GKE add support for Private Registry with Private CA

[alexbacchin]

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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

[alexbacchin]

Resolved #18160

[github-actions]

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