Remove deprecation Warning, but UUID of port needs to be assigned, throws an error in current state

terraform/lab1/lab1.tf

 # Define CloudComp group number
 variable "group_number" {
   type = string
-  default = "<number of your group here, private-cloud is only reachable via vpn>"
+  default = "32"
 }
 
 ## OpenStack credentials can be used in a more secure way by using
@@ -13,8 +13,8 @@ variable "group_number" {
 # Define OpenStack credentials, project config etc.
 locals {
   auth_url        = "https://10.32.4.182:5000/v3"
-  user_name       = "CloudComp${var.group_number}"
-  user_password = "<password of your group here, private-cloud is only reachable via vpn>"
+  user_name       = "CloudComp32"
+  user_password = "demo"
   tenant_name     = "CloudComp${var.group_number}"
   #network_name    = "CloudComp${var.group_number}-net"
   router_name     = "CloudComp${var.group_number}-router"
@@ -116,6 +116,16 @@ resource "openstack_networking_subnet_v2" "terraform-subnet-1" {
   dns_nameservers = local.dns_nameservers
 }
 
+resource "openstack_networking_port_v2" "port_1" {
+  name            = "port_1"
+  network_id      = openstack_networking_network_v2.terraform-network-1.id
+  admin_state_up  = "true"
+
+  fixed_ip {
+  subnet_id = openstack_networking_subnet_v2.terraform-subnet-1.id
+  }
+}
+
 data "openstack_networking_router_v2" "router-1" {
   name = local.router_name
 }
@@ -176,12 +186,12 @@ resource "openstack_networking_floatingip_v2" "fip_1" {
   pool    = local.floating_net
 }
 
-resource "openstack_compute_floatingip_associate_v2" "terraform-instance-1-ip" {
+resource "openstack_networking_floatingip_associate_v2" "terraform-instance-1-ip" {
   floating_ip = openstack_networking_floatingip_v2.fip_1.address
-  instance_id = openstack_compute_instance_v2.terraform-instance-1.id
+  port_id     = "port_1"
 }
 
-# does not work, though openstack_compute_floatingip_associate_v2 is deprecated, 
+# does work, though openstack_compute_floatingip_associate_v2 is deprecated, 
 # openstack_compute_instance_v2.terraform-instance-1.network[0].port is empty after instance creation: ""
 #
 #resource "openstack_networking_floatingip_associate_v2" "terraform-instance-1-ip" {