.

terraform/modules/compute/main.tf

@@ -19,4 +19,90 @@
 #    - Disque : 20GB
 #    - Pas d'IP publique
 #    - Tags : database, ssh
-#    - OS Login enabled
+#    - OS Login enabled
+
+resource "google_compute_instance" "frontend" {
+name = "frontend"
+machine_type = var.instance_type
+zone = var.zone
+
+
+boot_disk {
+initialize_params {
+image = "debian-cloud/debian-11"
+size = 10
+}
+}
+
+
+network_interface {
+subnetwork = var.frontend_subnet_id
+
+
+access_config {}
+}
+
+
+metadata = {
+enable-oslogin = "TRUE"
+}
+
+
+tags = ["frontend", "ssh"]
+}
+
+
+resource "google_compute_instance" "backend" {
+name = "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
+}
+
+
+metadata = {
+enable-oslogin = "TRUE"
+}
+
+
+tags = ["backend", "ssh"]
+}
+
+
+resource "google_compute_instance" "database" {
+name = "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
+}
+
+
+metadata = {
+enable-oslogin = "TRUE"
+}
+
+
+tags = ["database", "ssh"]
+}

terraform/modules/compute/outputs.tf

@@ -1,4 +1,32 @@
 # À vous d'exposer :
 # 1. Les IPs internes de toutes les instances
 # 2. L'IP publique du frontend
-# 3. Les noms des instances
+# 3. Les noms des instances
+
+output "frontend_internal_ip" {
+    value = google_compute_instance.frontend.network_interface[0].network_ip
+}
+
+
+output "backend_internal_ip" {
+    value = google_compute_instance.backend.network_interface[0].network_ip
+}
+
+
+output "database_internal_ip" {
+    value = google_compute_instance.database.network_interface[0].network_ip
+}
+
+
+output "frontend_public_ip" {
+    value = google_compute_instance.frontend.network_interface[0].access_config[0].nat_ip
+}
+
+
+output "instance_names" {
+    value = [
+        google_compute_instance.frontend.name,
+        google_compute_instance.backend.name,
+        google_compute_instance.database.name
+    ]
+}

terraform/modules/compute/variables.tf

@@ -3,4 +3,28 @@
 # - zone
 # - frontend_subnet_id
 # - backend_subnet_id
-# - database_subnet_id
+# - database_subnet_id
+
+variable "instance_type" {
+type = string
+}
+
+
+variable "zone" {
+type = string
+}
+
+
+variable "frontend_subnet_id" {
+type = string
+}
+
+
+variable "backend_subnet_id" {
+type = string
+}
+
+
+variable "database_subnet_id" {
+type = string
+}