terraform plan -detailed-exitcode return exit code despite non empty diff

[Time0o]

Terraform Version

Terraform v1.10.5

Terraform Configuration Files

variable "remote_ssh_user" {
  description = "SSH user for remote host"
  type        = string
}

variable "remote_ssh_host" {
  description = "Hostname for remote host"
  type        = string
}

variable "remote_ssh_private_key" {
  description = "Path to private key for connecting to remote host"
  type        = string
}

resource "tls_private_key" "vm_ssh_key" {
  algorithm = "ED25519"
}

resource "local_file" "vm_ssh_private_key_file" {
  filename        = "${path.module}/.ssh/id_ed25519"
  content         = tls_private_key.vm_ssh_key.private_key_pem
  file_permission = "0600"
}

terraform {
  required_providers {
    libvirt = {
      source = "dmacvicar/libvirt"
    }
  }
}

provider "libvirt" {
  # Remote connection to libvirtd via SSH
  uri = "qemu+ssh://${var.remote_ssh_user}@${var.remote_ssh_host}/system?keyfile=${var.remote_ssh_private_key}"
}

resource "libvirt_volume" "k8s_vm_disk" {
  name = "k8s-vm.qcow2"
  pool = "default"
  size = 10240 # 10 GiB
}

resource "libvirt_cloudinit_disk" "k8s_init" {
  name = "cloud-init.iso"
  user_data = templatefile("${path.module}/cloud-init/k8s.yaml", {
    ssh_public_key = tls_private_key.vm_ssh_key.public_key_openssh
  })
}

resource "libvirt_domain" "k8s_vm" {
  name   = "k8s-vm"
  memory = 2048 # 2 GiB
  vcpu   = 2

  disk {
    volume_id = libvirt_volume.k8s_vm_disk.id
  }

  network_interface {
    network_name = "default"
  }

  cloudinit = libvirt_cloudinit_disk.k8s_init.id
}

Debug Output

...debug output, or link to a gist...

Expected Behavior

tensorflow plan -detailed-exitcode prints:

Plan: 5 to add, 0 to change, 0 to destroy.

And should thus return exit code 2.

Actual Behavior

Exit code 0 is returned.

Steps to Reproduce

1. terraform init
2. terraform plan -out plan.tfplan -detailed-exitcode

Additional Context

I am running inside an Ubuntu 22.04 Docker container inside a GH Action workflow and am installing terraform via hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd.

References

No response

Generative AI / LLM assisted development?

No response

[crw]

Thanks for this report!