variables.tf

variable "create_lb" {
  description = "Controls if the Load Balancer should be created"
  type        = bool
  default     = true
}

variable "drop_invalid_header_fields" {
  description = "Indicates whether invalid header fields are dropped in application load balancers. Defaults to false."
  type        = bool
  default     = false
}

variable "enable_deletion_protection" {
  description = "If true, deletion of the load balancer will be disabled via the AWS API. This will prevent Terraform from deleting the load balancer. Defaults to false."
  type        = bool
  default     = false
}

variable "enable_http2" {
  description = "Indicates whether HTTP/2 is enabled in application load balancers."
  type        = bool
  default     = true
}

variable "enable_cross_zone_load_balancing" {
  description = "Indicates whether cross zone load balancing should be enabled in application load balancers."
  type        = bool
  default     = false
}

variable "extra_ssl_certs" {
  description = "A list of maps describing any extra SSL certificates to apply to the HTTPS listeners. Required key/values: certificate_arn, https_listener_index (the index of the listener within https_listeners which the cert applies toward)."
  type        = list(map(string))
  default     = []
}

variable "https_listeners" {
  description = "A list of maps describing the HTTPS listeners for this ALB. Required key/values: port, certificate_arn. Optional key/values: ssl_policy (defaults to ELBSecurityPolicy-2016-08), target_group_index (defaults to https_listeners[count.index])"
  type        = any
  default     = []
}

variable "http_tcp_listeners" {
  description = "A list of maps describing the HTTP listeners or TCP ports for this ALB. Required key/values: port, protocol. Optional key/values: target_group_index (defaults to http_tcp_listeners[count.index])"
  type        = any
  default     = []
}

variable "https_listener_rules" {
  description = "A list of maps describing the Listener Rules for this ALB. Required key/values: actions, conditions. Optional key/values: priority, https_listener_index (default to https_listeners[count.index])"
  type        = any
  default     = []
}

variable "http_tcp_listener_rules" {
  description = "A list of maps describing the Listener Rules for this ALB. Required key/values: actions, conditions. Optional key/values: priority, http_tcp_listener_index (default to http_tcp_listeners[count.index])"
  type        = any
  default     = []
}

variable "idle_timeout" {
  description = "The time in seconds that the connection is allowed to be idle."
  type        = number
  default     = 60
}

variable "ip_address_type" {
  description = "The type of IP addresses used by the subnets for your load balancer. The possible values are ipv4 and dualstack."
  type        = string
  default     = "ipv4"
}

variable "listener_ssl_policy_default" {
  description = "The security policy if using HTTPS externally on the load balancer. [See](https://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-security-policy-table.html)."
  type        = string
  default     = "ELBSecurityPolicy-2016-08"
}

variable "internal" {
  description = "Boolean determining if the load balancer is internal or externally facing."
  type        = bool
  default     = false
}

variable "load_balancer_create_timeout" {
  description = "Timeout value when creating the ALB."
  type        = string
  default     = "10m"
}

variable "load_balancer_delete_timeout" {
  description = "Timeout value when deleting the ALB."
  type        = string
  default     = "10m"
}

variable "name" {
  description = "The resource name and Name tag of the load balancer."
  type        = string
  default     = null
}

variable "name_prefix" {
  description = "The resource name prefix and Name tag of the load balancer. Cannot be longer than 6 characters"
  type        = string
  default     = null
}

variable "load_balancer_type" {
  description = "The type of load balancer to create. Possible values are application or network."
  type        = string
  default     = "application"
}

variable "load_balancer_update_timeout" {
  description = "Timeout value when updating the ALB."
  type        = string
  default     = "10m"
}

variable "access_logs" {
  description = "Map containing access logging configuration for load balancer."
  type        = map(string)
  default     = {}
}

variable "subnets" {
  description = "A list of subnets to associate with the load balancer. e.g. ['subnet-1a2b3c4d','subnet-1a2b3c4e','subnet-1a2b3c4f']"
  type        = list(string)
  default     = null
}

variable "subnet_mapping" {
  description = "A list of subnet mapping blocks describing subnets to attach to network load balancer"
  type        = list(map(string))
  default     = []
}

variable "tags" {
  description = "A map of tags to add to all resources"
  type        = map(string)
  default     = {}
}

variable "lb_tags" {
  description = "A map of tags to add to load balancer"
  type        = map(string)
  default     = {}
}

variable "target_group_tags" {
  description = "A map of tags to add to all target groups"
  type        = map(string)
  default     = {}
}

variable "https_listener_rules_tags" {
  description = "A map of tags to add to all https listener rules"
  type        = map(string)
  default     = {}
}

variable "http_tcp_listener_rules_tags" {
  description = "A map of tags to add to all http listener rules"
  type        = map(string)
  default     = {}
}

variable "https_listeners_tags" {
  description = "A map of tags to add to all https listeners"
  type        = map(string)
  default     = {}
}

variable "http_tcp_listeners_tags" {
  description = "A map of tags to add to all http listeners"
  type        = map(string)
  default     = {}
}


variable "security_groups" {
  description = "The security groups to attach to the load balancer. e.g. [\"sg-edcd9784\",\"sg-edcd9785\"]"
  type        = list(string)
  default     = []
}

variable "target_groups" {
  description = "A list of maps containing key/value pairs that define the target groups to be created. Order of these maps is important and the index of these are to be referenced in listener definitions. Required key/values: name, backend_protocol, backend_port"
  type        = any
  default     = []
}

variable "vpc_id" {
  description = "VPC id where the load balancer and other resources will be deployed."
  type        = string
  default     = null
}