[feature-request] Support for Managed NAT Gateway

[cjs]

https://aws.amazon.com/blogs/aws/new-managed-nat-network-address-translation-gateway-for-aws/

This just came out, but wanted to get it into the backlog.

[jen20]

👍 We'll do this as soon as support lands in the AWS SDK for Go!

[nrcxcia]

+1

[conorgil]

+1

This would save SO much time and effort! Very excited to see this released by AWS and excited for support in Terraform. The announcement blog post also links to more docs .

I think supporting this will require the following updates:

1. Create a new resource aws_nat_gateway, which supports something like the following to create a NAT Gateway for each AZ:

   resource "aws_nat_gateway" "main" {
       count = "${length(split(",", var.zones))}"
   
       public_subnet = "${aws_subnet.public.*.id}"
       elastic_ip_address = "${aws_eip.nat.*.id}"
       tags {
         Name = "${var.environment_name}_ngw_for_${element(split(",", var.zones), count.index)_az}"
         environment_name = "${var.environment_name}"
       }
     }

2. Update aws_route_table and aws_route to support the new NAT gateway. Since those resources already support the gateway_id argument, that could be overloaded to be either the IGW or new NGW resource. If that is complicated to implement, then we could create a new argument nat_gateway_id or something like that.

I am happy to help with docs or anything else non-programming. I haven't dove into Go yet and don't have time at the moment. Let me know how I can help.

[dalethestirling]

👍 We are excited to integrate this into our standard deployment

[majormoses]

+1

[mtb-xt]

AWS SDK for Go has just released version 1.0.6, it includes support for NAT Gateways

[jen20]

This is started in #4381.

[timothykimball]

+1
Whoop!

[jen20]

Landed in #4381!

[rajholla]

Do we have "data source" support for nat gateway's yet?
This is very useful when we need to fetch the NAT gateay id's from existing VPC.

[majormoses]

@rajholla there is no data source for it yet but you could import your existing gateways: https://www.terraform.io/docs/providers/aws/r/nat_gateway.html#import

[nmarchini]

Is there going to be support for Tags, the current doumentation doesn't allow this and I'm getting the following error when trying to add tags

Errors:

• aws_nat_gateway.core_nat: : invalid or unknown key: tags

[bflad]

@nmarchini Terraform 0.10.0 now has split providers, like AWS, from the core Terraform repository into their own provider repositories. Please see hashicorp/terraform-provider-aws#1625 which is merged into master of terraform-provider-aws and should be released with version 1.0.0 of the provider.

[ghost]

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