-
Notifications
You must be signed in to change notification settings - Fork 241
/
telemetry.go
412 lines (359 loc) · 10.6 KB
/
telemetry.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
// Copyright 2018 Microsoft. All rights reserved.
// MIT License
package telemetry
import (
"encoding/json"
"encoding/xml"
"fmt"
"net"
"net/http"
"os"
"os/exec"
"reflect"
"strings"
"github.com/Azure/azure-container-networking/aitelemetry"
"github.com/Azure/azure-container-networking/common"
"github.com/Azure/azure-container-networking/log"
"github.com/Azure/azure-container-networking/platform"
)
const (
// NPMTelemetryFile Path.
NPMTelemetryFile = platform.NPMRuntimePath + "AzureNPMTelemetry.json"
// CNITelemetryFile Path.
CNITelemetryFile = platform.CNIRuntimePath + "AzureCNITelemetry.json"
// ContentType of JSON
ContentType = "application/json"
metadataURL = "http://169.254.169.254/metadata/instance?api-version=2017-08-01&format=json"
)
// OS Details structure.
type OSInfo struct {
OSType string
OSVersion string
KernelVersion string
OSDistribution string
ErrorMessage string
}
// System Details structure.
type SystemInfo struct {
MemVMTotal uint64
MemVMFree uint64
MemUsedByProcess uint64
DiskVMTotal uint64
DiskVMFree uint64
CPUCount int
ErrorMessage string
}
// Interface Details structure.
type InterfaceInfo struct {
InterfaceType string
Subnet string
PrimaryCA string
MAC string
Name string
SecondaryCATotalCount int
SecondaryCAUsedCount int
ErrorMessage string
}
// CNI Bridge Details structure.
type BridgeInfo struct {
NetworkMode string
BridgeName string
ErrorMessage string
}
// Orchestrator Details structure.
type OrchestratorInfo struct {
OrchestratorName string
OrchestratorVersion string
ErrorMessage string
}
// Azure CNI Telemetry Report structure.
type CNIReport struct {
IsNewInstance bool
CniSucceeded bool
Name string
Version string
ErrorMessage string
EventMessage string
OperationType string
OperationDuration int
Context string
SubContext string
VMUptime string
Timestamp string
ContainerName string
InfraVnetID string
VnetAddressSpace []string
OrchestratorDetails OrchestratorInfo
OSDetails OSInfo
SystemDetails SystemInfo
InterfaceDetails InterfaceInfo
BridgeDetails BridgeInfo
Metadata common.Metadata `json:"compute"`
}
type AIMetric struct {
Metric aitelemetry.Metric
}
// Azure CNS Telemetry Report structure.
type CNSReport struct {
IsNewInstance bool
CPUUsage string
MemoryUsage string
Processes string
EventMessage string
DncPartitionKey string
Timestamp string
UUID string
Errorcode string
Metadata common.Metadata `json:"compute"`
}
// ClusterState contains the current kubernetes cluster state.
type ClusterState struct {
PodCount int
NsCount int
NwPolicyCount int
}
// NPMReport structure.
type NPMReport struct {
IsNewInstance bool
ClusterID string
NodeName string
InstanceName string
NpmVersion string
KubernetesVersion string
ErrorMessage string
EventMessage string
UpTime string
Timestamp string
ClusterState ClusterState
Metadata common.Metadata `json:"compute"`
}
// DNCReport structure.
type DNCReport struct {
IsNewInstance bool
CPUUsage string
MemoryUsage string
Processes string
EventMessage string
PartitionKey string
Allocations string
Timestamp string
NumberOfNodes int
NumberOfNCs int
Orchestrator string
ContainerType string
Errorcode string
Metadata common.Metadata `json:"compute"`
}
// ReportManager structure.
type ReportManager struct {
HostNetAgentURL string
ContentType string
Report interface{}
}
// GetReport retrieves orchestrator, system, OS and Interface details and create a report structure.
func (report *CNIReport) GetReport(name string, version string, ipamQueryURL string) {
report.Name = name
report.Version = version
report.GetSystemDetails()
report.GetOSDetails()
}
// GetReport retrives npm and kubernetes cluster related info and create a report structure.
func (report *NPMReport) GetReport(clusterID, nodeName, npmVersion, kubernetesVersion string, clusterState ClusterState) {
report.ClusterID = clusterID
report.NodeName = nodeName
report.NpmVersion = npmVersion
report.KubernetesVersion = kubernetesVersion
report.ClusterState = clusterState
}
// SendReport will send telemetry report to HostNetAgent.
func (reportMgr *ReportManager) SendReport(tb *TelemetryBuffer) error {
var err error
var report []byte
if tb != nil && tb.Connected {
report, err = reportMgr.ReportToBytes()
if err == nil {
// If write fails, try to re-establish connections as server/client
if _, err = tb.Write(report); err != nil {
tb.Cancel()
}
}
}
return err
}
// SetReportState will save the state in file if telemetry report sent successfully.
func (reportMgr *ReportManager) SetReportState(telemetryFile string) error {
var reportBytes []byte
var err error
reportBytes, err = json.Marshal(reportMgr.Report)
if err != nil {
return fmt.Errorf("[Telemetry] report write failed with err %+v", err)
}
// try to open telemetry file
f, err := os.OpenFile(telemetryFile, os.O_RDWR|os.O_CREATE, 0666)
if err != nil {
return fmt.Errorf("[Telemetry] Error opening telemetry file %v", err)
}
defer f.Close()
_, err = f.Write(reportBytes)
if err != nil {
fmt.Printf("[Telemetry] Error while writing to file %v", err)
return fmt.Errorf("[Telemetry] Error while writing to file %v", err)
}
// set IsNewInstance in report
reflect.ValueOf(reportMgr.Report).Elem().FieldByName("IsNewInstance").SetBool(false)
return nil
}
// GetReportState will check if report is sent at least once by checking telemetry file.
func (reportMgr *ReportManager) GetReportState(telemetryFile string) bool {
// try to set IsNewInstance in report
if _, err := os.Stat(telemetryFile); os.IsNotExist(err) {
fmt.Printf("[Telemetry] File not exist %v", telemetryFile)
reflect.ValueOf(reportMgr.Report).Elem().FieldByName("IsNewInstance").SetBool(true)
return false
}
return true
}
// GetInterfaceDetails creates a report with interface details(ip, mac, name, secondaryca count).
func (report *CNIReport) GetInterfaceDetails(queryUrl string) {
var (
macAddress string
secondaryCACount int
primaryCA string
subnet string
ifName string
)
if queryUrl == "" {
report.InterfaceDetails.ErrorMessage = "IpamQueryUrl is null"
return
}
interfaces, err := net.Interfaces()
if err != nil {
report.InterfaceDetails.ErrorMessage = "Getting all interfaces failed due to " + err.Error()
return
}
resp, err := http.Get(queryUrl)
if err != nil {
report.InterfaceDetails.ErrorMessage = "Http get failed in getting interface details " + err.Error()
return
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
errMsg := fmt.Sprintf("Error while getting interface details. http code :%d", resp.StatusCode)
report.InterfaceDetails.ErrorMessage = errMsg
log.Logf(errMsg)
return
}
// Decode XML document.
var doc common.XmlDocument
decoder := xml.NewDecoder(resp.Body)
err = decoder.Decode(&doc)
if err != nil {
report.InterfaceDetails.ErrorMessage = "xml decode failed due to " + err.Error()
return
}
// For each interface...
for _, i := range doc.Interface {
i.MacAddress = strings.ToLower(i.MacAddress)
if i.IsPrimary {
// Find the interface with the matching MacAddress.
for _, iface := range interfaces {
macAddr := strings.Replace(iface.HardwareAddr.String(), ":", "", -1)
macAddr = strings.ToLower(macAddr)
if macAddr == i.MacAddress {
ifName = iface.Name
macAddress = iface.HardwareAddr.String()
}
}
for _, s := range i.IPSubnet {
for _, ip := range s.IPAddress {
if ip.IsPrimary {
primaryCA = ip.Address
subnet = s.Prefix
} else {
secondaryCACount++
}
}
}
break
}
}
report.InterfaceDetails = InterfaceInfo{
InterfaceType: "Primary",
MAC: macAddress,
Subnet: subnet,
Name: ifName,
PrimaryCA: primaryCA,
SecondaryCATotalCount: secondaryCACount,
}
}
// GetOrchestratorDetails creates a report with orchestrator details(name, version).
func (report *CNIReport) GetOrchestratorDetails() {
// to-do: GetOrchestratorDetails for all report types and for all k8s environments
// current implementation works for clusters created via acs-engine and on master nodes
report.OrchestratorDetails = OrchestratorInfo{}
// Check for orchestrator tag first
for _, tag := range strings.Split(report.Metadata.Tags, ";") {
if strings.Contains(tag, "orchestrator") {
details := strings.Split(tag, ":")
if len(details) != 2 {
report.OrchestratorDetails.ErrorMessage = "length of orchestrator tag is less than 2"
} else {
report.OrchestratorDetails.OrchestratorName = details[0]
report.OrchestratorDetails.OrchestratorVersion = details[1]
}
} else {
report.OrchestratorDetails.ErrorMessage = "Host metadata unavailable"
}
}
if report.OrchestratorDetails.ErrorMessage != "" {
out, err := exec.Command("kubectl", "version").Output()
if err != nil {
report.OrchestratorDetails.ErrorMessage = "kubectl command failed due to " + err.Error()
return
}
resultArray := strings.Split(strings.TrimLeft(string(out), " "), " ")
if len(resultArray) >= 2 {
report.OrchestratorDetails.OrchestratorName = resultArray[0]
report.OrchestratorDetails.OrchestratorVersion = resultArray[1]
} else {
report.OrchestratorDetails.ErrorMessage = "Length of array is less than 2"
}
}
}
// ReportToBytes - returns the report bytes
func (reportMgr *ReportManager) ReportToBytes() ([]byte, error) {
var err error
var report []byte
switch reportMgr.Report.(type) {
case *CNIReport:
case *NPMReport:
case *DNCReport:
case *CNSReport:
case *AIMetric:
default:
err = fmt.Errorf("[Telemetry] Invalid report type")
}
if err != nil {
return []byte{}, err
}
report, err = json.Marshal(reportMgr.Report)
return report, err
}
// This function for sending CNI metrics to telemetry service
func SendCNIMetric(cniMetric *AIMetric, tb *TelemetryBuffer) error {
var (
err error
report []byte
)
if tb != nil && tb.Connected {
reportMgr := &ReportManager{Report: cniMetric}
report, err = reportMgr.ReportToBytes()
if err == nil {
// If write fails, try to re-establish connections as server/client
if _, err = tb.Write(report); err != nil {
tb.Cancel()
}
}
}
return err
}