feat: compute module

terraform/modules/compute/main.tf

@@ -0,0 +1,67 @@
+resource "google_compute_instance" "frontend-vm" {
+    name         = "frontend-vm"
+    machine_type = var.instance_type
+    zone         = var.zone
+
+    boot_disk {
+        initialize_params {
+            image = "debian-cloud/debian-11"
+            size  = 10
+        }
+    }
+
+    network_interface {
+        access_config {}
+        subnetwork = var.frontend_subnet_id
+    }
+
+    tags = ["frontend", "ssh"]
+
+    metadata = {
+        enable-oslogin = "TRUE"
+    }
+}
+
+resource "google_compute_instance" "backend-vm" {
+    name         = "backend-vm"
+    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" "database-vm" {
+    name         = "database-vm"
+    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"
+    }
+}

terraform/modules/compute/outputs.tf

@@ -0,0 +1,22 @@
+output "internal_ips" {
+    description = "IPs internes de toutes les instances"
+    value = {
+        frontend = google_compute_instance.frontend-vm.network_interface[0].network_ip
+        backend  = google_compute_instance.backend-vm.network_interface[0].network_ip
+        database = google_compute_instance.database-vm.network_interface[0].network_ip
+    }
+}
+
+output "frontend_public_ip" {
+    description = "IP publique du frontend"
+    value       = google_compute_instance.frontend-vm.network_interface[0].access_config[0].nat_ip
+}
+
+output "instance_names" {
+    description = "Noms des instances"
+    value = {
+        frontend = google_compute_instance.frontend-vm.name
+        backend  = google_compute_instance.backend-vm.name
+        database = google_compute_instance.database-vm.name
+    }
+}

terraform/modules/compute/variables.tf

@@ -0,0 +1,24 @@
+variable "instance_type" {
+    description = "Type d'instance"
+    type        = string
+}
+
+variable "zone" {
+    description = "Zone GCP des instances"
+    type        = string
+}
+
+variable "frontend_subnet_id" {
+    description = "ID du sous-réseau frontend"
+    type        = string
+}
+
+variable "backend_subnet_id" {
+    description = "ID du sous-réseau backend"
+    type        = string
+}
+
+variable "database_subnet_id" {
+    description = "ID du sous-réseau database"
+    type        = string
+}