Files
client-go/tools/clientcmd/api/helpers_test.go
Davanum Srinivas c425b7f92c Switch to sigs.k8s.io/yaml from ghodss/yaml
Change-Id: Ic72b5131bf441d159012d67a6a3d87088d0e6d31

Kubernetes-commit: 43f523d405b012fa8d90dd95b667f520e036f6bc
2018-11-02 16:41:57 -04:00

303 lines
10 KiB
Go

/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package api
import (
"fmt"
"io/ioutil"
"os"
"reflect"
"testing"
"sigs.k8s.io/yaml"
)
func newMergedConfig(certFile, certContent, keyFile, keyContent, caFile, caContent string, t *testing.T) Config {
if err := ioutil.WriteFile(certFile, []byte(certContent), 0644); err != nil {
t.Errorf("unexpected error: %v", err)
}
if err := ioutil.WriteFile(keyFile, []byte(keyContent), 0600); err != nil {
t.Errorf("unexpected error: %v", err)
}
if err := ioutil.WriteFile(caFile, []byte(caContent), 0644); err != nil {
t.Errorf("unexpected error: %v", err)
}
return Config{
AuthInfos: map[string]*AuthInfo{
"red-user": {Token: "red-token", ClientCertificateData: []byte(certContent), ClientKeyData: []byte(keyContent)},
"blue-user": {Token: "blue-token", ClientCertificate: certFile, ClientKey: keyFile}},
Clusters: map[string]*Cluster{
"cow-cluster": {Server: "http://cow.org:8080", CertificateAuthorityData: []byte(caContent)},
"chicken-cluster": {Server: "http://chicken.org:8080", CertificateAuthority: caFile}},
Contexts: map[string]*Context{
"federal-context": {AuthInfo: "red-user", Cluster: "cow-cluster"},
"shaker-context": {AuthInfo: "blue-user", Cluster: "chicken-cluster"}},
CurrentContext: "federal-context",
}
}
func TestMinifySuccess(t *testing.T) {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
if err := MinifyConfig(&mutatingConfig); err != nil {
t.Errorf("unexpected error: %v", err)
}
if len(mutatingConfig.Contexts) > 1 {
t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
}
if _, exists := mutatingConfig.Contexts["federal-context"]; !exists {
t.Errorf("missing context")
}
if len(mutatingConfig.Clusters) > 1 {
t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
}
if _, exists := mutatingConfig.Clusters["cow-cluster"]; !exists {
t.Errorf("missing cluster")
}
if len(mutatingConfig.AuthInfos) > 1 {
t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
}
if _, exists := mutatingConfig.AuthInfos["red-user"]; !exists {
t.Errorf("missing user")
}
}
func TestMinifyMissingContext(t *testing.T) {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
mutatingConfig.CurrentContext = "missing"
errMsg := "cannot locate context missing"
if err := MinifyConfig(&mutatingConfig); err == nil || err.Error() != errMsg {
t.Errorf("expected %v, got %v", errMsg, err)
}
}
func TestMinifyMissingCluster(t *testing.T) {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
delete(mutatingConfig.Clusters, mutatingConfig.Contexts[mutatingConfig.CurrentContext].Cluster)
errMsg := "cannot locate cluster cow-cluster"
if err := MinifyConfig(&mutatingConfig); err == nil || err.Error() != errMsg {
t.Errorf("expected %v, got %v", errMsg, err)
}
}
func TestMinifyMissingAuthInfo(t *testing.T) {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
mutatingConfig := newMergedConfig(certFile.Name(), "cert", keyFile.Name(), "key", caFile.Name(), "ca", t)
delete(mutatingConfig.AuthInfos, mutatingConfig.Contexts[mutatingConfig.CurrentContext].AuthInfo)
errMsg := "cannot locate user red-user"
if err := MinifyConfig(&mutatingConfig); err == nil || err.Error() != errMsg {
t.Errorf("expected %v, got %v", errMsg, err)
}
}
func TestFlattenSuccess(t *testing.T) {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
certData := "cert"
keyData := "key"
caData := "ca"
unchangingCluster := "cow-cluster"
unchangingAuthInfo := "red-user"
changingCluster := "chicken-cluster"
changingAuthInfo := "blue-user"
startingConfig := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, t)
mutatingConfig := startingConfig
if err := FlattenConfig(&mutatingConfig); err != nil {
t.Errorf("unexpected error: %v", err)
}
if len(mutatingConfig.Contexts) != 2 {
t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
}
if !reflect.DeepEqual(startingConfig.Contexts, mutatingConfig.Contexts) {
t.Errorf("expected %v, got %v", startingConfig.Contexts, mutatingConfig.Contexts)
}
if len(mutatingConfig.Clusters) != 2 {
t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
}
if !reflect.DeepEqual(startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster]) {
t.Errorf("expected %v, got %v", startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster])
}
if len(mutatingConfig.Clusters[changingCluster].CertificateAuthority) != 0 {
t.Errorf("unexpected caFile")
}
if string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData) != caData {
t.Errorf("expected %v, got %v", caData, string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData))
}
if len(mutatingConfig.AuthInfos) != 2 {
t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
}
if !reflect.DeepEqual(startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo]) {
t.Errorf("expected %v, got %v", startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo])
}
if len(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificate) != 0 {
t.Errorf("unexpected caFile")
}
if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData) != certData {
t.Errorf("expected %v, got %v", certData, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData))
}
if len(mutatingConfig.AuthInfos[changingAuthInfo].ClientKey) != 0 {
t.Errorf("unexpected caFile")
}
if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData) != keyData {
t.Errorf("expected %v, got %v", keyData, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData))
}
}
func Example_minifyAndShorten() {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
certData := "cert"
keyData := "key"
caData := "ca"
config := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, nil)
MinifyConfig(&config)
ShortenConfig(&config)
output, _ := yaml.Marshal(config)
fmt.Printf("%s", string(output))
// Output:
// clusters:
// cow-cluster:
// LocationOfOrigin: ""
// certificate-authority-data: DATA+OMITTED
// server: http://cow.org:8080
// contexts:
// federal-context:
// LocationOfOrigin: ""
// cluster: cow-cluster
// user: red-user
// current-context: federal-context
// preferences: {}
// users:
// red-user:
// LocationOfOrigin: ""
// client-certificate-data: REDACTED
// client-key-data: REDACTED
// token: red-token
}
func TestShortenSuccess(t *testing.T) {
certFile, _ := ioutil.TempFile("", "")
defer os.Remove(certFile.Name())
keyFile, _ := ioutil.TempFile("", "")
defer os.Remove(keyFile.Name())
caFile, _ := ioutil.TempFile("", "")
defer os.Remove(caFile.Name())
certData := "cert"
keyData := "key"
caData := "ca"
unchangingCluster := "chicken-cluster"
unchangingAuthInfo := "blue-user"
changingCluster := "cow-cluster"
changingAuthInfo := "red-user"
startingConfig := newMergedConfig(certFile.Name(), certData, keyFile.Name(), keyData, caFile.Name(), caData, t)
mutatingConfig := startingConfig
ShortenConfig(&mutatingConfig)
if len(mutatingConfig.Contexts) != 2 {
t.Errorf("unexpected contexts: %v", mutatingConfig.Contexts)
}
if !reflect.DeepEqual(startingConfig.Contexts, mutatingConfig.Contexts) {
t.Errorf("expected %v, got %v", startingConfig.Contexts, mutatingConfig.Contexts)
}
redacted := string(redactedBytes)
dataOmitted := string(dataOmittedBytes)
if len(mutatingConfig.Clusters) != 2 {
t.Errorf("unexpected clusters: %v", mutatingConfig.Clusters)
}
if !reflect.DeepEqual(startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster]) {
t.Errorf("expected %v, got %v", startingConfig.Clusters[unchangingCluster], mutatingConfig.Clusters[unchangingCluster])
}
if string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData) != dataOmitted {
t.Errorf("expected %v, got %v", dataOmitted, string(mutatingConfig.Clusters[changingCluster].CertificateAuthorityData))
}
if len(mutatingConfig.AuthInfos) != 2 {
t.Errorf("unexpected users: %v", mutatingConfig.AuthInfos)
}
if !reflect.DeepEqual(startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo]) {
t.Errorf("expected %v, got %v", startingConfig.AuthInfos[unchangingAuthInfo], mutatingConfig.AuthInfos[unchangingAuthInfo])
}
if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData) != redacted {
t.Errorf("expected %v, got %v", redacted, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientCertificateData))
}
if string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData) != redacted {
t.Errorf("expected %v, got %v", redacted, string(mutatingConfig.AuthInfos[changingAuthInfo].ClientKeyData))
}
}