Terraform wait for floating IP instance has been associated (#4321)

* Add wait for floating ip associate with instance

* Terraform formatting fix

* Sort Open Telekom Cloud in compatible list

contrib/terraform/openstack/variables.tf

@@ -125,6 +125,11 @@ variable "floatingip_pool" {
   default     = "external"
 }
 
+variable "wait_for_floatingip" {
+  description = "Terraform will poll the instance until the floating IP has been associated."
+  default     = "false"
+}
+
 variable "external_net" {
   description = "uuid of the external/public network"
 }