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gastonchenet
2025-12-04 09:33:27 +01:00
parent be0ad3ca53
commit cff1cab940
12 changed files with 276 additions and 128 deletions
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57
terraform/modules/network/main.tf
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@@ -1,12 +1,9 @@
// 1. VPC personnalisé
resource "google_compute_network" "vpc" {
name = "${var.project_name}-vpc"
project = var.project_name
auto_create_subnetworks = false
}
// 2. Sous-réseaux
resource "google_compute_subnetwork" "frontend" {
name = "${var.project_name}-frontend-subnet"
project = var.project_name
@@ -31,17 +28,12 @@ resource "google_compute_subnetwork" "database" {
ip_cidr_range = var.database_cidr
}
// 3. Règles de firewall
// 3.1 HTTP/HTTPS vers frontend (depuis Internet)
resource "google_compute_firewall" "frontend_http_https" {
name = "${var.project_name}-fw-frontend-http-https"
project = var.project_name
network = google_compute_network.vpc.name
name = "${var.project_name}-fw-frontend-http-https"
project = var.project_name
network = google_compute_network.vpc.name
description = "Autorise HTTP/HTTPS vers les instances frontend"
direction = "INGRESS"
direction = "INGRESS"
allow {
protocol = "tcp"
@@ -49,61 +41,46 @@ resource "google_compute_firewall" "frontend_http_https" {
}
source_ranges = ["0.0.0.0/0"]
// Les instances frontend devront avoir ce tag
target_tags = ["frontend"]
target_tags = ["frontend"]
}
// 3.2 SSH vers toutes les instances (depuis la plage fournie)
resource "google_compute_firewall" "ssh_all" {
name = "${var.project_name}-fw-ssh-all"
project = var.project_name
network = google_compute_network.vpc.name
name = "${var.project_name}-fw-ssh-all"
project = var.project_name
network = google_compute_network.vpc.name
description = "Autorise SSH vers toutes les instances du VPC"
direction = "INGRESS"
direction = "INGRESS"
allow {
protocol = "tcp"
ports = ["22"]
}
// Une seule CIDR passée en string, on l'enferme dans une liste
source_ranges = [var.ssh_source_ranges]
}
// 3.3 Port 8000 de frontend vers backend
resource "google_compute_firewall" "frontend_to_backend_8000" {
name = "${var.project_name}-fw-frontend-backend-8000"
project = var.project_name
network = google_compute_network.vpc.name
name = "${var.project_name}-fw-frontend-backend-8000"
project = var.project_name
network = google_compute_network.vpc.name
description = "Autorise le trafic TCP 8000 des instances frontend vers backend"
direction = "INGRESS"
direction = "INGRESS"
allow {
protocol = "tcp"
ports = ["8000"]
}
// Le trafic vient des instances taguées 'frontend'
source_tags = ["frontend"]
// Et cible les instances taguées 'backend'
target_tags = ["backend"]
}
// 3.4 Port 3306 de backend vers database
resource "google_compute_firewall" "backend_to_database_3306" {
name = "${var.project_name}-fw-backend-database-3306"
project = var.project_name
network = google_compute_network.vpc.name
name = "${var.project_name}-fw-backend-database-3306"
project = var.project_name
network = google_compute_network.vpc.name
description = "Autorise le trafic TCP 3306 des instances backend vers database"
direction = "INGRESS"
direction = "INGRESS"
allow {
protocol = "tcp"