Eventhub partition count currently cannot be one when namespace has kafka enabled

[BBeauchemin]

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Terraform (and AzureRM Provider) Version

Terraform v0.11.13

Affected Resource(s)

• azurerm_eventhub

see also: https://github.com/terraform-providers/terraform-provider-azurerm/blob/master/azurerm/resource_arm_eventhub.go#L269

Terraform Configuration Files

resource "azurerm_eventhub_namespace" "namespace" {
  name                = "the-namespace"
  location            = "East US"
  resource_group_name = "<YOUR_RESOURCE_GROUP_NAME>"
  sku                 = "Standard"
  capacity            = "1"
  kafka_enabled       = "true"
}

resource "azurerm_eventhub" "eventhub_topic" {
  name                = "named-for-one-partition"
  namespace_name      = "${azurerm_eventhub_namespace.namespace.name}"
  resource_group_name = "<YOUR_RESOURCE_GROUP_NAME>"
  partition_count     = "1"
  message_retention   = "7"
}

Debug Output

Error: azurerm_eventhub.eventhub_topic: EventHub Partition Count has to be between 2 and 32

Panic Output

Expected Behavior

In Azure portal, when the eventhub namespace is kafka enabled, eventhub created in it can have the partition_count set to one (which is the default value in the UI)

Actual Behavior

The limitation of an eventhub namespace that is not kafka enabled is applyed, which is a minium partition count value to 2

Steps to Reproduce

0. Get the azurem config defined previously and set your ressource_group_name
1. terraform plan

Important Factoids

References

[prasadker]

@jeffreyCline Please look into this issue.

[ghost]

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