k8s.io/kubernetes@v1.29.3/test/integration/utils.go (about) 1 /* 2 Copyright 2014 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 integration 18 19 import ( 20 "context" 21 "testing" 22 "time" 23 24 "google.golang.org/grpc" 25 apierrors "k8s.io/apimachinery/pkg/api/errors" 26 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 27 "k8s.io/apimachinery/pkg/util/wait" 28 "k8s.io/apiserver/pkg/storage/storagebackend" 29 clientset "k8s.io/client-go/kubernetes" 30 coreclient "k8s.io/client-go/kubernetes/typed/core/v1" 31 32 "go.etcd.io/etcd/client/pkg/v3/transport" 33 clientv3 "go.etcd.io/etcd/client/v3" 34 ) 35 36 // DeletePodOrErrorf deletes a pod or fails with a call to t.Errorf. 37 func DeletePodOrErrorf(t *testing.T, c clientset.Interface, ns, name string) { 38 if err := c.CoreV1().Pods(ns).Delete(context.TODO(), name, metav1.DeleteOptions{}); err != nil { 39 t.Errorf("unable to delete pod %v: %v", name, err) 40 } 41 } 42 43 // Requests to try. Each one should be forbidden or not forbidden 44 // depending on the authentication and authorization setup of the API server. 45 var ( 46 Code200 = map[int]bool{200: true} 47 Code201 = map[int]bool{201: true} 48 Code400 = map[int]bool{400: true} 49 Code401 = map[int]bool{401: true} 50 Code403 = map[int]bool{403: true} 51 Code404 = map[int]bool{404: true} 52 Code405 = map[int]bool{405: true} 53 Code503 = map[int]bool{503: true} 54 ) 55 56 // WaitForPodToDisappear polls the API server if the pod has been deleted. 57 func WaitForPodToDisappear(podClient coreclient.PodInterface, podName string, interval, timeout time.Duration) error { 58 return wait.PollImmediate(interval, timeout, func() (bool, error) { 59 _, err := podClient.Get(context.TODO(), podName, metav1.GetOptions{}) 60 if err == nil { 61 return false, nil 62 } 63 if apierrors.IsNotFound(err) { 64 return true, nil 65 } 66 return false, err 67 }) 68 } 69 70 // GetEtcdClients returns an initialized clientv3.Client and clientv3.KV. 71 func GetEtcdClients(config storagebackend.TransportConfig) (*clientv3.Client, clientv3.KV, error) { 72 tlsInfo := transport.TLSInfo{ 73 CertFile: config.CertFile, 74 KeyFile: config.KeyFile, 75 TrustedCAFile: config.TrustedCAFile, 76 } 77 78 tlsConfig, err := tlsInfo.ClientConfig() 79 if err != nil { 80 return nil, nil, err 81 } 82 83 cfg := clientv3.Config{ 84 Endpoints: config.ServerList, 85 DialTimeout: 20 * time.Second, 86 DialOptions: []grpc.DialOption{ 87 grpc.WithBlock(), // block until the underlying connection is up 88 }, 89 TLS: tlsConfig, 90 } 91 92 c, err := clientv3.New(cfg) 93 if err != nil { 94 return nil, nil, err 95 } 96 97 return c, clientv3.NewKV(c), nil 98 }