// Use underscore as the delimiter because it is not allowed in pod name
	// (DNS subdomain format).
	return pod.Name + "_" + pod.Namespace
}

// GetPodStartTime returns start time of the given pod or current timestamp
// if it hasn't started yet.
func GetPodStartTime(pod *v1.Pod) *metav1.Time {
	if pod.Status.StartTime != nil {
		return pod.Status.StartTime
	}