# vim main.tf 
# Definindo variáveis para configuração da VM
variable "vm_template" {
  type = map(any)
}

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

provider "libvirt" {
  uri = "qemu:///system"
}

# Volume de imagem do sistema operacional
resource "libvirt_volume" "os_image" {
  name   = var.vm_template["os_image_name"]
  pool   = var.vm_template["storage_pool"]
  source = var.vm_template["os_image_url"]
  format = "qcow2"
}

# Volume de dados da VM
resource "libvirt_volume" "os_datas" {
  name           = var.vm_template["os_volume_name"]
  base_volume_id = libvirt_volume.os_image.id
  pool           = var.vm_template["storage_pool"]
  size           = var.vm_template["disksize"] * 1024 * 1024 * 1024 # Converte para bytes
}

# Definir o arquivo cloud-init para automação

data "template_file" "user_data" {
  template = file("${path.module}/${var.vm_template["cloud_init_file"]}")

  vars = {
    hostname = var.vm_template["hostname"]
    ssh_key  = var.vm_template["ssh_key"]
  }
}


# Criando disco Cloud-Init
resource "libvirt_cloudinit_disk" "cloudinit" {
  name      = "cloudinit.iso"
  user_data = data.template_file.user_data.rendered
  pool      = var.vm_template["storage_pool"]
}

# Criando a VM com libvirt
resource "libvirt_domain" "domain" {
  name   = var.vm_template["name"]
  memory = var.vm_template["memory"]
  vcpu   = var.vm_template["cpu"]

  cpu {
    mode = "host-passthrough"
  }

  cloudinit = libvirt_cloudinit_disk.cloudinit.id

  network_interface {
    network_name   = var.vm_template["network_name"]
    wait_for_lease = true
  }

  console {
    type        = "pty"
    target_type = "virtio"
    target_port = "1"
  }

  disk {
    volume_id = libvirt_volume.os_datas.id
  }

  graphics {
    type        = "spice"
    listen_type = "address"
    autoport    = true
  }
}

output "ip" {
  value = libvirt_domain.domain.network_interface[0].addresses[0]
}