forked from gardener/gardener
/
project_status_updater.go
69 lines (61 loc) · 2.68 KB
/
project_status_updater.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 (
gardenv1beta1 "github.com/gardener/gardener/pkg/apis/garden/v1beta1"
gardenlisters "github.com/gardener/gardener/pkg/client/garden/listers/garden/v1beta1"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/logger"
"k8s.io/client-go/util/retry"
)
// UpdaterInterface is an interface used to update the Project manifest.
// For any use other than testing, clients should create an instance using NewRealUpdater.
type UpdaterInterface interface {
UpdateProjectStatus(project *gardenv1beta1.Project) (*gardenv1beta1.Project, error)
}
// NewRealUpdater returns a UpdaterInterface that updates the Project manifest, using the supplied client and projectLister.
func NewRealUpdater(k8sGardenClient kubernetes.Interface, projectLister gardenlisters.ProjectLister) UpdaterInterface {
return &realUpdater{k8sGardenClient, projectLister}
}
type realUpdater struct {
k8sGardenClient kubernetes.Interface
projectLister gardenlisters.ProjectLister
}
// UpdateProjectStatus updates the Project manifest. Implementations are required to retry on conflicts,
// but fail on other errors. If the returned error is nil Project's manifest has been successfully set.
func (u *realUpdater) UpdateProjectStatus(project *gardenv1beta1.Project) (*gardenv1beta1.Project, error) {
var (
newProject *gardenv1beta1.Project
status = project.Status
updateErr error
)
if err := retry.RetryOnConflict(retry.DefaultRetry, func() error {
project.Status = status
newProject, updateErr = u.k8sGardenClient.Garden().GardenV1beta1().Projects().UpdateStatus(project)
if updateErr == nil {
return nil
}
updated, err := u.projectLister.Get(project.Name)
if err == nil {
project = updated.DeepCopy()
} else {
logger.Logger.Errorf("error getting updated Project %s from lister: %v", project.Name, err)
}
return updateErr
}); err != nil {
return nil, err
}
return newProject, nil
}
var _ UpdaterInterface = &realUpdater{}