92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
/*
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Copyright 2024 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 webhook
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import (
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"testing"
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"golang.org/x/net/http2"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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func TestWebhookClientConfig(t *testing.T) {
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cm, _ := NewClientManager([]schema.GroupVersion{})
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authInfoResolver, err := NewDefaultAuthenticationInfoResolver("")
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if err != nil {
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t.Fatal(err)
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}
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cm.SetAuthenticationInfoResolver(authInfoResolver)
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cm.SetServiceResolver(NewDefaultServiceResolver())
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tests := []struct {
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name string
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url string
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expectAllowHTTP2 bool
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}{
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{
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name: "force http1",
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url: "https://webhook.example.com",
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expectAllowHTTP2: false,
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},
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{
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name: "allow http2 for localhost",
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url: "https://localhost",
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expectAllowHTTP2: true,
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},
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{
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name: "allow http2 for 127.0.0.1",
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url: "https://127.0.0.1",
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expectAllowHTTP2: true,
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},
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{
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name: "allow http2 for [::1]:0",
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url: "https://[::1]",
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expectAllowHTTP2: true,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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cc := ClientConfig{
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URL: tc.url,
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}
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cfg, err := cm.hookClientConfig(cc)
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if err != nil {
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t.Fatal(err)
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}
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if tc.expectAllowHTTP2 && !allowHTTP2(cfg.NextProtos) {
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t.Errorf("expected allow http/2, got: %v", cfg.NextProtos)
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}
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})
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}
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}
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func allowHTTP2(nextProtos []string) bool {
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if len(nextProtos) == 0 {
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// the transport expressed no NextProto preference, allow
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return true
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}
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for _, p := range nextProtos {
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if p == http2.NextProtoTLS {
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// the transport explicitly allowed http/2
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return true
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}
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}
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// the transport explicitly set NextProtos and excluded http/2
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return false
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}
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