in pkg/controller/nameservice/nameservice_controller.go [297:306]
func getNameServers(pods []corev1.Pod) []string {
var nameServers []string
for _, pod := range pods {
if pod.Status.Phase == corev1.PodRunning &&
!strings.EqualFold(pod.Status.PodIP, "") {
nameServers = append(nameServers, pod.Status.PodIP)
}
}
return nameServers
}