kubernetes set_credentials_test 源码
kubernetes set_credentials_test 代码
文件路径：/staging/src/k8s.io/kubectl/pkg/cmd/config/set_credentials_test.go
/*
Copyright 2016 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 config
import (
"bytes"
"io/ioutil"
"os"
"reflect"
"testing"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
cliflag "k8s.io/component-base/cli/flag"
)
func stringFlagFor(s string) cliflag.StringFlag {
var f cliflag.StringFlag
f.Set(s)
return f
}
func TestSetCredentialsOptions(t *testing.T) {
tests := []struct {
name string
flags []string
wantParseErr bool
wantCompleteErr bool
wantValidateErr bool
wantOptions *setCredentialsOptions
}{
{
name: "test1",
flags: []string{
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
},
},
{
name: "test2",
flags: []string{
"me",
"--token=foo",
},
wantOptions: &setCredentialsOptions{
name: "me",
token: stringFlagFor("foo"),
},
},
{
name: "test3",
flags: []string{
"me",
"--username=jane",
"--password=bar",
},
wantOptions: &setCredentialsOptions{
name: "me",
username: stringFlagFor("jane"),
password: stringFlagFor("bar"),
},
},
{
name: "test4",
// Cannot provide both token and basic auth.
flags: []string{
"me",
"--token=foo",
"--username=jane",
"--password=bar",
},
wantValidateErr: true,
},
{
name: "test5",
flags: []string{
"--auth-provider=oidc",
"--auth-provider-arg=client-id=foo",
"--auth-provider-arg=client-secret=bar",
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
authProvider: stringFlagFor("oidc"),
authProviderArgs: map[string]string{
"client-id": "foo",
"client-secret": "bar",
},
authProviderArgsToRemove: []string{},
},
},
{
name: "test6",
flags: []string{
"--auth-provider=oidc",
"--auth-provider-arg=client-id-",
"--auth-provider-arg=client-secret-",
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
authProvider: stringFlagFor("oidc"),
authProviderArgs: map[string]string{},
authProviderArgsToRemove: []string{
"client-id",
"client-secret",
},
},
},
{
name: "test7",
flags: []string{
"--auth-provider-arg=client-id-", // auth provider name not required
"--auth-provider-arg=client-secret-",
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
authProviderArgs: map[string]string{},
authProviderArgsToRemove: []string{
"client-id",
"client-secret",
},
},
},
{
name: "test8",
flags: []string{
"--auth-provider=oidc",
"--auth-provider-arg=client-id", // values must be of form 'key=value' or 'key-'
"me",
},
wantCompleteErr: true,
},
{
name: "test9",
flags: []string{
// No name for authinfo provided.
},
wantCompleteErr: true,
},
{
name: "test10",
flags: []string{
"--exec-command=example-client-go-exec-plugin",
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
execCommand: stringFlagFor("example-client-go-exec-plugin"),
},
},
{
name: "test11",
flags: []string{
"--exec-command=example-client-go-exec-plugin",
"--exec-arg=arg1",
"--exec-arg=arg2",
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
execCommand: stringFlagFor("example-client-go-exec-plugin"),
execArgs: []string{"arg1", "arg2"},
},
},
{
name: "test12",
flags: []string{
"--exec-command=example-client-go-exec-plugin",
"--exec-env=key1=val1",
"--exec-env=key2=val2",
"--exec-env=env-remove1-",
"--exec-env=env-remove2-",
"me",
},
wantOptions: &setCredentialsOptions{
name: "me",
execCommand: stringFlagFor("example-client-go-exec-plugin"),
execEnv: map[string]string{"key1": "val1", "key2": "val2"},
execEnvToRemove: []string{"env-remove1", "env-remove2"},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
buff := new(bytes.Buffer)
opts := new(setCredentialsOptions)
cmd := newCmdConfigSetCredentials(buff, opts)
if err := cmd.ParseFlags(tt.flags); err != nil {
if !tt.wantParseErr {
t.Errorf("case %s: parsing error for flags %q: %v: %s", tt.name, tt.flags, err, buff)
}
return
}
if tt.wantParseErr {
t.Errorf("case %s: expected parsing error for flags %q: %s", tt.name, tt.flags, buff)
return
}
if err := opts.complete(cmd); err != nil {
if !tt.wantCompleteErr {
t.Errorf("case %s: complete() error for flags %q: %s", tt.name, tt.flags, buff)
}
return
}
if tt.wantCompleteErr {
t.Errorf("case %s: complete() expected errors for flags %q: %s", tt.name, tt.flags, buff)
return
}
if err := opts.validate(); err != nil {
if !tt.wantValidateErr {
t.Errorf("case %s: flags %q: validate failed: %v", tt.name, tt.flags, err)
}
return
}
if tt.wantValidateErr {
t.Errorf("case %s: flags %q: expected validate to fail", tt.name, tt.flags)
return
}
if !reflect.DeepEqual(opts, tt.wantOptions) {
t.Errorf("case %s: flags %q: mis-matched options,\nwanted=%#v\ngot= %#v", tt.name, tt.flags, tt.wantOptions, opts)
}
})
}
}
func TestModifyExistingAuthInfo(t *testing.T) {
tests := []struct {
name string
flags []string
wantParseErr bool
wantCompleteErr bool
wantValidateErr bool
existingAuthInfo clientcmdapi.AuthInfo
wantAuthInfo clientcmdapi.AuthInfo
}{
{
name: "1. create new exec config",
flags: []string{
"--exec-command=example-client-go-exec-plugin",
"--exec-api-version=client.authentication.k8s.io/v1",
"me",
},
existingAuthInfo: clientcmdapi.AuthInfo{},
wantAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "example-client-go-exec-plugin",
APIVersion: "client.authentication.k8s.io/v1",
},
},
},
{
name: "2. redefine exec args",
flags: []string{
"--exec-arg=new-arg1",
"--exec-arg=new-arg2",
"me",
},
existingAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "example-client-go-exec-plugin",
APIVersion: "client.authentication.k8s.io/v1beta1",
Args: []string{"existing-arg1", "existing-arg2"},
},
},
wantAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "example-client-go-exec-plugin",
APIVersion: "client.authentication.k8s.io/v1beta1",
Args: []string{"new-arg1", "new-arg2"},
},
},
},
{
name: "3. reset exec args",
flags: []string{
"--exec-command=example-client-go-exec-plugin",
"me",
},
existingAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "example-client-go-exec-plugin",
APIVersion: "client.authentication.k8s.io/v1beta1",
Args: []string{"existing-arg1", "existing-arg2"},
},
},
wantAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "example-client-go-exec-plugin",
APIVersion: "client.authentication.k8s.io/v1beta1",
},
},
},
{
name: "4. modify exec env variables",
flags: []string{
"--exec-command=example-client-go-exec-plugin",
"--exec-env=name1=value1000",
"--exec-env=name3=value3",
"--exec-env=name2-",
"--exec-env=non-existing-",
"me",
},
existingAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "existing-command",
APIVersion: "client.authentication.k8s.io/v1beta1",
Env: []clientcmdapi.ExecEnvVar{
{Name: "name1", Value: "value1"},
{Name: "name2", Value: "value2"},
},
},
},
wantAuthInfo: clientcmdapi.AuthInfo{
Exec: &clientcmdapi.ExecConfig{
Command: "example-client-go-exec-plugin",
APIVersion: "client.authentication.k8s.io/v1beta1",
Env: []clientcmdapi.ExecEnvVar{
{Name: "name1", Value: "value1000"},
{Name: "name3", Value: "value3"},
},
},
},
},
{
name: "5. modify auth provider arguments",
flags: []string{
"--auth-provider=new-auth-provider",
"--auth-provider-arg=key1=val1000",
"--auth-provider-arg=key3=val3",
"--auth-provider-arg=key2-",
"--auth-provider-arg=non-existing-",
"me",
},
existingAuthInfo: clientcmdapi.AuthInfo{
AuthProvider: &clientcmdapi.AuthProviderConfig{
Name: "auth-provider",
Config: map[string]string{
"key1": "val1",
"key2": "val2",
},
},
},
wantAuthInfo: clientcmdapi.AuthInfo{
AuthProvider: &clientcmdapi.AuthProviderConfig{
Name: "new-auth-provider",
Config: map[string]string{
"key1": "val1000",
"key3": "val3",
},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
buff := new(bytes.Buffer)
opts := new(setCredentialsOptions)
cmd := newCmdConfigSetCredentials(buff, opts)
if err := cmd.ParseFlags(tt.flags); err != nil {
if !tt.wantParseErr {
t.Errorf("case %s: parsing error for flags %q: %v: %s", tt.name, tt.flags, err, buff)
}
return
}
if tt.wantParseErr {
t.Errorf("case %s: expected parsing error for flags %q: %s", tt.name, tt.flags, buff)
return
}
if err := opts.complete(cmd); err != nil {
if !tt.wantCompleteErr {
t.Errorf("case %s: complete() error for flags %q: %s", tt.name, tt.flags, buff)
}
return
}
if tt.wantCompleteErr {
t.Errorf("case %s: complete() expected errors for flags %q: %s", tt.name, tt.flags, buff)
return
}
if err := opts.validate(); err != nil {
if !tt.wantValidateErr {
t.Errorf("case %s: flags %q: validate failed: %v", tt.name, tt.flags, err)
}
return
}
if tt.wantValidateErr {
t.Errorf("case %s: flags %q: expected validate to fail", tt.name, tt.flags)
return
}
modifiedAuthInfo := opts.modifyAuthInfo(tt.existingAuthInfo)
if !reflect.DeepEqual(modifiedAuthInfo, tt.wantAuthInfo) {
t.Errorf("case %s: flags %q: mis-matched auth info,\nwanted=%#v\ngot= %#v", tt.name, tt.flags, tt.wantAuthInfo, modifiedAuthInfo)
}
})
}
}
type setCredentialsTest struct {
description string
config clientcmdapi.Config
args []string
flags []string
expected string
expectedConfig clientcmdapi.Config
}
func TestSetCredentials(t *testing.T) {
conf := clientcmdapi.Config{}
test := setCredentialsTest{
description: "Testing set credentials",
config: conf,
args: []string{"cluster-admin"},
flags: []string{
"--username=admin",
"--password=uXFGweU9l35qcif",
},
expected: `User "cluster-admin" set.` + "\n",
expectedConfig: clientcmdapi.Config{
AuthInfos: map[string]*clientcmdapi.AuthInfo{
"cluster-admin": {Username: "admin", Password: "uXFGweU9l35qcif"}},
},
}
test.run(t)
}
func (test setCredentialsTest) run(t *testing.T) {
fakeKubeFile, err := ioutil.TempFile(os.TempDir(), "")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
defer os.Remove(fakeKubeFile.Name())
err = clientcmd.WriteToFile(test.config, fakeKubeFile.Name())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
pathOptions := clientcmd.NewDefaultPathOptions()
pathOptions.GlobalFile = fakeKubeFile.Name()
pathOptions.EnvVar = ""
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdConfigSetCredentials(buf, pathOptions)
cmd.SetArgs(test.args)
cmd.Flags().Parse(test.flags)
if err := cmd.Execute(); err != nil {
t.Fatalf("unexpected error executing command: %v,kubectl config set-credentials args: %v,flags: %v", err, test.args, test.flags)
}
config, err := clientcmd.LoadFromFile(fakeKubeFile.Name())
if err != nil {
t.Fatalf("unexpected error loading kubeconfig file: %v", err)
}
if len(test.expected) != 0 {
if buf.String() != test.expected {
t.Errorf("Fail in %q:\n expected %v\n but got %v\n", test.description, test.expected, buf.String())
}
}
if test.expectedConfig.AuthInfos != nil {
expectAuthInfo := test.expectedConfig.AuthInfos[test.args[0]]
actualAuthInfo := config.AuthInfos[test.args[0]]
if expectAuthInfo.Username != actualAuthInfo.Username || expectAuthInfo.Password != actualAuthInfo.Password {
t.Errorf("Fail in %q:\n expected AuthInfo%v\n but found %v in kubeconfig\n", test.description, expectAuthInfo, actualAuthInfo)
}
}
}
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