terraform-libvirt-swarm/cloud-init.tf

data "template_file" "user_data" {
  count = var.node_count
  template = file("${path.module}/files/user_data.cfg")
  vars = {
    pubkey = file("~/.ssh/id_rsa.pub")
  }
}

data "template_file" "meta_data" {
  count = var.node_count
  template = file("${path.module}/files/meta_data.cfg")
  vars = {
    hostname = "swarm-${count.index + 1}"
  }
}

resource "libvirt_cloudinit_disk" "cidata" {
  count = var.node_count
  name = "swarm-${count.index + 1}-cidata.iso"
  user_data = data.template_file.user_data[count.index].rendered
  meta_data = data.template_file.meta_data[count.index].rendered
}