255 lines
6.2 KiB
HCL
255 lines
6.2 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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locals {
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# split record name and type and set as keys in a map
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_recordsets_0 = {
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for key, attrs in var.recordsets :
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key => merge(attrs, zipmap(["type", "name"], split(" ", key)))
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}
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# compute the final resource name for the recordset
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_recordsets = {
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for key, attrs in local._recordsets_0 :
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key => merge(attrs, {
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resource_name = (
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attrs.name == ""
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? var.domain
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: (
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substr(attrs.name, -1, 1) == "."
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? attrs.name
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: "${attrs.name}.${var.domain}"
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)
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)
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})
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}
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# split recordsets between regular, geo and wrr
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geo_recordsets = {
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for k, v in local._recordsets :
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k => v
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if v.geo_routing != null
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}
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regular_recordsets = {
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for k, v in local._recordsets :
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k => v
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if v.records != null
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}
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wrr_recordsets = {
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for k, v in local._recordsets :
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k => v
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if v.wrr_routing != null
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}
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zone = (
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var.zone_create
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? try(
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google_dns_managed_zone.non-public.0, try(
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google_dns_managed_zone.public.0, null
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)
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)
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: try(data.google_dns_managed_zone.public.0, null)
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)
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dns_keys = try(
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data.google_dns_keys.dns_keys.0, null
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)
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}
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resource "google_dns_managed_zone" "non-public" {
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count = (var.zone_create && var.type != "public") ? 1 : 0
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provider = google-beta
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project = var.project_id
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name = var.name
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dns_name = var.domain
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description = var.description
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visibility = "private"
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reverse_lookup = (var.type == "reverse-managed")
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dynamic "forwarding_config" {
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for_each = (
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var.type == "forwarding" &&
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var.forwarders != null &&
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length(var.forwarders) > 0
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? [""]
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: []
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)
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content {
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dynamic "target_name_servers" {
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for_each = var.forwarders
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iterator = forwarder
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content {
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ipv4_address = forwarder.key
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forwarding_path = forwarder.value
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}
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}
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}
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}
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dynamic "peering_config" {
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for_each = (
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var.type == "peering" && var.peer_network != null ? [""] : []
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)
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content {
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target_network {
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network_url = var.peer_network
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}
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}
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}
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dynamic "private_visibility_config" {
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for_each = length(var.client_networks) > 0 ? [""] : []
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content {
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dynamic "networks" {
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for_each = var.client_networks
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iterator = network
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content {
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network_url = network.value
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}
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}
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}
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}
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dynamic "service_directory_config" {
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for_each = (
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var.type == "service-directory" && var.service_directory_namespace != null
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? [""]
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: []
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)
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content {
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namespace {
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namespace_url = var.service_directory_namespace
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}
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}
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}
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}
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data "google_dns_managed_zone" "public" {
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count = var.zone_create ? 0 : 1
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project = var.project_id
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name = var.name
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}
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resource "google_dns_managed_zone" "public" {
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count = (var.zone_create && var.type == "public") ? 1 : 0
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project = var.project_id
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name = var.name
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dns_name = var.domain
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description = var.description
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visibility = "public"
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dynamic "dnssec_config" {
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for_each = var.dnssec_config == null ? [] : [1]
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iterator = config
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content {
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kind = "dns#managedZoneDnsSecConfig"
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non_existence = var.dnssec_config.non_existence
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state = var.dnssec_config.state
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default_key_specs {
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algorithm = var.dnssec_config.key_signing_key.algorithm
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key_length = var.dnssec_config.key_signing_key.key_length
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key_type = "keySigning"
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kind = "dns#dnsKeySpec"
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}
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default_key_specs {
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algorithm = var.dnssec_config.zone_signing_key.algorithm
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key_length = var.dnssec_config.zone_signing_key.key_length
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key_type = "zoneSigning"
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kind = "dns#dnsKeySpec"
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}
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}
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}
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}
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data "google_dns_keys" "dns_keys" {
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count = var.zone_create && (var.dnssec_config == {} || var.type != "public") ? 0 : 1
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managed_zone = local.zone.id
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}
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resource "google_dns_record_set" "cloud-static-records" {
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for_each = (
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var.type == "public" || var.type == "private"
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? local.regular_recordsets
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: {}
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)
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project = var.project_id
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managed_zone = var.name
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name = each.value.resource_name
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type = each.value.type
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ttl = each.value.ttl
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rrdatas = each.value.records
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depends_on = [
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google_dns_managed_zone.non-public, google_dns_managed_zone.public
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]
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}
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resource "google_dns_record_set" "cloud-geo-records" {
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for_each = (
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var.type == "public" || var.type == "private"
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? local.geo_recordsets
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: {}
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)
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project = var.project_id
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managed_zone = var.name
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name = each.value.resource_name
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type = each.value.type
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ttl = each.value.ttl
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routing_policy {
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dynamic "geo" {
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for_each = each.value.geo_routing
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iterator = policy
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content {
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location = policy.value.location
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rrdatas = policy.value.records
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}
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}
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}
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depends_on = [
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google_dns_managed_zone.non-public, google_dns_managed_zone.public
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]
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}
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resource "google_dns_record_set" "cloud-wrr-records" {
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for_each = (
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var.type == "public" || var.type == "private"
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? local.wrr_recordsets
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: {}
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)
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project = var.project_id
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managed_zone = var.name
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name = each.value.resource_name
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type = each.value.type
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ttl = each.value.ttl
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routing_policy {
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dynamic "wrr" {
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for_each = each.value.wrr_routing
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iterator = policy
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content {
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weight = policy.value.weight
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rrdatas = policy.value.records
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}
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}
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}
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depends_on = [
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google_dns_managed_zone.non-public, google_dns_managed_zone.public
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]
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}
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