adding iam role association to launch configurations

cloudformation_templates/edx-reference-architecture.json

@@ -1449,6 +1449,78 @@
         ]
       }
     },
+		"EdxappRole": {
+				"Type": "AWS::IAM::Role",
+        "Properties": {
+						"AssumeRolePolicyDocument": {
+								"Statement": [ {
+										"Effect": "Allow",
+										"Principal": {
+												"Service": [ "ec2.amazonaws.com" ]
+										},
+										"Action": [ "sts:AssumeRole" ]
+								} ]
+            },
+            "Path": "/"
+        }
+    },
+	  "EdxappInstanceProfile": {
+        "Type": "AWS::IAM::InstanceProfile",
+        "Properties": {
+            "Path": "/",
+            "Roles": [ {
+								"Ref": "EdxappRole"
+            } ]
+        }
+    },
+		"XqueueRole": {
+				"Type": "AWS::IAM::Role",
+        "Properties": {
+						"AssumeRolePolicyDocument": {
+								"Statement": [ {
+										"Effect": "Allow",
+										"Principal": {
+												"Service": [ "ec2.amazonaws.com" ]
+										},
+										"Action": [ "sts:AssumeRole" ]
+								} ]
+            },
+            "Path": "/"
+        }
+    },
+	  "XqueueInstanceProfile": {
+        "Type": "AWS::IAM::InstanceProfile",
+        "Properties": {
+            "Path": "/",
+            "Roles": [ {
+								"Ref": "XqueueRole"
+            } ]
+        }
+    },
+		"XServerRole": {
+				"Type": "AWS::IAM::Role",
+        "Properties": {
+						"AssumeRolePolicyDocument": {
+								"Statement": [ {
+										"Effect": "Allow",
+										"Principal": {
+												"Service": [ "ec2.amazonaws.com" ]
+										},
+										"Action": [ "sts:AssumeRole" ]
+								} ]
+            },
+            "Path": "/"
+        }
+    },
+	  "XServerInstanceProfile": {
+        "Type": "AWS::IAM::InstanceProfile",
+        "Properties": {
+            "Path": "/",
+            "Roles": [ {
+								"Ref": "XServerRole"
+            } ]
+        }
+    },
     "EdxServerUser":{
       "Type":"AWS::IAM::User",
       "Properties":{
@@ -1537,6 +1609,7 @@
         }
       },
       "Properties":{
+				"IamInstanceProfile":{ "Ref":"EdxappInstanceProfile" },
         "SecurityGroups":[
           {
             "Ref":"EdxappServerSecurityGroup"
@@ -1924,6 +1997,7 @@
         }
       },
       "Properties":{
+				"IamInstanceProfile":{ "Ref":"XqueueInstanceProfile" },
         "SecurityGroups":[
           {
             "Ref":"XqueueServerSecurityGroup"
@@ -2685,6 +2759,7 @@
         }
       },
       "Properties":{
+				"IamInstanceProfile":{ "Ref":"XServerInstanceProfile" },
         "SecurityGroups":[
           {
             "Ref":"XServerSecurityGroup"