google_storage_bucket.website deletion results in permadiff

[Akaame]

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Terraform Version

Terraform v1.3.2
on darwin_arm64
+ provider registry.terraform.io/hashicorp/google v4.41.0

Affected Resource(s)

google_storage_bucket.website

Terraform Configuration Files

resource "google_storage_bucket" "default" {
  // stuff...

  // removal of the block below does not result in Website configuration for bucket to be changed
  website {
      main_page_suffix = try(var.website_config["main_page_suffix"], "index.html")
      not_found_page   = try(var.website_config["not_found_page"], "404.html")
  }
}

Expected Behavior

Deletion of website block should have caused bucket's website configuration subfields to be empty values.

Actual Behavior

Website block deletion is respected in .tfstate but not applied to the actual resource (old values still visible on UI) resulting in a permadiff.

Steps to Reproduce

1. Create a bucket via terraform with its website block set.
2. terraform apply
3. Validate on GCP that bucket is indeed created with the given website configuration.
4. Remove the block and terraform apply again.
5. Observe that the values still remain and are not empty.

[edwardmedia]

@Akaame I don't think the api supports this. Once you have enabled the website, the api accepts updates with new values, but not empty. Let me know if you can achieve below behavior using other methods.

Deletion of website block should have caused bucket's website configuration subfields to be empty values.

Yes, showing permdiff is a bug. Before I have a fix for that, I want to make sure above Actual Behavior is incorrect.

[github-actions]

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