client/container_export.go

package client

import (
	"context"
	"io"
	"net/url"
)

// ContainerExport retrieves the raw contents of a container
// and returns them as an io.ReadCloser. It's up to the caller
// to close the stream.
func (cli *Client) ContainerExport(ctx context.Context, containerID string) (io.ReadCloser, error) {
	containerID, err := trimID("container", containerID)
	if err != nil {
		return nil, err
	}

	resp, err := cli.get(ctx, "/containers/"+containerID+"/export", url.Values{}, nil)
	if err != nil {
		return nil, err
	}

	return resp.Body, nil
}