Error during AKS update

[jnehlt]

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Terraform (and AzureRM Provider) Version

Terraform v0.12.24
+ provider.azuread v0.8.0
+ provider.azurerm v2.3.0
+ provider.helm v1.1.1
+ provider.kubernetes v1.11.1
+ provider.local v1.4.0
+ provider.random v2.2.1
+ provider.tls v2.1.1

Affected Resource(s)

• azurerm_kubernetes_cluster [DATASOURCE]

Terraform Configuration Files

resource "azurerm_kubernetes_cluster" "aks" {
  name                = local.aks_name
  location            = local.aks_location
  dns_prefix          = local.aks_dns_prefix
  resource_group_name = azurerm_resource_group.resource_group.name
  node_resource_group = "${azurerm_resource_group.resource_group.name}-node-rg"

  lifecycle {
    ignore_changes = [
      kubernetes_version,
      default_node_pool.0.node_count
    ]
  }

  service_principal {
    client_id     = data.azurerm_key_vault_secret.aks_client_id.value
    client_secret = data.azurerm_key_vault_secret.aks_client_secret.value
  }

  tags                 = local.aks_tags
  private_link_enabled = var.aks_private_link_enabled

  network_profile {
    network_plugin = "kubenet"
  }

  default_node_pool {
    name                = local.aks_node_pool_name
    vm_size             = var.aks_vm_size
    enable_auto_scaling = var.aks_enable_auto_scaling
    max_pods            = var.aks_max_pods
    vnet_subnet_id      = data.azurerm_subnet.subnet.id
    max_count           = var.aks_nodes_max_count
    min_count           = var.aks_nodes_min_count
    node_count          = var.aks_nodes_node_count
    tags                = var.global_tags
  }

  linux_profile {
    admin_username = local.aks_admin_username
    ssh_key {
      key_data = tls_private_key.ssh.public_key_openssh
    }
  }
}

Debug Output

Not Needed

Panic Output

Not Needed

Expected Behavior

Resource Update

Actual Behavior

ERROR:

Error: Error updating Default Node Pool "devops-sb-dev" (Resource Group "devops-sb-dev-resource_group"): containerservice.AgentPoolsClient#CreateOrUpdate: Invalid input: autorest/validation: validation failed: parameter=parameters.ManagedClusterAgentPoolProfileProperties.Count constraint=Null value=(*int32)(nil) details: value can not be null; required parameter

  on aks/kubernetes.tf line 1, in resource "azurerm_kubernetes_cluster" "aks":
   1: resource "azurerm_kubernetes_cluster" "aks" {

Steps to Reproduce

1. terraform init
2. terraform apply
3. CHANGE Something that will NOT force resource recreation (eg. tags)
4. terraform apply

Important Factoids

References

• PullRequest_URL

[tombuildsstuff]

Fixed via #6095

[ghost]

This has been released in version 2.5.0 of the provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading. As an example:

provider "azurerm" {
    version = "~> 2.5.0"
}
# ... other configuration ...

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. If you feel I made an error 🤖 🙉 , please reach out to my human friends 👉 [email protected]. Thanks!