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utils.go
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/
utils.go
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// Copyright (c) 2022 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 rotation
import (
"sort"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
var managedByGardenletSecretsManager = client.MatchingLabels{
"managed-by": "secrets-manager",
"manager-identity": "gardenlet",
}
type secretConfigNamesToSecrets map[string][]corev1.Secret
func groupByName(allSecrets []corev1.Secret) secretConfigNamesToSecrets {
grouped := make(secretConfigNamesToSecrets)
for _, secret := range allSecrets {
grouped[secret.Labels["name"]] = append(grouped[secret.Labels["name"]], secret)
}
for _, secrets := range grouped {
sort.Sort(ageSorter(secrets))
}
return grouped
}
// ageSorter implements sort.Interface for a slice of secrets for sorting by age.
type ageSorter []corev1.Secret
func (x ageSorter) Len() int { return len(x) }
func (x ageSorter) Less(i, j int) bool {
return x[i].CreationTimestamp.Before(&x[j].CreationTimestamp)
}
func (x ageSorter) Swap(i, j int) { x[i], x[j] = x[j], x[i] }