mirror of
https://github.com/k3s-io/kubernetes.git
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108 lines
3.2 KiB
Go
108 lines
3.2 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package apimachinery
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import (
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"io/ioutil"
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"net/http"
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"strings"
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"github.com/onsi/ginkgo"
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"k8s.io/client-go/rest"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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const (
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invalidTimeoutMessageExpected = "invalid timeout specified in the request URL"
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)
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var _ = SIGDescribe("Server request timeout", func() {
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f := framework.NewDefaultFramework("request-timeout")
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ginkgo.It("should return HTTP status code 400 if the user specifies an invalid timeout in the request URL", func() {
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rt := getRoundTripper(f)
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req := newRequest(f, "invalid")
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response, err := rt.RoundTrip(req)
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framework.ExpectNoError(err)
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defer response.Body.Close()
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if response.StatusCode != http.StatusBadRequest {
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framework.Failf("expected HTTP status code: %d, but got: %d", http.StatusBadRequest, response.StatusCode)
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}
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messageGot := readBody(response)
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if !strings.Contains(messageGot, invalidTimeoutMessageExpected) {
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framework.Failf("expected HTTP status message to contain: %s, but got: %s", invalidTimeoutMessageExpected, messageGot)
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}
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})
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ginkgo.It("the request should be served with a default timeout if the specified timeout in the request URL exceeds maximum allowed", func() {
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rt := getRoundTripper(f)
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// Choose a timeout that exceeds the default timeout (60s) enforced by the apiserver
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req := newRequest(f, "3m")
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response, err := rt.RoundTrip(req)
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framework.ExpectNoError(err)
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defer response.Body.Close()
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if response.StatusCode != http.StatusOK {
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framework.Failf("expected HTTP status code: %d, but got: %d", http.StatusOK, response.StatusCode)
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}
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})
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ginkgo.It("default timeout should be used if the specified timeout in the request URL is 0s", func() {
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rt := getRoundTripper(f)
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req := newRequest(f, "0s")
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response, err := rt.RoundTrip(req)
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framework.ExpectNoError(err)
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defer response.Body.Close()
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if response.StatusCode != http.StatusOK {
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framework.Failf("expected HTTP status code: %d, but got: %d", http.StatusOK, response.StatusCode)
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}
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})
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})
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func getRoundTripper(f *framework.Framework) http.RoundTripper {
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config := rest.CopyConfig(f.ClientConfig())
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// ensure we don't enforce any transport timeout from the client side.
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config.Timeout = 0
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roundTripper, err := rest.TransportFor(config)
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framework.ExpectNoError(err)
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return roundTripper
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}
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func newRequest(f *framework.Framework, timeout string) *http.Request {
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req, err := http.NewRequest(http.MethodGet, f.ClientSet.CoreV1().RESTClient().Get().
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Param("timeout", timeout).AbsPath("version").URL().String(), nil)
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framework.ExpectNoError(err)
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return req
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}
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func readBody(response *http.Response) string {
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raw, err := ioutil.ReadAll(response.Body)
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framework.ExpectNoError(err)
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return string(raw)
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}
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