mirror of
https://github.com/vmware-tanzu/pinniped.git
synced 2026-09-19 14:34:27 +00:00
Rename existing references to "IDP" and "Identity Provider".
Signed-off-by: Matt Moyer <moyerm@vmware.com>
This commit is contained in:
Matt Moyer
@@ -0,0 +1,71 @@
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// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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// Package webhookcachecleaner implements a controller for garbage collecting webhook authenticators from an authenticator cache.
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package webhookcachecleaner
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import (
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"fmt"
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"github.com/go-logr/logr"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/klog/v2"
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auth1alpha1 "go.pinniped.dev/generated/1.19/apis/concierge/authentication/v1alpha1"
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authinformers "go.pinniped.dev/generated/1.19/client/informers/externalversions/authentication/v1alpha1"
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pinnipedcontroller "go.pinniped.dev/internal/controller"
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"go.pinniped.dev/internal/controller/authenticator/authncache"
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"go.pinniped.dev/internal/controllerlib"
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)
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// New instantiates a new controllerlib.Controller which will garbage collect webhooks from the provided Cache.
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func New(cache *authncache.Cache, webhooks authinformers.WebhookAuthenticatorInformer, log logr.Logger) controllerlib.Controller {
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return controllerlib.New(
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controllerlib.Config{
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Name: "webhookcachecleaner-controller",
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Syncer: &controller{
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cache: cache,
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webhooks: webhooks,
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log: log.WithName("webhookcachecleaner-controller"),
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},
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},
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controllerlib.WithInformer(
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webhooks,
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pinnipedcontroller.MatchAnythingFilter(),
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controllerlib.InformerOption{},
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),
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)
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}
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type controller struct {
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cache *authncache.Cache
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webhooks authinformers.WebhookAuthenticatorInformer
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log logr.Logger
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}
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// Sync implements controllerlib.Syncer.
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func (c *controller) Sync(_ controllerlib.Context) error {
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webhooks, err := c.webhooks.Lister().List(labels.Everything())
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if err != nil {
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return fmt.Errorf("failed to list WebhookAuthenticators: %w", err)
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}
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// Index the current webhooks by key.
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webhooksByKey := map[controllerlib.Key]*auth1alpha1.WebhookAuthenticator{}
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for _, webhook := range webhooks {
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key := controllerlib.Key{Namespace: webhook.Namespace, Name: webhook.Name}
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webhooksByKey[key] = webhook
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}
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// Delete any entries from the cache which are no longer in the cluster.
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for _, key := range c.cache.Keys() {
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if key.APIGroup != auth1alpha1.SchemeGroupVersion.Group || key.Kind != "WebhookAuthenticator" {
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continue
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}
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if _, exists := webhooksByKey[controllerlib.Key{Namespace: key.Namespace, Name: key.Name}]; !exists {
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c.log.WithValues("webhook", klog.KRef(key.Namespace, key.Name)).Info("deleting webhook authenticator from cache")
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c.cache.Delete(key)
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}
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}
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return nil
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}
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@@ -0,0 +1,144 @@
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// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package webhookcachecleaner
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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authv1alpha "go.pinniped.dev/generated/1.19/apis/concierge/authentication/v1alpha1"
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pinnipedfake "go.pinniped.dev/generated/1.19/client/clientset/versioned/fake"
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pinnipedinformers "go.pinniped.dev/generated/1.19/client/informers/externalversions"
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"go.pinniped.dev/internal/controller/authenticator/authncache"
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"go.pinniped.dev/internal/controllerlib"
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"go.pinniped.dev/internal/testutil/testlogger"
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)
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func TestController(t *testing.T) {
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t.Parallel()
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testKey1 := authncache.Key{
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APIGroup: "authentication.concierge.pinniped.dev",
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Kind: "WebhookAuthenticator",
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Namespace: "test-namespace",
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Name: "test-name-one",
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}
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testKey2 := authncache.Key{
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APIGroup: "authentication.concierge.pinniped.dev",
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Kind: "WebhookAuthenticator",
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Namespace: "test-namespace",
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Name: "test-name-two",
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}
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testKeyNonwebhook := authncache.Key{
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APIGroup: "authentication.concierge.pinniped.dev",
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Kind: "SomeOtherAuthenticator",
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Namespace: "test-namespace",
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Name: "test-name-one",
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}
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tests := []struct {
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name string
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webhooks []runtime.Object
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initialCache map[authncache.Key]authncache.Value
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wantErr string
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wantLogs []string
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wantCacheKeys []authncache.Key
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}{
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{
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name: "no change",
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initialCache: map[authncache.Key]authncache.Value{testKey1: nil},
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webhooks: []runtime.Object{
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&authv1alpha.WebhookAuthenticator{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: testKey1.Namespace,
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Name: testKey1.Name,
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},
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},
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},
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wantCacheKeys: []authncache.Key{testKey1},
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},
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{
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name: "authenticators not yet added",
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initialCache: nil,
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webhooks: []runtime.Object{
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&authv1alpha.WebhookAuthenticator{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: testKey1.Namespace,
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Name: testKey1.Name,
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},
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},
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&authv1alpha.WebhookAuthenticator{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: testKey2.Namespace,
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Name: testKey2.Name,
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},
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},
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},
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wantCacheKeys: []authncache.Key{},
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},
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{
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name: "successful cleanup",
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initialCache: map[authncache.Key]authncache.Value{
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testKey1: nil,
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testKey2: nil,
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testKeyNonwebhook: nil,
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},
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webhooks: []runtime.Object{
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&authv1alpha.WebhookAuthenticator{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: testKey1.Namespace,
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Name: testKey1.Name,
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},
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},
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},
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wantLogs: []string{
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`webhookcachecleaner-controller "level"=0 "msg"="deleting webhook authenticator from cache" "webhook"={"name":"test-name-two","namespace":"test-namespace"}`,
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},
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wantCacheKeys: []authncache.Key{testKey1, testKeyNonwebhook},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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fakeClient := pinnipedfake.NewSimpleClientset(tt.webhooks...)
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informers := pinnipedinformers.NewSharedInformerFactory(fakeClient, 0)
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cache := authncache.New()
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for k, v := range tt.initialCache {
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cache.Store(k, v)
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}
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testLog := testlogger.New(t)
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controller := New(cache, informers.Authentication().V1alpha1().WebhookAuthenticators(), testLog)
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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informers.Start(ctx.Done())
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controllerlib.TestRunSynchronously(t, controller)
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syncCtx := controllerlib.Context{
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Context: ctx,
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Key: controllerlib.Key{
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Namespace: "test-namespace",
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Name: "test-name-one",
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},
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}
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if err := controllerlib.TestSync(t, controller, syncCtx); tt.wantErr != "" {
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require.EqualError(t, err, tt.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, tt.wantLogs, testLog.Lines())
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require.ElementsMatch(t, tt.wantCacheKeys, cache.Keys())
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})
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}
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}
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