mirror of
https://github.com/kubernetes/client-go.git
synced 2025-07-22 02:43:14 +00:00
342 lines
12 KiB
Go
342 lines
12 KiB
Go
/*
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Copyright 2015 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 api
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import (
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"bytes"
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"fmt"
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"os"
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"reflect"
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"testing"
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utiltesting "k8s.io/client-go/util/testing"
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"sigs.k8s.io/yaml"
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)
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func newMergedConfig(certFile, certContent, keyFile, keyContent, caFile, caContent string, t *testing.T) Config {
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if err := os.WriteFile(certFile, []byte(certContent), 0644); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if err := os.WriteFile(keyFile, []byte(keyContent), 0600); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if err := os.WriteFile(caFile, []byte(caContent), 0644); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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return Config{
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AuthInfos: map[string]*AuthInfo{
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"red-user": {Token: "red-token", ClientCertificateData: []byte(certContent), ClientKeyData: []byte(keyContent)},
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"blue-user": {Token: "blue-token", ClientCertificate: certFile, ClientKey: keyFile}},
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Clusters: map[string]*Cluster{
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"cow-cluster": {Server: "http://cow.org:8080", CertificateAuthorityData: []byte(caContent)},
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"chicken-cluster": {Server: "http://chicken.org:8080", CertificateAuthority: caFile}},
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Contexts: map[string]*Context{
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"federal-context": {AuthInfo: "red-user", Cluster: "cow-cluster"},
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"shaker-context": {AuthInfo: "blue-user", Cluster: "chicken-cluster"}},
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CurrentContext: "federal-context",
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}
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}
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func TestMinifySuccess(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(t, certFile, keyFile, caFile)
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mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
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if err := MinifyConfig(&mutatingConfig); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(mutatingConfig.Contexts) > 1 {
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t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
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}
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if _, exists := mutatingConfig.Contexts["federal-context"]; !exists {
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t.Errorf("missing context")
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}
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if len(mutatingConfig.Clusters) > 1 {
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t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
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}
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if _, exists := mutatingConfig.Clusters["cow-cluster"]; !exists {
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t.Errorf("missing cluster")
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}
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if len(mutatingConfig.AuthInfos) > 1 {
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t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
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}
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if _, exists := mutatingConfig.AuthInfos["red-user"]; !exists {
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t.Errorf("missing user")
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}
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}
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func TestMinifyMissingContext(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(t, certFile, keyFile, caFile)
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mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
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mutatingConfig.CurrentContext = "missing"
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errMsg := "cannot locate context missing"
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if err := MinifyConfig(&mutatingConfig); err == nil || err.Error() != errMsg {
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t.Errorf("expected %v, got %v", errMsg, err)
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}
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}
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func TestMinifyMissingCluster(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(t, certFile, keyFile, caFile)
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mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
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delete(mutatingConfig.Clusters, mutatingConfig.Contexts[mutatingConfig.CurrentContext].Cluster)
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errMsg := "cannot locate cluster cow-cluster"
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if err := MinifyConfig(&mutatingConfig); err == nil || err.Error() != errMsg {
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t.Errorf("expected %v, got %v", errMsg, err)
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}
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}
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func TestMinifyMissingAuthInfo(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(t, certFile, keyFile, caFile)
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mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
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delete(mutatingConfig.AuthInfos, mutatingConfig.Contexts[mutatingConfig.CurrentContext].AuthInfo)
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errMsg := "cannot locate user red-user"
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if err := MinifyConfig(&mutatingConfig); err == nil || err.Error() != errMsg {
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t.Errorf("expected %v, got %v", errMsg, err)
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}
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}
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func TestFlattenSuccess(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(t, certFile, keyFile, caFile)
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certData := "cert"
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keyData := "key"
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caData := "ca"
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unchangingCluster := "cow-cluster"
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unchangingAuthInfo := "red-user"
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changingCluster := "chicken-cluster"
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changingAuthInfo := "blue-user"
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startingConfig := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, t)
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mutatingConfig := startingConfig
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if err := FlattenConfig(&mutatingConfig); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(mutatingConfig.Contexts) != 2 {
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t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
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}
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if !reflect.DeepEqual(startingConfig.Contexts, mutatingConfig.Contexts) {
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t.Errorf("expected %v, got %v", startingConfig.Contexts, mutatingConfig.Contexts)
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}
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if len(mutatingConfig.Clusters) != 2 {
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t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
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}
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if !reflect.DeepEqual(startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster]) {
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t.Errorf("expected %v, got %v", startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster])
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}
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if len(mutatingConfig.Clusters[changingCluster].CertificateAuthority) != 0 {
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t.Errorf("unexpected caFile")
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}
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if string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData) != caData {
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t.Errorf("expected %v, got %v", caData, string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData))
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}
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if len(mutatingConfig.AuthInfos) != 2 {
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t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
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}
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if !reflect.DeepEqual(startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo]) {
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t.Errorf("expected %v, got %v", startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo])
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}
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if len(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificate) != 0 {
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t.Errorf("unexpected caFile")
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}
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if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData) != certData {
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t.Errorf("expected %v, got %v", certData, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData))
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}
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if len(mutatingConfig.AuthInfos[changingAuthInfo].ClientKey) != 0 {
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t.Errorf("unexpected caFile")
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}
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if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData) != keyData {
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t.Errorf("expected %v, got %v", keyData, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData))
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}
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}
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func Example_minifyAndShorten() {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(&testing.T{}, certFile, keyFile, caFile)
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certData := "cert"
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keyData := "key"
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caData := "ca"
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config := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, nil)
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MinifyConfig(&config)
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ShortenConfig(&config)
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output, _ := yaml.Marshal(config)
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fmt.Printf("%s", string(output))
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// Output:
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// clusters:
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// cow-cluster:
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// certificate-authority-data: DATA+OMITTED
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// server: http://cow.org:8080
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// contexts:
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// federal-context:
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// cluster: cow-cluster
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// user: red-user
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// current-context: federal-context
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// preferences: {}
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// users:
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// red-user:
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// client-certificate-data: DATA+OMITTED
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// client-key-data: DATA+OMITTED
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// token: REDACTED
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}
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func TestShortenSuccess(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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keyFile, _ := os.CreateTemp("", "")
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caFile, _ := os.CreateTemp("", "")
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defer utiltesting.CloseAndRemove(t, certFile, keyFile, caFile)
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certData := "cert"
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keyData := "key"
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caData := "ca"
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unchangingCluster := "chicken-cluster"
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unchangingAuthInfo := "blue-user"
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changingCluster := "cow-cluster"
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changingAuthInfo := "red-user"
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startingConfig := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, t)
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mutatingConfig := startingConfig
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ShortenConfig(&mutatingConfig)
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if len(mutatingConfig.Contexts) != 2 {
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t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
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}
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if !reflect.DeepEqual(startingConfig.Contexts, mutatingConfig.Contexts) {
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t.Errorf("expected %v, got %v", startingConfig.Contexts, mutatingConfig.Contexts)
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}
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dataOmitted := string(dataOmittedBytes)
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if len(mutatingConfig.Clusters) != 2 {
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t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
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}
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if !reflect.DeepEqual(startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster]) {
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t.Errorf("expected %v, got %v", startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster])
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}
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if string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData) != dataOmitted {
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t.Errorf("expected %v, got %v", dataOmitted, string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData))
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}
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if len(mutatingConfig.AuthInfos) != 2 {
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t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
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}
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if !reflect.DeepEqual(startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo]) {
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t.Errorf("expected %v, got %v", startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo])
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}
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if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData) != dataOmitted {
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t.Errorf("expected %v, got %v", dataOmitted, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData))
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}
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if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData) != dataOmitted {
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t.Errorf("expected %v, got %v", dataOmitted, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData))
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}
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if mutatingConfig.AuthInfos[changingAuthInfo].Token != "REDACTED" {
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t.Errorf("expected REDACTED, got %q", mutatingConfig.AuthInfos[changingAuthInfo].Token)
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}
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}
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func TestRedactSecrets(t *testing.T) {
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certFile, _ := os.CreateTemp("", "")
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defer os.Remove(certFile.Name())
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keyFile, _ := os.CreateTemp("", "")
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defer os.Remove(keyFile.Name())
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caFile, _ := os.CreateTemp("", "")
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defer os.Remove(caFile.Name())
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certData := "cert"
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keyData := "key"
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caData := "ca"
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unchangingCluster := "chicken-cluster"
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unchangingAuthInfo := "blue-user"
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changingAuthInfo := "red-user"
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startingConfig := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, t)
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mutatingConfig := startingConfig
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err := RedactSecrets(&mutatingConfig)
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if err != nil {
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t.Errorf("unexpected error redacting secrets:\n%v", err)
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}
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if len(mutatingConfig.Contexts) != 2 {
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t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
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}
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if !reflect.DeepEqual(startingConfig.Contexts, mutatingConfig.Contexts) {
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t.Errorf("expected %v, got %v", startingConfig.Contexts, mutatingConfig.Contexts)
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}
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if len(mutatingConfig.Clusters) != 2 {
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t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
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}
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if !reflect.DeepEqual(startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster]) {
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t.Errorf("expected %v, got %v", startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster])
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}
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if len(mutatingConfig.AuthInfos) != 2 {
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t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
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}
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if !reflect.DeepEqual(startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo]) {
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t.Errorf("expected %v, got %v", startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo])
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}
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if mutatingConfig.AuthInfos[changingAuthInfo].Token != "REDACTED" {
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t.Errorf("expected REDACTED, got %v", mutatingConfig.AuthInfos[changingAuthInfo].Token)
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}
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if !bytes.Equal(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData, []byte("REDACTED")) {
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t.Errorf("expected REDACTED, got %s", mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData)
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}
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}
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