locals {
  cloud_init_config = templatefile("${path.module}/files/cloud_init_deb12.cloud_config", {
    hostname = var.name
    domain   = var.domain
  })
}

# Create a local copy of the file, to transfer to Proxmox
resource "local_file" "cloud_init_deb12_node" {
  content  = local.cloud_init_config
  filename = "${path.module}/files/user_data_cloud_init_deb12_${var.name}.cfg"
}

# Transfer the file to the Proxmox Host
resource "null_resource" "cloud_init_deb12_node" {
  connection {
    type        = "ssh"
    user        = "root"
    private_key = var.ssh_private
    host        = var.proxmox_ip
  }

  provisioner "file" {
    source      = local_file.cloud_init_deb12_node.filename
    destination = "/var/lib/vz/snippets/cloud_init_deb12_${var.name}.yml"
  }

  depends_on = [
    local_file.cloud_init_deb12_node
  ]
}


# Create the VM
resource "proxmox_vm_qemu" "node" {
  ## Wait for the cloud-config file to exist

  depends_on = [
    null_resource.cloud_init_deb12_node
  ]

  name        = var.name
  target_node = var.proxmox_node

  # Clone from debian-cloudinit template
  clone   = var.cloud_init_template
  os_type = "cloud-init"

  # Cloud init options
  cicustom  = "vendor=local:snippets/cloud_init_deb12_${var.name}.yml"
  ipconfig0 = "ip=${var.ip_address},gw=${var.gateway}"

  cores  = var.cpu
  memory = var.memory
  agent  = 1

  sshkeys = var.ssh_pub

  bios = "ovmf"

  ciuser     = "root"
  cipassword = var.user_password

  # Set the boot disk paramters
  bootdisk = "scsi0"
  scsihw   = "virtio-scsi-single"

  serial {
    id = 0
  }

  network {
    id     = 0
    bridge = "vmbr1"
    model  = "virtio"
  }

  disks {
    scsi {
      scsi0 {
        # We have to specify the disk from our template, else Terraform will think it's not supposed to be there
        disk {
          storage = "local"
          # The size of the disk should be at least as big as the disk in the template. If it's smaller, the disk will be recreated
          size = "10G"
        }
      }
    }
    ide {
      # Some images require a cloud-init disk on the IDE controller, others on the SCSI or SATA controller
      ide1 {
        cloudinit {
          storage = "local"
        }
      }
    }
  }

  # Ignore changes to the network
  ## MAC address is generated on every apply, causing
  ## TF to think this needs to be rebuilt on every apply
  lifecycle {
    ignore_changes = [
      network,
      bootdisk
    ]
  }
}