Add support for RDS (#455)

[package]

authors = ["LMJW <heysuperming@gmail.com>"]

edition = "2018"

name = "rds-helloworld"

version = "0.1.0"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]

rds = {package = "aws-sdk-rds", path = "../../build/aws-sdk/rds"}

tokio = {version = "1", features = ["full"]}

/*

 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.

 * SPDX-License-Identifier: Apache-2.0.

 */

#[tokio::main]

async fn main() -> Result<(), rds::Error> {

    let conf = rds::Config::builder()

        .region(rds::Region::new("us-east-1"))

        .build();

    let client = rds::Client::from_conf(conf);

    let result = client.describe_db_instances().send().await?;

    for db_instance in result.db_instances.unwrap_or_default() {

        println!(

            "DB instance identifier: {:?}",

            db_instance

                .db_instance_identifier

                .expect("instance should have identifiers")

        );

        println!(

            "DB instance class: {:?}",

            db_instance

                .db_instance_class

                .expect("instance should have class")

        );

        println!(

            "DB instance engine: {:?}",

            db_instance.engine.expect("instance should have engine")

        );

        println!(

            "DB instance status: {:?}",

            db_instance

                .db_instance_status

                .expect("instance should have status")

        );

        println!(

            "DB instance endpoint: {:?}",

            db_instance.endpoint.expect("instance should have endpoint")

        );

    }

    Ok(())

}