Files
kubesphere/pkg/models/controllers/storageclasses.go
2018-06-16 12:13:48 +08:00

142 lines
3.4 KiB
Go

/*
Copyright 2018 The KubeSphere 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 controllers
import (
"encoding/json"
"fmt"
"time"
"github.com/golang/glog"
"k8s.io/api/storage/v1beta1"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
"kubesphere.io/kubesphere/pkg/client"
)
func (ctl *StorageClassCtl) generateObject(item v1beta1.StorageClass) *StorageClass {
name := item.Name
createTime := item.CreationTimestamp.Time
isDefault := false
if item.Annotations["storageclass.beta.kubernetes.io/is-default-class"] == "true" {
isDefault = true
}
if createTime.IsZero() {
createTime = time.Now()
}
annotation, _ := json.Marshal(item.Annotations)
object := &StorageClass{Name: name, CreateTime: createTime, IsDefault: isDefault, AnnotationStr: string(annotation)}
return object
}
func (ctl *StorageClassCtl) listAndWatch() {
defer func() {
defer close(ctl.aliveChan)
if err := recover(); err != nil {
glog.Error(err)
return
}
}()
db := ctl.DB
if db.HasTable(&StorageClass{}) {
db.DropTable(&StorageClass{})
}
db = db.CreateTable(&StorageClass{})
k8sClient := client.NewK8sClient()
list, err := k8sClient.StorageV1beta1().StorageClasses().List(meta_v1.ListOptions{})
if err != nil {
glog.Error(err)
return
}
for _, item := range list.Items {
obj := ctl.generateObject(item)
db.Create(obj)
}
watcher, err := k8sClient.StorageV1beta1().StorageClasses().Watch(meta_v1.ListOptions{})
if err != nil {
glog.Error(err)
return
}
for {
select {
case <-ctl.stopChan:
return
case event := <-watcher.ResultChan():
var sc StorageClass
if event.Object == nil {
break
}
object := event.Object.(*v1beta1.StorageClass)
if event.Type == watch.Deleted {
db.Where("name=?", object.Name).Find(&sc)
db.Delete(sc)
break
}
obj := ctl.generateObject(*object)
db.Save(obj)
}
}
}
func (ctl *StorageClassCtl) CountWithConditions(conditions string) int {
var object StorageClass
return countWithConditions(ctl.DB, conditions, &object)
}
func (ctl *StorageClassCtl) ListWithConditions(conditions string, paging *Paging) (int, interface{}, error) {
var list []StorageClass
var object StorageClass
var total int
order := "createTime desc"
listWithConditions(ctl.DB, &total, &object, &list, conditions, paging, order)
for index, storageClass := range list {
name := storageClass.Name
annotation := make(map[string]string)
json.Unmarshal([]byte(storageClass.AnnotationStr), &annotation)
list[index].Annotation = annotation
list[index].AnnotationStr = ""
pvcCtl := PvcCtl{CommonAttribute{K8sClient: ctl.K8sClient, DB: ctl.DB}}
list[index].Count = pvcCtl.CountWithConditions(fmt.Sprintf("storage_class=\"%s\"", name))
}
return total, list, nil
}
func (ctl *StorageClassCtl) Count(name string) int {
var count int
db := ctl.DB
db.Model(&StorageClass{}).Count(&count)
return count
}