exec

type ExecOptions struct {
	Command []string

	Namespace     string
	PodName       string
	ContainerName string

	Stdin         io.Reader
	CaptureStdout bool
	CaptureStderr bool
	// If false, whitespace in std{err,out} will be removed.
	PreserveWhitespace bool
}

type IExec interface {
	// ExecCommandInPodSet exec cmd in pod set.
	ExecCommandInPodSet(podSet []*corev1.Pod, cmd ...string) error
}