/
resource_manager.go
68 lines (58 loc) · 2.7 KB
/
resource_manager.go
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// Copyright (c) 2018 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 botanist
import (
"context"
"fmt"
"time"
"github.com/gardener/gardener/pkg/utils/retry"
resourcesv1alpha1 "github.com/gardener/gardener-resource-manager/pkg/apis/resources/v1alpha1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
const (
// ManagedResourceLabelKeyOrigin is a key for a label on a managed resource with the value 'origin'.
ManagedResourceLabelKeyOrigin = "origin"
// ManagedResourceLabelValueGardener is a value for a label on a managed resource with the value 'gardener'.
ManagedResourceLabelValueGardener = "gardener"
)
// DeleteManagedResources deletes all managed resources from the Shoot namespace in the Seed.
func (b *Botanist) DeleteManagedResources(ctx context.Context) error {
return b.K8sSeedClient.Client().DeleteAllOf(
ctx,
&resourcesv1alpha1.ManagedResource{},
client.InNamespace(b.Shoot.SeedNamespace),
client.MatchingLabels{ManagedResourceLabelKeyOrigin: ManagedResourceLabelValueGardener},
)
}
// WaitUntilManagedResourcesDeleted waits until all managed resources are gone or the context is cancelled.
func (b *Botanist) WaitUntilManagedResourcesDeleted(ctx context.Context) error {
return retry.Until(ctx, 5*time.Second, func(ctx context.Context) (done bool, err error) {
managedResources := &resourcesv1alpha1.ManagedResourceList{}
if err := b.K8sSeedClient.Client().List(ctx,
managedResources,
client.InNamespace(b.Shoot.SeedNamespace),
client.MatchingLabels{ManagedResourceLabelKeyOrigin: ManagedResourceLabelValueGardener}); err != nil {
return retry.SevereError(err)
}
if len(managedResources.Items) == 0 {
return retry.Ok()
}
names := make([]string, 0, len(managedResources.Items))
for _, resource := range managedResources.Items {
names = append(names, resource.Name)
}
b.Logger.Infof("Waiting until all managed resources have been deleted in the shoot cluster...")
return retry.MinorError(fmt.Errorf("not all managed resources have been deleted in the shoot cluster (still existing: %s)", names))
})
}