Files
kubesphere/pkg/models/controllers/storageclasses.go
2018-09-19 14:00:35 +08:00

162 lines
3.8 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 (
"fmt"
"time"
"github.com/golang/glog"
"k8s.io/api/storage/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/informers"
"k8s.io/client-go/tools/cache"
)
func (ctl *StorageClassCtl) generateObject(item v1.StorageClass) *StorageClass {
var displayName string
if item.Annotations != nil && len(item.Annotations[DisplayName]) > 0 {
displayName = item.Annotations[DisplayName]
}
name := item.Name
createTime := item.CreationTimestamp.Time
isDefault := false
provisioner := item.Provisioner
if item.Annotations["storageclass.beta.kubernetes.io/is-default-class"] == "true" {
isDefault = true
}
if createTime.IsZero() {
createTime = time.Now()
}
object := &StorageClass{
Name: name,
DisplayName: displayName,
CreateTime: createTime,
IsDefault: isDefault,
Annotation: MapString{item.Annotations},
Provisioner: provisioner,
}
return object
}
func (ctl *StorageClassCtl) Name() string {
return ctl.CommonAttribute.Name
}
func (ctl *StorageClassCtl) sync(stopChan chan struct{}) {
db := ctl.DB
if db.HasTable(&StorageClass{}) {
db.DropTable(&StorageClass{})
}
db = db.CreateTable(&StorageClass{})
ctl.initListerAndInformer()
list, err := ctl.lister.List(labels.Everything())
if err != nil {
glog.Error(err)
return
}
for _, item := range list {
obj := ctl.generateObject(*item)
db.Create(obj)
}
ctl.informer.Run(stopChan)
}
func (ctl *StorageClassCtl) total() int {
list, err := ctl.lister.List(labels.Everything())
if err != nil {
glog.Errorf("count %s falied, reason:%s", err, ctl.Name())
return 0
}
return len(list)
}
func (ctl *StorageClassCtl) initListerAndInformer() {
db := ctl.DB
informerFactory := informers.NewSharedInformerFactory(ctl.K8sClient, time.Second*resyncCircle)
ctl.lister = informerFactory.Storage().V1().StorageClasses().Lister()
informer := informerFactory.Storage().V1().StorageClasses().Informer()
informer.AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
object := obj.(*v1.StorageClass)
mysqlObject := ctl.generateObject(*object)
db.Create(mysqlObject)
},
UpdateFunc: func(old, new interface{}) {
object := new.(*v1.StorageClass)
mysqlObject := ctl.generateObject(*object)
db.Save(mysqlObject)
},
DeleteFunc: func(obj interface{}) {
var item StorageClass
object := obj.(*v1.StorageClass)
db.Where("name=?", object.Name).Find(&item)
db.Delete(item)
},
})
ctl.informer = informer
}
func (ctl *StorageClassCtl) CountWithConditions(conditions string) int {
var object StorageClass
return countWithConditions(ctl.DB, conditions, &object)
}
func (ctl *StorageClassCtl) ListWithConditions(conditions string, paging *Paging, order string) (int, interface{}, error) {
var list []StorageClass
var object StorageClass
var total int
if len(order) == 0 {
order = "createTime desc"
}
listWithConditions(ctl.DB, &total, &object, &list, conditions, paging, order)
for index, storageClass := range list {
name := storageClass.Name
pvcCtl := ResourceControllers.Controllers[PersistentVolumeClaim]
list[index].Count = pvcCtl.CountWithConditions(fmt.Sprintf("storage_class=\"%s\"", name))
}
return total, list, nil
}
func (ctl *StorageClassCtl) Lister() interface{} {
return ctl.lister
}