131 lines
3.3 KiB
Go
131 lines
3.3 KiB
Go
/*
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Copyright 2017 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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"k8s.io/apimachinery/pkg/api/equality"
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"k8s.io/apimachinery/pkg/util/diff"
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"k8s.io/client-go/rest"
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clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
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)
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func TestAuthenticationDetection(t *testing.T) {
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tests := []struct {
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name string
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kubeconfig clientcmdapi.Config
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serverName string
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expected rest.Config
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}{
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{
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name: "empty",
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serverName: "foo.com",
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},
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{
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name: "fallback to current context",
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serverName: "foo.com",
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kubeconfig: clientcmdapi.Config{
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AuthInfos: map[string]*clientcmdapi.AuthInfo{
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"bar.com": {Token: "bar"},
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},
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Contexts: map[string]*clientcmdapi.Context{
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"ctx": {
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AuthInfo: "bar.com",
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},
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},
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CurrentContext: "ctx",
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},
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expected: rest.Config{BearerToken: "bar"},
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},
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{
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name: "exact match",
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serverName: "foo.com",
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kubeconfig: clientcmdapi.Config{
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AuthInfos: map[string]*clientcmdapi.AuthInfo{
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"foo.com": {Token: "foo"},
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"*.com": {Token: "foo-star"},
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"bar.com": {Token: "bar"},
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},
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},
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expected: rest.Config{BearerToken: "foo"},
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},
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{
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name: "partial star match",
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serverName: "foo.com",
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kubeconfig: clientcmdapi.Config{
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AuthInfos: map[string]*clientcmdapi.AuthInfo{
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"*.com": {Token: "foo-star"},
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"bar.com": {Token: "bar"},
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},
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},
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expected: rest.Config{BearerToken: "foo-star"},
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},
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{
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name: "full star match",
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serverName: "foo.com",
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kubeconfig: clientcmdapi.Config{
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AuthInfos: map[string]*clientcmdapi.AuthInfo{
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"*": {Token: "star"},
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"bar.com": {Token: "bar"},
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},
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},
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expected: rest.Config{BearerToken: "star"},
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},
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{
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name: "skip bad in cluster config",
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serverName: "kubernetes.default.svc",
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kubeconfig: clientcmdapi.Config{
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AuthInfos: map[string]*clientcmdapi.AuthInfo{
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"*": {Token: "star"},
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"bar.com": {Token: "bar"},
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},
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},
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expected: rest.Config{BearerToken: "star"},
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},
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{
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name: "most selective",
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serverName: "one.two.three.com",
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kubeconfig: clientcmdapi.Config{
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AuthInfos: map[string]*clientcmdapi.AuthInfo{
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"*.two.three.com": {Token: "first"},
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"*.three.com": {Token: "second"},
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"*.com": {Token: "third"},
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},
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},
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expected: rest.Config{BearerToken: "first"},
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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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resolver := defaultAuthenticationInfoResolver{kubeconfig: tc.kubeconfig}
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actual, err := resolver.ClientConfigFor(tc.serverName)
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if err != nil {
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t.Fatal(err)
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}
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actual.UserAgent = ""
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actual.Timeout = 0
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if !equality.Semantic.DeepEqual(*actual, tc.expected) {
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t.Errorf("%v", diff.ObjectReflectDiff(tc.expected, *actual))
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}
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})
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}
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}
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