.

terraform/environments/dev/main.tf

@@ -1,3 +1,8 @@
+# À vous de :
+# 1. Configurer le provider google
+# 2. Appeler les trois modules avec les bonnes variables
+# 3. Créer le fichier de configuration Ansible (template)
+
 terraform {
   required_providers {
     google = {
@@ -20,5 +25,18 @@ module "network" {
   backend_cidr     = var.backend_cidr
   database_cidr    = var.database_cidr
   ssh_source_ranges = var.ssh_source_ranges
+}
 
+module "compute" {
+  source           = "../../modules/compute"
+  instance_type    = var.instance_type
+  zone             = var.zone
+  frontend_subnet_id = module.network.subnets.frontend
+  backend_subnet_id = module.network.subnets.backend
+  database_subnet_id = module.network.subnets.database
+}
+
+module "iam" {
+  source          = "../../modules/iam"
+  project_id      = var.project_id
 }

terraform/environments/dev/variables.tf

@@ -1,13 +1,14 @@
-# Commentaire
+# définissez toutes les variables nécessaires avec des valeurs par défaut appropriées.
+
 variable "project_name" {
+  description = "Nom du projet"
   type        = string
-  description = "but3-iac"
-  default     = "Automaticsearch"
+  default     = "My First Project"
 }
 
 variable "region" {
+  description = "Region du projet"
   type        = string
-  description = "Région dans laquelle déployer les ressources"
   default     = "europe-west9"
 }
 
@@ -30,17 +31,25 @@ variable "database_cidr" {
 }
 
 variable "ssh_source_ranges" {
+  description = ""
   type        = string
-  description = "Plages d’adresses autorisées à se connecter en SSH"
-  default  = "0.0.0.0/0"
-
+  default     = "0.0.0.0/0"
 }
 
+variable "project_id" {
+  description = "ID du projet"
+  type        = string
+  default     = "plenary-plane-478713-q1"
+}
 
-variable "project_id"{
-    description = "id du projet"
-    type = string
-    default = "plenary-plane-478713-q1" 
-
+variable "instance_type" {
+  description = "type de l'instance"
+  type = string
+  default = "e2-small"
+}
 
+variable "zone" {
+  description = "Nom de la zone"
+  type = string
+  default = "europe-west9-b"
 }

terraform/modules/compute/main.tf

@@ -1,5 +1,28 @@
+# À vous de créer :
+
+# 1. Instance frontend :
+#    - Image : debian-11
+#    - Disque : 10GB
+#    - IP publique
+#    - Tags : frontend, ssh
+#    - OS Login enabled
+
+# 2. Instance backend :
+#    - Image : debian-11
+#    - Disque : 10GB
+#    - Pas d'IP publique (interne seulement)
+#    - Tags : backend, ssh
+#    - OS Login enabled
+
+# 3. Instance database :
+#    - Image : debian-11
+#    - Disque : 20GB
+#    - Pas d'IP publique
+#    - Tags : database, ssh
+#    - OS Login enabled
+
 resource "google_compute_instance" "vm_frontend" {
-  name         = "frontend-instance"
+  name         = "vm-frontend"
   machine_type = var.instance_type
   zone         = var.zone
 
@@ -10,14 +33,12 @@ resource "google_compute_instance" "vm_frontend" {
     }
   }
 
-  
   network_interface {
+    access_config {} # IP publique
     subnetwork = var.frontend_subnet_id
-
-    access_config {}  
   }
 
-  tags= ["frontend", "ssh"]
+  tags = ["frontend", "ssh"]
 
   metadata = {
     enable-oslogin = "TRUE"
@@ -25,7 +46,7 @@ resource "google_compute_instance" "vm_frontend" {
 }
 
 resource "google_compute_instance" "vm_backend" {
-  name         = "backend-instance"
+  name         = "vm-backend"
   machine_type = var.instance_type
   zone         = var.zone
 
@@ -36,24 +57,21 @@ resource "google_compute_instance" "vm_backend" {
     }
   }
 
-  
   network_interface {
     subnetwork = var.backend_subnet_id
-
   }
 
-    tags = ["backend", "ssh"]
+  tags = ["backend", "ssh"]
 
-    metadata = {
-        enable-oslogin = "TRUE"
-    }
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
 }
 
 resource "google_compute_instance" "vm_database" {
-  name         = "database-instance"
+  name         = "vm-database"
   machine_type = var.instance_type
   zone         = var.zone
-  
 
   boot_disk {
     initialize_params {
@@ -62,15 +80,13 @@ resource "google_compute_instance" "vm_database" {
     }
   }
 
-  
   network_interface {
     subnetwork = var.database_subnet_id
-
   }
 
-    tags = ["database", "ssh"]
+  tags = ["database", "ssh"]
 
   metadata = {
     enable-oslogin = "TRUE"
   }
-}
+}

terraform/modules/compute/outputs.tf

@@ -1,3 +1,8 @@
+# À vous d'exposer :
+# 1. Les IPs internes de toutes les instances
+# 2. L'IP publique du frontend
+# 3. Les noms des instances
+
 output "ip_internes" {
   value = {
     frontend = google_compute_instance.vm_frontend.network_interface[0].network_ip
@@ -16,4 +21,4 @@ output "nom_instances" {
     backend = google_compute_instance.vm_backend.name
     database = google_compute_instance.vm_database.name
   }
-}
+}

terraform/modules/compute/variables.tf

@@ -1,27 +1,31 @@
+# À vous de définir les variables pour :
+# - instance_type
+# - zone
+# - frontend_subnet_id
+# - backend_subnet_id
+# - database_subnet_id
+
 variable "instance_type" {
-  description = "Type de machine à utiliser pour les instances"
-  type        = string
-  
+  description = "type de l'instance"
+  type = string
 }
 
 variable "zone" {
-  description = "Zone où déployer les instances"
-  type        = string
+  description = "Nom de la zone"
+  type = string
 }
 
 variable "frontend_subnet_id" {
-  description = "ID du sous-réseau frontend"
-  type        = string
+  description = "id du frontend"
+  type = string
 }
 
 variable "backend_subnet_id" {
-  description = "ID du sous-réseau backend"
-  type        = string
+  description = "id du backend"
+  type = string
 }
 
 variable "database_subnet_id" {
-  description = "ID du sous-réseau database"
-  type        = string
+  description = "id du database"
+  type = string
 }
-
-

terraform/modules/iam/main.tf

@@ -0,0 +1,33 @@
+# À vous de créer :
+# 1. Un compte de service pour Terraform
+# 2. Une clé pour ce compte de service
+# 3. Les rôles IAM nécessaires
+# 4. La configuration OS Login avec votre clé SSH
+
+resource "google_service_account" "service_account" {
+  account_id   = "terraform"
+  display_name = "terraform"
+}
+
+resource "google_service_account_key" "mykey" {
+  service_account_id = google_service_account.service_account.name
+  public_key_type    = "TYPE_X509_PEM_FILE"
+}
+
+resource "google_project_iam_binding" "custom_service_account" {
+  project = var.project_id
+  role    = "roles/viewer"
+
+  members = [
+    "serviceAccount:${google_service_account.service_account.email}",
+  ]
+}
+
+data "google_client_openid_userinfo" "me" {
+}
+
+resource "google_os_login_ssh_public_key" "cache" {
+  user    = data.google_client_openid_userinfo.me.email
+  key     = file("~/.ssh/id_ed25519.pub")
+  project = var.project_id
+}

terraform/modules/iam/outputs.tf

@@ -1,10 +1,14 @@
-output "service_account_email"{
-    description = "Service account email"
-    value = google.service.account.myaccount.email
+# À vous d'exposer :
+# 1. L'email du compte de service
+# 2. La clé du compte de service (sensitive = true)
+
+output "email" {
+  description = "Service account email."
+  value       = google_service_account.service_account.email
 }
 
-output "service_account_key"{
-    description = "Service key"
-    sensitive = true
-    value = google.service.account.mykey.private_key
-}
+output "key" {
+  description = "Service account private key."
+  sensitive   = true
+  value       = google_service_account_key.mykey.private_key
+}

terraform/modules/iam/variables.tf

@@ -0,0 +1,7 @@
+# À vous de définir :
+# - project_id (string)
+
+variable "project_id" {
+  description = "ID du projet"
+  type        = string
+}

terraform/modules/network/main.tf

@@ -1,87 +1,88 @@
-resource "google_compute_network" "vpc" {
-  name                    = "mon-vpc"
+# À vous de créer :
+# 1. Un VPC personnalisé avec auto_create_subnetworks = false
+# 2. Trois sous-réseaux (frontend, backend, database)
+# 3. Règles de firewall :
+#    - HTTP/HTTPS vers frontend
+#    - SSH vers toutes les instances
+#    - Port 8000 de frontend vers backend
+#    - Port 3306 de backend vers database
+
+# VPC
+resource "google_compute_network" "vpc_terraform" {
+  name                    = "vpc-terraform-2"
   auto_create_subnetworks = false
 }
 
 # Sous-réseau
-resource "google_compute_subnetwork" "frontend_network" {
-  name          = "mon-frontend"
-  network       = google_compute_network.vpc.id
+resource "google_compute_subnetwork" "subnet_frontend" {
+  name          = "frontend-2"
+  network       = google_compute_network.vpc_terraform.id
   ip_cidr_range = var.frontend_cidr
   region        = var.region
 }
 
-resource "google_compute_subnetwork" "backend_network" {
-  name          = "mon-backend"
-  network       = google_compute_network.vpc.id
+resource "google_compute_subnetwork" "subnet_backend" {
+  name          = "backend-2"
+  network       = google_compute_network.vpc_terraform.id
   ip_cidr_range = var.backend_cidr
   region        = var.region
 }
 
-resource "google_compute_subnetwork" "database_network" {
-  name          = "mon-database"
-  network       = google_compute_network.vpc.id
+resource "google_compute_subnetwork" "subnet_database" {
+  name          = "database-2"
+  network       = google_compute_network.vpc_terraform.id
   ip_cidr_range = var.database_cidr
   region        = var.region
 }
 
-resource "google_compute_firewall" "ssh_firewall" {
-  name    = "mon-ssh"
-  network = google_compute_network.vpc.id
+resource "google_compute_firewall" "allow_user_frontend" {
+  name    = "allow-user-frontend-2"
+  network = google_compute_network.vpc_terraform.id
 
-   allow {
-    protocol = "tcp"
-    ports    = ["22"]
-  }
-
-  source_ranges = ["0.0.0.0/0"]
-  target_tags = ["ssh"]
- 
-}
-
-
-resource "google_compute_firewall" "frontend_firewall" {
-  name    = "frontend"
-  network = google_compute_network.vpc.id
-
-   allow {
+  allow {
     protocol = "tcp"
     ports    = ["80", "443"]
   }
 
   source_ranges = ["0.0.0.0/0"]
-  target_tags = ["frontend"]
- 
+  target_tags   = ["frontend"]
 }
 
-resource "google_compute_firewall" "backend_firewall" {
-  name    = "backend"
-  network = google_compute_network.vpc.id
+resource "google_compute_firewall" "allow_frontend_backend" {
+  name    = "allow-frontend-backend-2"
+  network = google_compute_network.vpc_terraform.id
 
-   allow {
+  allow {
     protocol = "tcp"
     ports    = ["8000"]
   }
 
   source_tags = ["frontend"]
-  target_tags = ["backend"]
-  
+  target_tags   = ["backend"]
 }
 
-resource "google_compute_firewall" "database_firewall" {
-  name    = "database"
-  network = google_compute_network.vpc.id
+resource "google_compute_firewall" "allow_ssh_all" {
+  name    = "allow-ssh-all-2"
+  network = google_compute_network.vpc_terraform.id
 
-   allow {
+  allow {
+    protocol = "tcp"
+    ports    = ["22"]
+  }
+
+  source_ranges = ["0.0.0.0/0"]
+  target_tags   = ["ssh"]
+}
+
+resource "google_compute_firewall" "allow_backend_database" {
+  name    = "allow-backend-database-2"
+  network = google_compute_network.vpc_terraform.id
+
+  allow {
     protocol = "tcp"
     ports    = ["3306"]
   }
 
   source_tags = ["backend"]
-  target_tags = ["database"]
-  
-}
-
-
-
-
+  target_tags   = ["database"]
+}

terraform/modules/network/outputs.tf

@@ -1,17 +1,15 @@
-output "vpc_terraform" {
-  description = "ID du VPC créé"
-  value = google_compute_network.vpc.id
+# À vous d'exposer :
+# 1. L'ID du VPC
+# 2. Les IDs des sous-réseaux sous forme de map
 
+output "vpc" {
+  value = google_compute_network.vpc_terraform.id
 }
 
-
-output "subnet_ids" {
-    description = "Map des IDs des sous-réseaux"
+output "subnets" {
     value = {
-
-        frontend = google_compute_subnetwork.frontend_network.id
-        backend = google_compute_subnetwork.backend_network.id
-        database = google_compute_subnetwork.database_network.id
+        frontend = google_compute_subnetwork.subnet_frontend.id
+        backend = google_compute_subnetwork.subnet_backend.id
+        database = google_compute_subnetwork.subnet_database.id
     }
-  
-}
+}

terraform/modules/network/variables.tf

@@ -1,36 +1,37 @@
+# À vous de définir les variables pour :
+# - project_name (string)
+# - region (string)
+# - frontend_cidr (string)
+# - backend_cidr (string)
+# - database_cidr (string)
+# - ssh_source_ranges (string)
+
 variable "project_name" {
+  description = "Nom du projet"
   type        = string
-  description = "but3-iac"
-  
 }
 
 variable "region" {
+  description = "Region du projet"
   type        = string
-  description = "Région dans laquelle déployer les ressources"
-  
 }
 
 variable "frontend_cidr" {
   description = "CIDR for frontend subnet"
   type        = string
-  
 }
 
 variable "backend_cidr" {
   description = "CIDR for backend subnet"
   type        = string
-  
 }
 
 variable "database_cidr" {
   description = "CIDR for database subnet"
   type        = string
-  
 }
 
 variable "ssh_source_ranges" {
-  description = "Plages d’adresses autorisées à se connecter en SSH"
+  description = ""
   type        = string
-  
-
-}
+}