enable_kubernetes_alpha for gke cluster is not working as expected

[venkatarachapudi]

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Terraform Version & Provider Version(s)

Terraform v1.9.8 on darwin_arm64

• provider registry.terraform.io/hashicorp/google v6.11.0
• provider registry.terraform.io/hashicorp/google-beta v6.11.0

Affected Resource(s)

google_container_cluster

Terraform Configuration

Debug Output

No response

Expected Behavior

Cluster should be build with the 'enable_kubernetes_alpha' flag enabled

Actual Behavior

│ Error: googleapi: Error 400: Auto_upgrade and auto_repair are not supported for clusters with enable_kubernetes_alpha = true. │ Details: │ [ │ { │ "@type": "type.googleapis.com/google.rpc.RequestInfo", │ "requestId": "0x7ed84688b5d9f816" │ } │ ] │ , badRequest │ │ with google_container_cluster.gke_private, │ on main.tf line 7, in resource "google_container_cluster" "gke_private": │ 7: resource "google_container_cluster" "gke_private" { │ ╵

Steps to reproduce

1. terraform apply

Important Factoids

No response

References

No response

b/380481735

[ggtisc]

Confirmed issue!

It is not possible to create a google_container_cluster with enable_kubernetes_alpha set to true