variables.tf

variable "rds_db_identifiers" {
  description = "The list of RDS database identifiers to monitor."
  type        = list(string)
}

variable "rds_db_type" {
  description = "The type of the RDS database: 'instance' for RDS instance or 'cluster' for RDS cluster."
  type        = string

  validation {
    condition     = contains(["instance", "cluster"], var.rds_db_type)
    error_message = "[Error] Unsupported RDS database type supplied."
  }

  default         = "instance"
}

variable "rds_db_instance_events" {
  description = "List of RDS instance-related events to monitor."
  type        = list(string)
  default     = [
    "DeleteDBInstance",
    "ModifyDBInstance",
    "RebootDBInstance",
    "CreateDBSnapshot",
    "DeleteDBSnapshot",
    "RestoreDBInstanceFromDBSnapshot"
  ]
}

variable "rds_db_cluster_events" {
  description = "List of RDS cluster-related events to monitor."
  type        = list(string)
  default     = [
    "CreateDBCluster",
    "DeleteDBCluster",
    "ModifyDBCluster",
    "CreateDBClusterSnapshot",
    "DeleteDBClusterSnapshot",
    "RestoreDBClusterFromS3",
    "FailoverDBCluster",
    "AddRoleToDBCluster",
    "RemoveRoleFromDBCluster"
  ]
}

variable "rds_db_parameter_group_events" {
  description = "List of RDS parameter group-related events to monitor."
  type        = list(string)
  default     = [
    "CreateDBParameterGroup",
    "DeleteDBParameterGroup",
    "ModifyDBParameterGroup"
  ]
}

variable "rds_db_security_group_events" {
  description = "List of RDS security group-related events to monitor."
  type        = list(string)
  default     = [
    "CreateDBSecurityGroup",
    "DeleteDBSecurityGroup",
    "ModifyDBSecurityGroup"
  ]
}

variable "cw_log_group_name" {
  description = "The name of the CloudWatch log group storing CloudTrail logs."
  type        = string
}

variable "cw_metric_filter_namespace" {
  description = "The namespace for the CloudWatch metric filter."
  type        = string
  default     = "RDS/Monitoring"
}

variable "cw_metric_filter_value" {
  description = "The value to publish to the CloudWatch metric."
  type        = string
  default     = "1"
}

variable "cw_metric_filter_alarm_comparison_operator" {
  description = "The comparison operator for the CloudWatch metric filter alarm."
  type        = string
  default     = "GreaterThanOrEqualToThreshold"
}

variable "cw_metric_filter_alarm_evaluation_periods" {
  description = "The number of periods over which data is compared to the specified threshold."
  type        = number
  default     = 1
}

variable "cw_metric_filter_alarm_period" {
  description = "The period in seconds over which the specified statistic is applied."
  type        = number
  default     = 300
}

variable "cw_metric_filter_alarm_statistic" {
  description = "The statistic to apply to the alarm's associated metric."
  type        = string
  default     = "Sum"
}

variable "cw_metric_filter_alarm_threshold" {
  description = "The value against which the specified statistic is compared."
  type        = number
  default     = 1
}

variable "cw_metric_filter_alarm_actions" {
  description = "The list of actions to execute when the alarm transitions into an ALARM state from any other state."
  type        = list(string)
  default     = []
}