    # File lib/fog/aws/models/rds/server.rb, line 89
            def save
              requires :engine
              requires :allocated_storage
              requires :master_username
              requires :password

              self.flavor_id ||= 'db.m1.small'

              data = service.create_db_instance(id, attributes_to_params)
              merge_attributes(data.body['CreateDBInstanceResult']['DBInstance'])
              true
            end