/
managedseed.go
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/
managedseed.go
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// Copyright (c) 2021 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 kubernetes
import (
"context"
"fmt"
"github.com/gardener/gardener/pkg/apis/seedmanagement"
seedmanagementv1alpha1 "github.com/gardener/gardener/pkg/apis/seedmanagement/v1alpha1"
gardenseedmanagementclientset "github.com/gardener/gardener/pkg/client/seedmanagement/clientset/versioned"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
)
// GetManagedSeed gets the ManagedSeed resource for the given shoot namespace and name,
// by searching for all ManagedSeeds in the shoot namespace that have spec.shoot.name set to the shoot name.
// If no such ManagedSeeds are found, nil is returned.
func GetManagedSeed(ctx context.Context, seedManagementClient gardenseedmanagementclientset.Interface, shootNamespace, shootName string) (*seedmanagementv1alpha1.ManagedSeed, error) {
managedSeedList, err := seedManagementClient.SeedmanagementV1alpha1().ManagedSeeds(shootNamespace).List(ctx, metav1.ListOptions{
FieldSelector: fields.SelectorFromSet(fields.Set{seedmanagement.ManagedSeedShootName: shootName}).String(),
})
if err != nil {
return nil, err
}
if len(managedSeedList.Items) == 0 {
return nil, nil
}
if len(managedSeedList.Items) > 1 {
return nil, fmt.Errorf("found more than one ManagedSeed objects for shoot %s/%s", shootNamespace, shootName)
}
return &managedSeedList.Items[0], nil
}