Added parameter for number of cache nodes

stelligent · Dec 31, 2017 · ef87f47 · ef87f47
1 parent db6c5b3
commit ef87f47
Showing 1 changed file with 12 additions and 7 deletions.
diff --git a/service-ecs.yml b/service-ecs.yml
@@ -1,3 +1,7 @@
+Parameters:
+  NumCacheNodes:
+    Type: String
+    Description: Number of cache nodes
 Resources:
   ElasticacheSubnetGroup:
     Type: "AWS::ElastiCache::SubnetGroup"
@@ -6,33 +10,34 @@ Resources:
       SubnetIds:
         Fn::Split:
           - ","
-          - Fn::ImportValue: 
+          - Fn::ImportValue:
               Ref: ServiceSubnetIds
 
   ElasticacheSecurityGroup:
     Type: "AWS::EC2::SecurityGroup"
     Properties:
       GroupDescription: "Elasticache Security Group"
-      VpcId: 
-        Fn::ImportValue: 
+      VpcId:
+        Fn::ImportValue:
           Ref: VpcId
       SecurityGroupIngress:
         -
           IpProtocol: "tcp"
           FromPort: "6379"
           ToPort: "6379"
           SourceSecurityGroupId:
-            Fn::ImportValue: 
+            Fn::ImportValue:
               Ref: ServiceSecurityGroup
 
   ElasticacheCluster:
     Type: "AWS::ElastiCache::CacheCluster"
     Properties:
       CacheNodeType: "cache.m3.medium"
       Engine: "redis"
-      NumCacheNodes: "1"
-      CacheSubnetGroupName: 
+      NumCacheNodes:
+        Ref: NumCacheNodes
+      CacheSubnetGroupName:
         Ref: ElasticacheSubnetGroup
       VpcSecurityGroupIds:
-        - Fn::ImportValue: 
+        - Fn::ImportValue:
             Ref: ServiceSecurityGroup