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taskgroup.go
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taskgroup.go
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/*
* Tencent is pleased to support the open source community by making Blueking Container Service available.
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* Unless required by tasklicable 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 etcd
import (
"os"
"strconv"
"sync"
"golang.org/x/net/context"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/tools/cache"
"github.com/Tencent/bk-bcs/bcs-common/common/blog"
schedulertypes "github.com/Tencent/bk-bcs/bcs-common/pkg/scheduler/schetypes"
"github.com/Tencent/bk-bcs/bcs-mesos/kubebkbcsv2/apis/bkbcs/v2"
bkbcsv2 "github.com/Tencent/bk-bcs/bcs-mesos/kubebkbcsv2/client/informers/externalversions/bkbcs/v2"
"github.com/Tencent/bk-bcs/bcs-runtime/bcs-mesos/bcs-mesos-watch/cluster"
"github.com/Tencent/bk-bcs/bcs-runtime/bcs-mesos/bcs-mesos-watch/types"
"github.com/Tencent/bk-bcs/bcs-runtime/bcs-mesos/bcs-mesos-watch/util"
)
// TaskControlInfo store all task info under one namespace
type TaskControlInfo struct {
cxt context.Context // context for creating sub context
cancel context.CancelFunc // for cancel sub goroutine
}
// NewTaskGroupWatch create default taskgroup watch
func NewTaskGroupWatch(cxt context.Context, informer bkbcsv2.TaskGroupInformer,
reporter cluster.Reporter) *TaskGroupWatch {
return &TaskGroupWatch{
cancelCxt: cxt,
report: reporter,
informer: informer,
}
}
// TaskGroupWatch watch for taskGroup
type TaskGroupWatch struct {
eventLock sync.Mutex // lock for event
cancelCxt context.Context // context for cancel
report cluster.Reporter // reporter to cluster
informer bkbcsv2.TaskGroupInformer
}
// Work main work init for taskgroup
func (task *TaskGroupWatch) Work() {
blog.Infof("TaskGroupWatch start work")
task.syncAlltaskgroups()
blog.Infof("TaskGroupWatch syncAlltaskgroups done")
task.informer.Informer().AddEventHandler(
cache.ResourceEventHandlerFuncs{
AddFunc: task.addNodeToCache,
UpdateFunc: task.updateNodeInCache,
DeleteFunc: task.deleteNodeFromCache,
},
)
}
func (task *TaskGroupWatch) addNodeToCache(obj interface{}) {
taskgroup, ok := obj.(*v2.TaskGroup)
if !ok {
blog.Errorf("cannot convert to *v2.taskgroup: %v", obj)
return
}
task.AddEvent(&taskgroup.Spec.TaskGroup)
}
func (task *TaskGroupWatch) updateNodeInCache(oldObj, newObj interface{}) {
oldtask, ok := oldObj.(*v2.TaskGroup)
if !ok {
blog.Errorf("cannot convert oldObj to *v2.taskgroup: %v", oldObj)
return
}
newtask, ok := newObj.(*v2.TaskGroup)
if !ok {
blog.Errorf("cannot convert newObj to *v2.taskgroup: %v", newObj)
return
}
task.UpdateEvent(&oldtask.Spec.TaskGroup, &newtask.Spec.TaskGroup, false)
}
func (task *TaskGroupWatch) deleteNodeFromCache(obj interface{}) {
taskgroup, ok := obj.(*v2.TaskGroup)
if !ok {
blog.Errorf("cannot convert to *v2.taskgroup: %v", obj)
return
}
task.DeleteEvent(&taskgroup.Spec.TaskGroup)
}
func (task *TaskGroupWatch) syncAlltaskgroups() {
v2tasks, err := task.informer.Lister().List(labels.Everything())
if err != nil {
blog.Errorf("TaskGroupWatch syncAlltaskgroups error %s", err.Error())
os.Exit(1)
}
for _, obj := range v2tasks {
task.AddEvent(&obj.Spec.TaskGroup)
}
}
// AddEvent call when data added
func (task *TaskGroupWatch) AddEvent(obj interface{}) {
taskData, ok := obj.(*schedulertypes.TaskGroup)
if !ok {
blog.Error("can not convert object to taskgroup in AddEvent, object %v", obj)
return
}
blog.Info("EVENT:: Add Event for Taskgroup %s", taskData.ID)
data := &types.BcsSyncData{
// DataType: "TaskGroup",
DataType: task.GetTaskGroupChannelV2(taskData),
Action: types.ActionAdd,
Item: obj,
}
if err := task.report.ReportData(data); err != nil {
util.ReportSyncTotal(task.report.GetClusterID(), cluster.DataTypeTaskGroup, types.ActionAdd, cluster.SyncFailure)
} else {
util.ReportSyncTotal(task.report.GetClusterID(), cluster.DataTypeTaskGroup, types.ActionAdd, cluster.SyncSuccess)
}
}
// DeleteEvent when delete
func (task *TaskGroupWatch) DeleteEvent(obj interface{}) {
taskData, ok := obj.(*schedulertypes.TaskGroup)
if !ok {
blog.Error("can not convert object to TaskGroup in DeleteEvent, object %v", obj)
return
}
blog.Info("EVENT:: Delete Event for TaskGroup %s", taskData.ID)
// report to cluster
data := &types.BcsSyncData{
// DataType: "TaskGroup",
DataType: task.GetTaskGroupChannelV2(taskData),
Action: types.ActionDelete,
Item: obj,
}
if err := task.report.ReportData(data); err != nil {
util.ReportSyncTotal(task.report.GetClusterID(), cluster.DataTypeTaskGroup, types.ActionDelete, cluster.SyncFailure)
} else {
util.ReportSyncTotal(task.report.GetClusterID(), cluster.DataTypeTaskGroup, types.ActionDelete, cluster.SyncSuccess)
}
}
// UpdateEvent when update
func (task *TaskGroupWatch) UpdateEvent(old, cur interface{}, force bool) {
taskData, ok := cur.(*schedulertypes.TaskGroup)
if !ok {
blog.Error("can not convert object to TaskGroup in UpdateEvent, object %v", cur)
return
}
/*if !force && reflect.DeepEqual(old, cur) {
blog.V(3).Infof("TaskGroup %s data do not changed", taskData.ID)
return
}*/
blog.V(3).Infof("EVENT:: Update Event for TaskGroup %s", taskData.ID)
// report to cluster
data := &types.BcsSyncData{
// DataType: "TaskGroup",
DataType: task.GetTaskGroupChannelV2(taskData),
Action: types.ActionUpdate,
Item: cur,
}
if err := task.report.ReportData(data); err != nil {
util.ReportSyncTotal(task.report.GetClusterID(), cluster.DataTypeTaskGroup, types.ActionUpdate, cluster.SyncFailure)
} else {
util.ReportSyncTotal(task.report.GetClusterID(), cluster.DataTypeTaskGroup, types.ActionUpdate, cluster.SyncSuccess)
}
}
// GetTaskGroupChannel get taskgroup dispatch channel
func (task *TaskGroupWatch) GetTaskGroupChannel(taskGroup *schedulertypes.TaskGroup) string {
return "TaskGroup_" + strconv.Itoa(int(taskGroup.InstanceID%100))
}
// GetTaskGroupChannelV2 get taskgroup dispatch channel
func (task *TaskGroupWatch) GetTaskGroupChannelV2(taskGroup *schedulertypes.TaskGroup) string {
index := util.GetHashId(taskGroup.ID, TaskgroupThreadNum)
return types.TaskgroupChannelPrefix + strconv.Itoa(index)
}