From bdbf44c6c3e3abd571796f1feb734f737038bb5b Mon Sep 17 00:00:00 2001
From: kara-mosr <riad.kara-mostefa@etu.u-pec.fr>
Date: Thu, 4 Dec 2025 09:10:40 +0100
Subject: [PATCH] ajout compute

---
 terraform/environments/dev/main.tf      |  9 +++
 terraform/environments/dev/variables.tf | 12 ++++
 terraform/modules/compute/main.tf       | 92 +++++++++++++++++++++++++
 terraform/modules/compute/outputs.tf    | 24 +++++++
 terraform/modules/compute/variables.tf  | 31 +++++++++
 5 files changed, 168 insertions(+)

diff --git a/terraform/environments/dev/main.tf b/terraform/environments/dev/main.tf
index ec8f309..000c973 100644
--- a/terraform/environments/dev/main.tf
+++ b/terraform/environments/dev/main.tf
@@ -25,4 +25,13 @@ 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
 }
\ No newline at end of file
diff --git a/terraform/environments/dev/variables.tf b/terraform/environments/dev/variables.tf
index 21a170c..1420336 100644
--- a/terraform/environments/dev/variables.tf
+++ b/terraform/environments/dev/variables.tf
@@ -40,4 +40,16 @@ variable "project_id" {
   description = "ID du projet"
   type        = string
   default     = "learned-trilogy-478713-j7 "
+}
+
+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"
 }
\ No newline at end of file
diff --git a/terraform/modules/compute/main.tf b/terraform/modules/compute/main.tf
index e69de29..306f3c3 100644
--- a/terraform/modules/compute/main.tf
+++ b/terraform/modules/compute/main.tf
@@ -0,0 +1,92 @@
+# 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         = "vm-frontend"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    access_config {} # IP publique
+    subnetwork = var.frontend_subnet_id
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_backend" {
+  name         = "vm-backend"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
+
+  network_interface {
+    subnetwork = var.backend_subnet_id
+  }
+
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_database" {
+  name         = "vm-database"
+  machine_type = var.instance_type
+  zone         = var.zone
+
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 20
+    }
+  }
+
+  network_interface {
+    subnetwork = var.database_subnet_id
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
\ No newline at end of file
diff --git a/terraform/modules/compute/outputs.tf b/terraform/modules/compute/outputs.tf
index e69de29..e685448 100644
--- a/terraform/modules/compute/outputs.tf
+++ b/terraform/modules/compute/outputs.tf
@@ -0,0 +1,24 @@
+# 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
+    backend  = google_compute_instance.vm_backend.network_interface[0].network_ip
+    database = google_compute_instance.vm_database.network_interface[0].network_ip
+  }
+}
+
+output "ip_public_frontend" {
+  value = google_compute_instance.vm_frontend.network_interface[0].access_config[0].nat_ip
+}
+
+output "nom_instances" {
+  value = {
+    frontend = google_compute_instance.vm_frontend.name
+    backend = google_compute_instance.vm_backend.name
+    database = google_compute_instance.vm_database.name
+  }
+}
diff --git a/terraform/modules/compute/variables.tf b/terraform/modules/compute/variables.tf
index e69de29..07ab6ea 100644
--- a/terraform/modules/compute/variables.tf
+++ b/terraform/modules/compute/variables.tf
@@ -0,0 +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 l'instance"
+  type = string
+}
+
+variable "zone" {
+  description = "Nom de la zone"
+  type = string
+}
+
+variable "frontend_subnet_id" {
+  description = "id du frontend"
+  type = string
+}
+
+variable "backend_subnet_id" {
+  description = "id du backend"
+  type = string
+}
+
+variable "database_subnet_id" {
+  description = "id du database"
+  type = string
+}