21881083720

Committed 10 Feb 2026 08:23PM UTC coverage: 80.713%. First build

Build # 21881083720

Build Type

Pull #164

github

Committed by

web-flow

Commit Message

Merge 8e570d367 into 97eea0078

Pull Request Pull Request #164: fix: resolve webhook caBundle deadlock during helm upgrade

Run Details

4 of 15 new or added lines in 1 file covered. (26.67%)

6817 of 8446 relevant lines covered (80.71%)

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54.62

/operator/internal/controller/webhook_controller.go

/*
 * SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 *
 * 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 controller

import (
        "bytes"
        "context"
        "fmt"
        "net/http"
        "reflect"
        "time"

        "sigs.k8s.io/controller-runtime/pkg/builder"
        "sigs.k8s.io/controller-runtime/pkg/handler"
        "sigs.k8s.io/controller-runtime/pkg/predicate"

        "github.com/NVIDIA/skyhook/operator/api/v1alpha1"
        admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
        corev1 "k8s.io/api/core/v1"
        "k8s.io/apimachinery/pkg/api/errors"
        metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
        "k8s.io/apimachinery/pkg/types"
        ctrl "sigs.k8s.io/controller-runtime"
        runtimecache "sigs.k8s.io/controller-runtime/pkg/cache"
        "sigs.k8s.io/controller-runtime/pkg/client"
        "sigs.k8s.io/controller-runtime/pkg/log"
        "sigs.k8s.io/controller-runtime/pkg/reconcile"
)

const (
        // Webhook configuration names
        validatingWebhookConfigName = "skyhook-operator-validating-webhook"
        mutatingWebhookConfigName   = "skyhook-operator-mutating-webhook"

        // Webhook names
        skyhookValidatingWebhookName          = "validate-skyhook.nvidia.com"
        deploymentPolicyValidatingWebhookName = "validate-deploymentpolicy.nvidia.com"
        skyhookMutatingWebhookName            = "mutate-skyhook.nvidia.com"
        deploymentPolicyMutatingWebhookName   = "mutate-deploymentpolicy.nvidia.com"

        // Webhook paths
        skyhookValidatingPath          = "/validate-skyhook-nvidia-com-v1alpha1-skyhook"
        deploymentPolicyValidatingPath = "/validate-skyhook-nvidia-com-v1alpha1-deploymentpolicy"
        skyhookMutatingPath            = "/mutate-skyhook-nvidia-com-v1alpha1-skyhook"
        deploymentPolicyMutatingPath   = "/mutate-skyhook-nvidia-com-v1alpha1-deploymentpolicy"

        // Certificate management
        certRotationThreshold    = 168 * time.Hour      // 7 days
        certValidityDurationYear = 365 * 24 * time.Hour // 1 year
        expirationAnnotationKey  = v1alpha1.METADATA_PREFIX + "/expiration"
)

// This project used to use cert-manager to generate the webhook certificates.
// This removes the dependency on cert-manager and simplifies the deployment.
// This also removes the need to have a specific issuer, and just uses a self-signed cert.
type WebhookControllerOptions struct { // prefix these with WEBHOOK_
        SecretName  string `env:"WEBHOOK_SECRET_NAME, default=webhook-cert"`
        ServiceName string `env:"WEBHOOK_SERVICE_NAME, default=skyhook-operator-webhook-service"`
}

type WebhookController struct {
        client.Client
        cache     runtimecache.Cache
        namespace string
        certDir   string
        opts      WebhookControllerOptions
}

func NewWebhookController(client client.Client, cache runtimecache.Cache, namespace, certDir string, opts WebhookControllerOptions) (*WebhookController, error) {
        if err := ensureDummyCert(certDir); err != nil {
                return nil, err
        }

        return &WebhookController{
                Client:    client,
                cache:     cache,
                namespace: namespace,
                certDir:   certDir,
                opts:      opts,
        }, nil
}

// Start implements the Runnable interface to ensure certificates are set up before the webhook server starts
func (r *WebhookController) Start(ctx context.Context) error {
        logger := log.FromContext(ctx)
        logger.Info("Setting up webhook certificates")

        // wait for the cache to sync
        if cache := r.cache.WaitForCacheSync(ctx); !cache {
                return fmt.Errorf("failed to wait for cache to sync")
        }
        // starts the reconcile process off
        _, err := r.GetOrCreateWebhookCertSecret(ctx, r.opts.SecretName, r.namespace)
        if err != nil {
                if errors.IsAlreadyExists(err) {
                        return nil // ignore this special case, it just needs to exist
                }
                return err
        }

        logger.Info("Webhook certificates setup complete")
        return nil
}

// NeedLeaderElection implements the Runnable interface, runs only on leader
func (r *WebhookController) NeedLeaderElection() bool {
        return true
}

func (r *WebhookController) SetupWithManager(mgr ctrl.Manager) error {
        return ctrl.NewControllerManagedBy(mgr).
                For(&corev1.Secret{}, builder.WithPredicates(predicate.NewPredicateFuncs(func(obj client.Object) bool {
                        return obj.GetNamespace() == r.namespace && obj.GetName() == r.opts.SecretName
                }))).
                // Watch webhook configurations so the leader detects external changes (e.g. Helm upgrade
                // resetting caBundle) and fixes them immediately instead of waiting for the 24h requeue.
                Watches(&admissionregistrationv1.ValidatingWebhookConfiguration{},
                        handler.EnqueueRequestsFromMapFunc(r.webhookConfigToSecret),
                        builder.WithPredicates(predicate.NewPredicateFuncs(func(obj client.Object) bool {
                                return obj.GetName() == validatingWebhookConfigName
                        }))).
                Watches(&admissionregistrationv1.MutatingWebhookConfiguration{},
                        handler.EnqueueRequestsFromMapFunc(r.webhookConfigToSecret),
                        builder.WithPredicates(predicate.NewPredicateFuncs(func(obj client.Object) bool {
                                return obj.GetName() == mutatingWebhookConfigName
                        }))).
                Complete(r)
}

// webhookConfigToSecret maps webhook config change events back to the cert Secret,
// so the existing Reconcile() can verify and fix the caBundle.
func (r *WebhookController) webhookConfigToSecret(_ context.Context, _ client.Object) []reconcile.Request {
        return []reconcile.Request{{
                NamespacedName: types.NamespacedName{Name: r.opts.SecretName, Namespace: r.namespace},
        }}
}

// permissions
//+kubebuilder:rbac:groups=admissionregistration.k8s.io,resources=validatingwebhookconfigurations;mutatingwebhookconfigurations,verbs=get;list;watch;create;update;patch;delete
//+kubebuilder:rbac:groups=core,resources=secrets,verbs=get;list;watch;create;update;patch;delete

// Reconcile is the main function that reconciles the webhook controller
func (r *WebhookController) Reconcile(ctx context.Context, req reconcile.Request) (reconcile.Result, error) {
        logger := log.FromContext(ctx)
        logger.Info("Reconciling webhook controller")

        // if its deleted, skip reconciliation, this is for cleanup
        obj := &corev1.Secret{}
        if err := r.Get(ctx, req.NamespacedName, obj); err != nil {
                // handle not found, etc.
                return ctrl.Result{}, client.IgnoreNotFound(err)
        }

        // If the object is being deleted, skip reconciliation
        if !obj.ObjectMeta.DeletionTimestamp.IsZero() {
                // Optionally: handle finalizers here if you want
                return ctrl.Result{}, nil
        }

        // 1. Get or create/update the Secret with certs
        // 2. Get or create/update the webhook configurations

        // Example: check if secret exists
        secret, err := r.GetOrCreateWebhookCertSecret(ctx, r.opts.SecretName, r.namespace)
        if err != nil {
                return reconcile.Result{}, err
        }

        _, err = r.CheckOrUpdateWebhookCertSecret(ctx, secret)
        if err != nil {
                return reconcile.Result{}, err
        }

        _, err = r.CheckOrUpdateWebhookConfigurations(ctx, secret)
        if err != nil {
                return reconcile.Result{}, err
        }

        logger.Info("Reconciled webhook controller")
        return reconcile.Result{RequeueAfter: 24 * time.Hour}, nil // requeue for periodic rotation/check
}

// GetOrCreateWebhookCertSecret returns a new secret with the given name and the given CA and cert.
func (r *WebhookController) GetOrCreateWebhookCertSecret(ctx context.Context, secretName, namespace string) (*corev1.Secret, error) {

        // get the secret
        secret := &corev1.Secret{}
        err := r.Get(ctx, types.NamespacedName{Name: secretName, Namespace: namespace}, secret)
        if err != nil {
                if errors.IsNotFound(err) {
                        // not found, create it
                        webhookCert, err := generateCert(r.opts.ServiceName, r.namespace, certValidityDurationYear)
                        if err != nil {
                                return nil, err
                        }

                        // Write cert and key to disk if CertDir is set
                        if r.certDir != "" {
                                _ = writeCertAndKey([]byte(webhookCert.TLSCert), []byte(webhookCert.TLSKey), r.certDir)
                        }

                        secret = webhookCert.ToSecret(secretName, namespace, r.opts.ServiceName)

                        if err := r.Create(ctx, secret); err != nil {
                                return nil, err
                        }

                        return secret, nil
                }
                return nil, err
        }

        // found, return it
        return secret, nil
}

// CheckOrUpdateWebhookCertSecret checks if the webhook secret is going to expire in the next 7 days or if the cert on disk is different from the secret
// if it is, it will generate a new cert and update the secret
func (r *WebhookController) CheckOrUpdateWebhookCertSecret(ctx context.Context, secret *corev1.Secret) (bool, error) {
        equal, err := compareCertOnDiskToSecret(r.certDir, secret)
        if err != nil {
                return false, err
        }

        // check if the secret is going to expire in the next 7 days or if the cert on disk is different from the secret
        if !equal || secret.Annotations[expirationAnnotationKey] < time.Now().Add(certRotationThreshold).Format(time.RFC3339) {
                // expired, generate a new cert
                webhookCert, err := generateCert(r.opts.ServiceName, r.namespace, certValidityDurationYear)
                if err != nil {
                        return false, err
                }

                // Write cert and key to disk if CertDir is set
                if r.certDir != "" {
                        _ = writeCertAndKey([]byte(webhookCert.TLSCert), []byte(webhookCert.TLSKey), r.certDir)
                }

                secret.Data["ca.crt"] = webhookCert.CABytes
                secret.Data["tls.crt"] = []byte(webhookCert.TLSCert)
                secret.Data["tls.key"] = []byte(webhookCert.TLSKey)
                secret.Annotations[expirationAnnotationKey] = webhookCert.Expiration.Format(time.RFC3339)

                return true, r.Update(ctx, secret)
        }

        return false, nil
}

// CheckOrUpdateWebhookConfigurations checks if the webhook configurations are need to be updated with the new cert
// if it is, it will update the webhook configurations
func (r *WebhookController) CheckOrUpdateWebhookConfigurations(ctx context.Context, secret *corev1.Secret) (bool, error) {
        caBundle := secret.Data["ca.crt"]

        validatingChanged, err := r.updateValidatingWebhookConfiguration(ctx, caBundle)
        if err != nil {
                return false, err
        }

        mutatingChanged, err := r.updateMutatingWebhookConfiguration(ctx, caBundle)
        if err != nil {
                return false, err
        }

        return validatingChanged || mutatingChanged, nil
}

// updateValidatingWebhookConfiguration updates the ValidatingWebhookConfiguration with the provided CABundle
func (r *WebhookController) updateValidatingWebhookConfiguration(ctx context.Context, caBundle []byte) (bool, error) {
        existingValidating := &admissionregistrationv1.ValidatingWebhookConfiguration{}
        if err := r.Get(ctx, types.NamespacedName{Name: validatingWebhookConfigName}, existingValidating); err != nil {
                if errors.IsNotFound(err) {
                        return false, fmt.Errorf("ValidatingWebhookConfiguration %q not found; creation is handled by the Helm chart. Ensure the chart is installed and webhooks are enabled: %w", validatingWebhookConfigName, err)
                }
                return false, fmt.Errorf("failed to get ValidatingWebhookConfiguration %q: %w", validatingWebhookConfigName, err)
        }

        needUpdate := false
        for i := range existingValidating.Webhooks {
                expectedRules := r.getValidatingWebhookRules(existingValidating.Webhooks[i].Name)
                if expectedRules == nil {
                        continue // Unknown webhook, skip
                }
                if validatingWebhookNeedsUpdate(&existingValidating.Webhooks[i], caBundle, expectedRules) {
                        needUpdate = true
                }
        }

        if needUpdate {
                if err := r.Update(ctx, existingValidating); err != nil {
                        return false, err
                }
                return true, nil
        }

        return false, nil
}

// updateMutatingWebhookConfiguration updates the MutatingWebhookConfiguration with the provided CABundle
func (r *WebhookController) updateMutatingWebhookConfiguration(ctx context.Context, caBundle []byte) (bool, error) {
        existingMutating := &admissionregistrationv1.MutatingWebhookConfiguration{}
        if err := r.Get(ctx, types.NamespacedName{Name: mutatingWebhookConfigName}, existingMutating); err != nil {
                if errors.IsNotFound(err) {
                        return false, fmt.Errorf("MutatingWebhookConfiguration %q not found; creation is handled by the Helm chart. Ensure the chart is installed and webhooks are enabled: %w", mutatingWebhookConfigName, err)
                }
                return false, fmt.Errorf("failed to get MutatingWebhookConfiguration %q: %w", mutatingWebhookConfigName, err)
        }

        needUpdate := false
        for i := range existingMutating.Webhooks {
                expectedRules := r.getMutatingWebhookRules(existingMutating.Webhooks[i].Name)
                if expectedRules == nil {
                        continue // Unknown webhook, skip
                }
                if mutatingWebhookNeedsUpdate(&existingMutating.Webhooks[i], caBundle, expectedRules) {
                        needUpdate = true
                }
        }

        if needUpdate {
                if err := r.Update(ctx, existingMutating); err != nil {
                        return false, err
                }
                return true, nil
        }

        return false, nil
}

// getValidatingWebhookRules returns the expected rules for a validating webhook by name
func (r *WebhookController) getValidatingWebhookRules(webhookName string) []admissionregistrationv1.RuleWithOperations {
        switch webhookName {
        case skyhookValidatingWebhookName:
                return skyhookRules()
        case deploymentPolicyValidatingWebhookName:
                return deploymentPolicyValidatingRules()
        default:
                return nil
        }
}

// getMutatingWebhookRules returns the expected rules for a mutating webhook by name
func (r *WebhookController) getMutatingWebhookRules(webhookName string) []admissionregistrationv1.RuleWithOperations {
        switch webhookName {
        case skyhookMutatingWebhookName:
                return skyhookRules()
        case deploymentPolicyMutatingWebhookName:
                return deploymentPolicyMutatingRules()
        default:
                return nil
        }
}

// webhookValidatingWebhookConfiguration returns a new validating webhook configuration.
func webhookValidatingWebhookConfiguration(namespace, serviceName string, secret *corev1.Secret) *admissionregistrationv1.ValidatingWebhookConfiguration {
        conf := admissionregistrationv1.ValidatingWebhookConfiguration{
                ObjectMeta: metav1.ObjectMeta{
                        Name: validatingWebhookConfigName,
                },
                Webhooks: []admissionregistrationv1.ValidatingWebhook{
                        {
                                Name:                    skyhookValidatingWebhookName,
                                ClientConfig:            webhookClient(serviceName, namespace, skyhookValidatingPath, secret),
                                FailurePolicy:           ptr(admissionregistrationv1.Fail),
                                Rules:                   skyhookRules(),
                                SideEffects:             ptr(admissionregistrationv1.SideEffectClassNone),
                                AdmissionReviewVersions: []string{"v1"},
                        },
                        {
                                Name:                    deploymentPolicyValidatingWebhookName,
                                ClientConfig:            webhookClient(serviceName, namespace, deploymentPolicyValidatingPath, secret),
                                FailurePolicy:           ptr(admissionregistrationv1.Fail),
                                Rules:                   deploymentPolicyValidatingRules(),
                                SideEffects:             ptr(admissionregistrationv1.SideEffectClassNone),
                                AdmissionReviewVersions: []string{"v1"},
                        },
                },
        }

        return &conf
}

// webhookMutatingWebhookConfiguration returns a new mutating webhook configuration.
func webhookMutatingWebhookConfiguration(namespace, serviceName string, secret *corev1.Secret) *admissionregistrationv1.MutatingWebhookConfiguration {
        conf := admissionregistrationv1.MutatingWebhookConfiguration{
                ObjectMeta: metav1.ObjectMeta{
                        Name: mutatingWebhookConfigName,
                },
                Webhooks: []admissionregistrationv1.MutatingWebhook{
                        {
                                Name:                    skyhookMutatingWebhookName,
                                ClientConfig:            webhookClient(serviceName, namespace, skyhookMutatingPath, secret),
                                FailurePolicy:           ptr(admissionregistrationv1.Fail),
                                Rules:                   skyhookRules(),
                                SideEffects:             ptr(admissionregistrationv1.SideEffectClassNone),
                                AdmissionReviewVersions: []string{"v1"},
                        },
                        {
                                Name:                    deploymentPolicyMutatingWebhookName,
                                ClientConfig:            webhookClient(serviceName, namespace, deploymentPolicyMutatingPath, secret),
                                FailurePolicy:           ptr(admissionregistrationv1.Fail),
                                Rules:                   deploymentPolicyMutatingRules(),
                                SideEffects:             ptr(admissionregistrationv1.SideEffectClassNone),
                                AdmissionReviewVersions: []string{"v1"},
                        },
                },
        }

        return &conf
}

func compareMutatingWebhookConfigurations(a, b *admissionregistrationv1.MutatingWebhookConfiguration) bool {
        if len(a.Webhooks) != len(b.Webhooks) {
                return true
        }
        for i := range a.Webhooks {
                if !bytes.Equal(a.Webhooks[i].ClientConfig.CABundle, b.Webhooks[i].ClientConfig.CABundle) {
                        return true
                }
        }
        return false
}

func compareValidatingWebhookConfigurations(a, b *admissionregistrationv1.ValidatingWebhookConfiguration) bool {
        if len(a.Webhooks) != len(b.Webhooks) {
                return true
        }
        for i := range a.Webhooks {
                if !bytes.Equal(a.Webhooks[i].ClientConfig.CABundle, b.Webhooks[i].ClientConfig.CABundle) {
                        return true
                }
        }
        return false
}

func webhookClient(serviceName, namespace, path string, secret *corev1.Secret) admissionregistrationv1.WebhookClientConfig {
        return admissionregistrationv1.WebhookClientConfig{
                Service: &admissionregistrationv1.ServiceReference{
                        Name:      serviceName,
                        Namespace: namespace,
                        Path:      ptr(path),
                },
                CABundle: secret.Data["ca.crt"],
        }
}

func skyhookRules() []admissionregistrationv1.RuleWithOperations {
        return []admissionregistrationv1.RuleWithOperations{
                {
                        Operations: []admissionregistrationv1.OperationType{admissionregistrationv1.Create, admissionregistrationv1.Update},
                        Rule: admissionregistrationv1.Rule{
                                APIGroups:   []string{v1alpha1.GroupVersion.Group},
                                APIVersions: []string{v1alpha1.GroupVersion.Version},
                                Resources:   []string{"skyhooks"},
                        },
                },
        }
}

// deploymentPolicyValidatingRules adds the delete operation to the mutating webhook rules, otherwise they are the same
func deploymentPolicyValidatingRules() []admissionregistrationv1.RuleWithOperations {
        mutrules := deploymentPolicyMutatingRules()
        oprs := mutrules[0].Operations
        newops := make([]admissionregistrationv1.OperationType, len(oprs))
        copy(newops, oprs)
        newops = append(newops, admissionregistrationv1.Delete)
        mutrules[0].Operations = newops
        return mutrules
}

func deploymentPolicyMutatingRules() []admissionregistrationv1.RuleWithOperations {
        return []admissionregistrationv1.RuleWithOperations{
                {
                        Operations: []admissionregistrationv1.OperationType{admissionregistrationv1.Create, admissionregistrationv1.Update},
                        Rule: admissionregistrationv1.Rule{
                                APIGroups:   []string{v1alpha1.GroupVersion.Group},
                                APIVersions: []string{v1alpha1.GroupVersion.Version},
                                Resources:   []string{"deploymentpolicies"},
                        },
                },
        }
}

// validatingWebhookNeedsUpdate checks if a validating webhook needs to be updated with new CABundle or Rules
// Returns true if updates were made to the webhook
func validatingWebhookNeedsUpdate(webhook *admissionregistrationv1.ValidatingWebhook, caBundle []byte, expectedRules []admissionregistrationv1.RuleWithOperations) bool {
        needUpdate := false

        // Check if CABundle needs to be set or updated (catches both empty and stale values)
        if !bytes.Equal(webhook.ClientConfig.CABundle, caBundle) {
                webhook.ClientConfig.CABundle = caBundle
                needUpdate = true
        }

        // Check if rules need to be updated
        if !reflect.DeepEqual(webhook.Rules, expectedRules) {
                webhook.Rules = expectedRules
                needUpdate = true
        }

        return needUpdate
}

// mutatingWebhookNeedsUpdate checks if a mutating webhook needs to be updated
func mutatingWebhookNeedsUpdate(webhook *admissionregistrationv1.MutatingWebhook, caBundle []byte, expectedRules []admissionregistrationv1.RuleWithOperations) bool {
        needUpdate := false

        // Check if CABundle needs to be set or updated (catches both empty and stale values)
        if !bytes.Equal(webhook.ClientConfig.CABundle, caBundle) {
                webhook.ClientConfig.CABundle = caBundle
                needUpdate = true
        }

        // Check if rules need to be updated
        if !reflect.DeepEqual(webhook.Rules, expectedRules) {
                webhook.Rules = expectedRules
                needUpdate = true
        }

        return needUpdate
}

// WebhookSecretReadyzCheck is a readyz check for the webhook secret, if it does not exist, it will return an error
// if it exists, it will wait for the secret to be ready, this makes sure that we don't start the operator
// if the webhook secret is not ready
func (r *WebhookController) WebhookSecretReadyzCheck(_ *http.Request) error {
        secret := &corev1.Secret{}
        err := r.Client.Get(context.Background(), types.NamespacedName{
                Name:      r.opts.SecretName,
                Namespace: r.namespace,
        }, secret)

        if err != nil {
                return err
        }

        equal, err := compareCertOnDiskToSecret(r.certDir, secret)
        if err != nil {
                return err
        }

        if !equal {
                return fmt.Errorf("webhook secret is not ready")
        }

        // check for the webhook configurations
        validatingWebhookName := webhookValidatingWebhookConfiguration(r.namespace, r.opts.ServiceName, secret).GetName()
        validatingWebhookConfiguration := &admissionregistrationv1.ValidatingWebhookConfiguration{}
        err = r.Get(context.Background(), types.NamespacedName{Name: validatingWebhookName}, validatingWebhookConfiguration)
        if err != nil {
                if errors.IsNotFound(err) {
                        return fmt.Errorf("ValidatingWebhookConfiguration %q not found. Either disable webhooks (not recommended) or reinstall the operator via the Helm chart to provision webhooks", validatingWebhookName)
                }
                return err
        }

        if !bytes.Equal(validatingWebhookConfiguration.Webhooks[0].ClientConfig.CABundle, secret.Data["ca.crt"]) {
                return fmt.Errorf("webhook secret is not ready, ca bundle is not equal to the validating webhook configuration")
        }

        mutatingWebhookConfiguration := webhookMutatingWebhookConfiguration(r.namespace, r.opts.ServiceName, secret)
        err = r.Get(context.Background(), types.NamespacedName{Name: mutatingWebhookConfiguration.Name}, mutatingWebhookConfiguration)
        if err != nil {
                if errors.IsNotFound(err) {
                        return fmt.Errorf("MutatingWebhookConfiguration %q not found. Either disable webhooks (not recommended) or reinstall the operator via the Helm chart to provision webhooks", mutatingWebhookConfiguration.Name)
                }
                return err
        }

        if !bytes.Equal(mutatingWebhookConfiguration.Webhooks[0].ClientConfig.CABundle, secret.Data["ca.crt"]) {
                return fmt.Errorf("webhook secret is not ready, ca bundle is not equal to the mutating webhook configuration")
        }

        return nil
}

NVIDIA / skyhook / 21881083720

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