variables.tf

# Copyright (c) 2019, 2022 Oracle Corporation and/or affiliates.  All rights reserved.
# Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl

# provider identity parameters

variable "region" {
  # List of regions: https://docs.cloud.oracle.com/iaas/Content/General/Concepts/regions.htm#ServiceAvailabilityAcrossRegions
  description = "the OCI region where resources will be created"
  type        = string
  default     = null
}

# general oci parameters

variable "compartment_id" {
  description = "compartment id where to create all resources"
  type        = string
  # no default value, asking user to explicitly set this variable's value. see codingconventions.adoc
}

variable "label_prefix" {
  description = "a string that will be prepended to all resources"
  type        = string
  default     = "none"
}

variable "freeform_tags" {
  description = "simple key-value pairs to tag the created resources using freeform OCI Free-form tags."
  type        = map(any)
  default = {
    terraformed = "Please do not edit manually"
    module      = "oracle-terraform-modules/vcn/oci"
  }
}

variable "defined_tags" {
  description = "predefined and scoped to a namespace to tag the resources created using defined tags."
  type        = map(string)
  default     = null
}

# vcn parameters
variable "create_internet_gateway" {
  description = "whether to create the internet gateway in the vcn. If set to true, creates an Internet Gateway."
  default     = false
  type        = bool
}

variable "create_nat_gateway" {
  description = "whether to create a nat gateway in the vcn. If set to true, creates a nat gateway."
  default     = false
  type        = bool
}

variable "create_service_gateway" {
  description = "whether to create a service gateway. If set to true, creates a service gateway."
  default     = false
  type        = bool
}

variable "enable_ipv6" {
  description = "Whether IPv6 is enabled for the VCN. If enabled, Oracle will assign the VCN a IPv6 /56 CIDR block."
  type        = bool
  default     = false
}

variable "lockdown_default_seclist" {
  description = "whether to remove all default security rules from the VCN Default Security List"
  default     = true
  type        = bool
}

variable "nat_gateway_public_ip_id" {
  description = "OCID of reserved IP address for NAT gateway. The reserved public IP address needs to be manually created."
  default     = "none"
  type        = string
}

variable "vcn_cidrs" {
  description = "The list of IPv4 CIDR blocks the VCN will use."
  default     = ["10.0.0.0/16"]
  type        = list(string)
}

variable "vcn_dns_label" {
  description = "A DNS label for the VCN, used in conjunction with the VNIC's hostname and subnet's DNS label to form a fully qualified domain name (FQDN) for each VNIC within this subnet. DNS resolution of hostnames in the VCN is disabled when null."
  type        = string
  default     = "vcnmodule"

  validation {
    condition     = var.vcn_dns_label == null ? true : length(regexall("^[^0-9][a-zA-Z0-9_]{1,14}$", var.vcn_dns_label)) > 0
    error_message = "DNS label must be unset to disable, or an alphanumeric string with length of 1 through 15 that begins with a letter."
  }
}

variable "vcn_name" {
  description = "user-friendly name of to use for the vcn to be appended to the label_prefix"
  type        = string
  default     = "vcn"
  validation {
    condition     = length(var.vcn_name) > 0
    error_message = "The vcn_name value cannot be an empty string."
  }
}

# gateways parameters
variable "internet_gateway_display_name" {
  description = "(Updatable) Name of Internet Gateway. Does not have to be unique."
  type        = string
  default     = "internet-gateway"

  validation {
    condition     = length(var.internet_gateway_display_name) > 0
    error_message = "The internet_gateway_display_name value cannot be an empty string."
  }
}

variable "local_peering_gateways" {
  description = "Map of Local Peering Gateways to attach to the VCN."
  type        = map(any)
  default     = null
}

variable "nat_gateway_display_name" {
  description = "(Updatable) Name of NAT Gateway. Does not have to be unique."
  type        = string
  default     = "nat-gateway"

  validation {
    condition     = length(var.nat_gateway_display_name) > 0
    error_message = "The nat_gateway_display_name value cannot be an empty string."
  }
}

variable "service_gateway_display_name" {
  description = "(Updatable) Name of Service Gateway. Does not have to be unique."
  type        = string
  default     = "service-gateway"

  validation {
    condition     = length(var.service_gateway_display_name) > 0
    error_message = "The service_gateway_display_name value cannot be an empty string."
  }
}

variable "internet_gateway_route_rules" {
  description = "(Updatable) List of routing rules to add to Internet Gateway Route Table"
  type        = list(map(string))
  default     = null
}

variable "nat_gateway_route_rules" {
  description = "(Updatable) list of routing rules to add to NAT Gateway Route Table"
  type        = list(map(string))
  default     = null
}

variable "attached_drg_id" {
  description = "the ID of DRG attached to the VCN"
  type        = string
  default     = null
}

#subnets
variable "subnets" {
  description = "Private or Public subnets in a VCN"
  type        = any
  default     = {}
}


variable "tenancy_id" {
  description = "Tenancy OCID"
  type        = string
}

variable "enable_vcn_logging" {
  type        = bool
  default     = false
  description = "Enable or Disable VCN logging"
}

variable "log_retention_duration" {
  type        = number
  default     = 30
  description = "Log retention duration"
}