module "default_tags" {
  source             = "git@github.com:theorchard/terraform-default-tags.git//?ref=2.0.0"
  environment        = var.environment
  application_family = var.application_family
  service_name       = var.service_name
  team_name          = var.team_name
}

provider "aws" {
  region = var.aws_region

  default_tags {
    tags = module.default_tags.tags
  }
}

# Terraform backends cannot contain interpolations
terraform {
  backend "s3" {
    bucket  = "qa-accounting-terraform-state"
    key     = "qa/reserved-instances/terraform.tfstate"
    region  = "us-east-1"
    encrypt = "true"
  }
}

data "aws_rds_reserved_instance_offering" "db_r6g_large_reserved_instance_offering" {
  db_instance_class   = "db.r6g.large"
  duration            = 1
  offering_type       = "No Upfront"
  product_description = "aurora-mysql"
  multi_az            = false
}

# Reserved RDS Instance 2 x db.r6g.large
# This is intended to cover the qa-royalty-accounting and uat-royalty-accounting clusters.
resource "aws_rds_reserved_instance" "rds_r6g_medium_reserved_instance" {
  offering_id    = data.aws_rds_reserved_instance_offering.db_r6g_large_reserved_instance_offering.offering_id
  reservation_id = "aurora-mysql-r6g-large-2026-03-31"
  instance_count = 2
}