AWS::EC2::LaunchTemplate PrivateDnsNameOptions - Amazon CloudFormation
SyntaxProperties
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AWS::EC2::LaunchTemplate PrivateDnsNameOptions

The hostname type for EC2 instances launched into this subnet and how DNS A and AAAA record queries should be handled. For more information, see Amazon EC2 instance hostname types in the Amazon Elastic Compute Cloud User Guide.

Syntax

To declare this entity in your Amazon CloudFormation template, use the following syntax:

JSON

{
  "EnableResourceNameDnsAAAARecord" : Boolean,
  "EnableResourceNameDnsARecord" : Boolean,
  "HostnameType" : String
}

Properties

EnableResourceNameDnsAAAARecord

Indicates whether to respond to DNS queries for instance hostnames with DNS AAAA records.

Required: No

Type: Boolean

Update requires: No interruption

EnableResourceNameDnsARecord

Indicates whether to respond to DNS queries for instance hostnames with DNS A records.

Required: No

Type: Boolean

Update requires: No interruption

HostnameType

The type of hostname for EC2 instances. For IPv4 only subnets, an instance DNS name must be based on the instance IPv4 address. For IPv6 only subnets, an instance DNS name must be based on the instance ID. For dual-stack subnets, you can specify whether DNS names use the instance IPv4 address or the instance ID. For more information, see Amazon EC2 instance hostname types in the Amazon Elastic Compute Cloud User Guide.

Required: No

Type: String

Allowed values: ip-name | resource-name

Update requires: No interruption