Feature request: IPv6 google_compute_address

[JeanDaniel-Fischer]

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Description

Add support for IP Version in the google compute address resource so we can reserved IPv6 instead of IPv4 when do not need a v4. This will be very usefull to stop using v4.

The idea is to match the --ip-version of gcloud

New or Affected Resource(s)

• google_compute_address

Potential Terraform Configuration

resource "google_compute_address" "static_ip" {
  name = "static-ip"
  project = "my-project"
  
  ip_version = "IPV6"
}

[Chupaka]

Isn't that about "IP version can only be specified for global addresses that are generated automatically" and

resource "google_compute_global_address" "default_v6" {
  name       = "global-ip-v6"
  ip_version = "IPV6"
}

?

[Unichron]

I think the confusion comes from the documentation mess on google's side. They have two resources:

• https://cloud.google.com/compute/docs/reference/rest/v1/addresses
• https://cloud.google.com/compute/docs/reference/rest/v1/globalAddresses

The intro texts on both of these are the same and have very inconsistent settings, for example in theory the 'address' has an ipVersion field but you are only supposed to use it for global addresses (WTF).

[sanghaniJ]

b/262667864

[sanghaniJ]

• The request is for the resource google_compute_address where support is required for field ipVersion which is possible via gCloud cli.

• The field ip_version is already supported in google_compute_global_address.

• The requested field can be found in API Docs for Addresses. But, addresses have a common API structure in case of both global and regional.

• In addition to that, we can find the description for ipVersion stating This can only be specified for a global address. So, it seems the API/Resource Behavior doesn't support the request.

Hence, we can close this issue.

[sanghaniJ]

Additionally, I tried adding the field ip_version to google_compute_address to verify if the API behavior is similar to the documented one. Here's the config which I passed in tf.

resource "google_compute_address" "ip_address" {
  name = "my-address"
  ip_version = "IPV6"
}

And after terraform apply, I received the expected error i.e Error: Error creating Address: googleapi: Error 400: IP Version is not supported for regional addresses., badRequest which verified the behavior.

[github-actions]

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