main.rs

extern crate env_logger;
extern crate rusoto_ec2;

fn main() {
    use rusoto_ec2::Ec2;

    env_logger::init();

    // my VPC case in ap-northeast-1 region
    let image_id = "ami-7a1be605";
    let subnet_ids = ["subnet-823cd2ea", "subnet-813cd2e9", "subnet-1248393a"];
    let instance_types = [
        "t2.micro",
        "t2.small",
        "t2.medium",
        "t2.large",
        "t2.xlarge",
        "t2.2xlarge",
        "m4.large",
        // Adding the line below causes `Err(Unknown(""))` error
        // "m4.xlarge",
    ];

    let launch_specifications = instance_types
        .iter()
        .flat_map(|instance_type| {
            subnet_ids
                .iter()
                .map(|subnet_id| rusoto_ec2::SpotFleetLaunchSpecification {
                    image_id: Some(image_id.to_owned()),
                    spot_price: Some("0.001".to_owned()),
                    instance_type: Some(instance_type.to_string()),
                    subnet_id: Some(subnet_id.to_string()),
                    weighted_capacity: Some(1.0),
                    block_device_mappings: Some(vec![
                        rusoto_ec2::BlockDeviceMapping {
                            device_name: Some("/dev/sda1".to_owned()),
                            ebs: Some(rusoto_ec2::EbsBlockDevice {
                                delete_on_termination: Some(true),
                                volume_size: Some(20),
                                volume_type: Some("gp2".to_owned()),
                                ..Default::default()
                            }),
                            ..Default::default()
                        },
                    ]),
                    ..Default::default()
                })
                .collect::<Vec<rusoto_ec2::SpotFleetLaunchSpecification>>()
        })
        .collect();

    let ec2_client = rusoto_ec2::Ec2Client::simple(Default::default());
    let resp = ec2_client
        .request_spot_fleet(&rusoto_ec2::RequestSpotFleetRequest {
            spot_fleet_request_config: rusoto_ec2::SpotFleetRequestConfigData {
                iam_fleet_role: "arn:aws:iam::274147449864:role/AmazonEC2SpotFleetTaggingRole"
                    .to_owned(),
                launch_specifications: Some(launch_specifications),
                target_capacity: 0,
                ..Default::default()
            },
            ..Default::default()
        })
        .sync();
    println!("{:?}", resp);
}