Use env vars and fix tests

test/acceptance/multilayer-test.js

@@ -512,7 +512,11 @@ var QueryTables = require('cartodb-query-tables').queryTables;
                 ]
             };
             var statskey = 'user:localhost:mapviews';
-            var redisStatsClient = redis.createClient(global.environment.redis.port);
+            var redisStatsClient = redis.createClient(
+                {
+                    port: global.environment.redis.port,
+                    host: global.environment.redis.host
+                });
             var expectedToken; // will be set on first post and checked on second
             var now = strftime('%Y%m%d', new Date());
             step(

test/acceptance/rate-limit-test.js

@@ -164,7 +164,11 @@ describe('rate limit', function () {
         global.environment.enabledFeatures.rateLimitsEnabled = true;
         global.environment.enabledFeatures.rateLimitsByEndpoint.anonymous = true;
 
-        redisClient = redis.createClient(global.environment.redis.port);
+        redisClient = redis.createClient(
+            {
+                port: global.environment.redis.port,
+                host: global.environment.redis.host
+            });
         testClient = new TestClient(createMapConfig(), 1234);
     });
 
@@ -226,7 +230,11 @@ describe('rate limit middleware', function () {
         });
         rateLimit = rateLimitMiddleware(userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.ANONYMOUS);
 
-        redisClient = redis.createClient(global.environment.redis.port);
+        redisClient = redis.createClient(
+            {
+                port: global.environment.redis.port,
+                host: global.environment.redis.host
+            });
         testClient = new TestClient(createMapConfig(), 1234);
 
         const count = 1;
@@ -290,7 +298,11 @@ function rateLimitAndVectorTilesTest (usePostGIS) {
         global.environment.enabledFeatures.rateLimitsEnabled = true;
         global.environment.enabledFeatures.rateLimitsByEndpoint.tile = true;
 
-        redisClient = redis.createClient(global.environment.redis.port);
+        redisClient = redis.createClient(
+            {
+                port: global.environment.redis.port,
+                host: global.environment.redis.host
+            });
         const count = 1;
         const period = 1;
         const burst = 0;

test/acceptance/templates-test.js

@@ -1506,7 +1506,11 @@ describe('template_api', function () {
             layergroup: layergroup
         };
         var statskey = 'user:localhost:mapviews';
-        var redisStatsClient = redis.createClient(global.environment.redis.port);
+        var redisStatsClient = redis.createClient(
+            {
+                port: global.environment.redis.port,
+                host: global.environment.redis.host
+            });
         var templateId; // will be set on template post
         var now = strftime('%Y%m%d', new Date());
         var errors = [];