variables.tf

variable "region" {
  type        = string
  description = "AWS region"
}

variable "availability_zones" {
  type = list(string)
}

variable "database_name" {
  type        = string
  description = "The name of the database to create when the DB instance is created"
}

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

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

variable "database_port" {
  type        = number
  description = "Database port (_e.g._ `3306` for `MySQL`). Used in the DB Security Group to allow access to the DB instance from the provided `security_group_ids`"
}

variable "deletion_protection" {
  type        = bool
  description = "Set to true to enable deletion protection on the RDS instance"
}

variable "multi_az" {
  type        = bool
  description = "Set to true if multi AZ deployment must be supported"
}

variable "storage_type" {
  type        = string
  description = "One of 'standard' (magnetic), 'gp2' (general purpose SSD), or 'io1' (provisioned IOPS SSD)"
}

variable "storage_encrypted" {
  type        = bool
  description = "(Optional) Specifies whether the DB instance is encrypted. The default is false if not specified"
}

variable "allocated_storage" {
  type        = number
  description = "The allocated storage in GB"
}

variable "engine" {
  type        = string
  description = "Database engine type"
  # - mysql
  # - postgres
  # - oracle-*
  # - sqlserver-*
}

variable "engine_version" {
  type        = string
  description = "Database engine version, depends on engine type"
}

variable "instance_class" {
  type        = string
  description = "Class of RDS instance"
  # https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.DBInstanceClass.html
}

variable "db_parameter_group" {
  type        = string
  description = "Parameter group, depends on DB engine used"
  # "mysql5.6"
  # "postgres9.5"
}

variable "publicly_accessible" {
  type        = bool
  description = "Determines if database can be publicly available (NOT recommended)"
}

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

variable "debug_logging" {
  type        = bool
  default     = false
  description = "Whether the proxy includes detailed information about SQL statements in its logs"
}

variable "engine_family" {
  type        = string
  default     = "MYSQL"
  description = "The kinds of databases that the proxy can connect to. This value determines which database network protocol the proxy recognizes when it interprets network traffic to and from the database. The engine family applies to MySQL and PostgreSQL for both RDS and Aurora. Valid values are MYSQL and POSTGRESQL"
}

variable "idle_client_timeout" {
  type        = number
  default     = 1800
  description = "The number of seconds that a connection to the proxy can be inactive before the proxy disconnects it"
}

variable "require_tls" {
  type        = bool
  default     = false
  description = "A Boolean parameter that specifies whether Transport Layer Security (TLS) encryption is required for connections to the proxy. By enabling this setting, you can enforce encrypted TLS connections to the proxy"
}

variable "connection_borrow_timeout" {
  type        = number
  default     = 120
  description = "The number of seconds for a proxy to wait for a connection to become available in the connection pool. Only applies when the proxy has opened its maximum number of connections and all connections are busy with client sessions"
}

variable "init_query" {
  type        = string
  default     = null
  description = "One or more SQL statements for the proxy to run when opening each new database connection"
}

variable "max_connections_percent" {
  type        = number
  default     = 100
  description = "The maximum size of the connection pool for each target in a target group"
}

variable "max_idle_connections_percent" {
  type        = number
  default     = 50
  description = "Controls how actively the proxy closes idle database connections in the connection pool. A high value enables the proxy to leave a high percentage of idle connections open. A low value causes the proxy to close idle client connections and return the underlying database connections to the connection pool"
}

variable "session_pinning_filters" {
  type        = list(string)
  default     = null
  description = "Each item in the list represents a class of SQL operations that normally cause all later statements in a session using a proxy to be pinned to the same underlying database connection"
}

variable "iam_role_attributes" {
  type        = list(string)
  default     = null
  description = "Additional attributes to add to the ID of the IAM role that the proxy uses to access secrets in AWS Secrets Manager"
}

variable "existing_iam_role_arn" {
  type        = string
  default     = null
  description = "The ARN of an existing IAM role that the proxy can use to access secrets in AWS Secrets Manager. If not provided, the module will create a role to access secrets in Secrets Manager"
}

variable "proxy_create_timeout" {
  type        = string
  default     = "30m"
  description = "Proxy create timeout"
}

variable "proxy_update_timeout" {
  type        = string
  default     = "30m"
  description = "Proxy update timeout"
}
variable "proxy_delete_timeout" {
  type        = string
  default     = "60m"
  description = "Proxy delete timeout"
}