1 //go:build windows 2 // +build windows 3 4 /* 5 Copyright 2021 The Kubernetes Authors. 6 7 Licensed under the Apache License, Version 2.0 (the "License"); 8 you may not use this file except in compliance with the License. 9 You may obtain a copy of the License at 10 11 http://www.apache.org/licenses/LICENSE-2.0 12 13 Unless required by applicable law or agreed to in writing, software 14 distributed under the License is distributed on an "AS IS" BASIS, 15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 See the License for the specific language governing permissions and 17 limitations under the License. 18 */ 19 20 package app 21 22 import ( 23 "errors" 24 "os/user" 25 26 "golang.org/x/sys/windows" 27 "k8s.io/klog/v2" 28 ) 29 30 func checkPermissions() error { 31 32 u, err := user.Current() 33 if err != nil { 34 klog.ErrorS(err, "Unable to get current user") 35 return err 36 } 37 38 // For Windows user.UserName contains the login name and user.Name contains 39 // the user's display name - https://pkg.go.dev/os/user#User 40 klog.InfoS("Kubelet is running as", "login name", u.Username, "dispaly name", u.Name) 41 42 if !windows.GetCurrentProcessToken().IsElevated() { 43 return errors.New("kubelet needs to run with elevated permissions!") 44 } 45 46 return nil 47 } 48