Merge pull request #627 from mattmoyer/use-informers-for-credentialissuer-updates

Create CredentialIssuer at install, not runtime.

deploy/concierge/deployment.yaml

@@ -247,3 +247,9 @@ spec:
     name: #@ defaultResourceNameWithSuffix("api")
     namespace: #@ namespace()
     port: 443
+---
+apiVersion: #@ pinnipedDevAPIGroupWithPrefix("config.concierge") + "/v1alpha1"
+kind: CredentialIssuer
+metadata:
+  name: #@ defaultResourceNameWithSuffix("config")
+  labels: #@ labels()

internal/controller/issuerconfig/update_strategy.go

@@ -5,8 +5,12 @@ package issuerconfig
 
 import (
 	"context"
+	"fmt"
 	"sort"
 
+	apiequality "k8s.io/apimachinery/pkg/api/equality"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	"go.pinniped.dev/generated/latest/apis/concierge/config/v1alpha1"
 	"go.pinniped.dev/generated/latest/client/concierge/clientset/versioned"
 )
@@ -28,6 +32,23 @@ func UpdateStrategy(ctx context.Context,
 	)
 }
 
+// Update a strategy on an existing CredentialIssuer, merging into any existing strategy entries.
+func Update(ctx context.Context, client versioned.Interface, issuer *v1alpha1.CredentialIssuer, strategy v1alpha1.CredentialIssuerStrategy) error {
+	// Update the existing object to merge in the new strategy.
+	updated := issuer.DeepCopy()
+	mergeStrategy(&updated.Status, strategy)
+
+	// If the status has not changed, we're done.
+	if apiequality.Semantic.DeepEqual(issuer.Status, updated.Status) {
+		return nil
+	}
+
+	if _, err := client.ConfigV1alpha1().CredentialIssuers().UpdateStatus(ctx, updated, metav1.UpdateOptions{}); err != nil {
+		return fmt.Errorf("failed to update CredentialIssuer status: %w", err)
+	}
+	return nil
+}
+
 func mergeStrategy(configToUpdate *v1alpha1.CredentialIssuerStatus, strategy v1alpha1.CredentialIssuerStrategy) {
 	var existing *v1alpha1.CredentialIssuerStrategy
 	for i := range configToUpdate.Strategies {

internal/controller/kubecertagent/kubecertagent.go

@@ -32,6 +32,7 @@ import (
 	"k8s.io/utils/pointer"
 
 	configv1alpha1 "go.pinniped.dev/generated/latest/apis/concierge/config/v1alpha1"
+	configv1alpha1informers "go.pinniped.dev/generated/latest/client/concierge/informers/externalversions/config/v1alpha1"
 	pinnipedcontroller "go.pinniped.dev/internal/controller"
 	"go.pinniped.dev/internal/controller/issuerconfig"
 	"go.pinniped.dev/internal/controllerlib"
@@ -101,6 +102,7 @@ type agentController struct {
 	agentDeployments     appsv1informers.DeploymentInformer
 	agentPods            corev1informers.PodInformer
 	kubePublicConfigMaps corev1informers.ConfigMapInformer
+	credentialIssuers    configv1alpha1informers.CredentialIssuerInformer
 	executor             PodCommandExecutor
 	dynamicCertProvider  dynamiccert.Private
 	clock                clock.Clock
@@ -129,6 +131,7 @@ func NewAgentController(
 	agentDeployments appsv1informers.DeploymentInformer,
 	agentPods corev1informers.PodInformer,
 	kubePublicConfigMaps corev1informers.ConfigMapInformer,
+	credentialIssuers configv1alpha1informers.CredentialIssuerInformer,
 	dynamicCertProvider dynamiccert.Private,
 ) controllerlib.Controller {
 	return newAgentController(
@@ -138,6 +141,7 @@ func NewAgentController(
 		agentDeployments,
 		agentPods,
 		kubePublicConfigMaps,
+		credentialIssuers,
 		NewPodCommandExecutor(client.JSONConfig, client.Kubernetes),
 		dynamicCertProvider,
 		&clock.RealClock{},
@@ -153,6 +157,7 @@ func newAgentController(
 	agentDeployments appsv1informers.DeploymentInformer,
 	agentPods corev1informers.PodInformer,
 	kubePublicConfigMaps corev1informers.ConfigMapInformer,
+	credentialIssuers configv1alpha1informers.CredentialIssuerInformer,
 	podCommandExecutor PodCommandExecutor,
 	dynamicCertProvider dynamiccert.Private,
 	clock clock.Clock,
@@ -170,6 +175,7 @@ func newAgentController(
 				agentDeployments:     agentDeployments,
 				agentPods:            agentPods,
 				kubePublicConfigMaps: kubePublicConfigMaps,
+				credentialIssuers:    credentialIssuers,
 				executor:             podCommandExecutor,
 				dynamicCertProvider:  dynamicCertProvider,
 				clock:                clock,
@@ -206,6 +212,13 @@ func newAgentController(
 				}),
 				controllerlib.InformerOption{},
 			),
+			controllerlib.WithInformer(
+				credentialIssuers,
+				pinnipedcontroller.SimpleFilterWithSingletonQueue(func(obj metav1.Object) bool {
+					return obj.GetName() == cfg.CredentialIssuerName
+				}),
+				controllerlib.InformerOption{},
+			),
 			// Be sure to run once even to make sure the CredentialIssuer is updated if there are no controller manager
 			// pods. We should be able to pass an empty key since we don't use the key in the sync (we sync
 			// the world).
@@ -216,11 +229,17 @@ func newAgentController(
 
 // Sync implements controllerlib.Syncer.
 func (c *agentController) Sync(ctx controllerlib.Context) error {
+	// Load the CredentialIssuer that we'll update with status.
+	credIssuer, err := c.credentialIssuers.Lister().Get(c.cfg.CredentialIssuerName)
+	if err != nil {
+		return fmt.Errorf("could not get CredentialIssuer to update: %w", err)
+	}
+
 	// Find the latest healthy kube-controller-manager Pod in kube-system..
 	controllerManagerPods, err := c.kubeSystemPods.Lister().Pods(ControllerManagerNamespace).List(controllerManagerLabels)
 	if err != nil {
 		err := fmt.Errorf("could not list controller manager pods: %w", err)
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
 	}
 	newestControllerManager := newestRunningPod(controllerManagerPods)
 
@@ -228,19 +247,19 @@ func (c *agentController) Sync(ctx controllerlib.Context) error {
 	// the CredentialIssuer.
 	if newestControllerManager == nil {
 		err := fmt.Errorf("could not find a healthy kube-controller-manager pod (%s)", pluralize(controllerManagerPods))
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
 	}
 
 	if err := c.createOrUpdateDeployment(ctx, newestControllerManager); err != nil {
 		err := fmt.Errorf("could not ensure agent deployment: %w", err)
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
 	}
 
 	// Find the latest healthy agent Pod in our namespace.
 	agentPods, err := c.agentPods.Lister().Pods(c.cfg.Namespace).List(agentLabels)
 	if err != nil {
 		err := fmt.Errorf("could not list agent pods: %w", err)
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
 	}
 	newestAgentPod := newestRunningPod(agentPods)
 
@@ -248,45 +267,39 @@ func (c *agentController) Sync(ctx controllerlib.Context) error {
 	// the CredentialIssuer.
 	if newestAgentPod == nil {
 		err := fmt.Errorf("could not find a healthy agent pod (%s)", pluralize(agentPods))
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
 	}
 
 	// Load the Kubernetes API info from the kube-public/cluster-info ConfigMap.
 	configMap, err := c.kubePublicConfigMaps.Lister().ConfigMaps(ClusterInfoNamespace).Get(clusterInfoName)
 	if err != nil {
 		err := fmt.Errorf("failed to get %s/%s configmap: %w", ClusterInfoNamespace, clusterInfoName, err)
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotGetClusterInfoStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotGetClusterInfoStrategyReason)
 	}
 
 	apiInfo, err := c.extractAPIInfo(configMap)
 	if err != nil {
 		err := fmt.Errorf("could not extract Kubernetes API endpoint info from %s/%s configmap: %w", ClusterInfoNamespace, clusterInfoName, err)
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotGetClusterInfoStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotGetClusterInfoStrategyReason)
 	}
 
 	// Load the certificate and key from the agent pod into our in-memory signer.
 	if err := c.loadSigningKey(newestAgentPod); err != nil {
-		return c.failStrategyAndErr(ctx.Context, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
+		return c.failStrategyAndErr(ctx.Context, credIssuer, err, configv1alpha1.CouldNotFetchKeyStrategyReason)
 	}
 
 	// Set the CredentialIssuer strategy to successful.
-	return issuerconfig.UpdateStrategy(
+	return issuerconfig.Update(ctx.Context, c.client.PinnipedConcierge, credIssuer, configv1alpha1.CredentialIssuerStrategy{
-		ctx.Context,
+		Type:           configv1alpha1.KubeClusterSigningCertificateStrategyType,
-		c.cfg.CredentialIssuerName,
+		Status:         configv1alpha1.SuccessStrategyStatus,
-		c.cfg.Labels,
+		Reason:         configv1alpha1.FetchedKeyStrategyReason,
-		c.client.PinnipedConcierge,
+		Message:        "key was fetched successfully",
-		configv1alpha1.CredentialIssuerStrategy{
+		LastUpdateTime: metav1.NewTime(c.clock.Now()),
-			Type:           configv1alpha1.KubeClusterSigningCertificateStrategyType,
+		Frontend: &configv1alpha1.CredentialIssuerFrontend{
-			Status:         configv1alpha1.SuccessStrategyStatus,
+			Type:                          configv1alpha1.TokenCredentialRequestAPIFrontendType,
-			Reason:         configv1alpha1.FetchedKeyStrategyReason,
+			TokenCredentialRequestAPIInfo: apiInfo,
-			Message:        "key was fetched successfully",
-			LastUpdateTime: metav1.NewTime(c.clock.Now()),
-			Frontend: &configv1alpha1.CredentialIssuerFrontend{
-				Type:                          configv1alpha1.TokenCredentialRequestAPIFrontendType,
-				TokenCredentialRequestAPIInfo: apiInfo,
-			},
 		},
-	)
+	})
 }
 
 func (c *agentController) loadSigningKey(agentPod *corev1.Pod) error {
@@ -358,20 +371,15 @@ func (c *agentController) createOrUpdateDeployment(ctx controllerlib.Context, ne
 	return err
 }
 
-func (c *agentController) failStrategyAndErr(ctx context.Context, err error, reason configv1alpha1.StrategyReason) error {
+func (c *agentController) failStrategyAndErr(ctx context.Context, credIssuer *configv1alpha1.CredentialIssuer, err error, reason configv1alpha1.StrategyReason) error {
-	return utilerrors.NewAggregate([]error{err, issuerconfig.UpdateStrategy(
+	updateErr := issuerconfig.Update(ctx, c.client.PinnipedConcierge, credIssuer, configv1alpha1.CredentialIssuerStrategy{
-		ctx,
+		Type:           configv1alpha1.KubeClusterSigningCertificateStrategyType,
-		c.cfg.CredentialIssuerName,
+		Status:         configv1alpha1.ErrorStrategyStatus,
-		c.cfg.Labels,
+		Reason:         reason,
-		c.client.PinnipedConcierge,
+		Message:        err.Error(),
-		configv1alpha1.CredentialIssuerStrategy{
+		LastUpdateTime: metav1.NewTime(c.clock.Now()),
-			Type:           configv1alpha1.KubeClusterSigningCertificateStrategyType,
+	})
-			Status:         configv1alpha1.ErrorStrategyStatus,
+	return utilerrors.NewAggregate([]error{err, updateErr})
-			Reason:         reason,
-			Message:        err.Error(),
-			LastUpdateTime: metav1.NewTime(c.clock.Now()),
-		},
-	)})
 }
 
 func (c *agentController) extractAPIInfo(configMap *corev1.ConfigMap) (*configv1alpha1.TokenCredentialRequestAPIInfo, error) {

internal/controller/kubecertagent/kubecertagent_test.go

@@ -27,6 +27,7 @@ import (
 
 	configv1alpha1 "go.pinniped.dev/generated/latest/apis/concierge/config/v1alpha1"
 	conciergefake "go.pinniped.dev/generated/latest/client/concierge/clientset/versioned/fake"
+	conciergeinformers "go.pinniped.dev/generated/latest/client/concierge/informers/externalversions"
 	"go.pinniped.dev/internal/controller/kubecertagent/mocks"
 	"go.pinniped.dev/internal/controllerlib"
 	"go.pinniped.dev/internal/here"
@@ -38,6 +39,10 @@ func TestAgentController(t *testing.T) {
 	t.Parallel()
 	now := time.Date(2021, 4, 13, 9, 57, 0, 0, time.UTC)
 
+	initialCredentialIssuer := &configv1alpha1.CredentialIssuer{
+		ObjectMeta: metav1.ObjectMeta{Name: "pinniped-concierge-config"},
+	}
+
 	healthyKubeControllerManagerPod := &corev1.Pod{
 		ObjectMeta: metav1.ObjectMeta{
 			Namespace:         "kube-system",
@@ -204,6 +209,7 @@ func TestAgentController(t *testing.T) {
 	tests := []struct {
 		name                 string
 		discoveryURLOverride *string
+		pinnipedObjects      []runtime.Object
 		kubeObjects          []runtime.Object
 		addKubeReactions     func(*kubefake.Clientset)
 		mocks                func(*testing.T, *mocks.MockPodCommandExecutorMockRecorder, *mocks.MockDynamicCertPrivateMockRecorder, *cache.Expiring)
@@ -212,8 +218,17 @@ func TestAgentController(t *testing.T) {
 		wantAgentDeployment  *appsv1.Deployment
 		wantStrategy         *configv1alpha1.CredentialIssuerStrategy
 	}{
+		{
+			name: "no CredentialIssuer found",
+			wantDistinctErrors: []string{
+				`could not get CredentialIssuer to update: credentialissuer.config.concierge.pinniped.dev "pinniped-concierge-config" not found`,
+			},
+		},
 		{
 			name: "no kube-controller-manager pods",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				&corev1.Pod{
 					ObjectMeta: metav1.ObjectMeta{
@@ -236,6 +251,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "only unhealthy kube-controller-manager pods",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				&corev1.Pod{
 					ObjectMeta: metav1.ObjectMeta{
@@ -276,6 +294,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "failed to created new deployment",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 			},
@@ -300,6 +321,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "created new deployment, no agent pods running yet",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				&corev1.Pod{
 					ObjectMeta: metav1.ObjectMeta{
@@ -341,6 +365,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "created new deployment with defaulted paths, no agent pods running yet",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				&corev1.Pod{
 					ObjectMeta: metav1.ObjectMeta{
@@ -382,6 +409,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "update to existing deployment, no running agent pods yet",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				&corev1.Pod{
@@ -424,6 +454,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap missing",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -443,6 +476,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap missing key",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -466,6 +502,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap key has invalid data",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -489,6 +528,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap kubeconfig has no clusters",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -512,6 +554,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap is valid,, exec into agent pod fails",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -537,6 +582,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap is valid, exec into agent pod returns bogus certs",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -565,6 +613,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap is valid, exec is cached",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -594,6 +645,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap is valid, exec succeeds",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -620,6 +674,9 @@ func TestAgentController(t *testing.T) {
 		},
 		{
 			name: "deployment exists, configmap is valid, exec succeeds, overridden discovery URL",
+			pinnipedObjects: []runtime.Object{
+				initialCredentialIssuer,
+			},
 			kubeObjects: []runtime.Object{
 				healthyKubeControllerManagerPod,
 				healthyAgentDeployment,
@@ -651,12 +708,13 @@ func TestAgentController(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
+			conciergeClientset := conciergefake.NewSimpleClientset(tt.pinnipedObjects...)
+			conciergeInformers := conciergeinformers.NewSharedInformerFactory(conciergeClientset, 0)
+
 			kubeClientset := kubefake.NewSimpleClientset(tt.kubeObjects...)
 			if tt.addKubeReactions != nil {
 				tt.addKubeReactions(kubeClientset)
 			}
-
-			conciergeClientset := conciergefake.NewSimpleClientset()
 			kubeInformers := informers.NewSharedInformerFactory(kubeClientset, 0)
 			log := testlogger.New(t)
 
@@ -676,7 +734,7 @@ func TestAgentController(t *testing.T) {
 					ServiceAccountName:        "test-service-account-name",
 					NamePrefix:                "pinniped-concierge-kube-cert-agent-",
 					ContainerImagePullSecrets: []string{"pinniped-image-pull-secret"},
-					CredentialIssuerName:      "pinniped-concierge-config",
+					CredentialIssuerName:      initialCredentialIssuer.Name,
 					Labels:                    map[string]string{"extralabel": "labelvalue"},
 					DiscoveryURLOverride:      tt.discoveryURLOverride,
 				},
@@ -685,6 +743,7 @@ func TestAgentController(t *testing.T) {
 				kubeInformers.Apps().V1().Deployments(),
 				kubeInformers.Core().V1().Pods(),
 				kubeInformers.Core().V1().ConfigMaps(),
+				conciergeInformers.Config().V1alpha1().CredentialIssuers(),
 				mockExecutor,
 				mockDynamicCert,
 				fakeClock,
@@ -696,7 +755,7 @@ func TestAgentController(t *testing.T) {
 			ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 			defer cancel()
 
-			errorMessages := runControllerUntilQuiet(ctx, t, controller, kubeInformers)
+			errorMessages := runControllerUntilQuiet(ctx, t, controller, kubeInformers, conciergeInformers)
 			assert.Equal(t, tt.wantDistinctErrors, deduplicate(errorMessages), "unexpected errors")
 			assert.Equal(t, tt.wantDistinctLogs, deduplicate(log.Lines()), "unexpected logs")
 
@@ -711,10 +770,12 @@ func TestAgentController(t *testing.T) {
 			}
 
 			// Assert that the CredentialIssuer is in the expected final state
-			credIssuer, err := conciergeClientset.ConfigV1alpha1().CredentialIssuers().Get(ctx, "pinniped-concierge-config", metav1.GetOptions{})
+			if tt.wantStrategy != nil {
-			require.NoError(t, err)
+				credIssuer, err := conciergeClientset.ConfigV1alpha1().CredentialIssuers().Get(ctx, initialCredentialIssuer.Name, metav1.GetOptions{})
-			require.Len(t, credIssuer.Status.Strategies, 1, "expected a single strategy in the CredentialIssuer")
+				require.NoError(t, err)
-			require.Equal(t, tt.wantStrategy, &credIssuer.Status.Strategies[0])
+				require.Len(t, credIssuer.Status.Strategies, 1, "expected a single strategy in the CredentialIssuer")
+				require.Equal(t, tt.wantStrategy, &credIssuer.Status.Strategies[0])
+			}
 		})
 	}
 }
@@ -794,7 +855,7 @@ func deduplicate(strings []string) []string {
 	return result
 }
 
-func runControllerUntilQuiet(ctx context.Context, t *testing.T, controller controllerlib.Controller, informers ...informers.SharedInformerFactory) []string {
+func runControllerUntilQuiet(ctx context.Context, t *testing.T, controller controllerlib.Controller, informers ...interface{ Start(<-chan struct{}) }) []string {
 	ctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 

internal/controllermanager/prepare_controllers.go

@@ -204,6 +204,7 @@ func PrepareControllers(c *Config) (func(ctx context.Context), error) {
 				informers.installationNamespaceK8s.Apps().V1().Deployments(),
 				informers.installationNamespaceK8s.Core().V1().Pods(),
 				informers.kubePublicNamespaceK8s.Core().V1().ConfigMaps(),
+				informers.pinniped.Config().V1alpha1().CredentialIssuers(),
 				c.DynamicSigningCertProvider,
 			),
 			singletonWorker,

test/integration/concierge_credentialissuer_test.go

@@ -43,23 +43,12 @@ func TestCredentialIssuer(t *testing.T) {
 		}
 		require.Equal(t, env.ConciergeAppName, actualConfig.Labels["app"])
 
-		// verify owner ref is set
-		require.Len(t, actualConfig.OwnerReferences, 1)
-
 		apiService, err := aggregatedClientset.ApiregistrationV1().APIServices().Get(ctx, "v1alpha1.login.concierge."+env.APIGroupSuffix, metav1.GetOptions{})
 		require.NoError(t, err)
 
 		// work around stupid behavior of WithoutVersionDecoder.Decode
 		apiService.APIVersion, apiService.Kind = apiregistrationv1.SchemeGroupVersion.WithKind("APIService").ToAPIVersionAndKind()
 
-		ref := metav1.OwnerReference{
-			APIVersion: apiService.APIVersion,
-			Kind:       apiService.Kind,
-			Name:       apiService.Name,
-			UID:        apiService.UID,
-		}
-		require.Equal(t, ref, actualConfig.OwnerReferences[0])
-
 		// Verify the cluster strategy status based on what's expected of the test cluster's ability to share signing keys.
 		actualStatusStrategies := actualConfigList.Items[0].Status.Strategies