87548f9739
This blueprint creates a networking playground showing a number of different VPC connectivity options: Hub and spoke via HA VPN Hub and spoke via VPC peering Interconnecting two networks via a network virtual appliance (aka NVA) On top of that, this blueprint implements Policy Based Routing (aka PBR) to show how to force all traffic within a VPC to be funneled through an internal network passthrough load balancer, to implement an Intrusion Prevention System (IPS). PBR is enabled in the hub VPC, matching all traffic originating from within that VPC.
106 lines
2.9 KiB
HCL
106 lines
2.9 KiB
HCL
/**
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* Copyright 2023 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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# tfdoc:file:description External VPC.
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module "ext-vpc" {
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source = "../../../modules/net-vpc"
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project_id = module.project.project_id
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name = "ext"
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mtu = 1500
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subnets = [
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{
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name = "ext"
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region = var.region
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ip_cidr_range = var.ip_ranges.ext
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}
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]
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}
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module "nat" {
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source = "../../../modules/net-cloudnat"
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project_id = module.project.project_id
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router_network = module.ext-vpc.name
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region = var.region
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name = "default"
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}
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module "ext-firewall" {
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source = "../../../modules/net-vpc-firewall"
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project_id = module.project.project_id
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network = module.ext-vpc.name
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default_rules_config = {
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admin_ranges = [var.ip_ranges.rfc1918_10]
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ssh_ranges = ["35.235.240.0/20", "35.191.0.0/16", "130.211.0.0/22", "209.85.152.0/22", "209.85.204.0/22"]
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}
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}
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resource "google_compute_route" "ext-rfc1918-10" {
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project = module.project.project_id
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network = module.ext-vpc.name
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name = "ext-rfc1918-10"
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description = "Terraform-managed."
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dest_range = var.ip_ranges.rfc1918_10
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priority = 1000
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next_hop_ilb = module.ext-lb.forwarding_rule_self_links[""]
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}
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module "ext-addresses" {
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source = "../../../modules/net-address"
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project_id = module.project.project_id
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internal_addresses = {
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ext = {
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region = var.region
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subnetwork = module.ext-vpc.subnet_self_links["${var.region}/ext"]
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address = cidrhost(module.ext-vpc.subnet_ips["${var.region}/ext"], -3)
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}
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}
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}
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module "ext-lb" {
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source = "../../../modules/net-lb-int"
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project_id = module.project.project_id
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region = var.region
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name = "ext-lb"
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vpc_config = {
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network = module.ext-vpc.name
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subnetwork = module.ext-vpc.subnet_self_links["${var.region}/ext"]
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}
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forwarding_rules_config = {
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"" = {
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global_access = false
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address = module.ext-addresses.internal_addresses["ext"].address
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}
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}
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backends = [
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{
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failover = false
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group = google_compute_instance_group.nva-a.id
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balancing_mode = "CONNECTION"
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},
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{
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failover = false
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group = google_compute_instance_group.nva-b.id
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balancing_mode = "CONNECTION"
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},
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]
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health_check_config = {
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tcp = {
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port = 22
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}
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}
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}
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