main.tf

locals {
  db_subnet_group_name          = "${coalesce(var.db_subnet_group_name, module.db_subnet_group.this_db_subnet_group_id)}"
  enable_create_db_subnet_group = "${var.db_subnet_group_name == "" ? var.create_db_subnet_group : 0}"

  parameter_group_name             = "${coalesce(var.parameter_group_name, module.db_parameter_group.this_db_parameter_group_id)}"
  enable_create_db_parameter_group = "${var.parameter_group_name == "" ? var.create_db_parameter_group : 0}"

  option_group_name             = "${coalesce(var.option_group_name, module.db_option_group.this_db_option_group_id)}"
  enable_create_db_option_group = "${var.option_group_name == "" && var.engine != "postgres" ? var.create_db_option_group : 0}"
}

module "db_subnet_group" {
  source = "./modules/db_subnet_group"

  create      = "${local.enable_create_db_subnet_group}"
  identifier  = "${var.identifier}"
  name_prefix = "${var.identifier}-"
  subnet_ids  = ["${var.subnet_ids}"]

  tags = "${var.tags}"
}

module "db_parameter_group" {
  source = "./modules/db_parameter_group"

  create      = "${local.enable_create_db_parameter_group}"
  identifier  = "${var.identifier}"
  name_prefix = "${var.identifier}-"
  family      = "${var.family}"

  parameters = ["${var.parameters}"]

  tags = "${var.tags}"
}

module "db_option_group" {
  source = "./modules/db_option_group"

  create                   = "${local.enable_create_db_option_group}"
  identifier               = "${var.identifier}"
  name_prefix              = "${var.identifier}-"
  option_group_description = "${var.option_group_description}"
  engine_name              = "${var.engine}"
  major_engine_version     = "${var.major_engine_version}"

  options = ["${var.options}"]

  tags = "${var.tags}"
}

module "db_instance" {
  source = "./modules/db_instance"

  create            = "${var.create_db_instance}"
  identifier        = "${var.identifier}"
  engine            = "${var.engine}"
  engine_version    = "${var.engine_version}"
  instance_class    = "${var.instance_class}"
  allocated_storage = "${var.allocated_storage}"
  storage_type      = "${var.storage_type}"
  storage_encrypted = "${var.storage_encrypted}"
  kms_key_id        = "${var.kms_key_id}"
  license_model     = "${var.license_model}"

  name                                = "${var.name}"
  username                            = "${var.username}"
  password                            = "${var.password}"
  port                                = "${var.port}"
  iam_database_authentication_enabled = "${var.iam_database_authentication_enabled}"

  replicate_source_db = "${var.replicate_source_db}"

  snapshot_identifier = "${var.snapshot_identifier}"

  vpc_security_group_ids = ["${var.vpc_security_group_ids}"]
  db_subnet_group_name   = "${local.db_subnet_group_name}"
  parameter_group_name   = "${local.parameter_group_name}"
  option_group_name      = "${local.option_group_name}"

  availability_zone   = "${var.availability_zone}"
  multi_az            = "${var.multi_az}"
  iops                = "${var.iops}"
  publicly_accessible = "${var.publicly_accessible}"

  allow_major_version_upgrade = "${var.allow_major_version_upgrade}"
  auto_minor_version_upgrade  = "${var.auto_minor_version_upgrade}"
  apply_immediately           = "${var.apply_immediately}"
  maintenance_window          = "${var.maintenance_window}"
  skip_final_snapshot         = "${var.skip_final_snapshot}"
  copy_tags_to_snapshot       = "${var.copy_tags_to_snapshot}"
  final_snapshot_identifier   = "${var.final_snapshot_identifier}"

  backup_retention_period = "${var.backup_retention_period}"
  backup_window           = "${var.backup_window}"

  monitoring_interval    = "${var.monitoring_interval}"
  monitoring_role_arn    = "${var.monitoring_role_arn}"
  monitoring_role_name   = "${var.monitoring_role_name}"
  create_monitoring_role = "${var.create_monitoring_role}"

  timezone                        = "${var.timezone}"
  character_set_name              = "${var.character_set_name}"
  enabled_cloudwatch_logs_exports = "${var.enabled_cloudwatch_logs_exports}"

  timeouts = "${var.timeouts}"

  deletion_protection = "${var.deletion_protection}"

  tags = "${var.tags}"
}