-			createClient: sinon.stub().returns(@sentinelClient)
 		@normalRedis = 
 			createClient: sinon.stub().returns(@normalRedisClient)
 		@ioredis = class IoRedis
@@ -30,33 +25,9 @@ describe "index", ->
 			constructor: (@config, @options) ->
 			on: sinon.stub()
 		@redis = SandboxedModule.require modulePath, requires:
-			"redis-sentinel":@sentinel
 			"redis":@normalRedis
 			"ioredis": @ioredis
 		@auth_pass = "1234 pass"
-		@endpoints = [
-				{host: '127.0.0.1', port: 26379},
-				{host: '127.0.0.1', port: 26380}
-			]
-
-	describe "sentinel", ->
-		beforeEach ->
-			@masterName = "my master"
-			@sentinelOptions =
-				endpoints:@endpoints
-				masterName:@masterName
-				auth_pass:@auth_pass
-
-		it "should use sentinal if the first argument in an array", ->
-			client = @redis.createClient @sentinelOptions
-			@sentinel.createClient.called.should.equal true
-			@normalRedis.createClient.called.should.equal false
-			client.should.equal @sentinelClient
-
-		it "should pass the options correctly though", ->
-			client = @redis.createClient @sentinelOptions
-			@sentinel.createClient.calledWith(@endpoints, @masterName, {auth_pass:@auth_pass, retry_max_delay: 5000}).should.equal true
-			client.should.equal @sentinelClient
 
 	describe "single node redis", ->
 		beforeEach ->
@@ -67,7 +38,6 @@ describe "index", ->
 
 		it "should use the ioredis driver in single-instance mode if a non array is passed", ->
 			client = @redis.createClient @standardOpts
-			@sentinel.createClient.called.should.equal false
 			@normalRedis.createClient.called.should.equal false
 			assert.equal(client.constructor, @ioredis)