t

terraform/modules/compute/main.tf

@@ -0,0 +1,73 @@
+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.sub1
+    access_config {} # IP publique
+  }
+
+  tags = ["web", "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.sub2
+    access_config {} # IP publique
+  }
+
+  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.sub3
+    access_config {} # IP publique
+  }
+
+  tags = ["database", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+

terraform/modules/compute/variables.tf

@@ -0,0 +1,47 @@
+variable "instance_type" {
+  description = "type d'instance"
+  type        = string
+  default = "e2-micro"
+}
+
+variable "zone" {
+  description = "zone"
+  type        = string
+  default     = "europe-west4-a"
+}
+
+variable "frontend_cidr" {
+  description = "range_front"
+  type        = string
+  default     = "10.0.1.0/24"
+}
+
+variable "backend_cidr" {
+  description = "range_back"
+  type        = string
+  default     = "10.0.2.0/24"
+}
+
+variable "database_cidr" {
+  description = "range_database"
+  type        = string
+  default     = "10.0.3.0/24"
+}
+
+variable "sub1" {
+  description = "subnet front"
+  type        = string
+}
+
+
+variable "sub2" {
+  description = "subnet back"
+  type        = string
+}
+
+
+variable "sub3" {
+  description = "subnet database"
+  type        = string
+}
+

terraform/modules/network/main.tf

@@ -0,0 +1,78 @@
+resource "google_compute_network" "vpc" {
+  name                    = "vpc2"
+  auto_create_subnetworks = false
+}
+
+# Sous-réseau
+resource "google_compute_subnetwork" "subnet_front" {
+  name          = "frontend"
+  network       = google_compute_network.vpc.id
+  ip_cidr_range = var.frontend_cidr
+  region        = var.region
+}
+
+resource "google_compute_subnetwork" "subnet_back" {
+  name          = "backend"
+  network       = google_compute_network.vpc.id
+  ip_cidr_range = var.backend_cidr
+  region        = var.region
+}
+
+resource "google_compute_subnetwork" "subnet_db" {
+  name          = "database"
+  network       = google_compute_network.vpc.id
+  ip_cidr_range = var.database_cidr
+  region        = var.region
+}
+
+resource "google_compute_firewall" "allow_http" {
+  name    = "allow-http"
+  network = google_compute_network.vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["80", "443"]
+  }
+
+  source_ranges = ["0.0.0.0/0"]
+  target_tags   = ["web"]
+}
+
+resource "google_compute_firewall" "allow_ssh" {
+  name    = "allow-ssh"
+  network = google_compute_network.vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["22"]
+  }
+
+  source_ranges = [var.ssh_source_ranges]
+  target_tags   = ["ssh"]
+}
+
+resource "google_compute_firewall" "allow_frontend_to_backend" {
+  name    = "allow-frontend-to-backend"
+  network = google_compute_network.vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["8000"]
+  }
+
+  source_tags = ["web"]
+  target_tags   = ["backend"]
+} 
+
+resource "google_compute_firewall" "allow_backend_to_database" {
+  name    = "allow-backend-to-database"
+  network = google_compute_network.vpc.id
+
+  allow {
+    protocol = "tcp"
+    ports    = ["3306"]
+  }
+
+  source_tags = ["backend"]
+  target_tags   = ["database"]
+}

terraform/modules/network/outputs.tf

@@ -0,0 +1,11 @@
+output "vpc"{
+    value = google_compute_network.vpc.id
+}
+
+output "subnet" {
+  value = {
+    frontend = google_compute_subnetwork.subnet_front.id,
+    backend = google_compute_subnetwork.subnet_back.id,
+    database = google_compute_subnetwork.subnet_db.id
+  }
+}

terraform/modules/network/variables.tf

@@ -0,0 +1,47 @@
+variable "project_id" {
+  description = "ID du projet GCP"
+  type        = string
+  default     = "radiant-pen-442314-f9"
+}
+
+variable "project_name" {
+  description = "nom_du_projet"
+  type        = string
+  default     = "My Project 91685"
+}
+
+variable "region" {
+  description = "region"
+  type        = string
+  default     = "europe-west4"
+}
+
+variable "frontend_cidr" {
+  description = "range_front"
+  type        = string
+  default     = "10.0.1.0/24"
+}
+
+variable "backend_cidr" {
+  description = "range_back"
+  type        = string
+  default     = "10.0.2.0/24"
+}
+
+variable "database_cidr" {
+  description = "range_database"
+  type        = string
+  default     = "10.0.3.0/24"
+}
+
+variable "ssh_source_ranges" {
+  description = "range_ssh"
+  type        = string
+  default     = "0.0.0.0/0"
+}
+
+variable "http_source_ranges" {
+  description = "range_http"
+  type        = string
+  default     = "0.0.0.0/0"
+}