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package docker
import (
"encoding/json"
"errors"
"fmt"
"net/http"
)
// TopResult represents the list of processes running in a container, as
// returned by /containers/<id>/top.
//
// See https://goo.gl/FLwpPl for more details.
type TopResult struct {
Titles []string
Processes [][]string
}
// TopContainer returns processes running inside a container
//
// See https://goo.gl/FLwpPl for more details.
func (c *Client) TopContainer(id string, psArgs string) (TopResult, error) {
var args string
var result TopResult
if psArgs != "" {
args = fmt.Sprintf("?ps_args=%s", psArgs)
}
path := fmt.Sprintf("/containers/%s/top%s", id, args)
resp, err := c.do(http.MethodGet, path, doOptions{})
if err != nil {
var e *Error
if errors.As(err, &e) && e.Status == http.StatusNotFound {
return result, &NoSuchContainer{ID: id}
}
return result, err
}
defer resp.Body.Close()
err = json.NewDecoder(resp.Body).Decode(&result)
return result, err
}
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