describe ec2 instances

describe.rs

extern crate rusoto_core;
extern crate rusoto_ec2;

use rusoto_core::{default_tls_client, DefaultCredentialsProvider, Region};
use rusoto_ec2::{Ec2Client, Ec2, DescribeInstancesRequest};


fn main() {
  let dispatcher = default_tls_client().unwrap();
  let provider = DefaultCredentialsProvider::new().unwrap();
  let client = Ec2Client::new(dispatcher, provider, Region::UsEast1);
  let req = DescribeInstancesRequest::default();
  println!("{:?}", client.describe_instances(&req));
}