1 Star 0 Fork 0

zhuchance / kubernetes

加入 Gitee
与超过 1200万 开发者一起发现、参与优秀开源项目,私有仓库也完全免费 :)
免费加入
克隆/下载
resize_util.go 4.03 KB
一键复制 编辑 原始数据 按行查看 历史
Hemant Kumar 提交于 2018-01-16 16:11 . Improve messaging on resize
/*
Copyright 2018 The Kubernetes Authors.
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 util
import (
"encoding/json"
"fmt"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/strategicpatch"
clientset "k8s.io/client-go/kubernetes"
)
var (
knownResizeConditions map[v1.PersistentVolumeClaimConditionType]bool = map[v1.PersistentVolumeClaimConditionType]bool{
v1.PersistentVolumeClaimFileSystemResizePending: true,
v1.PersistentVolumeClaimResizing: true,
}
)
type resizeProcessStatus struct {
condition v1.PersistentVolumeClaimCondition
processed bool
}
// ClaimToClaimKey return namespace/name string for pvc
func ClaimToClaimKey(claim *v1.PersistentVolumeClaim) string {
return fmt.Sprintf("%s/%s", claim.Namespace, claim.Name)
}
// MarkFSResizeFinished marks file system resizing as done
func MarkFSResizeFinished(
pvc *v1.PersistentVolumeClaim,
capacity v1.ResourceList,
kubeClient clientset.Interface) error {
newPVC := pvc.DeepCopy()
newPVC.Status.Capacity = capacity
newPVC = MergeResizeConditionOnPVC(newPVC, []v1.PersistentVolumeClaimCondition{})
_, err := PatchPVCStatus(pvc /*oldPVC*/, newPVC, kubeClient)
return err
}
// PatchPVCStatus updates PVC status using PATCH verb
func PatchPVCStatus(
oldPVC *v1.PersistentVolumeClaim,
newPVC *v1.PersistentVolumeClaim,
kubeClient clientset.Interface) (*v1.PersistentVolumeClaim, error) {
pvcName := oldPVC.Name
oldData, err := json.Marshal(oldPVC)
if err != nil {
return nil, fmt.Errorf("PatchPVCStatus.Failed to marshal oldData for pvc %q with %v", pvcName, err)
}
newData, err := json.Marshal(newPVC)
if err != nil {
return nil, fmt.Errorf("PatchPVCStatus.Failed to marshal newData for pvc %q with %v", pvcName, err)
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, oldPVC)
if err != nil {
return nil, fmt.Errorf("PatchPVCStatus.Failed to CreateTwoWayMergePatch for pvc %q with %v ", pvcName, err)
}
updatedClaim, updateErr := kubeClient.CoreV1().PersistentVolumeClaims(oldPVC.Namespace).
Patch(pvcName, types.StrategicMergePatchType, patchBytes, "status")
if updateErr != nil {
return nil, fmt.Errorf("PatchPVCStatus.Failed to patch PVC %q with %v", pvcName, updateErr)
}
return updatedClaim, nil
}
// MergeResizeConditionOnPVC updates pvc with requested resize conditions
// leaving other conditions untouched.
func MergeResizeConditionOnPVC(
pvc *v1.PersistentVolumeClaim,
resizeConditions []v1.PersistentVolumeClaimCondition) *v1.PersistentVolumeClaim {
resizeConditionMap := map[v1.PersistentVolumeClaimConditionType]*resizeProcessStatus{}
for _, condition := range resizeConditions {
resizeConditionMap[condition.Type] = &resizeProcessStatus{condition, false}
}
oldConditions := pvc.Status.Conditions
newConditions := []v1.PersistentVolumeClaimCondition{}
for _, condition := range oldConditions {
// If Condition is of not resize type, we keep it.
if _, ok := knownResizeConditions[condition.Type]; !ok {
newConditions = append(newConditions, condition)
continue
}
if newCondition, ok := resizeConditionMap[condition.Type]; ok {
if newCondition.condition.Status != condition.Status {
newConditions = append(newConditions, newCondition.condition)
} else {
newConditions = append(newConditions, condition)
}
newCondition.processed = true
}
}
// append all unprocessed conditions
for _, newCondition := range resizeConditionMap {
if !newCondition.processed {
newConditions = append(newConditions, newCondition.condition)
}
}
pvc.Status.Conditions = newConditions
return pvc
}
马建仓 AI 助手
尝试更多
代码解读
代码找茬
代码优化
Go
1
https://gitee.com/meoom/kubernetes.git
git@gitee.com:meoom/kubernetes.git
meoom
kubernetes
kubernetes
v1.11.2-beta.0

搜索帮助

344bd9b3 5694891 D2dac590 5694891