107 lines
3.6 KiB
Terraform
107 lines
3.6 KiB
Terraform
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/**
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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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variable "interconnect_attachments" {
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description = "VLAN attachments used by the VPN Gateway."
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type = object({
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a = string
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b = string
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})
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}
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variable "name" {
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description = "Common name to identify the VPN Gateway."
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type = string
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}
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variable "network" {
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description = "The VPC name to which resources are associated to."
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type = string
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}
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variable "peer_gateway_config" {
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description = "IP addresses for the external peer gateway."
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type = object({
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create = optional(bool, false)
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description = optional(string, "Terraform managed IPSec over Interconnect VPN gateway")
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name = optional(string, null)
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id = optional(string, null)
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redundancy_type = optional(string)
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interfaces = optional(list(string))
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})
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validation {
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condition = anytrue([
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var.peer_gateway_config.create == false && var.peer_gateway_config.id != null,
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var.peer_gateway_config.create == true && try(var.peer_gateway_config.redundancy_type, "") == "SINGLE_IP_INTERNALLY_REDUNDANT" && try(length(var.peer_gateway_config.interfaces) == 1, false),
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var.peer_gateway_config.create == true && try(var.peer_gateway_config.redundancy_type, "") == "TWO_IPS_REDUNDANCY" && try(length(var.peer_gateway_config.interfaces) == 2, false),
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])
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error_message = "When using an existing gateway, an ID must be provided. SINGLE_IP_INTERNALLY_REDUNDANT requires exactly 1 interface, TWO_IPS_REDUNDANCY requires exactly 2."
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}
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}
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variable "project_id" {
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description = "The project id."
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type = string
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}
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variable "region" {
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description = "GCP Region."
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type = string
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}
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variable "router_config" {
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description = "Cloud Router configuration for the VPN. If you want to reuse an existing router, set create to false and use name to specify the desired router."
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type = object({
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create = optional(bool, true)
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asn = optional(number)
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name = optional(string)
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keepalive = optional(number)
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custom_advertise = optional(object({
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all_subnets = bool
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ip_ranges = map(string)
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}))
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})
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nullable = false
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}
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variable "tunnels" {
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description = "VPN tunnel configurations."
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type = map(object({
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bgp_peer = object({
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address = string
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asn = number
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route_priority = optional(number, 1000)
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custom_advertise = optional(object({
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all_subnets = bool
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all_vpc_subnets = bool
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all_peer_vpc_subnets = bool
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ip_ranges = map(string)
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}))
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})
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# each BGP session on the same Cloud Router must use a unique /30 CIDR
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# from the 169.254.0.0/16 block.
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bgp_session_range = string
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ike_version = optional(number, 2)
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peer_external_gateway_interface = optional(number)
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peer_gateway_id = optional(string, "default")
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router = optional(string)
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shared_secret = optional(string)
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vpn_gateway_interface = number
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}))
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default = {}
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nullable = false
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}
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