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Files
but3-iac-dick/terraform/modules/network/main.tf
2025-12-04 11:03:27 +01:00

102 lines
2.6 KiB
HCL

resource "google_compute_network" "vpc" {
name = "${var.project_name}-vpc"
auto_create_subnetworks = false
}
resource "google_compute_subnetwork" "frontend_network" {
name = "${var.project_name}-frontend-subnet"
network = google_compute_network.vpc.id
ip_cidr_range = var.frontend_cidr
region = var.region
}
resource "google_compute_subnetwork" "backend_network" {
name = "${var.project_name}-backend-subnet"
network = google_compute_network.vpc.id
ip_cidr_range = var.backend_cidr
region = var.region
}
resource "google_compute_subnetwork" "database_network" {
name = "${var.project_name}-database-subnet"
network = google_compute_network.vpc.id
ip_cidr_range = var.database_cidr
region = var.region
}
resource "google_compute_firewall" "ssh_firewall" {
name = "${var.project_name}-ssh"
network = google_compute_network.vpc.name
direction = "INGRESS"
priority = 1000
target_tags = ["ssh"]
source_ranges = [var.ssh_source_ranges]
allow {
protocol = "tcp"
ports = ["22"]
}
}
resource "google_compute_firewall" "frontend_firewall" {
name = "${var.project_name}-frontend-http-https"
network = google_compute_network.vpc.name
direction = "INGRESS"
priority = 1000
target_tags = ["frontend"]
source_ranges = ["0.0.0.0/0"]
allow {
protocol = "tcp"
ports = ["80", "443"]
}
}
resource "google_compute_firewall" "backend_firewall" {
name = "${var.project_name}-frontend-to-backend-8000"
network = google_compute_network.vpc.name
direction = "INGRESS"
priority = 1000
target_tags = ["backend"]
source_tags = ["frontend"]
allow {
protocol = "tcp"
ports = ["8000"]
}
}
resource "google_compute_firewall" "database_firewall" {
name = "${var.project_name}-backend-to-database-3306"
network = google_compute_network.vpc.name
direction = "INGRESS"
priority = 1000
target_tags = ["database"]
source_tags = ["backend"]
allow {
protocol = "tcp"
ports = ["3306"]
}
}
resource "google_compute_router" "nat_router" {
name = "${var.project_name}-nat-router"
region = var.region
network = google_compute_network.vpc.id
}
resource "google_compute_router_nat" "nat_config" {
name = "${var.project_name}-cloud-nat"
router = google_compute_router.nat_router.name
region = var.region
nat_ip_allocate_option = "AUTO_ONLY"
source_subnetwork_ip_ranges_to_nat = "ALL_SUBNETWORKS_ALL_IP_RANGES"
log_config {
enable = true
filter = "ALL"
}
}