115 lines
3.4 KiB
Go
115 lines
3.4 KiB
Go
/*
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Copyright 2020 The cert-manager 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 framework
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import (
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"context"
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"testing"
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"time"
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"golang.org/x/sync/errgroup"
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corev1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/client-go/discovery"
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"k8s.io/client-go/informers"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/scheme"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/record"
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"k8s.io/kubectl/pkg/util/openapi"
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cmclient "github.com/cert-manager/cert-manager/pkg/client/clientset/versioned"
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cminformers "github.com/cert-manager/cert-manager/pkg/client/informers/externalversions"
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controllerpkg "github.com/cert-manager/cert-manager/pkg/controller"
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)
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func NewEventRecorder(t *testing.T) record.EventRecorder {
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eventBroadcaster := record.NewBroadcaster()
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eventBroadcaster.StartLogging(t.Logf)
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return eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: t.Name()})
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}
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func NewClients(t *testing.T, config *rest.Config) (kubernetes.Interface, informers.SharedInformerFactory, cmclient.Interface, cminformers.SharedInformerFactory) {
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cl, err := kubernetes.NewForConfig(config)
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if err != nil {
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t.Fatal(err)
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}
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factory := informers.NewSharedInformerFactory(cl, 0)
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cmCl, err := cmclient.NewForConfig(config)
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if err != nil {
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t.Fatal(err)
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}
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cmFactory := cminformers.NewSharedInformerFactory(cmCl, 0)
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return cl, factory, cmCl, cmFactory
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}
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func StartInformersAndController(t *testing.T, factory informers.SharedInformerFactory, cmFactory cminformers.SharedInformerFactory, c controllerpkg.Interface) StopFunc {
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return StartInformersAndControllers(t, factory, cmFactory, c)
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}
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func StartInformersAndControllers(t *testing.T, factory informers.SharedInformerFactory, cmFactory cminformers.SharedInformerFactory, cs ...controllerpkg.Interface) StopFunc {
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stopCh := make(chan struct{})
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errCh := make(chan error)
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factory.Start(stopCh)
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cmFactory.Start(stopCh)
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group, _ := errgroup.WithContext(context.Background())
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go func() {
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defer close(errCh)
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for _, c := range cs {
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func(c controllerpkg.Interface) {
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group.Go(func() error {
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return c.Run(1, stopCh)
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})
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}(c)
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}
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errCh <- group.Wait()
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}()
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return func() {
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close(stopCh)
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err := <-errCh
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if err != nil {
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t.Fatal(err)
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}
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}
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}
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func WaitForOpenAPIResourcesToBeLoaded(t *testing.T, ctx context.Context, config *rest.Config, gvk schema.GroupVersionKind) {
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dc, err := discovery.NewDiscoveryClientForConfig(config)
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if err != nil {
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t.Fatal(err)
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}
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err = wait.PollImmediateUntil(time.Second, func() (bool, error) {
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og := openapi.NewOpenAPIGetter(dc)
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oapiResource, err := openapi.NewOpenAPIParser(og).Parse()
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if err != nil {
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return false, err
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}
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if oapiResource.LookupResource(gvk) != nil {
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return true, nil
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}
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return false, nil
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}, ctx.Done())
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if err != nil {
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t.Fatal("Our GVK isn't loaded into the OpenAPI resources API after waiting for 2 minutes", err)
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}
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}
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