Useful launch template parameters

This section describes some launch template parameters that may be broadly useful with AWS PCS.

Turn on detailed CloudWatch monitoring

You can enable collection of CloudWatch metrics at a shorter interval using a launch template parameter.

AWS Management Console

On the console pages for creating or editing launch templates, this option is found under the Advanced details section. Set Detailed CloudWatch monitoring to Enable.

YAML

Monitoring:
    Enabled: True

JSON

{"Monitoring": {"Enabled": "True"}}

For more information, see Enable or turn off detailed monitoring for your instances in the Amazon Elastic Compute Cloud User Guide for Linux Instances.

Instance Metadata Service Version 2 (IMDS v2)

Using IMDS v2 with EC2 instances offers significant security enhancements and helps mitigate potential risks associated with accessing instance metadata in AWS environments.

AWS Management Console

On the console pages for creating or editing launch templates, this option is found under the Advanced details section. Set Metadata accessible to Enabled, Metadata version to V2 only (token required), and Metadata response hop limit to 4.

YAML

MetadataOptions:
  HttpEndpoint: enabled
  HttpTokens: required
  HttpPutResponseHopLimit: 4

JSON

{
    "MetadataOptions": {
        "HttpEndpoint": "enabled",
        "HttpPutResponseHopLimit": 4,
        "HttpTokens": "required"
    }
}

.