The specified EventDeliverySchema value \"CustomInputSchema\" cannot be used in combination with the topic's input schema of EventGridSchema.

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Terraform Version

1.3.0

AzureRM Provider Version

3.10.0

Affected Resource(s)/Data Source(s)

azurerm_eventgrid_event_subscription

Terraform Configuration Files

resource "azurerm_eventgrid_topic" "eventpipeline_eventgrid_topic" {
  name                = "${var.tags.Team}-${var.tags.Name}-${var.tags.Env}-topic-${var.region_short}"
  location            = azurerm_resource_group.eventpipeline_resource_group.location
  resource_group_name = azurerm_resource_group.eventpipeline_resource_group.name
  input_schema        = "CustomEventSchema"
  input_mapping_fields{
    data_version   = "data.dataVersion"
    event_type    = "data.eventType"
    subject       = "data.subject"
  }

  tags = var.tags
}

resource "azurerm_eventgrid_event_subscription" "eventpipeline_eventgrid_topic_subscription_eventhub" {
  name                          = "${var.tags.Team}-${var.tags.Name}-${var.tags.Env}-topic-${var.region_short}-subscription-eventhub"
  advanced_filtering_on_arrays_enabled = true
  scope                         = azurerm_resource_group.eventpipeline_resource_group.id
  eventhub_endpoint_id          = azurerm_eventhub.eventpipeline_eventhub.id
  depends_on                    = [azurerm_eventgrid_topic.eventpipeline_eventgrid_topic]
  event_delivery_schema         = "CustomInputSchema"
}

Debug Output/Panic Output

Error: creating/updating Event Subscription: "): eventgrid.EventSubscriptionsClient#CreateOrUpdate: Failure sending request: StatusCode=400 -- Original Error: Code="InvalidRequest" Message="The specified EventDeliverySchema value \"CustomInputSchema\" cannot be used in combination with the topic's input schema of EventGridSchema."
│ 
│   with module.eventpipeline.azurerm_eventgrid_event_subscription.eventpipeline_eventgrid_topic_subscription_eventhub,
│   on ../../modules/eventpipeline/eventgrid_resources.tf line 16, in resource "azurerm_eventgrid_event_subscription" "eventpipeline_eventgrid_topic_subscription_eventhub":
│   16: resource "azurerm_eventgrid_event_subscription" "eventpipeline_eventgrid_topic_subscription_eventhub" {

Expected Behaviour

this scenario works when creating from azure portal

Actual Behaviour

Error - The specified EventDeliverySchema value \"CustomInputSchema\" cannot be used in combination with the topic's input schema of EventGridSchema.

Steps to Reproduce

terraform apply

Important Factoids

No response

References