Support Service Account on Webhooks

[EmilRex]

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Terraform Version

Terraform v1.9.8
on darwin_arm64
+ provider registry.terraform.io/prefecthq/prefect v2.13.4

Affected Resource(s)

• prefect_webhook

Terraform Configuration Files

resource "prefect_service_account" "service_account" {
  name = "service-account"
  account_role_name = "Member"
}

resource "prefect_webhook" "target_webhook" {
  name        = "webhook"
  enabled     = true
  template = jsonencode({
    event = "prefect.event.received"
    resource = {
      "prefect.resource.id"   = "prefect.event"
      "prefect.resource.name" = "Prefect Event"
    }
    data = "{{ body }}"
  })

  // NOTE: Not sure how service account would be passed, but perhaps something lile:
  // service_account_id = prefect_service_account.service_account.id
}

Debug Output

│ Error: Error during create Webhook
│ 
│   with prefect_webhook.target_webhook,
│   on main.tf line 42, in resource "prefect_webhook" "target_webhook":
│   42: resource "prefect_webhook" "target_webhook" {
│ 
│ Could not create Webhook, unexpected error: failed to create webhook: status code=422 Unprocessable Entity, error={"detail":"`service_account` required while webhook authentication
│ is enforced"}

Expected Behavior

Webhook resource should allow specifying a service account to use.

Actual Behavior

Webhook resource does not support service account.

Steps to Reproduce

1. Enable require webhook auth on your Prefect Cloud account
2. terraform apply