kubernetes/cmd/kubeadm/app/phases/kubelet/kubelet.go

// TryStartKubelet attempts to bring up kubelet service
func TryStartKubelet() { … }

// TryStopKubelet attempts to bring down the kubelet service momentarily
func TryStopKubelet() { … }

// TryRestartKubelet attempts to restart the kubelet service
func TryRestartKubelet() { … }