Première tentative de mise en place

terraform/modules/network/main.tf

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+#réation du réseau VPC
+resource "google_compute_network" "my_vpc" {
+  name                    = "mon-vpc"
+  auto_create_subnetworks = false
+}
+
+# Création des sous-réseaux
+resource "google_compute_subnetwork" "frontend" {
+  name          = "frontend"
+  ip_cidr_range = "10.0.1.0/24"
+  region        = google_compute_network.my_vpc.region
+  network       = google_compute_network.my_vpc.id
+}
+
+resource "google_compute_subnetwork" "backend" {
+  name          = "backend"
+  ip_cidr_range = "10.0.2.0/24"
+  region        = google_compute_network.my_vpc.region
+  network       = google_compute_network.my_vpc.id
+}
+
+resource "google_compute_subnetwork" "database" {
+  name          = "database"
+  ip_cidr_range = "10.0.3.0/24"
+  region        = google_compute_network.my_vpc.region
+  network       = google_compute_network.my_vpc.id
+}
+
+# Création des règles de firewall
+resource "google_compute_firewall" "allow_http_https" {
+  name       = "allow-http-https"
+  network    = google_compute_network.my_vpc.id
+  allowed    = [
+    { IPProtocol = "tcp", ports = ["80", "443"] },
+  ]
+}
+
+resource "google_compute_firewall" "allow_ssh" {
+  name       = "allow-ssh"
+  network    = google_compute_network.my_vpc.id
+  allowed    = [
+    { IPProtocol = "tcp", ports = ["22"] },
+  ]
+}
+
+resource "google_compute_firewall" "frontend_to_backend" {
+  name       = "frontend-to-backend"
+  network    = google_compute_network.my_vpc.id
+  allowed    = [
+    { IPProtocol = "tcp", ports = ["8000"] },
+  ]
+  source_ranges = [
+    google_compute_subnetwork.frontend.ip_cidr_range
+  ]
+  target_tags = ["backend"]
+}
+
+resource "google_compute_firewall" "backend_to_database" {
+  name       = "backend-to-database"
+  network    = google_compute_network.my_vpc.id
+  allowed    = [
+    { IPProtocol = "tcp", ports = ["3306"] },
+  ]
+  source_ranges = [
+    google_compute_subnetwork.backend.ip_cidr_range
+  ]
+  target_tags = ["database"] 
+}

terraform/modules/network/outputs.tf

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+output "vpc_id" {
+  value = google_compute_network.my_vpc.id
+  description = "ID du VPC créé"
+}
+
+output "subnet_ids" {
+  value = {
+    frontend = google_compute_subnetwork.frontend.id
+    backend  = google_compute_subnetwork.backend.id
+    database = google_compute_subnetwork.database.id
+  }
+  description = "Map contenant les IDs des sous-réseaux"
+}

terraform/modules/network/variables.tf

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+# modules/network/variables.tf
+
+variable "project_name" {
+  description = "Nom du projet Google Cloud"
+  type        = string
+  default     = "automatisation-tp"
+}
+
+variable "region" {
+  description = "Région Google Cloud"
+  type        = string
+}
+
+variable "frontend_cidr" {
+  description = "Bloc CIDR pour le sous-réseau frontend"
+  type        = string
+  default     = "10.0.1.0/24"
+}
+
+variable "backend_cidr" {
+  description = "Bloc CIDR pour le sous-réseau backend"
+  type        = string
+  default     = "10.0.2.0/24"
+}
+
+variable "database_cidr" {
+  description = "Bloc CIDR pour le sous-réseau database"
+  type        = string
+  default     = "10.0.3.0/24"
+}