*

terraform/environments/dev/main.tf

@@ -26,3 +26,17 @@ module "network" {
   database_cidr    = var.database_cidr
   ssh_source_ranges = var.ssh_source_ranges
 }
+
+module "compute" {
+  source           = "../../modules/compute"
+  instance_type    = var.instance_type
+  zone             = var.zone
+  frontend_subnet_id = module.network.subnets.frontend
+  backend_subnet_id = module.network.subnets.backend
+  database_subnet_id = module.network.subnets.database
+}
+
+module "iam" {
+  source          = "../../modules/iam"
+  project_id      = var.project_id
+}

terraform/environments/dev/variables.tf

@@ -39,5 +39,17 @@ variable "ssh_source_ranges" {
 variable "project_id" {
   description = "ID du projet"
   type        = string
-  default     = "fourth-palisade-478713-i3"
+  default     = "fourth-palisade-478713-i3 "
+}
+
+variable "instance_type" {
+  description = "type de l'instance"
+  type = string
+  default = "e2-small"
+}
+
+variable "zone" {
+  description = "Nom de la zone"
+  type = string
+  default = "europe-west9-b"
 }

terraform/modules/compute/main.tf

@@ -21,88 +21,72 @@
 #    - Tags : database, ssh
 #    - OS Login enabled
 
-resource "google_compute_instance" "frontend" {
-name = "frontend"
-machine_type = var.instance_type
-zone = var.zone
+resource "google_compute_instance" "vm_frontend" {
+  name         = "vm-frontend"
+  machine_type = var.instance_type
+  zone         = var.zone
 
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
 
-boot_disk {
-initialize_params {
-image = "debian-cloud/debian-11"
-size = 10
-}
+  network_interface {
+    access_config {} # IP publique
+    subnetwork = var.frontend_subnet_id
+  }
+
+  tags = ["frontend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
 }
 
+resource "google_compute_instance" "vm_backend" {
+  name         = "vm-backend"
+  machine_type = var.instance_type
+  zone         = var.zone
 
-network_interface {
-subnetwork = var.frontend_subnet_id
+  boot_disk {
+    initialize_params {
+      image = "debian-cloud/debian-11"
+      size  = 10
+    }
+  }
 
+  network_interface {
+    subnetwork = var.backend_subnet_id
+  }
 
-access_config {}
+  tags = ["backend", "ssh"]
+
+  metadata = {
+    enable-oslogin = "TRUE"
+  }
 }
 
+resource "google_compute_instance" "vm_database" {
+  name         = "vm-database"
+  machine_type = var.instance_type
+  zone         = var.zone
 
-metadata = {
-enable-oslogin = "TRUE"
-}
-
-
-tags = ["frontend", "ssh"]
-}
-
-
-resource "google_compute_instance" "backend" {
-name = "backend"
-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
-}
-
-
-metadata = {
-enable-oslogin = "TRUE"
-}
-
-
-tags = ["backend", "ssh"]
-}
-
-
-resource "google_compute_instance" "database" {
-name = "database"
-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
-}
-
-
-metadata = {
-enable-oslogin = "TRUE"
-}
-
-
-tags = ["database", "ssh"]
+  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

@@ -3,30 +3,22 @@
 # 2. L'IP publique du frontend
 # 3. Les noms des instances
 
-output "frontend_internal_ip" {
-    value = google_compute_instance.frontend.network_interface[0].network_ip
+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 "backend_internal_ip" {
-    value = google_compute_instance.backend.network_interface[0].network_ip
+output "ip_public_frontend" {
+  value = google_compute_instance.vm_frontend.network_interface[0].access_config[0].nat_ip
 }
 
-
-output "database_internal_ip" {
-    value = google_compute_instance.database.network_interface[0].network_ip
-}
-
-
-output "frontend_public_ip" {
-    value = google_compute_instance.frontend.network_interface[0].access_config[0].nat_ip
-}
-
-
-output "instance_names" {
-    value = [
-        google_compute_instance.frontend.name,
-        google_compute_instance.backend.name,
-        google_compute_instance.database.name
-    ]
+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

@@ -6,25 +6,26 @@
 # - database_subnet_id
 
 variable "instance_type" {
-type = string
+  description = "type de l'instance"
+  type = string
 }
 
-
 variable "zone" {
-type = string
+  description = "Nom de la zone"
+  type = string
 }
 
-
 variable "frontend_subnet_id" {
-type = string
+  description = "id du frontend"
+  type = string
 }
 
-
 variable "backend_subnet_id" {
-type = string
+  description = "id du backend"
+  type = string
 }
 
-
 variable "database_subnet_id" {
-type = string
+  description = "id du database"
+  type = string
 }

terraform/modules/iam/main.tf

@@ -3,3 +3,30 @@
 # 2. Une clé pour ce compte de service
 # 3. Les rôles IAM nécessaires
 # 4. La configuration OS Login avec votre clé SSH
+
+resource "google_service_account" "service_account" {
+  account_id   = "terraform"
+  display_name = "terraform"
+}
+
+resource "google_service_account_key" "mykey" {
+  service_account_id = google_service_account.service_account.name
+  public_key_type    = "TYPE_X509_PEM_FILE"
+}
+
+resource "google_project_iam_binding" "custom_service_account" {
+  project = var.project_id
+  role    = "roles/view"
+
+  members = [
+    "serviceAccount:${google_service_account.service_account.email}",
+  ]
+}
+
+data "google_client_openid_userinfo" "me" {
+}
+
+resource "google_os_login_ssh_public_key" "cache" {
+  user =  data.google_client_openid_userinfo.me.email
+  key = file("~/.ssh/id_ed25519")
+}

terraform/modules/iam/outputs.tf

@@ -1,3 +1,14 @@
 # À vous d'exposer :
 # 1. L'email du compte de service
 # 2. La clé du compte de service (sensitive = true)
+
+output "email" {
+  description = "Service account email."
+  value = google_service_account.service_account.email
+}
+
+output "key" {
+  description = "Service account key."
+  sensitive   = true
+  value       = google_service_account.service_account.key
+}

terraform/modules/iam/variables.tf

@@ -1,2 +1,7 @@
 # À vous de définir :
 # - project_id (string)
+
+variable "project_id" {
+  description = "ID du projet"
+  type        = string
+}

terraform/modules/network/outputs.tf

@@ -2,11 +2,11 @@
 # 1. L'ID du VPC
 # 2. Les IDs des sous-réseaux sous forme de map
 
-output "vpc_terraform_output" {
+output "vpc" {
   value = google_compute_network.vpc_terraform.id
 }
 
-output "list_id" {
+output "subnets" {
     value = {
         frontend = google_compute_subnetwork.subnet_frontend.id
         backend = google_compute_subnetwork.subnet_backend.id