Added the end of TP

terraform/modules/compute/main.tf

@@ -0,0 +1,69 @@
+resource "google_compute_instance" "vm_front" {
+  name         = "vm-front"
+  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 {} # IP publique
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_back" {
+  name         = "vm-back"
+  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_db" {
+  name         = "vm-db"
+  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 = ["db", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}

terraform/modules/compute/outputs.tf

@@ -0,0 +1,22 @@
+output "internal_ips" {
+  value = {
+    frontend = google_compute_instance.vm_front.network_interface.0.network_ip
+    backend  = google_compute_instance.vm_back.network_interface.0.network_ip
+    database = google_compute_instance.vm_db.network_interface.0.network_ip
+  }
+  description = "Internal ips of instances"
+}
+
+output "public_ip" {
+  value = google_compute_instance.vm_front.network_interface.0.access_config.0.nat_ip
+}
+
+output "instance_names" {
+  value = {
+    frontend = google_compute_instance.vm_front.name
+    backend  = google_compute_instance.vm_back.name
+    database = google_compute_instance.vm_db.name
+  }
+  description = "Name of instances"
+}
+

terraform/modules/compute/variables.tf

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+variable "instance_type" {
+  description = "GCP Instance type"
+  type        = string
+  default     = "e2-small"
+}
+
+variable "zone" {
+  description = "GCP Zone"
+  type        = string
+  default     = "europe-west1-b"
+}
+
+variable "frontend_subnet_id" {
+  description = "Frontend subnet ID"
+  type        = string
+  default     = "frontend"
+}
+
+variable "backend_subnet_id" {
+  description = "Backend subnet ID"
+  type        = string
+  default     = "backend"
+}
+
+variable "database_subnet_id" {
+  description = "Database subnet ID"
+  type        = string
+  default     = "database"
+}