variables.tf

################################################################################
# General
################################################################################

variable "name" {
  description = "The resource name of the load balancer."
  type        = string
  default     = "scaleway-lb-module"
}

variable "description" {
  description = "Define a description for the Load balancer"
  type        = string
  default     = null
}

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

variable "zone" {
  description = "Load balancer zone"
  type        = string
  default     = "fr-par-1"
}

################################################################################
# Load balancer
################################################################################

variable "load_balancer_name" {
  description = "The resource name of the load balancer."
  type        = string
  default     = ""
}

variable "load_balancer_tags" {
  description = "Additional tags for the VPC"
  type        = list(string)
  default     = []
}

variable "timeouts" {
  description = "Define maximum timeout for creating, updating, and deleting load balancer resources"
  type        = map(string)
  default     = {}
}

variable "ssl_compatibility_level" {
  description = "Determines the minimal SSL version which needs to be supported on client side."
  type        = string
  default     = "ssl_compatibility_level_modern"
}

variable "load_balancer_type" {
  description = "The type of load balancer to create. Possible types: lb-s, lb-gp-m, lb-gp-l, lb-gp-xl"
  type        = string
  default     = "LB-S"
}

variable "private_network_configs" {
  description = "List of private networks configurations"
  type = list(object({
    private_network = object({
      id           = string
      dhcp_enabled = bool
      static_ips   = list(string)
    })
  }))
  default = []
}

################################################################################
# Routes
################################################################################

variable "create_routes" {
  description = "Determines if route should be created"
  type        = bool
  default     = false
}

variable "load_balancer_route_host_header" {
  description = "A list of maps describing the load balancer routes. Optional match_sni, match_host_header. Conditions must be based on SNI for direction to TCP backends, or HTTP host headers for direction to HTTP backends. Use the routes endpoint to create, edit, list, get and delete your routes."
  type        = any
  default     = []
}

################################################################################
# Backend
################################################################################

variable "backend_name" {
  description = "The backend name of the load balancer."
  type        = string
  default     = null
}

variable "backend_forward_protocol" {
  description = "Protocol to be used on load balancer backend resource"
  type        = string
  default     = "tcp"
}

variable "backend_forward_port" {
  description = "Port to be used on load balancer backend resource as forward port"
  type        = number
  default     = 80
}

variable "backend_ip_addresses" {
  description = "Backend server IP addresses list (IPv4 or IPv6)"
  default     = []
  type        = list(string)
}

variable "backend_sticky_sessions" {
  description = "The type of sticky session"
  default     = null
  type        = string
}

variable "backend_sticky_sessions_cookie_name" {
  description = "Cookie name for for sticky sessions"
  default     = null
  type        = string
}

variable "backend_port_algorithm" {
  description = "Load balancing algorithm"
  default     = "roundrobin"
  type        = string
}

variable "backend_timeout_server" {
  description = "Define maximum timeout for server"
  type        = string
  default     = "1s"
}

variable "backend_timeout_connect" {
  description = "Define maximum timeout for server"
  type        = string
  default     = "2.5s"
}

variable "backend_timeout_tunnel" {
  description = "Define maximum timeout for tunnel"
  type        = string
  default     = "3s"
}

variable "backend_timeout_health_check" {
  description = "Define maximum health check"
  type        = string
  default     = "30s"
}

variable "backend_failover_host" {
  description = "Scaleway S3 bucket website to be served in case all backend servers are down"
  type        = string
  default     = null
}

variable "backend_health_check_max_retries" {
  description = "Number of allowed failed HC requests before the backend server is marked down"
  type        = number
  default     = 2
}

variable "backend_health_check_delay" {
  description = "Define maximum health check"
  type        = string
  default     = "1m0s"
}

variable "backend_marked_down_action" {
  description = "Modify what occurs when a backend server is marked down"
  type        = string
  default     = "none"
}

variable "backend_ssl_bridging" {
  description = "Enables SSL between load balancer and backend servers"
  type        = bool
  default     = false
}

variable "backend_ignore_ssl_server_verify" {
  description = "Specifies whether the Load Balancer should check the backend server’s certificate before initiating a connection"
  type        = bool
  default     = false
}

variable "backend_health_check_port" {
  default     = 80
  type        = number
  description = "The port to use when connecting to a backend server to forward a user session"
}

variable "backend_proxy_protocol" {
  default     = "none"
  type        = string
  description = "Type of PROXY protocol to enable"
}

variable "load_balancer_backend_health_check_https" {
  type = object({
    uri         = string
    code        = number
    method      = string
    host_header = string
    sni         = string
  })
  default     = null
  description = "An object describing the Health check method for this LB. Required key/values: type: https. Required: uri Optional: code, sni. (default to load_balancer_backend_health_check_https[count.index]"
}

################################################################################
# Frontend
################################################################################

variable "frontend_name" {
  default     = ""
  type        = string
  description = "Name to be used on load balancer frontend resource as identifier"
}

variable "frontend_inbound_port" {
  default     = 443
  type        = number
  description = "Port to be used on load balancer frontend resource as inbound port"
}

variable "frontend_timeout_client" {
  default     = "30s"
  type        = string
  description = "Defines maximum allowed inactivity time on the client side"
}

################################################################################
# Certificate
################################################################################

variable "certificate_ids" {
  description = "Certificate IDs list"
  default     = null
  type        = list(string)
}

###############################################################################
# ACLs
###############################################################################

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

variable "load_balancer_action_rules" {
  description = "A list of maps describing the ACL Rules for this LB. Required key/values: actions, rules. (default to load_balancer_action_rules[count.index])"
  type        = any
  default     = []
}