forked from pierront/but3-iac
94 lines
2.6 KiB
HCL
94 lines
2.6 KiB
HCL
# 1. VPC personnalisé
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resource "google_compute_network" "vpc_network" {
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project = var.project_id
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name = "three-tier-vpc"
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auto_create_subnetworks = false # Exigence respectée
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routing_mode = "REGIONAL"
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}
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# 2. Sous-réseaux (frontend, backend, database)
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resource "google_compute_subnetwork" "frontend_subnet" {
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project = var.project_id
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name = "frontend-subnet"
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ip_cidr_range = var.frontend_cidr
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region = var.region
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network = google_compute_network.vpc_network.id
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}
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resource "google_compute_subnetwork" "backend_subnet" {
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project = var.project_id
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name = "backend-subnet"
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ip_cidr_range = var.backend_cidr
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region = var.region
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network = google_compute_network.vpc_network.id
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}
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resource "google_compute_subnetwork" "database_subnet" {
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project = var.project_id
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name = "database-subnet"
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ip_cidr_range = var.database_cidr
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region = var.region
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network = google_compute_network.vpc_network.id
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}
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# 3. Règles de firewall (4 règles)
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# Règle 1: HTTP/HTTPS vers frontend (80, 443)
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resource "google_compute_firewall" "allow_web" {
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project = var.project_id
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name = "allow-http-https-frontend"
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network = google_compute_network.vpc_network.name
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direction = "INGRESS"
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source_ranges = ["0.0.0.0/0"]
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target_tags = ["frontend"]
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allow {
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protocol = "tcp"
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ports = ["80", "443"]
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}
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}
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# Règle 2: SSH vers toutes les instances (22)
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resource "google_compute_firewall" "allow_ssh" {
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project = var.project_id
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name = "allow-ssh-all"
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network = google_compute_network.vpc_network.name
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direction = "INGRESS"
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source_ranges = var.ssh_source_ranges
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target_tags = ["ssh"]
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allow {
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protocol = "tcp"
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ports = ["22"]
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}
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}
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# Règle 3: Port 8000 de frontend vers backend
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resource "google_compute_firewall" "allow_frontend_to_backend" {
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project = var.project_id
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name = "allow-frontend-to-backend-8000"
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network = google_compute_network.vpc_network.name
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direction = "INGRESS"
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source_tags = ["frontend"]
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target_tags = ["backend"]
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allow {
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protocol = "tcp"
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ports = ["8000"]
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}
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}
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# Règle 4: Port 3306 de backend vers database
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resource "google_compute_firewall" "allow_backend_to_database" {
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project = var.project_id
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name = "allow-backend-to-database-3306"
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network = google_compute_network.vpc_network.name
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direction = "INGRESS"
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source_tags = ["backend"]
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target_tags = ["database"]
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allow {
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protocol = "tcp"
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ports = ["3306"]
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}
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} |