forked from gardener/gardener
/
project.go
87 lines (76 loc) · 3.37 KB
/
project.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 kubernetes
import (
gardenv1beta1 "github.com/gardener/gardener/pkg/apis/garden/v1beta1"
garden "github.com/gardener/gardener/pkg/client/garden/clientset/versioned"
"github.com/gardener/gardener/pkg/logger"
"k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/util/retry"
)
func tryUpdateProject(
g garden.Interface,
backoff wait.Backoff,
meta metav1.ObjectMeta,
transform func(*gardenv1beta1.Project) (*gardenv1beta1.Project, error),
updateFunc func(g garden.Interface, project *gardenv1beta1.Project) (*gardenv1beta1.Project, error),
compare func(cur, updated *gardenv1beta1.Project) bool,
) (*gardenv1beta1.Project, error) {
var (
result *gardenv1beta1.Project
attempt int
)
err := retry.RetryOnConflict(backoff, func() (err error) {
attempt++
cur, err := g.GardenV1beta1().Projects().Get(meta.Name, metav1.GetOptions{})
if err != nil {
return err
}
updated, err := transform(cur.DeepCopy())
if err != nil {
return err
}
if compare(cur, updated) {
result = cur
return nil
}
result, err = updateFunc(g, updated)
if err != nil {
logger.Logger.Errorf("Attempt %d failed to update Project %s due to %v", attempt, cur.Name, err)
}
return
})
if err != nil {
logger.Logger.Errorf("Failed to updated Project %s after %d attempts due to %v", meta.Name, attempt, err)
}
return result, err
}
// TryUpdateProject tries to update a project and retries the operation with the given <backoff>.
func TryUpdateProject(g garden.Interface, backoff wait.Backoff, meta metav1.ObjectMeta, transform func(*gardenv1beta1.Project) (*gardenv1beta1.Project, error)) (*gardenv1beta1.Project, error) {
return tryUpdateProject(g, backoff, meta, transform, func(g garden.Interface, project *gardenv1beta1.Project) (*gardenv1beta1.Project, error) {
return g.GardenV1beta1().Projects().Update(project)
}, func(cur, updated *gardenv1beta1.Project) bool {
return equality.Semantic.DeepEqual(cur, updated)
})
}
// TryUpdateProjectStatus tries to update a project's status and retries the operation with the given <backoff>.
func TryUpdateProjectStatus(g garden.Interface, backoff wait.Backoff, meta metav1.ObjectMeta, transform func(*gardenv1beta1.Project) (*gardenv1beta1.Project, error)) (*gardenv1beta1.Project, error) {
return tryUpdateProject(g, backoff, meta, transform, func(g garden.Interface, project *gardenv1beta1.Project) (*gardenv1beta1.Project, error) {
return g.GardenV1beta1().Projects().UpdateStatus(project)
}, func(cur, updated *gardenv1beta1.Project) bool {
return equality.Semantic.DeepEqual(cur.Status, updated.Status)
})
}