locals.tf

locals {
  # Get ID of RDS Instance
  this_instance_id = var.existing_instance_id != "" ? var.existing_instance_id : var.instance_id != "" ? var.instance_id : concat(alicloud_db_instance.this[*].id, [""])[0]
  # Whether to create database, account and other resources
  create_more_resources = var.create_instance
  create_database       = local.create_more_resources && var.create_database
  create_account        = local.create_more_resources && var.create_account
  security_group_ids    = length(var.security_group_ids) > 0 ? var.security_group_ids : var.vpc_security_group_ids
  retention_period      = var.backup_retention_period != 7 ? var.backup_retention_period : var.retention_period
  log_retention_period  = var.log_backup_retention_period != 7 ? var.log_backup_retention_period : var.log_retention_period
  backup_time           = length(var.preferred_backup_time) > 0 ? var.preferred_backup_time : var.backup_time
  backup_period         = length(var.preferred_backup_period) > 0 ? var.preferred_backup_period : var.backup_period
}