change hostname

cloud_init.cfg.tftpl

@@ -1,5 +1,5 @@
 #cloud-config
-hostname: ${name}
+hostname: dns
 manage_etc_hosts: true
 ssh_pwauth: false
 disable_root: false

main.tf

@@ -43,7 +43,7 @@ resource "libvirt_domain" "ubuntu" {
 
   network_interface {
     network_name = "dmzbr"
-    hostname     = var.name
+    hostname     = "dns"
     addresses    = ["${var.internal_ip}/24"]
     mac          = "ca:fe:c0:ff:ee:07"
   }