Supporting resource-based hostnames

[m1keil]

Is your request related to a new offering from AWS?

AWS allows changing the hostname scheme from the legacy ip-based naming to resource-based naming. More info available here

On the provider side this all comes down to the following control knobs on the aws_subnet resource:

• enable_resource_name_dns_a_record_on_launch
• enable_resource_name_dns_aaaa_record_on_launch
• private_dns_hostname_type_on_launch

Describe the solution you'd like.

It can be simply done by exposing the three variables on the top level. I'm not sure if it makes sense to make this configurable on a per subnet base or not.

Additional context

RBN (resource-based naming) was introduced as part of the IPv6-only subnets announcement

[bryantbiggs]

hi @m1keil - this should be addressed in the next version which is under development here https://github.com/clowdhaus/terraform-aws-vpc-v4/tree/main/modules/subnets

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[mulebm]

hi, I was looking for this but couldn't see it has been added to the vpc module, or has it?

[StefanTheWiz]

We should re-open this. This feature has also been requested in issue #840

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