k8s.io/kubernetes@v1.29.3/test/e2e/apimachinery/request_timeout.go (about) 1 /* 2 Copyright 2020 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 apimachinery 18 19 import ( 20 "context" 21 "io" 22 "net/http" 23 "strings" 24 25 "github.com/onsi/ginkgo/v2" 26 "k8s.io/client-go/rest" 27 "k8s.io/kubernetes/test/e2e/framework" 28 admissionapi "k8s.io/pod-security-admission/api" 29 ) 30 31 const ( 32 invalidTimeoutMessageExpected = "invalid timeout specified in the request URL" 33 ) 34 35 var _ = SIGDescribe("Server request timeout", func() { 36 f := framework.NewDefaultFramework("request-timeout") 37 f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged 38 39 ginkgo.It("should return HTTP status code 400 if the user specifies an invalid timeout in the request URL", func(ctx context.Context) { 40 rt := getRoundTripper(f) 41 req := newRequest(f, "invalid") 42 43 response, err := rt.RoundTrip(req) 44 framework.ExpectNoError(err) 45 defer response.Body.Close() 46 47 if response.StatusCode != http.StatusBadRequest { 48 framework.Failf("expected HTTP status code: %d, but got: %d", http.StatusBadRequest, response.StatusCode) 49 } 50 51 messageGot := readBody(response) 52 if !strings.Contains(messageGot, invalidTimeoutMessageExpected) { 53 framework.Failf("expected HTTP status message to contain: %s, but got: %s", invalidTimeoutMessageExpected, messageGot) 54 } 55 }) 56 57 ginkgo.It("the request should be served with a default timeout if the specified timeout in the request URL exceeds maximum allowed", func(ctx context.Context) { 58 rt := getRoundTripper(f) 59 // Choose a timeout that exceeds the default timeout (60s) enforced by the apiserver 60 req := newRequest(f, "3m") 61 62 response, err := rt.RoundTrip(req) 63 framework.ExpectNoError(err) 64 defer response.Body.Close() 65 66 if response.StatusCode != http.StatusOK { 67 framework.Failf("expected HTTP status code: %d, but got: %d", http.StatusOK, response.StatusCode) 68 } 69 }) 70 71 ginkgo.It("default timeout should be used if the specified timeout in the request URL is 0s", func(ctx context.Context) { 72 rt := getRoundTripper(f) 73 req := newRequest(f, "0s") 74 75 response, err := rt.RoundTrip(req) 76 framework.ExpectNoError(err) 77 defer response.Body.Close() 78 79 if response.StatusCode != http.StatusOK { 80 framework.Failf("expected HTTP status code: %d, but got: %d", http.StatusOK, response.StatusCode) 81 } 82 }) 83 }) 84 85 func getRoundTripper(f *framework.Framework) http.RoundTripper { 86 config := rest.CopyConfig(f.ClientConfig()) 87 88 // ensure we don't enforce any transport timeout from the client side. 89 config.Timeout = 0 90 91 roundTripper, err := rest.TransportFor(config) 92 framework.ExpectNoError(err) 93 94 return roundTripper 95 } 96 97 func newRequest(f *framework.Framework, timeout string) *http.Request { 98 req, err := http.NewRequest(http.MethodGet, f.ClientSet.CoreV1().RESTClient().Get(). 99 Param("timeout", timeout).AbsPath("version").URL().String(), nil) 100 framework.ExpectNoError(err) 101 102 return req 103 } 104 105 func readBody(response *http.Response) string { 106 raw, err := io.ReadAll(response.Body) 107 framework.ExpectNoError(err) 108 109 return string(raw) 110 }