Support for configuring IPv6 networks

[jawnsy]

TL;DR

This module currently configures IPv4 networks, and cannot be used to manage dual-stack networks

Terraform Resources

https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/compute_subnetwork

Detailed design

No response

Additional information

It looks like we just need to add a few fields:

• private_ipv6_google_access
• stack_type
• ipv6_access_type

We would also want to make sure that we export the following outputs:

• ipv6_cidr_range
• external_ipv6_prefix

The changes seem contained to the subnets module: https://github.com/terraform-google-modules/terraform-google-network/blob/a7b91bc1a70c323b99eecc229a70b449b6bda401/modules/subnets/main.tf#L28-L33

[github-actions[bot]]

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[jawnsy]

This is still an issue, not stale :)

[bharathkkb]

Happy to review a PR adding this

[jlkiri]

it looks like ipv6_cidr_range attribute is already in the documentation but it is always empty for me when I try to use it

[Lynty]

@bharathkkb would you be able to review https://github.com/terraform-google-modules/terraform-google-network/pull/420? thank you!

[imrannayer]

fixed in #420

[jawnsy]

Thanks for doing this @Lynty and thanks for reviewing/merging @apeabody!