Unit & integration tests for OpenAPIV2 AddUpdateAPIService
This commit is contained in:
Jefftree
251
test/integration/apiserver/openapi/openapi_apiservice_test.go
Normal file
251
test/integration/apiserver/openapi/openapi_apiservice_test.go
Normal file
@@ -0,0 +1,251 @@
|
||||
/*
|
||||
Copyright 2023 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 openapi
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"errors"
|
||||
"net/http"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/require"
|
||||
apiextensions "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/util/wait"
|
||||
"k8s.io/client-go/discovery"
|
||||
"k8s.io/client-go/dynamic"
|
||||
kubernetes "k8s.io/client-go/kubernetes"
|
||||
apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
|
||||
aggregator "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"
|
||||
"k8s.io/kube-openapi/pkg/validation/spec"
|
||||
kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
|
||||
testdiscovery "k8s.io/kubernetes/test/integration/apiserver/discovery"
|
||||
"k8s.io/kubernetes/test/integration/framework"
|
||||
)
|
||||
|
||||
func TestSlowAPIServiceOpenAPIDoesNotBlockHealthCheck(t *testing.T) {
|
||||
ctx, cancelCtx := context.WithCancel(context.Background())
|
||||
defer cancelCtx()
|
||||
|
||||
etcd := framework.SharedEtcd()
|
||||
setupServer := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, etcd)
|
||||
client := generateTestClient(t, setupServer)
|
||||
|
||||
service := testdiscovery.NewFakeService("test-server", client, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
if r.URL.Path != "/openapi/v2" {
|
||||
return
|
||||
}
|
||||
// Effectively let the APIService block until request timeout.
|
||||
<-ctx.Done()
|
||||
openapi := &spec.Swagger{
|
||||
SwaggerProps: spec.SwaggerProps{
|
||||
Paths: &spec.Paths{
|
||||
Paths: map[string]spec.PathItem{
|
||||
"/apis/wardle.example.com/v1alpha1": {},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
data, err := openapi.MarshalJSON()
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
http.ServeContent(w, r, "/openapi/v2", time.Now(), bytes.NewReader(data))
|
||||
}))
|
||||
go func() {
|
||||
require.NoError(t, service.Run(ctx))
|
||||
}()
|
||||
require.NoError(t, service.WaitForReady(ctx))
|
||||
|
||||
groupVersion := metav1.GroupVersion{
|
||||
Group: "wardle.example.com",
|
||||
Version: "v1alpha1",
|
||||
}
|
||||
|
||||
require.NoError(t, registerAPIService(ctx, client, groupVersion, service))
|
||||
|
||||
setupServer.TearDownFn()
|
||||
server := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, etcd)
|
||||
t.Cleanup(server.TearDownFn)
|
||||
client2 := generateTestClient(t, server)
|
||||
|
||||
err := wait.PollUntilContextTimeout(context.Background(), 100*time.Millisecond, 1*time.Second, true, func(context.Context) (bool, error) {
|
||||
var statusCode int
|
||||
client2.AdmissionregistrationV1().RESTClient().Get().AbsPath("/healthz").Do(context.TODO()).StatusCode(&statusCode)
|
||||
if statusCode == 200 {
|
||||
return true, nil
|
||||
}
|
||||
return false, nil
|
||||
})
|
||||
require.NoError(t, err)
|
||||
}
|
||||
|
||||
func TestFetchingOpenAPIBeforeReady(t *testing.T) {
|
||||
ctx, cancelCtx := context.WithCancel(context.Background())
|
||||
defer cancelCtx()
|
||||
|
||||
server := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
|
||||
t.Cleanup(server.TearDownFn)
|
||||
client := generateTestClient(t, server)
|
||||
|
||||
readyCh := make(chan bool)
|
||||
defer close(readyCh)
|
||||
go func() {
|
||||
select {
|
||||
case <-readyCh:
|
||||
default:
|
||||
_, _ = client.Discovery().RESTClient().Get().AbsPath("/openapi/v2").Do(context.TODO()).Raw()
|
||||
}
|
||||
}()
|
||||
|
||||
service := testdiscovery.NewFakeService("test-server", client, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
openapi := &spec.Swagger{
|
||||
SwaggerProps: spec.SwaggerProps{
|
||||
Paths: &spec.Paths{
|
||||
Paths: map[string]spec.PathItem{
|
||||
"/apis/wardle.example.com/v1alpha1": {},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
data, err := openapi.MarshalJSON()
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
http.ServeContent(w, r, "/openapi/v2", time.Now(), bytes.NewReader(data))
|
||||
}))
|
||||
go func() {
|
||||
require.NoError(t, service.Run(ctx))
|
||||
}()
|
||||
require.NoError(t, service.WaitForReady(ctx))
|
||||
|
||||
groupVersion := metav1.GroupVersion{
|
||||
Group: "wardle.example.com",
|
||||
Version: "v1alpha1",
|
||||
}
|
||||
|
||||
require.NoError(t, registerAPIService(ctx, client, groupVersion, service))
|
||||
defer func() {
|
||||
require.NoError(t, unregisterAPIService(ctx, client, groupVersion))
|
||||
}()
|
||||
|
||||
err := wait.PollUntilContextTimeout(context.Background(), time.Millisecond*10, time.Second, true, func(context.Context) (bool, error) {
|
||||
b, err := client.Discovery().RESTClient().Get().AbsPath("/openapi/v2").Do(context.TODO()).Raw()
|
||||
require.NoError(t, err)
|
||||
var openapi spec.Swagger
|
||||
require.NoError(t, openapi.UnmarshalJSON(b))
|
||||
if _, ok := openapi.Paths.Paths["/apis/wardle.example.com/v1alpha1"]; ok {
|
||||
return true, nil
|
||||
}
|
||||
return false, nil
|
||||
})
|
||||
require.NoError(t, err)
|
||||
|
||||
}
|
||||
|
||||
// These definitions were copied from k8s.io/kubernetes/test/integation/apiserver/discovery
|
||||
// and should be consolidated.
|
||||
type kubeClientSet = kubernetes.Interface
|
||||
|
||||
type aggegatorClientSet = aggregator.Interface
|
||||
|
||||
type apiextensionsClientSet = apiextensions.Interface
|
||||
|
||||
type dynamicClientset = dynamic.Interface
|
||||
|
||||
type testClientSet struct {
|
||||
kubeClientSet
|
||||
aggegatorClientSet
|
||||
apiextensionsClientSet
|
||||
dynamicClientset
|
||||
}
|
||||
|
||||
type testClient interface {
|
||||
kubernetes.Interface
|
||||
aggregator.Interface
|
||||
apiextensions.Interface
|
||||
dynamic.Interface
|
||||
}
|
||||
|
||||
var _ testClient = testClientSet{}
|
||||
|
||||
func (t testClientSet) Discovery() discovery.DiscoveryInterface {
|
||||
return t.kubeClientSet.Discovery()
|
||||
}
|
||||
|
||||
func generateTestClient(t *testing.T, server *kubeapiservertesting.TestServer) testClient {
|
||||
kubeClientSet, err := kubernetes.NewForConfig(server.ClientConfig)
|
||||
require.NoError(t, err)
|
||||
|
||||
aggegatorClientSet, err := aggregator.NewForConfig(server.ClientConfig)
|
||||
require.NoError(t, err)
|
||||
|
||||
apiextensionsClientSet, err := apiextensions.NewForConfig(server.ClientConfig)
|
||||
require.NoError(t, err)
|
||||
|
||||
dynamicClientset, err := dynamic.NewForConfig(server.ClientConfig)
|
||||
require.NoError(t, err)
|
||||
|
||||
client := testClientSet{
|
||||
kubeClientSet: kubeClientSet,
|
||||
aggegatorClientSet: aggegatorClientSet,
|
||||
apiextensionsClientSet: apiextensionsClientSet,
|
||||
dynamicClientset: dynamicClientset,
|
||||
}
|
||||
return client
|
||||
}
|
||||
|
||||
func registerAPIService(ctx context.Context, client aggregator.Interface, gv metav1.GroupVersion, service testdiscovery.FakeService) error {
|
||||
port := service.Port()
|
||||
if port == nil {
|
||||
return errors.New("service not yet started")
|
||||
}
|
||||
// Register the APIService
|
||||
patch := apiregistrationv1.APIService{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: gv.Version + "." + gv.Group,
|
||||
},
|
||||
TypeMeta: metav1.TypeMeta{
|
||||
Kind: "APIService",
|
||||
APIVersion: "apiregistration.k8s.io/v1",
|
||||
},
|
||||
Spec: apiregistrationv1.APIServiceSpec{
|
||||
Group: gv.Group,
|
||||
Version: gv.Version,
|
||||
InsecureSkipTLSVerify: true,
|
||||
GroupPriorityMinimum: 1000,
|
||||
VersionPriority: 15,
|
||||
Service: &apiregistrationv1.ServiceReference{
|
||||
Namespace: "default",
|
||||
Name: service.Name(),
|
||||
Port: port,
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
_, err := client.
|
||||
ApiregistrationV1().
|
||||
APIServices().
|
||||
Create(context.TODO(), &patch, metav1.CreateOptions{FieldManager: "test-manager"})
|
||||
return err
|
||||
}
|
||||
|
||||
func unregisterAPIService(ctx context.Context, client aggregator.Interface, gv metav1.GroupVersion) error {
|
||||
return client.ApiregistrationV1().APIServices().Delete(ctx, gv.Version+"."+gv.Group, metav1.DeleteOptions{})
|
||||
}
|
||||
Reference in New Issue
Block a user