Set scaling group limits to match desired capacity.

cloudformation_templates/edx-reference-architecture.json

@@ -2589,8 +2589,12 @@
         "LaunchConfigurationName":{
           "Ref":"EdxappServer"
         },
-        "MinSize":"2",
-        "MaxSize":"2",
+        "MinSize":{
+          "Ref":"EdxappDesiredCapacity"
+        },
+        "MaxSize":{
+          "Ref":"EdxappDesiredCapacity"
+        },
         "DesiredCapacity":{
           "Ref":"EdxappDesiredCapacity"
         },
@@ -2936,8 +2940,12 @@
         "LaunchConfigurationName":{
           "Ref":"XqueueServer"
         },
-        "MinSize":"2",
-        "MaxSize":"2",
+        "MinSize":{
+          "Ref":"XqueueDesiredCapacity"
+        },
+        "MaxSize":"{
+          "Ref":"XqueueDesiredCapacity"
+        },
         "DesiredCapacity":{
           "Ref":"XqueueDesiredCapacity"
         },
@@ -3266,8 +3274,12 @@
         "LaunchConfigurationName":{
           "Ref":"RabbitMQServer"
         },
-        "MinSize":"2",
-        "MaxSize":"2",
+        "MinSize":{
+          "Ref":"RabbitMQDesiredCapacity"
+        },
+        "MaxSize":{
+          "Ref":"RabbitMQDesiredCapacity"
+        },
         "DesiredCapacity":{
           "Ref":"RabbitMQDesiredCapacity"
         },
@@ -3632,8 +3644,12 @@
         "LaunchConfigurationName":{
           "Ref":"XServer"
         },
-        "MinSize":"2",
-        "MaxSize":"2",
+        "MinSize":{
+          "Ref":"XServerDesiredCapacity"
+        },
+        "MaxSize":{
+          "Ref":"XServerDesiredCapacity"
+        },
         "DesiredCapacity":{
           "Ref":"XServerDesiredCapacity"
         },
@@ -4091,8 +4107,12 @@
         "LaunchConfigurationName":{
           "Ref":"WorkerServer"
         },
-        "MinSize":"2",
-        "MaxSize":"2",
+        "MinSize":{
+          "Ref":"WorkerDesiredCapacity"
+        }
+        "MaxSize":{
+          "Ref":"WorkerDesiredCapacity"
+        }
         "DesiredCapacity":{
           "Ref":"WorkerDesiredCapacity"
         }
@@ -4336,8 +4356,12 @@
         "LaunchConfigurationName":{
           "Ref":"ForumServer"
         },
-        "MinSize":"2",
-        "MaxSize":"2",
+        "MinSize":{
+          "Ref":"ForumDesiredCapacity"
+        },
+        "MaxSize":{
+          "Ref":"ForumDesiredCapacity"
+        },
         "DesiredCapacity":{
           "Ref":"ForumDesiredCapacity"
         },
@@ -4728,8 +4752,12 @@
         "LaunchConfigurationName":{
           "Ref":"MongoServer"
         },
-        "MinSize":"3",
-        "MaxSize":"3",
+        "MinSize":{
+          "Ref":"MongoDesiredCapacity"
+        }
+        "MaxSize":{
+          "Ref":"MongoDesiredCapacity"
+        }
         "DesiredCapacity":{
           "Ref":"MongoDesiredCapacity"
         }