-
Notifications
You must be signed in to change notification settings - Fork 248
/
mesos.go
520 lines (431 loc) · 17 KB
/
mesos.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
/*
* 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 mesos
import (
"fmt"
"math/rand"
"strconv"
"strings"
"time"
"github.com/samuel/go-zookeeper/zk"
"golang.org/x/net/context"
"github.com/Tencent/bk-bcs/bcs-common/common/blog"
commtypes "github.com/Tencent/bk-bcs/bcs-common/common/types"
"github.com/Tencent/bk-bcs/bcs-common/common/zkclient"
schedtypes "github.com/Tencent/bk-bcs/bcs-common/pkg/scheduler/schetypes"
"github.com/Tencent/bk-bcs/bcs-mesos/bcs-mesos-watch/cluster"
clusteretcd "github.com/Tencent/bk-bcs/bcs-mesos/bcs-mesos-watch/cluster/etcd"
"github.com/Tencent/bk-bcs/bcs-mesos/bcs-mesos-watch/service"
"github.com/Tencent/bk-bcs/bcs-mesos/bcs-mesos-watch/storage"
"github.com/Tencent/bk-bcs/bcs-mesos/bcs-mesos-watch/types"
)
//ZkClient interface to define zk operation
//interface is only use for dependency injection
type ZkClient interface {
ConnectEx(sessionTimeOut time.Duration) error
GetEx(path string) ([]byte, *zk.Stat, error)
GetW(path string) ([]byte, *zk.Stat, <-chan zk.Event, error)
GetChildrenEx(path string) ([]string, *zk.Stat, error)
ChildrenW(path string) ([]string, *zk.Stat, <-chan zk.Event, error)
ExistEx(path string) (bool, *zk.Stat, error)
State() zk.State
Close()
}
//WatchInterface define interface for watch
type WatchInterface interface {
cluster.DataExister
cluster.EventHandler
addWatch(path string) error //post path for watch
cleanWatch(path string) error //post path to clean path
setClient(client ZkClient) //setting new client
postData(data *types.BcsSyncData) //post single data manually/fix error data
sync() //force sync all data
stop() //stop all watch, reset all data
}
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 int
)
//NewMesosCluster create mesos cluster
func NewMesosCluster(cfg *types.CmdConfig, st storage.Storage, netservice *service.InnerService) cluster.Cluster {
blog.Info("mesos cluster(%s) will be created ...", cfg.ClusterID)
ApplicationThreadNum = cfg.ApplicationThreadNum
TaskgroupThreadNum = cfg.TaskgroupThreadNum
ExportserviceThreadNum = cfg.ExportserviceThreadNum
DeploymentThreadNum = cfg.DeploymentThreadNum
linkItems := strings.Split(cfg.ClusterInfo, "/")
mesos := &MesosCluster{
zkLinks: linkItems[0],
watchPath: "/" + strings.Join(linkItems[1:], "/"),
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("mesos cluster initialize failed, %s", err.Error())
return nil
}
return mesos
}
//MesosCluster cluster implements all cluster interface
type MesosCluster struct {
zkLinks string //zk connection link, like 127.0.0.1:2181,127.0.0.2:2181
watchPath string //zk watching path, like /blueking
clusterID string //watch cluster id
client ZkClient //client for zookeeper
retry bool //flag for reconnect zookeeper
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 *clusteretcd.NetServiceWatcher
stopCh chan struct{}
}
//createZkConn create zookeeper connection with cluster
func (ms *MesosCluster) createZkConn() error {
blog.Info("mesos cluster create ZK connection ...")
servers := strings.Split(ms.zkLinks, ",")
ms.client = zkclient.NewZkClient(servers)
conErr := ms.client.ConnectEx(time.Second * 5)
if conErr != nil {
blog.Error("cluster connect zookeeper failed: %s", conErr.Error())
return conErr
}
blog.Info("mesos cluster link zookeeper %s success! base watch path: %s ", ms.zkLinks, ms.watchPath)
return nil
}
// GenerateRandnum just for test
func GenerateRandnum() int {
rand.Seed(time.Now().Unix())
rnd := rand.Intn(100)
return rnd
}
//zkConnMonitor monitor zookeeper connection state
func (ms *MesosCluster) zkConnMonitor() {
state := ms.client.State()
if state == zk.StateConnected {
//connection ok
blog.V(3).Infof("############ZK Connection status is connected#####")
return
}
if state == zk.StateHasSession {
blog.V(3).Infof("############ZK Connection status is hassession#####")
return
}
blog.V(3).Infof("zookeeper connection under %s", state.String())
ms.Status = "zkfail"
}
func (ms *MesosCluster) 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 *MesosCluster) registerExistHandler() error {
blog.Info("mesos cluster register exist handler...")
return nil
}
func (ms *MesosCluster) createDatTypeWatch() error {
blog.Info("mesos cluster create exportservice watcher...")
epSvrCxt, _ := context.WithCancel(ms.connCxt)
ms.exportSvr = NewExportServiceWatch(epSvrCxt, ms.client, ms, ms.clusterID, ms.watchPath)
blog.Info("mesos cluster create taskgroup watcher...")
taskCxt, _ := context.WithCancel(ms.connCxt)
ms.taskGroup = NewTaskGroupWatch(taskCxt, ms.client, ms)
blog.Info("mesos cluster create app watcher...")
appCxt, _ := context.WithCancel(ms.connCxt)
ms.app = NewAppWatch(appCxt, ms.client, ms)
ms.ProcessAppPathes()
configmapCxt, _ := context.WithCancel(ms.connCxt)
ms.configmap = NewConfigMapWatch(configmapCxt, ms.client, ms, ms.watchPath)
go ms.configmap.Work()
secretCxt, _ := context.WithCancel(ms.connCxt)
ms.secret = NewSecretWatch(secretCxt, ms.client, ms, ms.watchPath)
go ms.secret.Work()
serviceCxt, _ := context.WithCancel(ms.connCxt)
ms.service = NewServiceWatch(serviceCxt, ms.client, ms, ms.watchPath)
go ms.service.Work()
deploymentCxt, _ := context.WithCancel(ms.connCxt)
ms.deployment = NewDeploymentWatch(deploymentCxt, ms.client, ms, ms.watchPath)
go ms.deployment.Work()
endpointCxt, _ := context.WithCancel(ms.connCxt)
ms.endpoint = NewEndpointWatch(endpointCxt, ms.client, ms, ms.watchPath)
go ms.endpoint.Work()
ms.netServiceWatcher = clusteretcd.NewNetServiceWatcher(ms.clusterID, ms, ms.netservice)
go ms.netServiceWatcher.Run(ms.stopCh)
return nil
}
//ProcessAppPathes handle all Application datas
func (ms *MesosCluster) ProcessAppPathes() error {
appPath := ms.watchPath + "/application"
blog.V(3).Infof("Mesos cluster process path(%s)", appPath)
nmList, _, err := ms.client.GetChildrenEx(appPath)
if err != nil {
blog.Error("get path(%s) children err: %s", appPath, err.Error())
return err
}
if len(nmList) == 0 {
blog.V(3).Infof("get empty namespace list under path(%s)", appPath)
return nil
}
for _, nmNode := range nmList {
blog.V(3).Infof("get node(%s) under path(%s)", nmNode, appPath)
nmPath := appPath + "/" + nmNode
ms.app.addWatch(nmPath)
}
return nil
}
func (ms *MesosCluster) initialize() error {
blog.Info("mesos cluster(%s) initialize ...", ms.clusterID)
//register ReporterHandler
if err := ms.registerReportHandler(); err != nil {
blog.Error("Mesos cluster register report handler err:%s", err.Error())
return err
}
//register ExistHandler
if err := ms.registerExistHandler(); err != nil {
blog.Error("Mesos cluster register exist handler err:%s", err.Error())
return err
}
//create connection to zookeeper
if err := ms.createZkConn(); err != nil {
blog.Error("Mesos cluster create ZK err:%s", err.Error())
return err
}
ms.connCxt, ms.cancel = context.WithCancel(context.Background())
ms.stopCh = make(chan struct{})
//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 *MesosCluster) 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 *MesosCluster) 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.Sync(data); 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 *MesosCluster) 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.Sync(data); 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 *MesosCluster) 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.Sync(data); 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 *MesosCluster) 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.Sync(data); 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 *MesosCluster) 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.Sync(data); 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 *MesosCluster) reportIPPoolStatic(data *types.BcsSyncData) error {
blog.V(3).Infof("mesos cluster report netservice ip pool static resource[%+v]", data.Item)
if err := ms.storage.Sync(data); err != nil {
blog.Errorf("mesos cluster report netservice ip pool static resource failed, %+v", err)
return err
}
return nil
}
func (ms *MesosCluster) reportIPPoolStaticDetail(data *types.BcsSyncData) error {
blog.V(3).Infof("mesos cluster report netservice ip pool static resource detail[%+v]", data.Item)
if err := ms.storage.Sync(data); err != nil {
blog.Errorf("mesos cluster report netservice ip pool static resource detail failed, %+v", err)
return err
}
return nil
}
//reportTaskGroup
func (ms *MesosCluster) 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.Sync(data); err != nil {
blog.Error("TaskGroup sync dispatch failed: %+v", err)
return err
}
return nil
}
//reportApplication
func (ms *MesosCluster) 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)
path := ms.watchPath + "/application/" + app.RunAs + "/" + app.ID
//check acton for Add & Delete
if data.Action == types.ActionAdd {
blog.Info("app(%s.%s) added, so add taskgroup pathwatch(%s)", app.RunAs, app.ID, path)
ms.taskGroup.addWatch(path)
} else if data.Action == types.ActionDelete {
blog.Info("app(%s.%s) deleted, so clean taskgroup pathwatch(%s)", app.RunAs, app.ID, path)
ms.taskGroup.cleanWatch(path)
} else if data.Action == types.ActionUpdate {
blog.V(3).Infof("app(%s.%s) updated, try to add taskgroup pathwatch(%s)", app.RunAs, app.ID, path)
ms.taskGroup.addWatch(path)
}
if err := ms.storage.Sync(data); err != nil {
blog.Error("Application sync dispatch failed: %+v", err)
return err
}
return nil
}
//reportExportService
func (ms *MesosCluster) reportExportService(data *types.BcsSyncData) error {
blog.V(3).Infof("mesos cluster report service for action(%s)", data.Action)
if err := ms.storage.Sync(data); err != nil {
blog.Error("ExportService sync dispatch failed: %+v", err)
return err
}
return nil
}
//Run running cluster watch
func (ms *MesosCluster) Run(cxt context.Context) {
blog.Info("mesos cluster run ...")
//ready to start zk connection monitor
tick := time.NewTicker(5 * time.Second)
defer tick.Stop()
for {
select {
case <-cxt.Done():
blog.Info("MesosCluster asked to exit...")
return
case <-tick.C:
blog.V(3).Infof("tick: mesos cluster is alive ...")
if ms.client != nil {
ms.zkConnMonitor()
ms.ProcessAppPathes()
}
}
}
}
//Sync ask cluster to sync data to local cache
func (ms *MesosCluster) Sync(tp string) error {
blog.Info("mesos cluster sync ...")
return nil
}
//Stop ask cluster stopped
func (ms *MesosCluster) Stop() {
blog.Info("mesos cluster stop ...")
blog.Info("MesosCluster stop app watcher...")
ms.app.stop()
blog.Info("MesosCluster stop taskgroup watcher...")
ms.taskGroup.stop()
blog.Info("MesosCluster stop exportsvr watcher...")
ms.exportSvr.stop()
if ms.cancel != nil {
ms.cancel()
}
close(ms.stopCh)
time.Sleep(2 * time.Second)
if ms.client != nil {
ms.client.Close()
ms.client = nil
}
}
//GetClusterStatus get synchronization status
func (ms *MesosCluster) GetClusterStatus() string {
return ms.Status
}