azurerm_kubernetes_cluster_node_pool Panic at v4.0.0

[torumakabe]

Is there an existing issue for this?

• I have searched the existing issues

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Terraform Version

1.9.5

AzureRM Provider Version

4.0.0

Affected Resource(s)/Data Source(s)

azurerm_kubernetes_cluster_node_pool

Terraform Configuration Files

[snip]
resource "azurerm_kubernetes_cluster_node_pool" "user" {
  for_each              = toset(["1", "2", "3"])
  name                  = "az${each.key}"
  kubernetes_cluster_id = azurerm_kubernetes_cluster.default.id
  orchestrator_version  = local.aks.default.orchestrator_version
  vnet_subnet_id        = "${local.aks.network.node_user_az_subnet_id_prefix}${each.key}"
  vm_size               = local.aks.default.vm_size
  zones                 = [each.key]
  node_count            = var.aks.node_pool.user.node_count
  priority              = var.aks.node_pool.user.priority
  os_disk_size_gb       = local.aks.default.os_disk_size_gb
  os_disk_type          = local.aks.default.os_disk_type
  os_sku                = local.aks.default.os_sku

  lifecycle {
    ignore_changes = [
      eviction_policy,
      node_taints,
    ]
  }
}
[snip]

Debug Output/Panic Output

[snip]
│ Error: Plugin did not respond
│ 
│   with module.aks.azurerm_kubernetes_cluster_node_pool.user["3"],
│   on aks/main.tf line 227, in resource "azurerm_kubernetes_cluster_node_pool" "user":
│  227: resource "azurerm_kubernetes_cluster_node_pool" "user" {
│ 
│ The plugin encountered an error, and failed to respond to the plugin.(*GRPCProvider).ApplyResourceChange call. The plugin logs may contain more details.
[snip]

Stack trace from the terraform-provider-azurerm_v4.0.0_x5 plugin:

panic: interface conversion: interface {} is nil, not bool

goroutine 797 [running]:
github.com/hashicorp/terraform-provider-azurerm/internal/services/containers.resourceKubernetesClusterNodePoolCreate(0x0?, {0x6491780?, 0x4001eda480?})
        github.com/hashicorp/terraform-provider-azurerm/internal/services/containers/kubernetes_cluster_node_pool_resource.go:502 +0x2fb0
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*Resource).create(0x7d00578?, {0x7d00578?, 0x4001e743f0?}, 0xd?, {0x6491780?, 0x4001eda480?})
        github.com/hashicorp/terraform-plugin-sdk/[email protected]/helper/schema/resource.go:766 +0x134
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*Resource).Apply(0x4000f0cb60, {0x7d00578, 0x4001e743f0}, 0x400136d110, 0x400048cf80, {0x6491780, 0x4001eda480})
        github.com/hashicorp/terraform-plugin-sdk/[email protected]/helper/schema/resource.go:909 +0x86c
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*GRPCProviderServer).ApplyResourceChange(0x40001f8d98, {0x7d00578?, 0x4001e74300?}, 0x4001924c30)
        github.com/hashicorp/terraform-plugin-sdk/[email protected]/helper/schema/grpc_provider.go:1078 +0xb08
github.com/hashicorp/terraform-plugin-mux/tf5muxserver.(*muxServer).ApplyResourceChange(0x7d005b0?, {0x7d00578?, 0x4001e74000?}, 0x4001924c30)
        github.com/hashicorp/[email protected]/tf5muxserver/mux_server_ApplyResourceChange.go:36 +0x184
github.com/hashicorp/terraform-plugin-go/tfprotov5/tf5server.(*server).ApplyResourceChange(0x4001a22e60, {0x7d00578?, 0x4001e397d0?}, 0x4001acf880)
        github.com/hashicorp/[email protected]/tfprotov5/tf5server/server.go:865 +0x2b0
github.com/hashicorp/terraform-plugin-go/tfprotov5/internal/tfplugin5._Provider_ApplyResourceChange_Handler({0x71b1040?, 0x4001a22e60}, {0x7d00578, 0x4001e397d0}, 0x400048cd00, 0x0)
        github.com/hashicorp/[email protected]/tfprotov5/internal/tfplugin5/tfplugin5_grpc.pb.go:518 +0x164
google.golang.org/grpc.(*Server).processUnaryRPC(0x400193a200, {0x7d00578, 0x4001e39740}, {0x7d2cfe0, 0x4000242900}, 0x4001e5f440, 0x40017d0030, 0xd2fd858, 0x0)
        google.golang.org/[email protected]/server.go:1369 +0xba0
google.golang.org/grpc.(*Server).handleStream(0x400193a200, {0x7d2cfe0, 0x4000242900}, 0x4001e5f440)
        google.golang.org/[email protected]/server.go:1780 +0xc80
google.golang.org/grpc.(*Server).serveStreams.func2.1()
        google.golang.org/[email protected]/server.go:1019 +0x8c
created by google.golang.org/grpc.(*Server).serveStreams.func2 in goroutine 42
        google.golang.org/[email protected]/server.go:1030 +0x150

Error: The terraform-provider-azurerm_v4.0.0_x5 plugin crashed!

This is always indicative of a bug within the plugin. It would be immensely
helpful if you could report the crash with the plugin's maintainers so that it
can be fixed. The output above should help diagnose the issue.

Expected Behaviour

Complete without error. It worked fine in version 3.116.0.

Actual Behaviour

Panic

Steps to Reproduce

terraform apply

Important Factoids

No response

References

No response

[hmb133]

I have a draft PR open for this
#27160

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