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eventhandler_project.go
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/
eventhandler_project.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 graph
import (
"time"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
toolscache "k8s.io/client-go/tools/cache"
"sigs.k8s.io/controller-runtime/pkg/cache"
)
func (g *graph) setupProjectWatch(informer cache.Informer) {
informer.AddEventHandler(toolscache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
project, ok := obj.(*gardencorev1beta1.Project)
if !ok {
return
}
g.handleProjectCreateOrUpdate(project)
},
UpdateFunc: func(oldObj, newObj interface{}) {
oldProject, ok := oldObj.(*gardencorev1beta1.Project)
if !ok {
return
}
newProject, ok := newObj.(*gardencorev1beta1.Project)
if !ok {
return
}
if !apiequality.Semantic.DeepEqual(oldProject.Spec.Namespace, newProject.Spec.Namespace) {
g.handleProjectCreateOrUpdate(newProject)
}
},
DeleteFunc: func(obj interface{}) {
if tombstone, ok := obj.(toolscache.DeletedFinalStateUnknown); ok {
obj = tombstone.Obj
}
project, ok := obj.(*gardencorev1beta1.Project)
if !ok {
return
}
g.handleProjectDelete(project)
},
})
}
func (g *graph) handleProjectCreateOrUpdate(project *gardencorev1beta1.Project) {
start := time.Now()
defer func() {
metricUpdateDuration.WithLabelValues("Project", "CreateOrUpdate").Observe(time.Since(start).Seconds())
}()
g.lock.Lock()
defer g.lock.Unlock()
g.deleteVertex(VertexTypeProject, "", project.Name)
if project.Spec.Namespace != nil {
var (
projectVertex = g.getOrCreateVertex(VertexTypeProject, "", project.Name)
namespaceVertex = g.getOrCreateVertex(VertexTypeNamespace, "", *project.Spec.Namespace)
)
g.addEdge(projectVertex, namespaceVertex)
}
}
func (g *graph) handleProjectDelete(project *gardencorev1beta1.Project) {
start := time.Now()
defer func() {
metricUpdateDuration.WithLabelValues("Project", "Delete").Observe(time.Since(start).Seconds())
}()
g.lock.Lock()
defer g.lock.Unlock()
g.deleteVertex(VertexTypeProject, "", project.Name)
}