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gardenaccess.go
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gardenaccess.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 secretsrotation
import (
"context"
"fmt"
"github.com/go-logr/logr"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
kubernetesutils "github.com/gardener/gardener/pkg/utils/kubernetes"
)
// RenewGardenSecretsInAllSeeds annotates all seeds to trigger renewal of their garden secrets.
func RenewGardenSecretsInAllSeeds(ctx context.Context, log logr.Logger, c client.Client, operationAnnotation string) error {
seedList := &metav1.PartialObjectMetadataList{}
seedList.SetGroupVersionKind(gardencorev1beta1.SchemeGroupVersion.WithKind("SeedList"))
if err := c.List(ctx, seedList); err != nil {
return err
}
log.Info("Seeds requiring renewal of their garden secrets", v1beta1constants.GardenerOperation, operationAnnotation, "number", len(seedList.Items))
for _, seed := range seedList.Items {
log := log.WithValues("seed", seed.Name)
if seed.Annotations[v1beta1constants.GardenerOperation] == operationAnnotation {
continue
}
if seed.Annotations[v1beta1constants.GardenerOperation] != "" {
return fmt.Errorf("error annotating seed %s: already annotated with \"%s: %s\"", seed.Name, v1beta1constants.GardenerOperation, seed.Annotations[v1beta1constants.GardenerOperation])
}
seed.SetGroupVersionKind(gardencorev1beta1.SchemeGroupVersion.WithKind("Seed"))
patch := client.MergeFrom(seed.DeepCopy())
kubernetesutils.SetMetaDataAnnotation(&seed.ObjectMeta, v1beta1constants.GardenerOperation, operationAnnotation)
if err := c.Patch(ctx, &seed, patch); err != nil {
return fmt.Errorf("error annotating seed %s: %w", seed.Name, err)
}
log.Info("Successfully annotated seed to renew its garden secrets", v1beta1constants.GardenerOperation, operationAnnotation)
}
return nil
}
// CheckIfGardenSecretsRenewalCompletedInAllSeeds checks if renewal of garden secrets is completed for all seeds.
func CheckIfGardenSecretsRenewalCompletedInAllSeeds(ctx context.Context, c client.Client, operationAnnotation string) error {
seedList := &metav1.PartialObjectMetadataList{}
seedList.SetGroupVersionKind(gardencorev1beta1.SchemeGroupVersion.WithKind("SeedList"))
if err := c.List(ctx, seedList); err != nil {
return err
}
for _, seed := range seedList.Items {
if seed.Annotations[v1beta1constants.GardenerOperation] == operationAnnotation {
return fmt.Errorf("renewing secrets for seed %q is not yet completed", seed.Name)
}
}
return nil
}