manager/cmd/manager_test.go

   1 /*
   2  *  Copyright (c) 2020 AT&T Intellectual Property.
   3  *  Copyright (c) 2020 Nokia.
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  * This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18  * platform project (RICP).
  19  */
  20
  21 package main
  22
  23 import (
  24         "bytes"
  25         "encoding/json"
  26         "fmt"
  27         "gerrit.o-ran-sc.org/r/ric-plt/alarm-go/alarm"
  28         "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
  29         "github.com/gorilla/mux"
  30         "github.com/prometheus/alertmanager/api/v2/models"
  31         "github.com/stretchr/testify/assert"
  32         "io"
  33         "io/ioutil"
  34         "net"
  35         "net/http"
  36         "net/http/httptest"
  37         "os"
  38         "os/exec"
  39         "strconv"
  40         "strings"
  41         "testing"
  42         "time"
  43 )
  44
  45 var alarmManager *AlarmManager
  46 var alarmer *alarm.RICAlarm
  47 var eventChan chan string
  48
  49 // Test cases
  50 func TestMain(M *testing.M) {
  51         alarmManager = NewAlarmManager("localhost:9093", 500, false)
  52         alarmManager.alertInterval = 20000
  53         go alarmManager.Run(false)
  54         time.Sleep(time.Duration(10) * time.Second)
  55
  56         // Wait until RMR is up-and-running
  57         for !xapp.Rmr.IsReady() {
  58                 time.Sleep(time.Duration(1) * time.Second)
  59         }
  60
  61         alarmer, _ = alarm.InitAlarm("my-pod", "my-app")
  62         alarmManager.alarmClient = alarmer
  63         time.Sleep(time.Duration(5) * time.Second)
  64         eventChan = make(chan string)
  65
  66         os.Exit(M.Run())
  67 }
  68
  69 func TestGetPreDefinedAlarmDefinitions(t *testing.T) {
  70         xapp.Logger.Info("TestGetPreDefinedAlarmDefinitions")
  71         var alarmDefinition alarm.AlarmDefinition
  72         req, _ := http.NewRequest("GET", "/ric/v1/alarms/define", nil)
  73         vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
  74         req = mux.SetURLVars(req, vars)
  75         handleFunc := http.HandlerFunc(alarmManager.GetAlarmDefinition)
  76         response := executeRequest(req, handleFunc)
  77         checkResponseCode(t, http.StatusOK, response.Code)
  78         json.NewDecoder(response.Body).Decode(&alarmDefinition)
  79         xapp.Logger.Info("alarm definition = %v", alarmDefinition)
  80         if alarmDefinition.AlarmId != alarm.RIC_RT_DISTRIBUTION_FAILED || alarmDefinition.AlarmText != "RIC ROUTING TABLE DISTRIBUTION FAILED" {
  81                 t.Errorf("Incorrect alarm definition")
  82         }
  83 }
  84
  85 func TestSetAlarmDefinitions(t *testing.T) {
  86         xapp.Logger.Info("TestSetAlarmDefinitions")
  87         var alarm8004Definition alarm.AlarmDefinition
  88         alarm8004Definition.AlarmId = alarm.RIC_RT_DISTRIBUTION_FAILED
  89         alarm8004Definition.AlarmText = "RIC ROUTING TABLE DISTRIBUTION FAILED"
  90         alarm8004Definition.EventType = "Processing error"
  91         alarm8004Definition.OperationInstructions = "Not defined"
  92         alarm8004Definition.RaiseDelay = 0
  93         alarm8004Definition.ClearDelay = 0
  94
  95         var alarm8005Definition alarm.AlarmDefinition
  96         alarm8005Definition.AlarmId = alarm.TCP_CONNECTIVITY_LOST_TO_DBAAS
  97         alarm8005Definition.AlarmText = "TCP CONNECTIVITY LOST TO DBAAS"
  98         alarm8005Definition.EventType = "Communication error"
  99         alarm8005Definition.OperationInstructions = "Not defined"
 100         alarm8005Definition.RaiseDelay = 0
 101         alarm8005Definition.ClearDelay = 0
 102
 103         var alarm8006Definition alarm.AlarmDefinition
 104         alarm8006Definition.AlarmId = alarm.E2_CONNECTIVITY_LOST_TO_GNODEB
 105         alarm8006Definition.AlarmText = "E2 CONNECTIVITY LOST TO G-NODEB"
 106         alarm8006Definition.EventType = "Communication error"
 107         alarm8006Definition.OperationInstructions = "Not defined"
 108         alarm8006Definition.RaiseDelay = 0
 109         alarm8006Definition.ClearDelay = 0
 110
 111         var alarm8007Definition alarm.AlarmDefinition
 112         alarm8007Definition.AlarmId = alarm.E2_CONNECTIVITY_LOST_TO_ENODEB
 113         alarm8007Definition.AlarmText = "E2 CONNECTIVITY LOST TO E-NODEB"
 114         alarm8007Definition.EventType = "Communication error"
 115         alarm8007Definition.OperationInstructions = "Not defined"
 116         alarm8007Definition.RaiseDelay = 0
 117         alarm8007Definition.ClearDelay = 0
 118
 119         var alarm8008Definition alarm.AlarmDefinition
 120         alarm8008Definition.AlarmId = alarm.ACTIVE_ALARM_EXCEED_MAX_THRESHOLD
 121         alarm8008Definition.AlarmText = "ACTIVE ALARM EXCEED MAX THRESHOLD"
 122         alarm8008Definition.EventType = "storage warning"
 123         alarm8008Definition.OperationInstructions = "Clear alarms or raise threshold"
 124         alarm8008Definition.RaiseDelay = 0
 125         alarm8008Definition.ClearDelay = 0
 126
 127         var alarm8009Definition alarm.AlarmDefinition
 128         alarm8009Definition.AlarmId = alarm.ALARM_HISTORY_EXCEED_MAX_THRESHOLD
 129         alarm8009Definition.AlarmText = "ALARM HISTORY EXCEED MAX THRESHOLD"
 130         alarm8009Definition.EventType = "storage warning"
 131         alarm8009Definition.OperationInstructions = "Clear alarms or raise threshold"
 132         alarm8009Definition.RaiseDelay = 0
 133         alarm8009Definition.ClearDelay = 0
 134
 135         pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm8004Definition, &alarm8005Definition, &alarm8006Definition, &alarm8007Definition, &alarm8008Definition, &alarm8009Definition}}
 136         pbodyEn, _ := json.Marshal(pbodyParams)
 137         req, _ := http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
 138         handleFunc := http.HandlerFunc(alarmManager.SetAlarmDefinition)
 139         response := executeRequest(req, handleFunc)
 140         status := checkResponseCode(t, http.StatusOK, response.Code)
 141         xapp.Logger.Info("status = %v", status)
 142
 143 }
 144
 145 func TestGetAlarmDefinitions(t *testing.T) {
 146         xapp.Logger.Info("TestGetAlarmDefinitions")
 147         var alarmDefinition alarm.AlarmDefinition
 148         req, _ := http.NewRequest("GET", "/ric/v1/alarms/define", nil)
 149         vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
 150         req = mux.SetURLVars(req, vars)
 151         handleFunc := http.HandlerFunc(alarmManager.GetAlarmDefinition)
 152         response := executeRequest(req, handleFunc)
 153         checkResponseCode(t, http.StatusOK, response.Code)
 154         json.NewDecoder(response.Body).Decode(&alarmDefinition)
 155         xapp.Logger.Info("alarm definition = %v", alarmDefinition)
 156         if alarmDefinition.AlarmId != alarm.RIC_RT_DISTRIBUTION_FAILED || alarmDefinition.AlarmText != "RIC ROUTING TABLE DISTRIBUTION FAILED" {
 157                 t.Errorf("Incorrect alarm definition")
 158         }
 159 }
 160
 161 func TestDeleteAlarmDefinitions(t *testing.T) {
 162         xapp.Logger.Info("TestDeleteAlarmDefinitions")
 163         //Get all
 164         var ricAlarmDefinitions RicAlarmDefinitions
 165         req, _ := http.NewRequest("GET", "/ric/v1/alarms/define", nil)
 166         req = mux.SetURLVars(req, nil)
 167         handleFunc := http.HandlerFunc(alarmManager.GetAlarmDefinition)
 168         response := executeRequest(req, handleFunc)
 169         checkResponseCode(t, http.StatusOK, response.Code)
 170         json.NewDecoder(response.Body).Decode(&ricAlarmDefinitions)
 171         for _, alarmDefinition := range ricAlarmDefinitions.AlarmDefinitions {
 172                 xapp.Logger.Info("alarm definition = %v", *alarmDefinition)
 173         }
 174
 175         //Delete 8004
 176         req, _ = http.NewRequest("DELETE", "/ric/v1/alarms/define", nil)
 177         vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
 178         req = mux.SetURLVars(req, vars)
 179         handleFunc = http.HandlerFunc(alarmManager.DeleteAlarmDefinition)
 180         response = executeRequest(req, handleFunc)
 181         checkResponseCode(t, http.StatusOK, response.Code)
 182
 183         //Get 8004 fail
 184         req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
 185         vars = map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
 186         req = mux.SetURLVars(req, vars)
 187         handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
 188         response = executeRequest(req, handleFunc)
 189         checkResponseCode(t, http.StatusBadRequest, response.Code)
 190
 191         //Set 8004 success
 192         var alarm8004Definition alarm.AlarmDefinition
 193         alarm8004Definition.AlarmId = alarm.RIC_RT_DISTRIBUTION_FAILED
 194         alarm8004Definition.AlarmText = "RIC ROUTING TABLE DISTRIBUTION FAILED"
 195         alarm8004Definition.EventType = "Processing error"
 196         alarm8004Definition.OperationInstructions = "Not defined"
 197         alarm8004Definition.RaiseDelay = 0
 198         alarm8004Definition.ClearDelay = 0
 199         pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm8004Definition}}
 200         pbodyEn, _ := json.Marshal(pbodyParams)
 201         req, _ = http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
 202         handleFunc = http.HandlerFunc(alarmManager.SetAlarmDefinition)
 203         response = executeRequest(req, handleFunc)
 204         checkResponseCode(t, http.StatusOK, response.Code)
 205
 206         //Get 8004 success
 207         req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
 208         vars = map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
 209         req = mux.SetURLVars(req, vars)
 210         handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
 211         response = executeRequest(req, handleFunc)
 212         checkResponseCode(t, http.StatusOK, response.Code)
 213 }
 214
 215 func TestNewAlarmStoredAndPostedSucess(t *testing.T) {
 216         xapp.Logger.Info("TestNewAlarmStoredAndPostedSucess")
 217         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 218         defer ts.Close()
 219
 220         a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityCritical, "Some App data", "eth 0 1")
 221         assert.Nil(t, alarmer.Raise(a), "raise failed")
 222
 223         VerifyAlarm(t, a, 1)
 224 }
 225
 226 func TestAlarmClearedSucess(t *testing.T) {
 227         xapp.Logger.Info("TestAlarmClearedSucess")
 228         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 229         defer ts.Close()
 230
 231         // Raise the alarm
 232         a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityCritical, "Some App data", "eth 0 1")
 233         assert.Nil(t, alarmer.Raise(a), "raise failed")
 234
 235         VerifyAlarm(t, a, 1)
 236
 237         // Now Clear the alarm and check alarm is removed
 238         a = alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityCritical, "Some App data", "eth 0 1")
 239         assert.Nil(t, alarmer.Clear(a), "clear failed")
 240
 241         time.Sleep(time.Duration(2) * time.Second)
 242         assert.Equal(t, len(alarmManager.activeAlarms), 0)
 243 }
 244
 245 func TestMultipleAlarmsRaisedSucess(t *testing.T) {
 246         xapp.Logger.Info("TestMultipleAlarmsRaisedSucess")
 247         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 248         defer ts.Close()
 249
 250         // Raise two alarms
 251         a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
 252         assert.Nil(t, alarmer.Raise(a), "raise failed")
 253
 254         b := alarmer.NewAlarm(alarm.TCP_CONNECTIVITY_LOST_TO_DBAAS, alarm.SeverityMinor, "Hello", "abcd 11")
 255         assert.Nil(t, alarmer.Raise(b), "raise failed")
 256
 257         time.Sleep(time.Duration(2) * time.Second)
 258         VerifyAlarm(t, a, 2)
 259         VerifyAlarm(t, b, 2)
 260 }
 261
 262 func TestMultipleAlarmsClearedSucess(t *testing.T) {
 263         xapp.Logger.Info("TestMultipleAlarmsClearedSucess")
 264         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 265         defer ts.Close()
 266
 267         // Raise two alarms
 268         a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
 269         assert.Nil(t, alarmer.Clear(a), "clear failed")
 270
 271         b := alarmer.NewAlarm(alarm.TCP_CONNECTIVITY_LOST_TO_DBAAS, alarm.SeverityMinor, "Hello", "abcd 11")
 272         assert.Nil(t, alarmer.Clear(b), "clear failed")
 273
 274         time.Sleep(time.Duration(2) * time.Second)
 275         assert.Equal(t, len(alarmManager.activeAlarms), 0)
 276 }
 277
 278 func TestAlarmsSuppresedSucess(t *testing.T) {
 279         xapp.Logger.Info("TestAlarmsSuppresedSucess")
 280         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 281         defer ts.Close()
 282
 283         // Raise two similar/matching alarms ... the second one suppresed
 284         a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
 285         assert.Nil(t, alarmer.Raise(a), "raise failed")
 286         assert.Nil(t, alarmer.Raise(a), "raise failed")
 287
 288         VerifyAlarm(t, a, 1)
 289         assert.Nil(t, alarmer.Clear(a), "clear failed")
 290 }
 291
 292 func TestInvalidAlarms(t *testing.T) {
 293         xapp.Logger.Info("TestInvalidAlarms")
 294         a := alarmer.NewAlarm(1111, alarm.SeverityMajor, "Some App data", "eth 0 1")
 295         assert.Nil(t, alarmer.Raise(a), "raise failed")
 296         time.Sleep(time.Duration(2) * time.Second)
 297 }
 298
 299 func TestAlarmHandlingErrorCases(t *testing.T) {
 300         xapp.Logger.Info("TestAlarmHandlingErrorCases")
 301         ok, err := alarmManager.HandleAlarms(&xapp.RMRParams{})
 302         assert.Equal(t, err.Error(), "unexpected end of JSON input")
 303         assert.Nil(t, ok, "raise failed")
 304 }
 305
 306 func TestConsumeUnknownMessage(t *testing.T) {
 307         xapp.Logger.Info("TestConsumeUnknownMessage")
 308         err := alarmManager.Consume(&xapp.RMRParams{})
 309         assert.Nil(t, err, "raise failed")
 310 }
 311
 312 func TestStatusCallback(t *testing.T) {
 313         xapp.Logger.Info("TestStatusCallback")
 314         assert.Equal(t, true, alarmManager.StatusCB())
 315 }
 316
 317 func TestActiveAlarmMaxThresholds(t *testing.T) {
 318         xapp.Logger.Info("TestActiveAlarmMaxThresholds")
 319         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 320         alarmManager.maxActiveAlarms = 0
 321         alarmManager.maxAlarmHistory = 10
 322
 323         a := alarmer.NewAlarm(alarm.E2_CONNECTIVITY_LOST_TO_GNODEB, alarm.SeverityCritical, "Some Application data", "eth 0 2")
 324         assert.Nil(t, alarmer.Raise(a), "raise failed")
 325
 326         var alarmConfigParams alarm.AlarmConfigParams
 327         req, _ := http.NewRequest("GET", "/ric/v1/alarms/config", nil)
 328         req = mux.SetURLVars(req, nil)
 329         handleFunc := http.HandlerFunc(alarmManager.GetAlarmConfig)
 330         response := executeRequest(req, handleFunc)
 331
 332         // Check HTTP Status Code
 333         checkResponseCode(t, http.StatusOK, response.Code)
 334
 335         // Decode the json output from handler
 336         json.NewDecoder(response.Body).Decode(&alarmConfigParams)
 337         if alarmConfigParams.MaxActiveAlarms != 0 || alarmConfigParams.MaxAlarmHistory != 10 {
 338                 t.Errorf("Incorrect alarm thresholds")
 339         }
 340
 341         time.Sleep(time.Duration(1) * time.Second)
 342         alarmManager.maxActiveAlarms = 5000
 343         alarmManager.maxAlarmHistory = 20000
 344         VerifyAlarm(t, a, 2)
 345         VerifyAlarm(t, a, 2)
 346         ts.Close()
 347 }
 348
 349 func TestGetPrometheusAlerts(t *testing.T) {
 350         time.Sleep(1 * time.Second)
 351         xapp.Logger.Info("TestGetPrometheusAlerts")
 352         ts := CreatePromAlertSimulator2(t, "GET", "/alerts?active=true&inhibited=true&silenced=true&unprocessed=true")
 353
 354         commandReady := make(chan bool, 1)
 355         command := "cli/alarm-cli"
 356         args := []string{"gapam", "--active", "true", "--inhibited", "true", "--silenced", "--unprocessed", "true", "true", "--host", "localhost", "--port", "9093", "flushall"}
 357         ExecCLICommand(commandReady, command, args...)
 358         <-commandReady
 359
 360         ts.Close()
 361 }
 362
 363 func TestDelayedAlarmRaiseAndClear(t *testing.T) {
 364         xapp.Logger.Info("TestDelayedAlarmRaiseAndClear")
 365
 366         activeAlarmsBeforeTest := len(alarmManager.activeAlarms)
 367         alarmHistoryBeforeTest := len(alarmManager.alarmHistory)
 368
 369         // Add new alarm definition
 370         var alarm9999Definition alarm.AlarmDefinition
 371         alarm9999Definition.AlarmId = 9999
 372         alarm9999Definition.AlarmText = "DELAYED TEST ALARM"
 373         alarm9999Definition.EventType = "Test type"
 374         alarm9999Definition.OperationInstructions = "Not defined"
 375         alarm9999Definition.RaiseDelay = 1
 376         alarm9999Definition.ClearDelay = 1
 377         pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm9999Definition}}
 378         pbodyEn, _ := json.Marshal(pbodyParams)
 379         req, _ := http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
 380         handleFunc := http.HandlerFunc(alarmManager.SetAlarmDefinition)
 381         response := executeRequest(req, handleFunc)
 382         checkResponseCode(t, http.StatusOK, response.Code)
 383
 384         // Verify 9999 alarm definition
 385         req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
 386         vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
 387         req = mux.SetURLVars(req, vars)
 388         handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
 389         response = executeRequest(req, handleFunc)
 390         checkResponseCode(t, http.StatusOK, response.Code)
 391
 392         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 393         defer ts.Close()
 394
 395         // Raise alarm. Posting alert and updating alarm history should be delayed
 396         a := alarmer.NewAlarm(9999, alarm.SeverityCritical, "Some App data", "eth 0 1")
 397         assert.Nil(t, alarmer.Raise(a), "raise failed")
 398         VerifyAlarm(t, a, activeAlarmsBeforeTest+1)
 399
 400         // Clear the alarm and check the alarm is removed. Posting alert clear and updating alarm history should be delayed
 401         assert.Nil(t, alarmer.Clear(a), "clear failed")
 402
 403         time.Sleep(time.Duration(2) * time.Second)
 404         assert.Equal(t, len(alarmManager.activeAlarms), activeAlarmsBeforeTest)
 405         assert.Equal(t, len(alarmManager.alarmHistory), alarmHistoryBeforeTest+2)
 406 }
 407
 408 func TestDelayedAlarmRaiseAndClear2(t *testing.T) {
 409         xapp.Logger.Info("TestDelayedAlarmRaiseAndClear2")
 410
 411         activeAlarmsBeforeTest := len(alarmManager.activeAlarms)
 412         alarmHistoryBeforeTest := len(alarmManager.alarmHistory)
 413
 414         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 415         defer ts.Close()
 416
 417         // Raise two alarms. The first should be delayed
 418         a := alarmer.NewAlarm(9999, alarm.SeverityCritical, "Some App data", "eth 0 1")
 419         assert.Nil(t, alarmer.Raise(a), "raise failed")
 420         VerifyAlarm(t, a, activeAlarmsBeforeTest+1)
 421
 422         b := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
 423         assert.Nil(t, alarmer.Raise(b), "raise failed")
 424         VerifyAlarm(t, b, activeAlarmsBeforeTest+2)
 425
 426         // Clear two alarms. The first should be delayed. Check the alarms are removed
 427         assert.Nil(t, alarmer.Clear(a), "clear failed")
 428         assert.Nil(t, alarmer.Clear(b), "clear failed")
 429
 430         time.Sleep(time.Duration(2) * time.Second)
 431         assert.Equal(t, len(alarmManager.activeAlarms), activeAlarmsBeforeTest)
 432         assert.Equal(t, len(alarmManager.alarmHistory), alarmHistoryBeforeTest+4)
 433 }
 434
 435 func TestDelayedAlarmRaiseAndClear3(t *testing.T) {
 436         xapp.Logger.Info("TestDelayedAlarmRaiseAndClear3")
 437
 438         // Delete exisitng 9999 alarm definition
 439         req, _ := http.NewRequest("DELETE", "/ric/v1/alarms/define", nil)
 440         vars := map[string]string{"alarmId": strconv.FormatUint(9999, 10)}
 441         req = mux.SetURLVars(req, vars)
 442         handleFunc := http.HandlerFunc(alarmManager.DeleteAlarmDefinition)
 443         response := executeRequest(req, handleFunc)
 444         checkResponseCode(t, http.StatusOK, response.Code)
 445
 446         // Add updated 9999 alarm definition
 447         var alarm9999Definition alarm.AlarmDefinition
 448         alarm9999Definition.AlarmId = 9999
 449         alarm9999Definition.AlarmText = "DELAYED TEST ALARM"
 450         alarm9999Definition.EventType = "Test type"
 451         alarm9999Definition.OperationInstructions = "Not defined"
 452         alarm9999Definition.RaiseDelay = 1
 453         alarm9999Definition.ClearDelay = 0
 454         pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm9999Definition}}
 455         pbodyEn, _ := json.Marshal(pbodyParams)
 456         req, _ = http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
 457         handleFunc = http.HandlerFunc(alarmManager.SetAlarmDefinition)
 458         response = executeRequest(req, handleFunc)
 459         checkResponseCode(t, http.StatusOK, response.Code)
 460
 461         // Verify 9999 alarm definition
 462         req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
 463         vars = map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
 464         req = mux.SetURLVars(req, vars)
 465         handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
 466         response = executeRequest(req, handleFunc)
 467         checkResponseCode(t, http.StatusOK, response.Code)
 468
 469         activeAlarmsBeforeTest := len(alarmManager.activeAlarms)
 470         alarmHistoryBeforeTest := len(alarmManager.alarmHistory)
 471
 472         ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
 473         defer ts.Close()
 474
 475         // Raise two alarms. The first should be delayed
 476         a := alarmer.NewAlarm(9999, alarm.SeverityCritical, "Some App data", "eth 0 1")
 477         assert.Nil(t, alarmer.Raise(a), "raise failed")
 478         VerifyAlarm(t, a, activeAlarmsBeforeTest+1)
 479
 480         b := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
 481         assert.Nil(t, alarmer.Raise(b), "raise failed")
 482         VerifyAlarm(t, b, activeAlarmsBeforeTest+2)
 483
 484         // Clear two alarms. The first should be delayed. Check the alarms are removed
 485         assert.Nil(t, alarmer.Clear(a), "clear failed")
 486         assert.Nil(t, alarmer.Clear(b), "clear failed")
 487
 488         time.Sleep(time.Duration(2) * time.Second)
 489         assert.Equal(t, len(alarmManager.activeAlarms), activeAlarmsBeforeTest)
 490         assert.Equal(t, len(alarmManager.alarmHistory), alarmHistoryBeforeTest+4)
 491 }
 492
 493 func VerifyAlarm(t *testing.T, a alarm.Alarm, expectedCount int) string {
 494         receivedAlert := waitForEvent()
 495
 496         assert.Equal(t, expectedCount, len(alarmManager.activeAlarms))
 497         _, ok := alarmManager.IsMatchFound(a)
 498         assert.True(t, ok)
 499
 500         return receivedAlert
 501 }
 502
 503 func VerifyAlert(t *testing.T, receivedAlert, expectedAlert string) {
 504         receivedAlert = strings.Replace(fmt.Sprintf("%v", receivedAlert), "\r\n", " ", -1)
 505         //assert.Equal(t, receivedAlert, e)
 506 }
 507
 508 func CreatePromAlertSimulator(t *testing.T, method, url string, status int, respData interface{}) *httptest.Server {
 509         l, err := net.Listen("tcp", "localhost:9093")
 510         if err != nil {
 511                 t.Error("Failed to create listener: " + err.Error())
 512         }
 513         ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 514                 assert.Equal(t, r.Method, method)
 515                 assert.Equal(t, r.URL.String(), url)
 516
 517                 fireEvent(t, r.Body)
 518
 519                 w.Header().Add("Content-Type", "application/json")
 520                 w.WriteHeader(status)
 521                 b, _ := json.Marshal(respData)
 522                 w.Write(b)
 523         }))
 524         ts.Listener.Close()
 525         ts.Listener = l
 526
 527         ts.Start()
 528
 529         return ts
 530 }
 531
 532 func CreatePromAlertSimulator2(t *testing.T, method, url string) *httptest.Server {
 533         l, err := net.Listen("tcp", "localhost:9093")
 534         if err != nil {
 535                 t.Error("Failed to create listener: " + err.Error())
 536         }
 537         ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 538                 assert.Equal(t, r.Method, method)
 539                 assert.Equal(t, r.URL.String(), url)
 540
 541                 w.Header().Add("Content-Type", "application/json")
 542                 w.WriteHeader(200)
 543                 // Read alerts from file
 544                 payload, err := readJSONFromFile("../testresources/prometheus-alerts.json")
 545                 if err != nil {
 546                         t.Error("Failed to send response: ", err)
 547                 }
 548                 _, err = w.Write(payload)
 549                 if err != nil {
 550                         t.Error("Failed to send response: " + err.Error())
 551                 }
 552         }))
 553         ts.Listener.Close()
 554         ts.Listener = l
 555         ts.Start()
 556         return ts
 557 }
 558
 559 func waitForEvent() string {
 560         receivedAlert := <-eventChan
 561         return receivedAlert
 562 }
 563
 564 func fireEvent(t *testing.T, body io.ReadCloser) {
 565         reqBody, err := ioutil.ReadAll(body)
 566         assert.Nil(t, err, "ioutil.ReadAll failed")
 567         assert.NotNil(t, reqBody, "ioutil.ReadAll failed")
 568
 569         eventChan <- fmt.Sprintf("%s", reqBody)
 570 }
 571
 572 func executeRequest(req *http.Request, handleR http.HandlerFunc) *httptest.ResponseRecorder {
 573         rr := httptest.NewRecorder()
 574
 575         handleR.ServeHTTP(rr, req)
 576
 577         return rr
 578 }
 579
 580 func checkResponseCode(t *testing.T, expected, actual int) bool {
 581         if expected != actual {
 582                 t.Errorf("Expected response code %d. Got %d\n", expected, actual)
 583                 return false
 584         }
 585         return true
 586 }
 587
 588 func ExecCLICommand(commandReady chan bool, command string, args ...string) {
 589         go func() {
 590                 xapp.Logger.Info("Giving CLI command")
 591                 cmd := exec.Command(command, args...)
 592                 cmd.Dir = "../"
 593                 output, err := cmd.CombinedOutput()
 594                 if err != nil {
 595                         xapp.Logger.Info("CLI command failed out: %s", err)
 596                 }
 597                 xapp.Logger.Info("CLI command output: %s", output)
 598                 commandReady <- true
 599                 xapp.Logger.Info("CLI command completed")
 600         }()
 601 }
 602
 603 func readJSONFromFile(filename string) ([]byte, error) {
 604         file, err := ioutil.ReadFile(filename)
 605         if err != nil {
 606                 err := fmt.Errorf("readJSONFromFile() failed: Error: %v", err)
 607                 return nil, err
 608         }
 609         return file, nil
 610 }