Panic on apply for datadog_webhook resources

[jakevictor]

Datadog Terraform Provider Version

v3.43.0 and v3.43.1

Terraform Version

v1.9.5

What resources or data sources are affected?

resource_datadog_webhook

Terraform Configuration Files

terraform {
  required_providers {
    datadog = {
      source  = "DataDog/datadog"
      version = "3.43.1"
    }
  }
}

provider "datadog" {
  api_url = "https://us5.datadoghq.com/"
  api_key = var.datadog_api_key
  app_key = var.datadog_app_key
}

resource "datadog_webhook" "test" {
  name = "ProviderBugTest"
  url  = "https://example.com/"
}

Relevant debug or panic output

https://gist.github.com/jakevictor/a5ca09a8a52c0df09a6a0e3bd0ab0a84

Expected Behavior

The plugin should create the resource.

Actual Behavior

The plugin crashed.

Steps to Reproduce

1. terraform init
2. terraform apply

Important Factoids

I've encountered the issue on v3.43.0 and v3.43.1, but not on v3.42.0.

References

No response

[jakevictor]

It looks like the bug is specific to datadog_webhook resources where the optional encode_as argument isn't set. Explicitly setting encode_as to the API's default of json seems to work as a workaround:

resource "datadog_webhook" "test" {
  name      = "ProviderBugTest"
  url       = "https://example.com/"
  encode_as = "json"
}