resource "hcloud_server" "private_node" {
  count       = var.server_count
  name        = "web${count.index + 1}"
  image       = var.server_image
  server_type = var.server_type
  location    = var.location
  labels = {
    app = "web"
  }

  ssh_keys = hcloud_ssh_key.main[*].id

  public_net {
    ipv4_enabled = true
    ipv6_enabled = false
  }

  network {
    network_id = hcloud_network.main.id
    ip         = cidrhost(hcloud_network_subnet.main.ip_range, count.index + 3)
  }
  depends_on = [
    hcloud_network_subnet.main
  ]
}

resource "hcloud_network" "main" {
  name     = "main"
  ip_range = var.network_ip_range
}

resource "hcloud_network_subnet" "main" {
  network_id   = hcloud_network.main.id
  type         = "cloud"
  network_zone = var.network_zone
  ip_range     = var.server_subnetwork_ip_range
}

resource "hcloud_ssh_key" "main" {
  count      = length(var.ssh_keys)
  name       = "ssh-key-${count.index}"
  public_key = file(var.ssh_keys[count.index])
}