modules/interconnect_attachment - Needs to support stack_type and expose the candidate_cloud_router_ip* settings

[patpicos]

TL;DR

The module modules/interconnect_attachment does not expose settings to allow the deployment of dual stack

Need to expand the module to expose:

• stack_type - (Optional) The stack type for this interconnect attachment to identify whether the IPv6 feature is enabled or not. If not specified, IPV4_ONLY will be used. This field can be both set at interconnect attachments creation and update interconnect attachment operations. Possible values are: IPV4_IPV6, IPV4_ONLY.
  candidate_cloud_router_ip_address - (Optional, Beta) Single IPv4 address + prefix length to be configured on the cloud router interface for this interconnect attachment. Example: 203.0.113.1/29

• candidate_customer_router_ip_address - (Optional, Beta) Single IPv4 address + prefix length to be configured on the customer router interface for this interconnect attachment. Example: 203.0.113.2/29

• candidate_cloud_router_ipv6_address - (Optional, Beta) Single IPv6 address + prefix length to be configured on the cloud router interface for this interconnect attachment. Example: 2001:db8::1/125

• candidate_customer_router_ipv6_address - (Optional, Beta) Single IPv6 address + prefix length to be configured on the customer router interface for this interconnect attachment. Example: 2001:db8::2/125

Terraform Resources

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

Detailed design

expose the settings on the module and pass them to the underlying resource

Additional information

No response