update output example files

output_file_example/nginx_openstack/ansible/config.yaml

 ---
 input:
   - instance_server_public_key
+  - instance_ip
 output: []
 engine: ansible
 ...

output_file_example/nginx_openstack/ansible/nginx.play

 ---
-- hosts: 16.0.0.1
+- hosts: "{{instance_server_public_key}}"
   gather_facts: no
   become: yes
   vars:

output_file_example/nginx_openstack/terraform/config.yaml

@@ -4,4 +4,5 @@ input: []
 output:
   - instance_server_public_key
   - instance_server_private_key
+  - instance_ip
 ...

output_file_example/nginx_openstack/terraform/main.tf

@@ -29,8 +29,8 @@ data "openstack_networking_secgroup_v2" "default" {
 # Create virtual machine
 resource "openstack_compute_instance_v2" "nginx" {
   name        = "nginx-host"
-  image_name  = "ubuntu-18.04"
-  flavor_name = "m1.tiny"
+  image_name  = "Ubuntu-Focal-20.04-Daily-2022-04-19"
+  flavor_name = "ubuntu"
   key_pair    = openstack_compute_keypair_v2.user_key.name
   network {
     port = openstack_networking_port_v2.nginx.id

output_file_example/nginx_openstack/terraform/output.tf

@@ -4,4 +4,8 @@ output "instance_server_public_key" {
 
 output "instance_server_private_key" {
   value = openstack_compute_keypair_v2.user_key.private_key
-}
\ No newline at end of file
+}
+
+output "instance_ip" {
+  value = openstack_compute_floatingip_associate_v2.nginx.floating_ip
+}