github.phpd.cn/cilium/cilium@v1.6.12/pkg/k8s/utils/utils.go (about) 1 // Copyright 2018 Authors of Cilium 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package utils 16 17 import ( 18 "k8s.io/api/core/v1" 19 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 20 "k8s.io/kubernetes/pkg/kubelet/types" 21 ) 22 23 // ExtractNamespace extracts the namespace of ObjectMeta. 24 func ExtractNamespace(np metav1.Object) string { 25 ns := np.GetNamespace() 26 if ns == "" { 27 return v1.NamespaceDefault 28 } 29 return ns 30 } 31 32 // GetObjNamespaceName returns the object's namespace and name. 33 func GetObjNamespaceName(obj metav1.Object) string { 34 return ExtractNamespace(obj) + "/" + obj.GetName() 35 } 36 37 // GetObjUID returns the object's namespace and name. 38 func GetObjUID(obj metav1.Object) string { 39 return GetObjNamespaceName(obj) + "/" + string(obj.GetUID()) 40 } 41 42 // IsInfraContainer returns true if the given set of labels represent a infra 43 // container. 44 func IsInfraContainer(labels map[string]string) bool { 45 return labels[types.KubernetesContainerNameLabel] == "POD" 46 47 }