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secrets.go
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secrets.go
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// Copyright 2023 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 gardenerapiserver
import (
"context"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
operatorv1alpha1 "github.com/gardener/gardener/pkg/apis/operator/v1alpha1"
"github.com/gardener/gardener/pkg/component/apiserver"
gardenerutils "github.com/gardener/gardener/pkg/utils/gardener"
kubernetesutils "github.com/gardener/gardener/pkg/utils/kubernetes"
secretsutils "github.com/gardener/gardener/pkg/utils/secrets"
secretsmanager "github.com/gardener/gardener/pkg/utils/secrets/manager"
)
const (
secretAuditWebhookKubeconfigNamePrefix = "gardener-apiserver-audit-webhook-kubeconfig"
secretAdmissionKubeconfigsNamePrefix = "gardener-apiserver-admission-kubeconfigs"
)
func (g *gardenerAPIServer) emptySecret(name string) *corev1.Secret {
return &corev1.Secret{ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: g.namespace}}
}
func (g *gardenerAPIServer) newVirtualGardenAccessSecret() *gardenerutils.AccessSecret {
return gardenerutils.NewShootAccessSecret(DeploymentName, g.namespace)
}
func (g *gardenerAPIServer) reconcileSecretETCDEncryptionConfiguration(ctx context.Context, secret *corev1.Secret) error {
return apiserver.ReconcileSecretETCDEncryptionConfiguration(
ctx,
g.client,
g.secretsManager,
g.values.ETCDEncryption,
secret,
v1beta1constants.SecretNameGardenerETCDEncryptionKey,
v1beta1constants.SecretNamePrefixGardenerETCDEncryptionConfiguration,
)
}
func (g *gardenerAPIServer) reconcileSecretServer(ctx context.Context) (*corev1.Secret, error) {
return g.secretsManager.Generate(ctx, &secretsutils.CertificateSecretConfig{
Name: secretNameServerCert,
CommonName: serviceName,
DNSNames: append(kubernetesutils.DNSNamesForService(DeploymentName, g.namespace), kubernetesutils.DNSNamesForService(DeploymentName, metav1.NamespaceSystem)...),
CertType: secretsutils.ServerCert,
SkipPublishingCACertificate: true,
}, secretsmanager.SignedByCA(operatorv1alpha1.SecretNameCAGardener), secretsmanager.Rotate(secretsmanager.InPlace))
}