// errors if any.
func (pr execProber) Probe(e exec.Cmd) (probe.Result, string, error) {
	var dataBuffer bytes.Buffer
	writer := ioutils.LimitWriter(&dataBuffer, maxReadLength)

	e.SetStderr(writer)
	e.SetStdout(writer)
	err := e.Start()
	if err == nil {
		err = e.Wait()
	}
	data := dataBuffer.Bytes()

	klog.V(4).Infof("Exec probe response: %q", string(data))
	if err != nil {
		exit, ok := err.(exec.ExitError)

	return f.out, f.err
}

func (f *FakeCmd) Output() ([]byte, error) {
	return f.stdout, f.err
}

func (f *FakeCmd) SetDir(dir string) {}

func (f *FakeCmd) SetStdin(in io.Reader) {}

func (f *FakeCmd) SetStdout(out io.Writer) {
	f.writer = out
}

func (f *FakeCmd) SetStderr(out io.Writer) {
	f.writer = out
}

func (f *FakeCmd) SetEnv(env []string) {}

func (f *FakeCmd) Stop() {}