Files
kubesphere/pkg/models/controllers/clusterroles.go

151 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 (
"strings"
"time"
"github.com/golang/glog"
"k8s.io/api/rbac/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/informers"
"k8s.io/client-go/tools/cache"
)
const systemPrefix = "system:"
func (ctl *ClusterRoleCtl) generateObject(item v1.ClusterRole) *ClusterRole {
name := item.Name
if strings.HasPrefix(name, systemPrefix) {
return nil
}
createTime := item.CreationTimestamp.Time
if createTime.IsZero() {
createTime = time.Now()
}
object := &ClusterRole{Name: name, CreateTime: createTime, Annotation: Annotation{item.Annotations}}
return object
}
func (ctl *ClusterRoleCtl) Name() string {
return ctl.CommonAttribute.Name
}
func (ctl *ClusterRoleCtl) sync(stopChan chan struct{}) {
db := ctl.DB
if db.HasTable(&ClusterRole{}) {
db.DropTable(&ClusterRole{})
}
db = db.CreateTable(&ClusterRole{})
ctl.initListerAndInformer()
list, err := ctl.lister.List(labels.Everything())
if err != nil {
glog.Error(err)
return
}
for _, item := range list {
obj := ctl.generateObject(*item)
if obj != nil {
db.Create(obj)
}
}
ctl.informer.Run(stopChan)
}
func (ctl *ClusterRoleCtl) total() int {
list, err := ctl.lister.List(labels.Everything())
if err != nil {
glog.Errorf("count %s falied, reason:%s", err, ctl.Name())
return 0
}
count := 0
for _, item := range list {
if !strings.HasPrefix(item.Name, systemPrefix) {
count++
}
}
return count
}
func (ctl *ClusterRoleCtl) initListerAndInformer() {
db := ctl.DB
informerFactory := informers.NewSharedInformerFactory(ctl.K8sClient, time.Second*resyncCircle)
ctl.lister = informerFactory.Rbac().V1().ClusterRoles().Lister()
informer := informerFactory.Rbac().V1().ClusterRoles().Informer()
informer.AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
object := obj.(*v1.ClusterRole)
mysqlObject := ctl.generateObject(*object)
if mysqlObject != nil {
db.Create(mysqlObject)
}
},
UpdateFunc: func(old, new interface{}) {
object := new.(*v1.ClusterRole)
mysqlObject := ctl.generateObject(*object)
if mysqlObject != nil {
db.Save(mysqlObject)
}
},
DeleteFunc: func(obj interface{}) {
var item ClusterRole
object := obj.(*v1.ClusterRole)
db.Where("name=?", object.Name).Find(&item)
db.Delete(item)
},
})
ctl.informer = informer
}
func (ctl *ClusterRoleCtl) CountWithConditions(conditions string) int {
var object ClusterRole
if strings.Contains(conditions, "namespace") {
conditions = ""
}
return countWithConditions(ctl.DB, conditions, &object)
}
func (ctl *ClusterRoleCtl) ListWithConditions(conditions string, paging *Paging) (int, interface{}, error) {
var object ClusterRole
var list []ClusterRole
var total int
order := "createTime desc"
db := ctl.DB
listWithConditions(db, &total, &object, &list, conditions, paging, order)
return total, list, nil
}