terraform/modules/vpc/variables.tf

#
#  Copyright 2023 Google LLC
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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variable "project_id" {
  description = "The ID of the project where this VPC will be created"
  type        = string
}

variable "network_name" {
  description = "The name of the network being created"
  type        = string

  validation {
    condition     = length(var.network_name) <= 63 && can(regex("[a-z]([-a-z0-9]*[a-z0-9])?", var.network_name))
    error_message = "The network_name should be less than 63 characters."
  }
}

variable "routing_mode" {
  type        = string
  default     = "GLOBAL"
  description = "The network routing mode (default 'GLOBAL')"
}

variable "description" {
  type        = string
  description = "An optional description of this resource. The resource must be recreated to modify this field."
  default     = ""
}

variable "auto_create_subnetworks" {
  type        = bool
  description = "When set to true, the network is created in 'auto subnet mode' and it will create a subnet for each region automatically across the 10.128.0.0/9 address range. When set to false, the network is created in 'custom subnet mode' so the user can explicitly connect subnetwork resources."
  default     = false
}

variable "delete_default_internet_gateway_routes" {
  type        = bool
  description = "If set, ensure that all routes within the network specified whose names begin with 'default-route' and with a next hop of 'default-internet-gateway' are deleted"
  default     = false
}

variable "mtu" {
  type        = number
  description = "The network MTU (If set to 0, meaning MTU is unset - defaults to '1460'). Recommended values: 1460 (default for historic reasons), 1500 (Internet default), or 8896 (for Jumbo packets). Allowed are all values in the range 1300 to 8896, inclusively."
  default     = 0
}