k8s.io/kubernetes@v1.29.3/test/images/resource-consumer/utils_windows.go (about) 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 main 21 22 import ( 23 "log" 24 "os/exec" 25 "strconv" 26 "time" 27 ) 28 29 var ( 30 consumeCPUBinary = "./consume-cpu/consume-cpu.exe" 31 consumeMemBinary = "testlimit.exe" 32 ) 33 34 // ConsumeMem consumes a given number of megabytes for the specified duration. 35 func ConsumeMem(megabytes int, durationSec int) { 36 log.Printf("ConsumeMem megabytes: %v, durationSec: %v", megabytes, durationSec) 37 megabytesString := strconv.Itoa(megabytes) 38 durationSecString := strconv.Itoa(durationSec) 39 // creating new consume memory process 40 consumeMem := exec.Command(consumeMemBinary, "-accepteula", "-d", megabytesString, "-e", "0", durationSecString, "-c", "1") 41 err := consumeMem.Start() 42 if err != nil { 43 log.Printf("Error while consuming memory: %v", err) 44 return 45 } 46 47 // testlimit does not end after durationSec elapsed, so we'll stop it ourselves. 48 time.AfterFunc(time.Duration(durationSec)*time.Second, func() { 49 if err := consumeMem.Process.Kill(); err != nil { 50 log.Printf("Could not kill testlimit process! Error: %v", err) 51 } 52 }) 53 }