1 /* 2 Copyright 2021 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package sysctl 18 19 import ( 20 v1 "k8s.io/api/core/v1" 21 utilsysctl "k8s.io/component-helpers/node/util/sysctl" 22 ) 23 24 // ConvertPodSysctlsVariableToDotsSeparator converts sysctls variable in the Pod.Spec.SecurityContext.Sysctls slice into a dot as a separator 25 // according to the linux sysctl conversion rules. 26 // see https://man7.org/linux/man-pages/man5/sysctl.d.5.html for more details. 27 func ConvertPodSysctlsVariableToDotsSeparator(securityContext *v1.PodSecurityContext) { 28 if securityContext == nil { 29 return 30 } 31 for i, sysctl := range securityContext.Sysctls { 32 securityContext.Sysctls[i].Name = utilsysctl.NormalizeName(sysctl.Name) 33 } 34 return 35 } 36