kubernetes/test/integration/auth/selfsubjectreview_test.go
Maksim Nabokikh c1431af4f8
KEP-3325: Promote SelfSubjectReview to Beta (#116274)
* Promote SelfSubjectReview to Beta

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

* Fix whoami API

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

* Fixes according to code review

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>

---------

Signed-off-by: m.nabokikh <maksim.nabokikh@flant.com>
2023-03-08 15:42:33 -08:00

244 lines
7.4 KiB
Go

/*
Copyright 2022 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 auth
import (
"context"
"fmt"
"net/http"
"reflect"
"sync"
"sync/atomic"
"testing"
authenticationv1 "k8s.io/api/authentication/v1"
authenticationv1alpha1 "k8s.io/api/authentication/v1alpha1"
authenticationv1beta1 "k8s.io/api/authentication/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apiserver/pkg/authentication/authenticator"
"k8s.io/apiserver/pkg/authentication/user"
utilfeature "k8s.io/apiserver/pkg/util/feature"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/kubernetes/cmd/kube-apiserver/app/options"
"k8s.io/kubernetes/pkg/controlplane"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/test/integration/framework"
)
func TestGetsSelfAttributes(t *testing.T) {
tests := []struct {
name string
userInfo *user.DefaultInfo
expectedName string
expectedUID string
expectedGroups []string
expectedExtra map[string]authenticationv1.ExtraValue
}{
{
name: "Username",
userInfo: &user.DefaultInfo{
Name: "alice",
},
expectedName: "alice",
},
{
name: "Username with groups and UID",
userInfo: &user.DefaultInfo{
Name: "alice",
UID: "unique-id",
Groups: []string{"devs", "admins"},
},
expectedName: "alice",
expectedUID: "unique-id",
expectedGroups: []string{"devs", "admins"},
},
{
name: "Username with extra attributes",
userInfo: &user.DefaultInfo{
Name: "alice",
Extra: map[string][]string{
"nicknames": {"cutie", "bestie"},
},
},
expectedName: "alice",
expectedExtra: map[string]authenticationv1.ExtraValue{
"nicknames": authenticationv1.ExtraValue([]string{"cutie", "bestie"}),
},
},
{
name: "Without username",
userInfo: &user.DefaultInfo{
UID: "unique-id",
},
expectedUID: "unique-id",
},
}
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.APISelfSubjectReview, true)()
var respMu sync.RWMutex
response := &user.DefaultInfo{
Name: "stub",
}
kubeClient, _, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
opts.APIEnablement.RuntimeConfig.Set("authentication.k8s.io/v1alpha1=true")
opts.APIEnablement.RuntimeConfig.Set("authentication.k8s.io/v1beta1=true")
opts.Authorization.Modes = []string{"AlwaysAllow"}
},
ModifyServerConfig: func(config *controlplane.Config) {
// Unset BearerToken to disable BearerToken authenticator.
config.GenericConfig.LoopbackClientConfig.BearerToken = ""
config.GenericConfig.Authentication.Authenticator = authenticator.RequestFunc(func(req *http.Request) (*authenticator.Response, bool, error) {
respMu.RLock()
defer respMu.RUnlock()
return &authenticator.Response{User: response}, true, nil
})
},
})
defer tearDownFn()
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
respMu.Lock()
response = tc.userInfo
respMu.Unlock()
res, err := kubeClient.AuthenticationV1alpha1().
SelfSubjectReviews().
Create(context.TODO(), &authenticationv1alpha1.SelfSubjectReview{}, metav1.CreateOptions{})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if res == nil {
t.Fatalf("empty response")
}
if res.Status.UserInfo.Username != tc.expectedName {
t.Fatalf("unexpected username: wanted %s, got %s", tc.expectedName, res.Status.UserInfo.Username)
}
if res.Status.UserInfo.UID != tc.expectedUID {
t.Fatalf("unexpected uid: wanted %s, got %s", tc.expectedUID, res.Status.UserInfo.UID)
}
if !reflect.DeepEqual(res.Status.UserInfo.Groups, tc.expectedGroups) {
t.Fatalf("unexpected groups: wanted %v, got %v", tc.expectedGroups, res.Status.UserInfo.Groups)
}
if !reflect.DeepEqual(res.Status.UserInfo.Extra, tc.expectedExtra) {
t.Fatalf("unexpected extra: wanted %v, got %v", tc.expectedExtra, res.Status.UserInfo.Extra)
}
res2, err := kubeClient.AuthenticationV1beta1().
SelfSubjectReviews().
Create(context.TODO(), &authenticationv1beta1.SelfSubjectReview{}, metav1.CreateOptions{})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if res2 == nil {
t.Fatalf("empty response")
}
if res2.Status.UserInfo.Username != tc.expectedName {
t.Fatalf("unexpected username: wanted %s, got %s", tc.expectedName, res.Status.UserInfo.Username)
}
if res2.Status.UserInfo.UID != tc.expectedUID {
t.Fatalf("unexpected uid: wanted %s, got %s", tc.expectedUID, res.Status.UserInfo.UID)
}
if !reflect.DeepEqual(res2.Status.UserInfo.Groups, tc.expectedGroups) {
t.Fatalf("unexpected groups: wanted %v, got %v", tc.expectedGroups, res.Status.UserInfo.Groups)
}
if !reflect.DeepEqual(res2.Status.UserInfo.Extra, tc.expectedExtra) {
t.Fatalf("unexpected extra: wanted %v, got %v", tc.expectedExtra, res.Status.UserInfo.Extra)
}
})
}
}
func TestGetsSelfAttributesError(t *testing.T) {
toggle := &atomic.Value{}
toggle.Store(true)
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.APISelfSubjectReview, true)()
kubeClient, _, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
opts.APIEnablement.RuntimeConfig.Set("authentication.k8s.io/v1alpha1=true")
opts.APIEnablement.RuntimeConfig.Set("authentication.k8s.io/v1beta1=true")
opts.Authorization.Modes = []string{"AlwaysAllow"}
},
ModifyServerConfig: func(config *controlplane.Config) {
// Unset BearerToken to disable BearerToken authenticator.
config.GenericConfig.LoopbackClientConfig.BearerToken = ""
config.GenericConfig.Authentication.Authenticator = authenticator.RequestFunc(func(req *http.Request) (*authenticator.Response, bool, error) {
if toggle.Load().(bool) {
return &authenticator.Response{
User: &user.DefaultInfo{
Name: "alice",
},
}, true, nil
}
return nil, false, fmt.Errorf("test error")
})
},
})
defer tearDownFn()
expected := fmt.Errorf("Unauthorized")
{ // v1alpha1
toggle.Store(!toggle.Load().(bool))
_, err := kubeClient.AuthenticationV1alpha1().
SelfSubjectReviews().
Create(context.TODO(), &authenticationv1alpha1.SelfSubjectReview{}, metav1.CreateOptions{})
if err == nil {
t.Fatalf("expected error: %v, got nil", err)
}
toggle.Store(!toggle.Load().(bool))
if expected.Error() != err.Error() {
t.Fatalf("expected error: %v, got %v", expected, err)
}
}
{ // v1beta1
toggle.Store(!toggle.Load().(bool))
_, err := kubeClient.AuthenticationV1beta1().
SelfSubjectReviews().
Create(context.TODO(), &authenticationv1beta1.SelfSubjectReview{}, metav1.CreateOptions{})
if err == nil {
t.Fatalf("expected error: %v, got nil", err)
}
toggle.Store(!toggle.Load().(bool))
if expected.Error() != err.Error() {
t.Fatalf("expected error: %v, got %v", expected, err)
}
}
}