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

119 lines
2.6 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 (
"time"
"github.com/golang/glog"
"github.com/jinzhu/gorm"
"k8s.io/client-go/kubernetes"
"kubesphere.io/kubesphere/pkg/client"
)
type resourceControllers struct {
controllers map[string]Controller
k8sClient *kubernetes.Clientset
}
var stopChan chan struct{}
var rec resourceControllers
func (rec *resourceControllers) runContoller(name string) {
var ctl Controller
attr := CommonAttribute{DB: client.NewDBClient(), K8sClient: rec.k8sClient, stopChan: stopChan, aliveChan: make(chan struct{})}
switch name {
case Deployments:
ctl = &DeploymentCtl{attr}
case Statefulsets:
ctl = &StatefulsetCtl{attr}
case Daemonsets:
ctl = &DaemonsetCtl{attr}
case Ingresses:
ctl = &IngressCtl{attr}
case PersistentVolumeClaim:
ctl = &PvcCtl{attr}
case Roles:
ctl = &RoleCtl{attr}
case ClusterRoles:
ctl = &ClusterRoleCtl{attr}
case Services:
ctl = &ServiceCtl{attr}
case Pods:
ctl = &PodCtl{attr}
case Namespaces:
ctl = &NamespaceCtl{attr}
case StorageClasses:
ctl = &StorageClassCtl{attr}
default:
return
}
rec.controllers[name] = ctl
go ctl.listAndWatch()
}
func dbHealthCheck(db *gorm.DB) {
for {
count := 0
var err error
for k := 0; k < 5; k++ {
err = db.DB().Ping()
if err != nil {
count++
}
time.Sleep(1 * time.Second)
}
if count > 3 {
panic(err)
}
}
}
func Run() {
stopChan := make(chan struct{})
defer close(stopChan)
rec = resourceControllers{k8sClient: client.NewK8sClient(), controllers: make(map[string]Controller)}
for _, item := range []string{Deployments, Statefulsets, Daemonsets, PersistentVolumeClaim, Pods, Services,
Ingresses, Roles, ClusterRoles, Namespaces, StorageClasses} {
rec.runContoller(item)
}
go dbHealthCheck(client.NewDBClient())
for {
for ctlName, controller := range rec.controllers {
select {
case _, isClose := <-controller.chanAlive():
if !isClose {
glog.Errorf("controller %s have stopped, restart it", ctlName)
rec.runContoller(ctlName)
}
default:
time.Sleep(5 * time.Second)
}
}
}
}