132 lines
3.3 KiB
Go
132 lines
3.3 KiB
Go
/*
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Copyright 2018 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controllers
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import (
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"time"
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"github.com/golang/glog"
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"github.com/jinzhu/gorm"
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"k8s.io/client-go/kubernetes"
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"kubesphere.io/kubesphere/pkg/client"
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)
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type resourceControllers struct {
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Controllers map[string]Controller
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k8sClient *kubernetes.Clientset
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}
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var ResourceControllers resourceControllers
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func (rec *resourceControllers) runContoller(name string, stopChan chan struct{}) {
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var ctl Controller
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attr := CommonAttribute{DB: client.NewDBClient(), K8sClient: rec.k8sClient, stopChan: stopChan,
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aliveChan: make(chan struct{}), Name: name}
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switch name {
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case Deployments:
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ctl = &DeploymentCtl{CommonAttribute: attr}
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case Statefulsets:
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ctl = &StatefulsetCtl{CommonAttribute: attr}
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case Daemonsets:
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ctl = &DaemonsetCtl{CommonAttribute: attr}
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case Ingresses:
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ctl = &IngressCtl{CommonAttribute: attr}
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case PersistentVolumeClaim:
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ctl = &PvcCtl{CommonAttribute: attr}
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case Roles:
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ctl = &RoleCtl{CommonAttribute: attr}
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case ClusterRoles:
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ctl = &ClusterRoleCtl{CommonAttribute: attr}
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case Services:
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ctl = &ServiceCtl{CommonAttribute: attr}
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case Pods:
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ctl = &PodCtl{CommonAttribute: attr}
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case Namespaces:
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ctl = &NamespaceCtl{CommonAttribute: attr}
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case StorageClasses:
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ctl = &StorageClassCtl{CommonAttribute: attr}
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case Jobs:
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ctl = &JobCtl{CommonAttribute: attr}
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case Cronjobs:
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ctl = &CronJobCtl{CommonAttribute: attr}
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case Nodes:
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ctl = &NodeCtl{CommonAttribute: attr}
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case Replicasets:
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ctl = &ReplicaSetCtl{CommonAttribute: attr}
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case ControllerRevisions:
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ctl = &ControllerRevisionCtl{CommonAttribute: attr}
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default:
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return
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}
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rec.Controllers[name] = ctl
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go listAndWatch(ctl)
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}
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func dbHealthCheck(db *gorm.DB) {
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defer db.Close()
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for {
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count := 0
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var err error
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for k := 0; k < 5; k++ {
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err = db.DB().Ping()
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if err != nil {
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count++
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}
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time.Sleep(5 * time.Second)
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}
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if count > 3 {
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panic(err)
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}
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}
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}
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func Run() {
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stopChan := make(chan struct{})
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defer close(stopChan)
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k8sClient := client.NewK8sClient()
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ResourceControllers = resourceControllers{k8sClient: k8sClient, Controllers: make(map[string]Controller)}
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for _, item := range []string{Deployments, Statefulsets, Daemonsets, PersistentVolumeClaim, Pods, Services,
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Ingresses, Roles, ClusterRoles, Namespaces, StorageClasses, Jobs, Cronjobs, Nodes, Replicasets, ControllerRevisions} {
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ResourceControllers.runContoller(item, stopChan)
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}
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go dbHealthCheck(client.NewDBClient())
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for {
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for ctlName, controller := range ResourceControllers.Controllers {
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select {
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case _, isClose := <-controller.chanAlive():
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if !isClose {
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glog.Errorf("controller %s have stopped, restart it", ctlName)
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ResourceControllers.runContoller(ctlName, stopChan)
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}
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default:
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time.Sleep(5 * time.Second)
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}
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}
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}
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}
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