update terraform

ranges/terraform/terraform.md

@@ -67,7 +67,7 @@ terraform destroy
 
 ### Provider Configuration
 
-```hcl
+```yaml
 terraform {
   required_providers {
     openstack = {
@@ -80,11 +80,15 @@ terraform {
 
 ### Resource Blocks
 
-```hcl
-resource "aws_instance" "example" {
-  ami           = "ami-0c55b159cbfafe1f0"
-  instance_type = "t2.micro"
-  
+```yaml
+resource "openstack_compute_instance_v2" "example" {
+  name = "example-instance"
+  image_name = "Ubuntu 20.04"
+  flavor_name = "m1.tiny"
+  network {
+    name = "public"
+  }
+
   tags = {
     Name = "example-instance"
   }
@@ -93,7 +97,7 @@ resource "aws_instance" "example" {
 
 ### Variables
 
-```hcl
+```yaml
 # variables.tf
 variable "instance_type" {
   description = "EC2 instance type"
@@ -109,7 +113,7 @@ resource "aws_instance" "example" {
 
 ### Outputs
 
-```hcl
+```yaml
 output "instance_ip" {
   value = aws_instance.example.public_ip
 }
@@ -117,7 +121,8 @@ output "instance_ip" {
 
 ## Working with State
 
-Exercise 5: State management
+State management
+
 ```sh
 terraform show           # Display current state
 terraform state list    # List resources
@@ -133,7 +138,8 @@ terraform state push    # Upload local state
 
 ## Terraform Workspaces
 
-Exercise 6: Managing environments
+ Managing environments
+
 ```sh
 terraform workspace new dev
 terraform workspace new prod
@@ -141,10 +147,12 @@ terraform workspace select dev
 ```
 
 ## Data Sources
-```hcl
-data "aws_ami" "ubuntu" {
+
+
+```yaml
+data "openstack_compute_image_v2" "ubuntu" {
   most_recent = true
-  
+  name = "Ubuntu 20.04"
   filter {
     name   = "name"
     values = ["ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-*"]
@@ -154,14 +162,17 @@ data "aws_ami" "ubuntu" {
 
 ## Modules
 
-Exercise 7: Create reusable module
-```hcl
+Create reusable module
+```yaml
 # modules/webserver/main.tf
 variable "instance_type" {}
 
-resource "aws_instance" "web" {
-  ami           = data.aws_ami.ubuntu.id
-  instance_type = var.instance_type
+resource "openstack_compute_instance_v2" "web" {
+  image_name = "Ubuntu 20.04"
+  flavor_name = "m1.tiny"
+  network {
+    name = "public"
+  }
 }
 
 # Root main.tf