locals {
  vm_data = {
    vm_tag_data = {
      for k, v in var.instances :
      k => {
        node_name = v.node_name
        vm_name   = v.vm_name
        tags      = v.vm_tags
      }
    }
  }
}

resource "local_file" "vm_data" {
  filename = var.filename
  content  = yamlencode(local.vm_data)
}