157 lines
4.5 KiB
HCL
157 lines
4.5 KiB
HCL
# Copyright 2022 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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# https://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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# tfdoc:file:description Creates the VPC and manages the firewall rules and ILB.
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locals {
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internal_addresses = merge(
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local.listeners,
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local.node_ips,
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{
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"${local.prefix}cluster" = {
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region = var.region
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subnetwork = local.subnetwork
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}
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(local.witness_netbios_name) = {
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region = var.region
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subnetwork = local.subnetwork
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}
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}
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)
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internal_address_ips = {
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for k, v in module.ip-addresses.internal_addresses :
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k => v.address
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}
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listeners = {
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for aog in var.always_on_groups : "${local.prefix}lb-${aog}" => {
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region = var.region
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subnetwork = local.subnetwork
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}
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}
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node_ips = {
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for node_name in local.node_netbios_names : node_name => {
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region = var.region
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subnetwork = local.subnetwork
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}
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}
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}
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data "google_compute_zones" "zones" {
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count = var.project_create == null ? 1 : 0
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project = local.vpc_project
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region = var.region
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}
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data "google_compute_subnetwork" "subnetwork" {
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count = var.project_create == null ? 1 : 0
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project = local.vpc_project
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name = var.subnetwork
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region = var.region
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}
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module "vpc" {
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source = "../../../modules/net-vpc"
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project_id = local.vpc_project
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name = var.network
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subnets = var.project_create != null ? [
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{
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ip_cidr_range = var.vpc_ip_cidr_range
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name = var.subnetwork
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region = var.region
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}
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] : []
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vpc_create = var.project_create != null ? true : false
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}
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module "firewall" {
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source = "../../../modules/net-vpc-firewall"
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project_id = local.vpc_project
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network = local.network
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default_rules_config = {
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disabled = true
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}
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ingress_rules = {
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"${local.prefix}allow-all-between-wsfc-nodes" = {
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description = "Allow all between WSFC nodes"
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sources = [module.compute-service-account.email]
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targets = [module.compute-service-account.email]
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use_service_accounts = true
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rules = [
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{ protocol = "tcp" },
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{ protocol = "udp" },
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{ protocol = "icmp" }
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]
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}
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"${local.prefix}allow-all-between-wsfc-witness" = {
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description = "Allow all between WSFC witness nodes"
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sources = [module.compute-service-account.email]
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targets = [module.witness-service-account.email]
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use_service_accounts = true
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rules = [
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{ protocol = "tcp" },
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{ protocol = "udp" },
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{ protocol = "icmp" }
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]
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}
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"${local.prefix}allow-sql-to-wsfc-nodes" = {
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description = "Allow SQL connections to WSFC nodes"
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targets = [module.compute-service-account.email]
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ranges = var.sql_client_cidrs
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use_service_accounts = true
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rules = [
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{ protocol = "tcp", ports = [1433] },
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]
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}
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"${local.prefix}allow-health-check-to-wsfc-nodes" = {
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description = "Allow health checks to WSFC nodes"
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targets = [module.compute-service-account.email]
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ranges = var.health_check_ranges
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use_service_accounts = true
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rules = [
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{ protocol = "tcp" }
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]
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}
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}
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}
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module "ip-addresses" {
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source = "../../../modules/net-address"
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project_id = local.vpc_project
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internal_addresses = local.internal_addresses
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}
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module "listener-ilb" {
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source = "../../../modules/net-ilb"
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for_each = toset(var.always_on_groups)
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project_id = var.project_id
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region = var.region
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name = "${var.prefix}-${each.value}-ilb"
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service_label = "${var.prefix}-${each.value}-ilb"
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address = local.internal_address_ips["${local.prefix}lb-${each.value}"]
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vpc_config = {
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network = local.network
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subnetwork = local.subnetwork
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}
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backends = [for k, node in module.nodes : {
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group = node.group.self_link
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}]
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health_check_config = {
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enable_logging = true
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tcp = {
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port = var.health_check_port
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}
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}
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}
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