dotcloud/docker

package client // import "github.com/docker/docker/client"

import (
    "context"
    "net/url"

    "github.com/docker/docker/api/types/container"
)

// ContainerStats returns near realtime stats for a given container.
// It's up to the caller to close the io.ReadCloser returned.
func (cli *Client) ContainerStats(ctx context.Context, containerID string, stream bool) (container.StatsResponse, error) {
    query := url.Values{}
    query.Set("stream", "0")
    if stream {
        query.Set("stream", "1")
    }

    resp, err := cli.get(ctx, "/containers/"+containerID+"/stats", query, nil)
    if err != nil {
        return container.StatsResponse{}, err
    }

    return container.StatsResponse{
        Body:   resp.body,
        OSType: getDockerOS(resp.header.Get("Server")),
    }, nil
}

// ContainerStatsOneShot gets a single stat entry from a container.
// It differs from `ContainerStats` in that the API should not wait to prime the stats
func (cli *Client) ContainerStatsOneShot(ctx context.Context, containerID string) (container.StatsResponse, error) {
    query := url.Values{}
    query.Set("stream", "0")
    query.Set("one-shot", "1")

    resp, err := cli.get(ctx, "/containers/"+containerID+"/stats", query, nil)
    if err != nil {
        return container.StatsResponse{}, err
    }

    return container.StatsResponse{
        Body:   resp.body,
        OSType: getDockerOS(resp.header.Get("Server")),
    }, nil
}