Add: Compute in modules

terraform/environments/dev/main.tf

@@ -0,0 +1,24 @@
+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "~> 6.12.0"
+    }
+  }
+}
+
+provider "google" {
+  project = var.project_id
+  region  = var.region
+}
+
+module "network" {
+  source            = "../../modules/network"
+  project_name      = var.project_name
+  region           = var.region
+  frontend_cidr    = var.frontend_cidr
+  backend_cidr     = var.backend_cidr
+  database_cidr    = var.database_cidr
+  ssh_source_ranges = var.ssh_source_ranges
+
+}

terraform/environments/dev/variables.tf

@@ -0,0 +1,46 @@
+# Commentaire
+variable "project_name" {
+  type        = string
+  description = "but3-iac"
+  default     = "Automaticsearch"
+}
+
+variable "region" {
+  type        = string
+  description = "Région dans laquelle déployer les ressources"
+  default     = "europe-west9"
+}
+
+variable "frontend_cidr" {
+  description = "CIDR for frontend subnet"
+  type        = string
+  default     = "10.0.1.0/24"
+}
+
+variable "backend_cidr" {
+  description = "CIDR for backend subnet"
+  type        = string
+  default     = "10.0.2.0/24"
+}
+
+variable "database_cidr" {
+  description = "CIDR for database subnet"
+  type        = string
+  default     = "10.0.3.0/24"
+}
+
+variable "ssh_source_ranges" {
+  type        = string
+  description = "Plages d’adresses autorisées à se connecter en SSH"
+  default  = "0.0.0.0/0"
+
+}
+
+
+variable "project_id"{
+    description = "id du projet"
+    type = string
+    default = "automaticsearch-477610" 
+
+
+}

terraform/modules/compute/main.tf

@@ -0,0 +1,76 @@
+resource "google_compute_instance" "vm_frontend" {
+  name         = "frontend-instance"
+  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 {}  
+  }
+
+  tags= ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
+}
+
+resource "google_compute_instance" "vm_backend" {
+  name         = "backend-instance"
+  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_database" {
+  name         = "database-instance"
+  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 +1,19 @@
+output "ip_internes" {
+  value = {
+    frontend = google_compute_instance.vm_frontend.network_interface[0].network_ip
+    backend  = google_compute_instance.vm_backend.network_interface[0].network_ip
+    database = google_compute_instance.vm_database.network_interface[0].network_ip
+  }
+}
+
+output "ip_public_frontend" {
+  value = google_compute_instance.vm_frontend.network_interface[0].access_config[0].nat_ip
+}
+
+output "nom_instances" {
+  value = {
+    frontend = google_compute_instance.vm_frontend.name
+    backend = google_compute_instance.vm_backend.name
+    database = google_compute_instance.vm_database.name
+  }
+}

terraform/modules/compute/variables.tf

@@ -0,0 +1,27 @@
+variable "instance_type" {
+  description = "Type de machine à utiliser pour les instances"
+  type        = string
+  
+}
+
+variable "zone" {
+  description = "Zone où déployer les 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
+}
+
+

terraform/modules/network/main.tf

@@ -0,0 +1,87 @@
+resource "google_compute_network" "vpc" {
+  name                    = "mon-vpc"
+  auto_create_subnetworks = false
+}
+
+# Sous-réseau
+resource "google_compute_subnetwork" "frontend_network" {
+  name          = "mon-frontend"
+  network       = google_compute_network.vpc.id
+  ip_cidr_range = var.frontend_cidr
+  region        = var.region
+}
+
+resource "google_compute_subnetwork" "backend_network" {
+  name          = "mon-backend"
+  network       = google_compute_network.vpc.id
+  ip_cidr_range = var.backend_cidr
+  region        = var.region
+}
+
+resource "google_compute_subnetwork" "database_network" {
+  name          = "mon-database"
+  network       = google_compute_network.vpc.id
+  ip_cidr_range = var.database_cidr
+  region        = var.region
+}
+
+resource "google_compute_firewall" "ssh_firewall" {
+  name    = "mon-ssh"
+  network = google_compute_network.vpc.id
+
+   allow {
+    protocol = "tcp"
+    ports    = ["22"]
+  }
+
+  source_ranges = ["0.0.0.0/0"]
+  target_tags = ["ssh"]
+ 
+}
+
+
+resource "google_compute_firewall" "frontend_firewall" {
+  name    = "frontend"
+  network = google_compute_network.vpc.id
+
+   allow {
+    protocol = "tcp"
+    ports    = ["80", "443"]
+  }
+
+  source_ranges = ["0.0.0.0/0"]
+  target_tags = ["frontend"]
+ 
+}
+
+resource "google_compute_firewall" "backend_firewall" {
+  name    = "backend"
+  network = google_compute_network.vpc.id
+
+   allow {
+    protocol = "tcp"
+    ports    = ["8000"]
+  }
+
+  source_tags = ["frontend"]
+  target_tags = ["backend"]
+  
+}
+
+resource "google_compute_firewall" "database_firewall" {
+  name    = "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 +1,17 @@
+output "vpc_terraform" {
+  description = "ID du VPC créé"
+  value = google_compute_network.vpc.id
+
+}
+
+
+output "subnet_ids" {
+    description = "Map des IDs des sous-réseaux"
+    value = {
+
+        frontend = google_compute_subnetwork.frontend_network.id
+        backend = google_compute_subnetwork.backend_network.id
+        database = google_compute_subnetwork.database_network.id
+    }
+  
+}

terraform/modules/network/variables.tf

@@ -0,0 +1,36 @@
+variable "project_name" {
+  type        = string
+  description = "but3-iac"
+  
+}
+
+variable "region" {
+  type        = string
+  description = "Région dans laquelle déployer les ressources"
+  
+}
+
+variable "frontend_cidr" {
+  description = "CIDR for frontend subnet"
+  type        = string
+  
+}
+
+variable "backend_cidr" {
+  description = "CIDR for backend subnet"
+  type        = string
+  
+}
+
+variable "database_cidr" {
+  description = "CIDR for database subnet"
+  type        = string
+  
+}
+
+variable "ssh_source_ranges" {
+  description = "Plages d’adresses autorisées à se connecter en SSH"
+  type        = string
+  
+
+}