variables.tf

variable "apply_immediately" {
  type        = bool
  default     = true
  description = "Specifies whether any cluster modifications are applied immediately"
}

variable "auto_pause" {
  type        = bool
  default     = true
  description = "Whether to enable automatic pause"
}

variable "availability_zones" {
  type        = list(string)
  default     = []
  description = "List of availability zones to deploy Aurora in"
}

variable "backup_retention_period" {
  type        = number
  default     = 7
  description = "The days to retain backups for"
}

variable "cidr_blocks" {
  type        = list(string)
  default     = null
  description = "List of CIDR blocks that should be allowed access to the Aurora cluster"
}

variable "cluster_family" {
  type        = string
  default     = "aurora-mysql5.7"
  description = "The family of the DB cluster parameter group"
}

variable "cluster_parameters" {
  type = list(object({
    apply_method = optional(string, "immediate")
    name         = string
    value        = string
  }))
  default = [{
    name  = "character_set_server",
    value = "utf8",
    }, {
    name  = "character_set_client",
    value = "utf8",
  }]
  description = "A list of cluster DB parameters to apply"
}

variable "database" {
  type        = string
  default     = null
  description = "The name of the first database to be created when the cluster is created"
}

variable "database_parameters" {
  type = list(object({
    apply_method = optional(string, "immediate")
    name         = string
    value        = string
  }))
  default     = null
  description = "A list of instance DB parameters to apply"
}

variable "deletion_protection" {
  type        = bool
  default     = true
  description = "A boolean indicating if the DB instance should have deletion protection enable"
}

variable "enabled_cloudwatch_logs_exports" {
  type        = list(string)
  default     = null
  description = "List of log types to export to cloudwatch"
}

variable "enable_http_endpoint" {
  type        = bool
  default     = false
  description = "Enable Aurora Serverless HTTP endpoint (Data API)"
}

variable "engine" {
  type        = string
  default     = "aurora-mysql"
  description = "The engine type of the Aurora cluster"
}

variable "engine_mode" {
  type        = string
  default     = "serverless"
  description = "The engine mode of the Aurora cluster"

  validation {
    condition     = contains(["provisioned", "serverless", "parallelquery", "global", "multimaster", "serverlessv2"], var.engine_mode)
    error_message = "Allowed values for engine_mode are \"provisioned\", \"serverless\", \"parallelquery\", \"global\", \"multimaster\" or \"serverlessv2\"."
  }
}

variable "engine_version" {
  type        = string
  default     = "5.7.mysql_aurora.2.08.3"
  description = "The engine version of the Aurora cluster"
}

variable "final_snapshot_identifier" {
  type        = string
  default     = null
  description = "Identifier of the final snapshot to create before deleting the cluster"
}

variable "iam_database_authentication_enabled" {
  type        = bool
  default     = null
  description = "Specify if mapping AWS IAM accounts to database accounts is enabled."
}

variable "iam_roles" {
  type        = list(string)
  default     = null
  description = "A list of IAM Role ARNs to associate with the cluster"
}

variable "instance_class" {
  type        = string
  default     = "db.r5.large"
  description = "The class of RDS instances to attach. Only for serverless engine_mode"
}

variable "instance_count" {
  type        = number
  default     = 1
  description = "The number of RDS instances to attach. Only for serverless engine_mode"
}

variable "kms_key_id" {
  type        = string
  default     = null
  description = "The KMS key ID used for the storage encryption"
}

variable "max_capacity" {
  type        = string
  default     = 8
  description = "The maximum capacity of the serverless cluster"
}

variable "min_capacity" {
  type        = string
  default     = 1
  description = "The minimum capacity of the serverless cluster"
}

variable "monitoring_interval" {
  type        = string
  default     = null
  description = "The interval (seconds) for collecting enhanced monitoring metrics"
}

variable "password" {
  type        = string
  description = "Password for the master DB user"
}

variable "performance_insights" {
  type        = bool
  default     = false
  description = "Specifies whether Performance Insights is enabled or not"
}

variable "performance_insights_retention_period" {
  type        = number
  default     = 7
  description = "Amount of time in days to retain Performance Insights data. Valida values are 7, 731 (2 years) or a multiple of 31. When specifying performance_insights_retention_period, performance_insights needs to be set to true"
}

variable "permissions_boundary" {
  type        = string
  default     = null
  description = "The ARN of the policy that is used to set the permissions boundary for the role"
}

variable "preferred_backup_window" {
  type        = string
  default     = null
  description = "The daily time range during which automated backups are created, in UTC e.g. 04:00-09:00"
}

variable "preferred_maintenance_window" {
  type        = string
  default     = null
  description = "The weekly time range during which system maintenance can occur, in UTC e.g. wed:04:00-wed:04:30"
}

variable "publicly_accessible" {
  type        = string
  default     = false
  description = "Control if instances in cluster are publicly accessible"
}

variable "security_group_ids" {
  type        = list(string)
  default     = []
  description = "List of security group IDs allowed to connect to Aurora"
}

variable "skip_final_snapshot" {
  type        = bool
  default     = false
  description = "Determines whether a final snapshot is created before deleting the cluster"
}

variable "snapshot_identifier" {
  type        = string
  default     = null
  description = "Database snapshot identifier to create the database from"
}

variable "stack" {
  type        = string
  description = "The stack name for the Aurora Cluster"
}

variable "storage_encrypted" {
  type        = bool
  default     = true
  description = "Specifies whether the DB cluster is encrypted"
}

variable "subnet_ids" {
  type        = list(string)
  description = "List of subnet IDs to deploy Aurora in"
}

variable "tags" {
  type        = map(string)
  description = "A mapping of tags to assign to the bucket"
}

variable "timeout_action" {
  type        = string
  default     = "RollbackCapacityChange"
  description = "The action to take when the timeout is reached"
}

variable "username" {
  type        = string
  description = "Username for the master DB user"
}