variables.tf

variable "enabled" {
  type        = bool
  description = "Set to false to prevent the module from creating any resources"
  default     = true
}

variable "namespace" {
  type        = string
  description = "Namespace (e.g. `eg` or `cp`)"
  default     = ""
}

variable "stage" {
  type        = string
  description = "Stage (e.g. `prod`, `dev`, `staging`)"
  default     = ""
}

variable "name" {
  type        = string
  description = "Name of the application"
}

variable "delimiter" {
  type        = string
  default     = "-"
  description = "Delimiter between `name`, `namespace`, `stage` and `attributes`"
}

variable "attributes" {
  type        = list(string)
  description = "Additional attributes (_e.g._ \"1\")"
  default     = []
}

variable "tags" {
  type        = map(string)
  description = "Additional tags (_e.g._ map(\"BusinessUnit\",\"ABC\")"
  default     = {}
}

variable "vpc_id" {
  type        = string
  default     = ""
  description = "VPC ID"
}

variable "max_item_size" {
  type        = number
  default     = 10485760
  description = "Max item size"
}

variable "subnets" {
  type        = list(string)
  default     = []
  description = "AWS subnet ids"
}

variable "maintenance_window" {
  type        = string
  default     = "wed:03:00-wed:04:00"
  description = "Maintenance window"
}

variable "cluster_size" {
  type        = number
  default     = 1
  description = "Cluster size"
}

variable "instance_type" {
  type        = string
  default     = "cache.t2.micro"
  description = "Elastic cache instance type"
}

variable "engine_version" {
  type        = string
  default     = "1.5.16"
  description = "Memcached engine version. For more info, see https://docs.aws.amazon.com/AmazonElastiCache/latest/mem-ug/supported-engine-versions.html"
}

variable "notification_topic_arn" {
  type        = string
  default     = ""
  description = "Notification topic arn"
}

variable "alarm_cpu_threshold_percent" {
  type        = number
  default     = 75
  description = "CPU threshold alarm level"
}

variable "alarm_memory_threshold_bytes" {
  type        = number
  default     = 10000000 # 10MB
  description = "Alarm memory threshold bytes"
}

variable "alarm_actions" {
  type        = list(string)
  default     = []
  description = "Alarm actions"
}

variable "apply_immediately" {
  type        = bool
  default     = true
  description = "Specifies whether any database modifications are applied immediately, or during the next maintenance window"
}

variable "availability_zones" {
  type        = list(string)
  description = "List of Availability Zones for the cluster"
}

variable "zone_id" {
  type        = string
  default     = ""
  description = "Route53 DNS Zone ID"
}

variable "port" {
  type        = number
  default     = 11211
  description = "Memcached port"
}

variable "use_existing_security_groups" {
  type        = bool
  description = "Flag to enable/disable creation of Security Group in the module. Set to `true` to disable Security Group creation and provide a list of existing security Group IDs in `existing_security_groups` to place the cluster into"
  default     = false
}

variable "existing_security_groups" {
  type        = list(string)
  default     = []
  description = "List of existing Security Group IDs to place the cluster into. Set `use_existing_security_groups` to `true` to enable using `existing_security_groups` as Security Groups for the cluster"
}

variable "allowed_security_groups" {
  type        = list(string)
  default     = []
  description = "List of Security Group IDs that are allowed ingress to the cluster's Security Group created in the module"
}

variable "allowed_cidr_blocks" {
  type        = list(string)
  default     = []
  description = "List of CIDR blocks that are allowed ingress to the cluster's Security Group created in the module"
}

variable "elasticache_subnet_group_name" {
  type        = string
  description = "Subnet group name for the ElastiCache instance"
  default     = ""
}

variable "elasticache_parameter_group_family" {
  type        = string
  description = "ElastiCache parameter group family"
  default     = "memcached1.5"
}