2022-03-17 08:39:37 -07:00
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/**
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* 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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* 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 Subnet resources.
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locals {
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2023-04-18 02:54:37 -07:00
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_factory_data = {
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for f in try(fileset(var.data_folder, "**/*.yaml"), []) :
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trimsuffix(basename(f), ".yaml") => yamldecode(file("${var.data_folder}/${f}"))
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}
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_factory_subnets = {
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for k, v in local._factory_data : "${v.region}/${try(v.name, k)}" => {
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name = try(v.name, k)
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ip_cidr_range = v.ip_cidr_range
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region = v.region
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description = try(v.description, null)
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enable_private_access = try(v.enable_private_access, true)
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flow_logs_config = try(v.flow_logs, null)
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ipv6 = try(v.ipv6, null)
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secondary_ip_ranges = try(v.secondary_ip_ranges, null)
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iam = try(v.iam, [])
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iam_additive = try(v.iam_additive, [])
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purpose = try(v.purpose, null)
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active = try(v.active, null)
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}
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}
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_factory_subnets_iam_additive = flatten([
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for k, v in local._factory_subnets : [
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for member in lookup(v, "iam_additive", []) : {
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member = member
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subnet = k
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role = "roles/compute.networkUser"
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}
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] if v.purpose == null
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])
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_factory_subnets_iam = [
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for k, v in local._factory_subnets : {
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subnet = k
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role = "roles/compute.networkUser"
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members = v.iam
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} if v.purpose == null && v.iam != null
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]
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_subnet_iam_additive_members = flatten([
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for subnet, roles in var.subnet_iam_additive : [
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for role, members in roles : [
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for member in members : {
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member = member
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role = role
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subnet = subnet
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}
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]
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]
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])
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_subnet_iam_members = flatten([
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for subnet, roles in(var.subnet_iam == null ? {} : var.subnet_iam) : [
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for role, members in roles : {
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members = members
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role = role
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subnet = subnet
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}
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]
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])
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subnet_iam_additive_members = concat(
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local._factory_subnets_iam_additive,
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local._subnet_iam_additive_members
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)
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subnet_iam_members = concat(
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[for k in local._factory_subnets_iam : k if length(k.members) > 0],
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local._subnet_iam_members
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)
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subnets = merge(
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{ for s in var.subnets : "${s.region}/${s.name}" => s },
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{ for k, v in local._factory_subnets : k => v if v.purpose == null }
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)
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subnets_proxy_only = merge(
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{ for s in var.subnets_proxy_only : "${s.region}/${s.name}" => s },
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{ for k, v in local._factory_subnets : k => v if v.purpose == "REGIONAL_MANAGED_PROXY" }
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)
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subnets_psc = merge(
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{ for s in var.subnets_psc : "${s.region}/${s.name}" => s },
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{ for k, v in local._factory_subnets : k => v if v.purpose == "PRIVATE_SERVICE_CONNECT" }
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)
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}
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resource "google_compute_subnetwork" "subnetwork" {
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for_each = local.subnets
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project = var.project_id
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network = local.network.name
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name = each.value.name
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region = each.value.region
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ip_cidr_range = each.value.ip_cidr_range
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description = (
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each.value.description == null
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? "Terraform-managed."
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: each.value.description
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)
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private_ip_google_access = each.value.enable_private_access
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secondary_ip_range = each.value.secondary_ip_ranges == null ? [] : [
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for name, range in each.value.secondary_ip_ranges :
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{ range_name = name, ip_cidr_range = range }
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]
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dynamic "log_config" {
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for_each = each.value.flow_logs_config != null ? [""] : []
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content {
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aggregation_interval = each.value.flow_logs_config.aggregation_interval
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filter_expr = each.value.flow_logs_config.filter_expression
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flow_sampling = each.value.flow_logs_config.flow_sampling
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metadata = each.value.flow_logs_config.metadata
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metadata_fields = (
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each.value.flow_logs_config.metadata == "CUSTOM_METADATA"
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? each.value.flow_logs_config.metadata_fields
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: null
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)
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}
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}
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}
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2022-04-13 07:38:47 -07:00
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resource "google_compute_subnetwork" "proxy_only" {
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for_each = local.subnets_proxy_only
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project = var.project_id
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network = local.network.name
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name = each.value.name
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region = each.value.region
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ip_cidr_range = each.value.ip_cidr_range
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description = (
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each.value.description == null
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? "Terraform-managed proxy-only subnet for Regional HTTPS or Internal HTTPS LB."
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: each.value.description
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)
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purpose = "REGIONAL_MANAGED_PROXY"
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role = each.value.active != false ? "ACTIVE" : "BACKUP"
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}
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resource "google_compute_subnetwork" "psc" {
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for_each = local.subnets_psc
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project = var.project_id
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network = local.network.name
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name = each.value.name
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region = each.value.region
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ip_cidr_range = each.value.ip_cidr_range
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description = (
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each.value.description == null
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? "Terraform-managed subnet for Private Service Connect (PSC NAT)."
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: each.value.description
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)
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purpose = "PRIVATE_SERVICE_CONNECT"
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}
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resource "google_compute_subnetwork_iam_binding" "binding" {
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for_each = {
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for binding in local.subnet_iam_members :
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"${binding.subnet}.${binding.role}" => binding
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}
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project = var.project_id
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subnetwork = google_compute_subnetwork.subnetwork[each.value.subnet].name
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region = google_compute_subnetwork.subnetwork[each.value.subnet].region
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role = each.value.role
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members = each.value.members
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}
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resource "google_compute_subnetwork_iam_member" "binding" {
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for_each = {
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for binding in local.subnet_iam_additive_members :
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"${binding.subnet}.${binding.role}.${binding.member}" => binding
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}
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project = var.project_id
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subnetwork = google_compute_subnetwork.subnetwork[each.value.subnet].name
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region = google_compute_subnetwork.subnetwork[each.value.subnet].region
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role = each.value.role
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member = each.value.member
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}
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