/
cluster.go
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/
cluster.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 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 etcd
import (
"fmt"
"math/rand"
"strconv"
"time"
"golang.org/x/net/context"
"k8s.io/client-go/tools/clientcmd"
"github.com/Tencent/bk-bcs/bcs-common/common/blog"
commtypes "github.com/Tencent/bk-bcs/bcs-common/common/types"
schedtypes "github.com/Tencent/bk-bcs/bcs-common/pkg/scheduler/schetypes"
internalclientset "github.com/Tencent/bk-bcs/bcs-mesos/kubebkbcsv2/client/clientset/versioned"
informers "github.com/Tencent/bk-bcs/bcs-mesos/kubebkbcsv2/client/informers/externalversions"
"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/service"
"github.com/Tencent/bk-bcs/bcs-runtime/bcs-mesos/bcs-mesos-watch/storage"
"github.com/Tencent/bk-bcs/bcs-runtime/bcs-mesos/bcs-mesos-watch/types"
)
var (
// SyncDefaultTimeOut default timeout
SyncDefaultTimeOut = time.Second * 1
)
var (
//ApplicationThreadNum goroutine number for Application channel
ApplicationThreadNum int
//TaskgroupThreadNum goroutine number for taskgroup channel
TaskgroupThreadNum int
//ExportserviceThreadNum goroutine number for exportservice channel
ExportserviceThreadNum int
//DeploymentThreadNum goroutine number for deployment channel
DeploymentThreadNum int
)
//NewEtcdCluster create mesos cluster
func NewEtcdCluster(cfg *types.CmdConfig, st storage.Storage, netservice *service.InnerService) cluster.Cluster {
blog.Info("etcd cluster(%s) will be created ...", cfg.ClusterID)
ApplicationThreadNum = cfg.ApplicationThreadNum
TaskgroupThreadNum = cfg.TaskgroupThreadNum
ExportserviceThreadNum = cfg.ExportserviceThreadNum
DeploymentThreadNum = cfg.DeploymentThreadNum
mesos := &EtcdCluster{
kubeconfig: cfg.KubeConfig,
clusterID: cfg.ClusterID,
storage: st,
netservice: netservice,
reportCallback: make(map[string]cluster.ReportFunc),
existCallback: make(map[string]cluster.DataExister),
}
//mesos watch initialize
if err := mesos.initialize(); err != nil {
blog.Error("etcd cluster initialize failed, %s", err.Error())
return nil
}
return mesos
}
//EtcdCluster cluster implements all cluster interface
type EtcdCluster struct {
kubeconfig string
factory informers.SharedInformerFactory
clusterID string //watch cluster id
connCxt context.Context //context for client disconnected
cancel context.CancelFunc //cancel func when client disconnected
reportCallback map[string]cluster.ReportFunc //report map for handling registery data type
existCallback map[string]cluster.DataExister //check data exist in local cache
storage storage.Storage //storage interface for remote Storage, like CC
netservice *service.InnerService
app *AppWatch //watch for application
taskGroup *TaskGroupWatch //watch for taskgroup
exportSvr *ExportServiceWatch //watch for exportservice
Status string //curr status
configmap *ConfigMapWatch
secret *SecretWatch
service *ServiceWatch
deployment *DeploymentWatch
endpoint *EndpointWatch
netServiceWatcher *NetServiceWatcher
stopCh chan struct{}
}
// GenerateRandnum just for test
func GenerateRandnum() int {
rand.Seed(time.Now().Unix())
rnd := rand.Intn(100)
return rnd
}
func (ms *EtcdCluster) registerReportHandler() error {
blog.Info("mesos cluster register report handler...")
ms.reportCallback["Application"] = ms.reportApplication
for i := 0; i == 0 || i < ApplicationThreadNum; i++ {
applicationChannel := types.ApplicationChannelPrefix + strconv.Itoa(i)
ms.reportCallback[applicationChannel] = ms.reportApplication
}
ms.reportCallback["TaskGroup"] = ms.reportTaskGroup
for i := 0; i == 0 || i < TaskgroupThreadNum; i++ {
taskGroupChannel := types.TaskgroupChannelPrefix + strconv.Itoa(i)
ms.reportCallback[taskGroupChannel] = ms.reportTaskGroup
}
ms.reportCallback["ExportService"] = ms.reportExportService
for i := 0; i == 0 || i < ExportserviceThreadNum; i++ {
exportserviceChannel := types.ExportserviceChannelPrefix + strconv.Itoa(i)
ms.reportCallback[exportserviceChannel] = ms.reportExportService
}
ms.reportCallback["ConfigMap"] = ms.reportConfigMap
ms.reportCallback["Service"] = ms.reportService
ms.reportCallback["Secret"] = ms.reportSecret
ms.reportCallback["Deployment"] = ms.reportDeployment
for i := 0; i == 0 || i < DeploymentThreadNum; i++ {
deploymentChannel := types.DeploymentChannelPrefix + strconv.Itoa(i)
ms.reportCallback[deploymentChannel] = ms.reportDeployment
}
ms.reportCallback["Endpoint"] = ms.reportEndpoint
// report ip pool static resource data callback.
ms.reportCallback["IPPoolStatic"] = ms.reportIPPoolStatic
// report ip pool static resource detail data callback.
ms.reportCallback["IPPoolStaticDetail"] = ms.reportIPPoolStaticDetail
return nil
}
func (ms *EtcdCluster) createDatTypeWatch() error {
blog.Info("mesos cluster create exportservice watcher...")
epSvrCxt, _ := context.WithCancel(ms.connCxt)
ms.exportSvr = NewExportServiceWatch(epSvrCxt, ms.factory, ms, ms.clusterID)
blog.Info("mesos cluster create taskgroup watcher...")
taskCxt, _ := context.WithCancel(ms.connCxt)
ms.taskGroup = NewTaskGroupWatch(taskCxt, ms.factory.Bkbcs().V2().TaskGroups(), ms)
go ms.taskGroup.Work()
blog.Info("mesos cluster create app watcher...")
appCxt, _ := context.WithCancel(ms.connCxt)
ms.app = NewAppWatch(appCxt, ms.factory.Bkbcs().V2().Applications(), ms)
go ms.app.Work()
configmapCxt, _ := context.WithCancel(ms.connCxt)
ms.configmap = NewConfigMapWatch(configmapCxt, ms.factory.Bkbcs().V2().BcsConfigMaps(), ms)
go ms.configmap.Work()
secretCxt, _ := context.WithCancel(ms.connCxt)
ms.secret = NewSecretWatch(secretCxt, ms.factory.Bkbcs().V2().BcsSecrets(), ms)
go ms.secret.Work()
serviceCxt, _ := context.WithCancel(ms.connCxt)
ms.service = NewServiceWatch(serviceCxt, ms.factory.Bkbcs().V2().BcsServices(), ms)
go ms.service.Work()
deploymentCxt, _ := context.WithCancel(ms.connCxt)
ms.deployment = NewDeploymentWatch(deploymentCxt, ms.factory.Bkbcs().V2().Deployments(), ms)
go ms.deployment.Work()
endpointCxt, _ := context.WithCancel(ms.connCxt)
ms.endpoint = NewEndpointWatch(endpointCxt, ms.factory.Bkbcs().V2().BcsEndpoints(), ms)
go ms.endpoint.Work()
ms.netServiceWatcher = NewNetServiceWatcher(ms.clusterID, ms, ms.netservice)
go ms.netServiceWatcher.Run(ms.stopCh)
return nil
}
func (ms *EtcdCluster) initialize() error {
blog.Info("EtcdCluster(%s) initialize ...", ms.clusterID)
restConfig, err := clientcmd.BuildConfigFromFlags("", ms.kubeconfig)
if err != nil {
blog.Errorf("EtcdCluster build kubeconfig %s error %s", ms.kubeconfig, err.Error())
return err
}
blog.Infof("EtcdCluster build kubeconfig %s success", ms.kubeconfig)
bkbcsClientset, err := internalclientset.NewForConfig(restConfig)
if err != nil {
blog.Errorf("EtcdCluster build clientset error %s", err.Error())
return err
}
ms.stopCh = make(chan struct{})
factory := informers.NewSharedInformerFactory(bkbcsClientset, time.Minute*5)
ms.factory = factory
//init factory informers
ms.factory.Bkbcs().V2().BcsConfigMaps().Informer()
ms.factory.Bkbcs().V2().Applications().Informer()
ms.factory.Bkbcs().V2().Deployments().Informer()
ms.factory.Bkbcs().V2().BcsSecrets().Informer()
ms.factory.Bkbcs().V2().BcsServices().Informer()
ms.factory.Bkbcs().V2().TaskGroups().Informer()
ms.factory.Bkbcs().V2().BcsEndpoints().Informer()
blog.Infof("EtcdCluster SharedInformerFactory start...")
ms.factory.Start(ms.stopCh)
// Wait for all caches to sync.
ms.factory.WaitForCacheSync(ms.stopCh)
blog.Infof("EtcdCluster SharedInformerFactory sync data to cache done")
//register ReporterHandler
if err := ms.registerReportHandler(); err != nil {
blog.Error("Mesos cluster register report handler err:%s", err.Error())
return err
}
ms.connCxt, ms.cancel = context.WithCancel(context.Background())
//create datatype watch
if err := ms.createDatTypeWatch(); err != nil {
blog.Error("Mesos cluster create wathers err:%s", err.Error())
return err
}
ms.Status = "running"
return nil
}
//ReportData report data to reportHandler, handle all data independently
func (ms *EtcdCluster) ReportData(data *types.BcsSyncData) error {
callBack, ok := ms.reportCallback[data.DataType]
if !ok {
blog.Error("ReportHandler for %s do not register", data.DataType)
return fmt.Errorf("ReportHandler for %s do not register", data.DataType)
}
return callBack(data)
}
func (ms *EtcdCluster) reportService(data *types.BcsSyncData) error {
dataType := data.Item.(*commtypes.BcsService)
blog.V(3).Infof("mesos cluster report service(%s.%s) for action(%s)",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action)
ms.exportSvr.postData(data)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("service(%s.%s) sync(%s) dispatch failed: %+v",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action, err)
return err
}
return nil
}
func (ms *EtcdCluster) reportConfigMap(data *types.BcsSyncData) error {
dataType := data.Item.(*commtypes.BcsConfigMap)
blog.V(3).Infof("mesos cluster report configmap(%s.%s) for action(%s)",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("configmap(%s.%s) sync(%s) dispatch failed: %+v",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action, err)
return err
}
return nil
}
func (ms *EtcdCluster) reportDeployment(data *types.BcsSyncData) error {
dataType := data.Item.(*schedtypes.Deployment)
blog.V(3).Infof("mesos cluster report deployment(%s.%s) for action(%s)",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("deployment(%s.%s) sync(%s) dispatch failed: %+v",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action, err)
return err
}
return nil
}
func (ms *EtcdCluster) reportSecret(data *types.BcsSyncData) error {
dataType := data.Item.(*commtypes.BcsSecret)
blog.V(3).Infof("mesos cluster report secret(%s.%s) for action(%s)",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("secret(%s.%s) sync(%s) dispatch failed: %+v",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action, err)
return err
}
return nil
}
func (ms *EtcdCluster) reportEndpoint(data *types.BcsSyncData) error {
dataType := data.Item.(*commtypes.BcsEndpoint)
blog.V(3).Infof("mesos cluster report endpoint(%s.%s) for action(%s)",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("endpoint(%s.%s) sync(%s) dispatch failed: %+v",
dataType.ObjectMeta.NameSpace, dataType.ObjectMeta.Name, data.Action, err)
return err
}
return nil
}
func (ms *EtcdCluster) reportIPPoolStatic(data *types.BcsSyncData) error {
blog.V(3).Infof("etcd cluster report netservice ip pool static resource[%+v]", data.Item)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Errorf("etcd cluster report netservice ip pool static resource failed, %+v", err)
return err
}
return nil
}
func (ms *EtcdCluster) reportIPPoolStaticDetail(data *types.BcsSyncData) error {
blog.V(3).Infof("etcd cluster report netservice ip pool static resource detail[%+v]", data.Item)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Errorf("etcd cluster report netservice ip pool static resource detail failed, %+v", err)
return err
}
return nil
}
//reportTaskGroup
func (ms *EtcdCluster) reportTaskGroup(data *types.BcsSyncData) error {
taskgroup := data.Item.(*schedtypes.TaskGroup)
blog.V(3).Infof("mesos cluster report taskgroup(%s) for action(%s)", taskgroup.ID, data.Action)
//post to ExportService first
ms.exportSvr.postData(data)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("TaskGroup sync dispatch failed: %+v", err)
return err
}
return nil
}
//reportApplication
func (ms *EtcdCluster) reportApplication(data *types.BcsSyncData) error {
app := data.Item.(*schedtypes.Application)
blog.V(3).Infof("mesos cluster report app(%s %s) for action(%s)", app.RunAs, app.ID, data.Action)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("Application sync dispatch failed: %+v", err)
return err
}
return nil
}
//reportExportService
func (ms *EtcdCluster) reportExportService(data *types.BcsSyncData) error {
blog.V(3).Infof("mesos cluster report service for action(%s)", data.Action)
if err := ms.storage.SyncTimeout(data, SyncDefaultTimeOut); err != nil {
blog.Error("ExportService sync dispatch failed: %+v", err)
return err
}
return nil
}
//Run running cluster watch
func (ms *EtcdCluster) Run(cxt context.Context) {
blog.Info("etcd cluster run ...")
}
//Sync ask cluster to sync data to local cache
func (ms *EtcdCluster) Sync(tp string) error {
blog.Info("etcd cluster sync ...")
return nil
}
//Stop ask cluster stopped
func (ms *EtcdCluster) Stop() {
blog.Info("etcd cluster stop ...")
blog.Info("EtcdCluster stop exportsvr watcher...")
ms.exportSvr.stop()
if ms.cancel != nil {
ms.cancel()
}
close(ms.stopCh)
time.Sleep(2 * time.Second)
}
//GetClusterStatus get synchronization status
func (ms *EtcdCluster) GetClusterStatus() string {
return ms.Status
}
// GetClusterID get clusterID
func (ms *EtcdCluster) GetClusterID() string {
return ms.clusterID
}