resource_constraints param: --cpu

[alexsunxl]

how can i use ‘--cpus’ directly

https://docs.docker.com/config/containers/resource_constraints/#cpu

[fussybeaver]

As it says in the docs, you'll need to use a combination of cpu_period and cpu_quota.

I haven't tested it, but maybe something like:

    let docker = Docker::connect_with_socket_defaults().unwrap();

    const IMAGE: &'static str = "alpine:3";

    docker
        .create_image(
            Some(CreateImageOptions {
                from_image: IMAGE,
                ..Default::default()
            }),
            None,
            None,
        )
        .try_collect::<Vec<_>>()
        .await?;

    let alpine_config = Config {
        image: Some(IMAGE),
        tty: Some(true),
        host_config: Some(HostConfig {
            cpu_period: Some(100000),
            cpu_quota: Some(150000),
            ..Default::default()
        }),
        ..Default::default()
    };

    let id = docker
        .create_container::<&str, &str>(None, alpine_config)
        .await?
        .id;
    docker.start_container::<String>(&id, None).await?;

[alexsunxl]

@fussybeaver Hello
I know the combination of --cpu_period and --cpu_quota. But it's a little cumbersome， I just want to use --cpus only .