GKE add support for Private Registry with Private CA

[alexbacchin]

Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request.
• Please do not leave +1 or me too comments, they generate extra noise for issue followers and do not help prioritize the request.
• If you are interested in working on this issue or have submitted a pull request, please leave a comment.
• If an issue is assigned to a user, that user is claiming responsibility for the issue.
• Customers working with a Google Technical Account Manager or Customer Engineer can ask them to reach out internally to expedite investigation and resolution of this issue.

Description

Based on the Access private registries with private CA certificates provides an option for private registries using Private or Enterprise CAs

This feature will allow COS containerd to pull containers from private registries with a Private CA

New or Affected Resource(s)

google_container_cluster

Potential Terraform Configuration

resource "google_container_cluster" "primary" {
  name               = "marcellus-wallace"
  location           = "us-central1-a"
  initial_node_count = 3
  
  node_pool_defaults {
      containerd_config {
           enabled = true
           certificate_authority_domain_config  {
                 fqdns = ["registry.example.com"]
                 secret_uri= "projects/$PROJECT_ID/secrets/$SECRET_NAME/versions/$VERSION"
            }
             certificate_authority_domain_config  {
                 fqdns = ["10.5.3.6:5000"]
                 secret_uri= "projects/$PROJECT_ID2/secrets/$SECRET_NAME2/versions/$VERSION2"
           }
       }
   }
}

References

https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1/projects.locations.clusters#nodeconfigdefaults

b/343221002