/
project_control_delete.go
79 lines (68 loc) · 3.09 KB
/
project_control_delete.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 project
import (
"context"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/sirupsen/logrus"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apierrors "k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/util/sets"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func (c *defaultControl) delete(project *gardencorev1beta1.Project, projectLogger logrus.FieldLogger) (bool, error) {
if namespace := project.Spec.Namespace; namespace != nil {
alreadyDeleted, err := c.deleteNamespace(project, *namespace)
if err != nil {
c.reportEvent(project, true, gardencorev1beta1.ProjectEventNamespaceDeletionFailed, err.Error())
c.updateProjectStatus(project.ObjectMeta, setProjectPhase(gardencorev1beta1.ProjectFailed))
return false, err
}
if !alreadyDeleted {
c.reportEvent(project, false, gardencorev1beta1.ProjectEventNamespaceMarkedForDeletion, "Successfully marked namespace %q for deletion.", *namespace)
c.updateProjectStatus(project.ObjectMeta, setProjectPhase(gardencorev1beta1.ProjectTerminating))
return true, nil
}
}
// Remove finalizer from project resource.
projectFinalizers := sets.NewString(project.Finalizers...)
projectFinalizers.Delete(gardencorev1beta1.GardenerName)
project.Finalizers = projectFinalizers.UnsortedList()
if _, err := c.k8sGardenClient.GardenCore().CoreV1beta1().Projects().Update(project); err != nil && !apierrors.IsNotFound(err) {
projectLogger.Error(err.Error())
return false, err
}
return false, nil
}
func (c *defaultControl) deleteNamespace(project *gardencorev1beta1.Project, namespaceName string) (bool, error) {
namespace, err := c.namespaceLister.Get(namespaceName)
if err != nil {
if apierrors.IsNotFound(err) {
return true, nil
}
return false, err
}
// If the namespace has been already marked for deletion we do not need to do it again.
if namespace.DeletionTimestamp != nil {
return false, nil
}
// To prevent "stealing" namespaces by other projects we only delete the namespace if its labels match
// the project labels.
if !apiequality.Semantic.DeepDerivative(namespaceLabelsFromProjectDeprecated(project), namespace.Labels) {
return true, nil
}
err = c.k8sGardenClient.Client().Delete(context.TODO(), namespace, kubernetes.DefaultDeleteOptions...)
return false, client.IgnoreNotFound(err)
}