terraform {
  required_providers {
    libvirt = {
      source  = "dmacvicar/libvirt"
      version = "~> 0.7.0"
    }
  }
}

# Configure the LibVirt Provider
provider "libvirt" {
  uri = "qemu:///system"
}

# Download Ubuntu cloud image
resource "libvirt_volume" "base_image" {
  name   = "ubuntu-22.04-base.qcow2"
  pool   = var.pool_name
  source = "https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img"
  format = "qcow2"
}

# Create cloud-init disk
resource "libvirt_cloudinit_disk" "cloudinit" {
  name           = "cloudinit.iso"
  pool           = var.pool_name
  user_data      = file("${path.module}/cloud-init/user-data.yaml")
  meta_data      = file("${path.module}/cloud-init/meta-data.yaml")
}

# Create VM volumes from base image
resource "libvirt_volume" "vm_disk" {
  count          = var.vm_count
  name           = "vm-${count.index + 1}-disk.qcow2"
  pool           = var.pool_name
  base_volume_id = libvirt_volume.base_image.id
  size           = var.disk_size
}

# Create VMs
resource "libvirt_domain" "vm" {
  count  = var.vm_count
  name   = "vm-${count.index + 1}"
  memory = var.memory
  vcpu   = var.vcpu

  cloudinit = libvirt_cloudinit_disk.cloudinit.id

  network_interface {
    network_name   = "default"
    wait_for_lease = true
  }

  disk {
    volume_id = libvirt_volume.vm_disk[count.index].id
  }

  console {
    type        = "pty"
    target_port = "0"
    target_type = "serial"
  }

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