Add option to enable detailed EC2 monitoring

This adds the option to enable EC2 detailed monitoring for instances.

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ec2-launchtemplate-launchtemplatedata-monitoring.html

Author: threesquared

templates/aws-stack.yml

@@ -75,6 +75,7 @@ Metadata:
         - ManagedPolicyARN
         - InstanceRoleName
         - IMDSv2Tokens
+        - EnableDetailedMonitoring
 
       - Label:
           default: Auto-scaling Configuration
@@ -442,6 +443,14 @@ Parameters:
       - "true"
       - "false"
     Default: "false"
+    
+  EnableDetailedMonitoring:
+    Type: String
+    Description: Enable detailed EC2 monitoring
+    AllowedValues:
+      - "true"
+      - "false"
+    Default: "false"
 
 Rules:
   HasToken:
@@ -919,6 +928,8 @@ Resources:
             HttpTokens: !Ref IMDSv2Tokens
             # Allow containers using a Docker network on the host to receive IDMSv2 responses
             HttpPutResponseHopLimit: 2
+          Monitoring:
+            Enabled: !Ref EnableDetailedMonitoring
           ImageId: !If
             - HasImageId
             - !Ref ImageId