118 lines
3.6 KiB
HCL
118 lines
3.6 KiB
HCL
/**
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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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variable "name" {
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description = "VPN Gateway name (if an existing VPN Gateway is not used), and prefix used for dependent resources."
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type = string
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}
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variable "network" {
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description = "VPC used for the gateway and routes."
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type = string
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}
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variable "peer_gateways" {
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description = "Configuration of the (external or GCP) peer gateway."
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type = map(object({
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external = optional(object({
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redundancy_type = string
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interfaces = list(string)
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description = optional(string, "Terraform managed external VPN gateway")
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}))
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gcp = optional(string)
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}))
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nullable = false
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default = {}
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validation {
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condition = alltrue([
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for k, v in var.peer_gateways : (v.external != null) != (v.gcp != null)
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])
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error_message = "Peer gateway configuration must define exactly one between `external` and `gcp`."
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}
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}
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variable "project_id" {
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description = "Project where resources will be created."
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type = string
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}
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variable "region" {
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description = "Region used for resources."
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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 = 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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ipv6 = optional(object({
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nexthop_address = optional(string)
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peer_nexthop_address = optional(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 = 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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variable "vpn_gateway" {
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description = "HA VPN Gateway Self Link for using an existing HA VPN Gateway. Ignored if `vpn_gateway_create` is set to `true`."
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type = string
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default = null
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}
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variable "vpn_gateway_create" {
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description = "Create HA VPN Gateway. Set to null to avoid creation."
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type = object({
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description = optional(string, "Terraform managed external VPN gateway")
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ipv6 = optional(bool, false)
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})
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default = {}
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}
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