resource "openstack_networking_router_v2" "rt" {
  name                = "rt"
  admin_state_up      = "true"
  external_network_id = var.network_external_id
}

resource "openstack_networking_network_v2" "network_internal" {
  name = var.network_lan
  admin_state_up = "true"
}

resource "openstack_networking_subnet_v2" "network_subnet" {
  name = var.network_lan
  network_id = openstack_networking_network_v2.network_internal.id
  cidr = var.network_subnet_cidr
  ip_version = 4
  enable_dhcp = true
  dns_nameservers = ["1.1.1.1"]
}

resource "openstack_networking_router_interface_v2" "network_router_interface" {
  router_id = openstack_networking_router_v2.rt.id
  subnet_id = openstack_networking_subnet_v2.network_subnet.id
}

resource "openstack_networking_floatingip_v2" "d2_fip" {
  pool = "Ext-Net"
}

resource "openstack_compute_keypair_v2" "instance_keypair" {
  provider   = openstack.ovh
  name       = "instance_keypair"
  public_key = file(var.ssh_pubkey)
}

resource "openstack_compute_instance_v2" "instance" {
  name        = "d2_test"
  provider    = openstack.ovh
  image_name  = "Debian 12"
  flavor_name = "d2-4"
  key_pair    = openstack_compute_keypair_v2.instance_keypair.name
  user_data = var.cloudinit_script
  network {
    name      = var.network_lan
  }

  depends_on = [ openstack_networking_subnet_v2.network_subnet ]
}

data "openstack_networking_port_v2" "port" {
  device_id  = openstack_compute_instance_v2.instance.id
  network_id = openstack_compute_instance_v2.instance.network.0.uuid
}

resource "openstack_networking_floatingip_associate_v2" "fip_associate" {
  floating_ip = openstack_networking_floatingip_v2.d2_fip.address
  port_id = data.openstack_networking_port_v2.port.id
}