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/*
* Copyright (c) 2020 AT&T Intellectual Property.
* Copyright (c) 2020 Nokia.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
* This source code is part of the near-RT RIC (RAN Intelligent Controller)
* platform project (RICP).
*/
package main
import (
"bytes"
"encoding/json"
"fmt"
"gerrit.o-ran-sc.org/r/ric-plt/alarm-go/alarm"
"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
"github.com/gorilla/mux"
"github.com/prometheus/alertmanager/api/v2/models"
"github.com/stretchr/testify/assert"
"io"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"os"
"os/exec"
"strconv"
"strings"
"testing"
"time"
)
var alarmManager *AlarmManager
var alarmer *alarm.RICAlarm
var eventChan chan string
// Test cases
func TestMain(M *testing.M) {
alarmManager = NewAlarmManager("localhost:9093", 500, false)
alarmManager.alertInterval = 20000
go alarmManager.Run(false, 5)
time.Sleep(time.Duration(10) * time.Second)
// Wait until RMR is up-and-running
for !xapp.Rmr.IsReady() {
time.Sleep(time.Duration(1) * time.Second)
}
alarmer, _ = alarm.InitAlarm("my-pod", "my-app")
alarmManager.alarmClient = alarmer
time.Sleep(time.Duration(5) * time.Second)
eventChan = make(chan string)
os.Exit(M.Run())
}
func TestGetPreDefinedAlarmDefinitions(t *testing.T) {
xapp.Logger.Info("TestGetPreDefinedAlarmDefinitions")
var alarmDefinition alarm.AlarmDefinition
req, _ := http.NewRequest("GET", "/ric/v1/alarms/define", nil)
vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc := http.HandlerFunc(alarmManager.GetAlarmDefinition)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
json.NewDecoder(response.Body).Decode(&alarmDefinition)
xapp.Logger.Info("alarm definition = %v", alarmDefinition)
if alarmDefinition.AlarmId != alarm.RIC_RT_DISTRIBUTION_FAILED || alarmDefinition.AlarmText != "RIC ROUTING TABLE DISTRIBUTION FAILED" {
t.Errorf("Incorrect alarm definition")
}
}
func TestSetAlarmDefinitions(t *testing.T) {
xapp.Logger.Info("TestSetAlarmDefinitions")
var alarm8004Definition alarm.AlarmDefinition
alarm8004Definition.AlarmId = alarm.RIC_RT_DISTRIBUTION_FAILED
alarm8004Definition.AlarmText = "RIC ROUTING TABLE DISTRIBUTION FAILED"
alarm8004Definition.EventType = "Processing error"
alarm8004Definition.OperationInstructions = "Not defined"
alarm8004Definition.RaiseDelay = 0
alarm8004Definition.ClearDelay = 0
var alarm8005Definition alarm.AlarmDefinition
alarm8005Definition.AlarmId = alarm.TCP_CONNECTIVITY_LOST_TO_DBAAS
alarm8005Definition.AlarmText = "TCP CONNECTIVITY LOST TO DBAAS"
alarm8005Definition.EventType = "Communication error"
alarm8005Definition.OperationInstructions = "Not defined"
alarm8005Definition.RaiseDelay = 0
alarm8005Definition.ClearDelay = 0
var alarm8006Definition alarm.AlarmDefinition
alarm8006Definition.AlarmId = alarm.E2_CONNECTIVITY_LOST_TO_GNODEB
alarm8006Definition.AlarmText = "E2 CONNECTIVITY LOST TO G-NODEB"
alarm8006Definition.EventType = "Communication error"
alarm8006Definition.OperationInstructions = "Not defined"
alarm8006Definition.RaiseDelay = 0
alarm8006Definition.ClearDelay = 0
var alarm8007Definition alarm.AlarmDefinition
alarm8007Definition.AlarmId = alarm.E2_CONNECTIVITY_LOST_TO_ENODEB
alarm8007Definition.AlarmText = "E2 CONNECTIVITY LOST TO E-NODEB"
alarm8007Definition.EventType = "Communication error"
alarm8007Definition.OperationInstructions = "Not defined"
alarm8007Definition.RaiseDelay = 0
alarm8007Definition.ClearDelay = 0
var alarm8008Definition alarm.AlarmDefinition
alarm8008Definition.AlarmId = alarm.ACTIVE_ALARM_EXCEED_MAX_THRESHOLD
alarm8008Definition.AlarmText = "ACTIVE ALARM EXCEED MAX THRESHOLD"
alarm8008Definition.EventType = "storage warning"
alarm8008Definition.OperationInstructions = "Clear alarms or raise threshold"
alarm8008Definition.RaiseDelay = 0
alarm8008Definition.ClearDelay = 0
var alarm8009Definition alarm.AlarmDefinition
alarm8009Definition.AlarmId = alarm.ALARM_HISTORY_EXCEED_MAX_THRESHOLD
alarm8009Definition.AlarmText = "ALARM HISTORY EXCEED MAX THRESHOLD"
alarm8009Definition.EventType = "storage warning"
alarm8009Definition.OperationInstructions = "Clear alarms or raise threshold"
alarm8009Definition.RaiseDelay = 0
alarm8009Definition.ClearDelay = 0
pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm8004Definition, &alarm8005Definition, &alarm8006Definition, &alarm8007Definition, &alarm8008Definition, &alarm8009Definition}}
pbodyEn, _ := json.Marshal(pbodyParams)
req, _ := http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
handleFunc := http.HandlerFunc(alarmManager.SetAlarmDefinition)
response := executeRequest(req, handleFunc)
status := checkResponseCode(t, http.StatusOK, response.Code)
xapp.Logger.Info("status = %v", status)
}
func TestGetAlarmDefinitions(t *testing.T) {
xapp.Logger.Info("TestGetAlarmDefinitions")
var alarmDefinition alarm.AlarmDefinition
req, _ := http.NewRequest("GET", "/ric/v1/alarms/define", nil)
vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc := http.HandlerFunc(alarmManager.GetAlarmDefinition)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
json.NewDecoder(response.Body).Decode(&alarmDefinition)
xapp.Logger.Info("alarm definition = %v", alarmDefinition)
if alarmDefinition.AlarmId != alarm.RIC_RT_DISTRIBUTION_FAILED || alarmDefinition.AlarmText != "RIC ROUTING TABLE DISTRIBUTION FAILED" {
t.Errorf("Incorrect alarm definition")
}
}
func TestDeleteAlarmDefinitions(t *testing.T) {
xapp.Logger.Info("TestDeleteAlarmDefinitions")
//Get all
var ricAlarmDefinitions RicAlarmDefinitions
req, _ := http.NewRequest("GET", "/ric/v1/alarms/define", nil)
req = mux.SetURLVars(req, nil)
handleFunc := http.HandlerFunc(alarmManager.GetAlarmDefinition)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
json.NewDecoder(response.Body).Decode(&ricAlarmDefinitions)
for _, alarmDefinition := range ricAlarmDefinitions.AlarmDefinitions {
xapp.Logger.Info("alarm definition = %v", *alarmDefinition)
}
//Delete 8004
req, _ = http.NewRequest("DELETE", "/ric/v1/alarms/define", nil)
vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc = http.HandlerFunc(alarmManager.DeleteAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
//Get 8004 fail
req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
vars = map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusBadRequest, response.Code)
//Set 8004 success
var alarm8004Definition alarm.AlarmDefinition
alarm8004Definition.AlarmId = alarm.RIC_RT_DISTRIBUTION_FAILED
alarm8004Definition.AlarmText = "RIC ROUTING TABLE DISTRIBUTION FAILED"
alarm8004Definition.EventType = "Processing error"
alarm8004Definition.OperationInstructions = "Not defined"
alarm8004Definition.RaiseDelay = 0
alarm8004Definition.ClearDelay = 0
pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm8004Definition}}
pbodyEn, _ := json.Marshal(pbodyParams)
req, _ = http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
handleFunc = http.HandlerFunc(alarmManager.SetAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
//Get 8004 success
req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
vars = map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
}
func TestNewAlarmStoredAndPostedSucess(t *testing.T) {
xapp.Logger.Info("TestNewAlarmStoredAndPostedSucess")
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityCritical, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
VerifyAlarm(t, a, 1)
var activeAlarms []AlarmNotification
activeAlarms = make([]AlarmNotification, 1)
req, _ := http.NewRequest("GET", "/ric/v1/alarms/active", nil)
req = mux.SetURLVars(req, nil)
handleFunc := http.HandlerFunc(alarmManager.GetActiveAlarms)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Decode the json output from handler
json.NewDecoder(response.Body).Decode(activeAlarms)
if len(activeAlarms) != 1 {
t.Errorf("Incorrect alarm alarm count")
}
var alarmHistory []AlarmNotification
alarmHistory = make([]AlarmNotification, 1)
req, _ = http.NewRequest("GET", "/ric/v1/alarms/history", nil)
req = mux.SetURLVars(req, nil)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmHistory)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Decode the json output from handler
json.NewDecoder(response.Body).Decode(alarmHistory)
if len(alarmHistory) != 1 {
t.Errorf("Incorrect alarm history count")
}
}
func TestAlarmClearedSucess(t *testing.T) {
xapp.Logger.Info("TestAlarmClearedSucess")
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise the alarm
a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityCritical, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
VerifyAlarm(t, a, 1)
// Now Clear the alarm and check alarm is removed
a = alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityCritical, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Clear(a), "clear failed")
time.Sleep(time.Duration(2) * time.Second)
assert.Equal(t, len(alarmManager.activeAlarms), 0)
}
func TestMultipleAlarmsRaisedSucess(t *testing.T) {
xapp.Logger.Info("TestMultipleAlarmsRaisedSucess")
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise two alarms
a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
b := alarmer.NewAlarm(alarm.TCP_CONNECTIVITY_LOST_TO_DBAAS, alarm.SeverityMinor, "Hello", "abcd 11")
assert.Nil(t, alarmer.Raise(b), "raise failed")
time.Sleep(time.Duration(2) * time.Second)
VerifyAlarm(t, a, 2)
VerifyAlarm(t, b, 2)
}
func TestMultipleAlarmsClearedSucess(t *testing.T) {
xapp.Logger.Info("TestMultipleAlarmsClearedSucess")
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise two alarms
a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Clear(a), "clear failed")
b := alarmer.NewAlarm(alarm.TCP_CONNECTIVITY_LOST_TO_DBAAS, alarm.SeverityMinor, "Hello", "abcd 11")
assert.Nil(t, alarmer.Clear(b), "clear failed")
time.Sleep(time.Duration(2) * time.Second)
assert.Equal(t, len(alarmManager.activeAlarms), 0)
}
func TestAlarmsSuppresedSucess(t *testing.T) {
xapp.Logger.Info("TestAlarmsSuppresedSucess")
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise two similar/matching alarms ... the second one suppresed
a := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
assert.Nil(t, alarmer.Raise(a), "raise failed")
VerifyAlarm(t, a, 1)
assert.Nil(t, alarmer.Clear(a), "clear failed")
}
func TestInvalidAlarms(t *testing.T) {
xapp.Logger.Info("TestInvalidAlarms")
a := alarmer.NewAlarm(1111, alarm.SeverityMajor, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
time.Sleep(time.Duration(2) * time.Second)
}
func TestAlarmHandlingErrorCases(t *testing.T) {
xapp.Logger.Info("TestAlarmHandlingErrorCases")
ok, err := alarmManager.HandleAlarms(&xapp.RMRParams{})
assert.Equal(t, err.Error(), "unexpected end of JSON input")
assert.Nil(t, ok, "raise failed")
}
func TestConsumeUnknownMessage(t *testing.T) {
xapp.Logger.Info("TestConsumeUnknownMessage")
err := alarmManager.Consume(&xapp.RMRParams{})
assert.Nil(t, err, "raise failed")
}
func TestStatusCallback(t *testing.T) {
xapp.Logger.Info("TestStatusCallback")
assert.Equal(t, true, alarmManager.StatusCB())
}
func TestActiveAlarmMaxThresholds(t *testing.T) {
xapp.Logger.Info("TestActiveAlarmMaxThresholds")
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
alarmManager.maxActiveAlarms = 0
alarmManager.maxAlarmHistory = 10
a := alarmer.NewAlarm(alarm.E2_CONNECTIVITY_LOST_TO_GNODEB, alarm.SeverityCritical, "Some Application data", "eth 0 2")
assert.Nil(t, alarmer.Raise(a), "raise failed")
var alarmConfigParams alarm.AlarmConfigParams
req, _ := http.NewRequest("GET", "/ric/v1/alarms/config", nil)
req = mux.SetURLVars(req, nil)
handleFunc := http.HandlerFunc(alarmManager.GetAlarmConfig)
response := executeRequest(req, handleFunc)
// Check HTTP Status Code
checkResponseCode(t, http.StatusOK, response.Code)
// Decode the json output from handler
json.NewDecoder(response.Body).Decode(&alarmConfigParams)
if alarmConfigParams.MaxActiveAlarms != 0 || alarmConfigParams.MaxAlarmHistory != 10 {
t.Errorf("Incorrect alarm thresholds")
}
time.Sleep(time.Duration(1) * time.Second)
alarmManager.maxActiveAlarms = 5000
alarmManager.maxAlarmHistory = 20000
VerifyAlarm(t, a, 2)
VerifyAlarm(t, a, 2)
ts.Close()
}
func TestGetPrometheusAlerts(t *testing.T) {
time.Sleep(1 * time.Second)
xapp.Logger.Info("TestGetPrometheusAlerts")
ts := CreatePromAlertSimulator2(t, "GET", "/alerts?active=true&inhibited=true&silenced=true&unprocessed=true")
commandReady := make(chan bool, 1)
command := "cli/alarm-cli"
args := []string{"alerts", "--active", "true", "--inhibited", "true", "--silenced", "--unprocessed", "true", "true", "--host", "localhost", "--port", "9093", "flushall"}
ExecCLICommand(commandReady, command, args...)
<-commandReady
ts.Close()
}
func TestDelayedAlarmRaiseAndClear(t *testing.T) {
xapp.Logger.Info("TestDelayedAlarmRaiseAndClear")
activeAlarmsBeforeTest := len(alarmManager.activeAlarms)
alarmHistoryBeforeTest := len(alarmManager.alarmHistory)
// Add new alarm definition
var alarm9999Definition alarm.AlarmDefinition
alarm9999Definition.AlarmId = 9999
alarm9999Definition.AlarmText = "DELAYED TEST ALARM"
alarm9999Definition.EventType = "Test type"
alarm9999Definition.OperationInstructions = "Not defined"
alarm9999Definition.RaiseDelay = 1
alarm9999Definition.ClearDelay = 1
pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm9999Definition}}
pbodyEn, _ := json.Marshal(pbodyParams)
req, _ := http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
handleFunc := http.HandlerFunc(alarmManager.SetAlarmDefinition)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Verify 9999 alarm definition
req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
vars := map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise alarm. Posting alert and updating alarm history should be delayed
a := alarmer.NewAlarm(9999, alarm.SeverityCritical, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
VerifyAlarm(t, a, activeAlarmsBeforeTest+1)
// Clear the alarm and check the alarm is removed. Posting alert clear and updating alarm history should be delayed
assert.Nil(t, alarmer.Clear(a), "clear failed")
time.Sleep(time.Duration(2) * time.Second)
assert.Equal(t, len(alarmManager.activeAlarms), activeAlarmsBeforeTest)
assert.Equal(t, len(alarmManager.alarmHistory), alarmHistoryBeforeTest+2)
}
func TestDelayedAlarmRaiseAndClear2(t *testing.T) {
xapp.Logger.Info("TestDelayedAlarmRaiseAndClear2")
activeAlarmsBeforeTest := len(alarmManager.activeAlarms)
alarmHistoryBeforeTest := len(alarmManager.alarmHistory)
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise two alarms. The first should be delayed
a := alarmer.NewAlarm(9999, alarm.SeverityCritical, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
VerifyAlarm(t, a, activeAlarmsBeforeTest+1)
b := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(b), "raise failed")
VerifyAlarm(t, b, activeAlarmsBeforeTest+2)
// Clear two alarms. The first should be delayed. Check the alarms are removed
assert.Nil(t, alarmer.Clear(a), "clear failed")
assert.Nil(t, alarmer.Clear(b), "clear failed")
time.Sleep(time.Duration(2) * time.Second)
assert.Equal(t, len(alarmManager.activeAlarms), activeAlarmsBeforeTest)
assert.Equal(t, len(alarmManager.alarmHistory), alarmHistoryBeforeTest+4)
}
func TestDelayedAlarmRaiseAndClear3(t *testing.T) {
xapp.Logger.Info("TestDelayedAlarmRaiseAndClear3")
// Delete exisitng 9999 alarm definition
req, _ := http.NewRequest("DELETE", "/ric/v1/alarms/define", nil)
vars := map[string]string{"alarmId": strconv.FormatUint(9999, 10)}
req = mux.SetURLVars(req, vars)
handleFunc := http.HandlerFunc(alarmManager.DeleteAlarmDefinition)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Add updated 9999 alarm definition
var alarm9999Definition alarm.AlarmDefinition
alarm9999Definition.AlarmId = 9999
alarm9999Definition.AlarmText = "DELAYED TEST ALARM"
alarm9999Definition.EventType = "Test type"
alarm9999Definition.OperationInstructions = "Not defined"
alarm9999Definition.RaiseDelay = 1
alarm9999Definition.ClearDelay = 0
pbodyParams := RicAlarmDefinitions{AlarmDefinitions: []*alarm.AlarmDefinition{&alarm9999Definition}}
pbodyEn, _ := json.Marshal(pbodyParams)
req, _ = http.NewRequest("POST", "/ric/v1/alarms/define", bytes.NewBuffer(pbodyEn))
handleFunc = http.HandlerFunc(alarmManager.SetAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Verify 9999 alarm definition
req, _ = http.NewRequest("GET", "/ric/v1/alarms/define", nil)
vars = map[string]string{"alarmId": strconv.FormatUint(8004, 10)}
req = mux.SetURLVars(req, vars)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmDefinition)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
activeAlarmsBeforeTest := len(alarmManager.activeAlarms)
alarmHistoryBeforeTest := len(alarmManager.alarmHistory)
ts := CreatePromAlertSimulator(t, "POST", "/api/v2/alerts", http.StatusOK, models.LabelSet{})
defer ts.Close()
// Raise two alarms. The first should be delayed
a := alarmer.NewAlarm(9999, alarm.SeverityCritical, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(a), "raise failed")
VerifyAlarm(t, a, activeAlarmsBeforeTest+1)
b := alarmer.NewAlarm(alarm.RIC_RT_DISTRIBUTION_FAILED, alarm.SeverityMajor, "Some App data", "eth 0 1")
assert.Nil(t, alarmer.Raise(b), "raise failed")
VerifyAlarm(t, b, activeAlarmsBeforeTest+2)
// Clear two alarms. The first should be delayed. Check the alarms are removed
assert.Nil(t, alarmer.Clear(a), "clear failed")
assert.Nil(t, alarmer.Clear(b), "clear failed")
time.Sleep(time.Duration(2) * time.Second)
assert.Equal(t, len(alarmManager.activeAlarms), activeAlarmsBeforeTest)
assert.Equal(t, len(alarmManager.alarmHistory), alarmHistoryBeforeTest+4)
}
func TestClearExpiredAlarms(t *testing.T) {
xapp.Logger.Info("TestClearExpiredAlarms")
a := alarm.AlarmMessage{
Alarm: alarmer.NewAlarm(8007, alarm.SeverityWarning, "threshold", ""),
AlarmAction: alarm.AlarmActionRaise,
AlarmTime: time.Now().UnixNano(),
}
d := alarm.RICAlarmDefinitions[8007]
n := AlarmNotification{a, *d}
alarmManager.activeAlarms = make([]AlarmNotification, 0)
alarmManager.UpdateActiveAlarmList(&n)
// Unknown SP
a.Alarm.SpecificProblem = 1234
assert.False(t, alarmManager.ClearExpiredAlarms(n, 0, false), "ClearExpiredAlarms failed")
// TTL is 0
d.TimeToLive = 0
assert.False(t, alarmManager.ClearExpiredAlarms(n, 0, false), "ClearExpiredAlarms failed")
// TTL not expired
a.Alarm.SpecificProblem = 8007
d.TimeToLive = 2
assert.False(t, alarmManager.ClearExpiredAlarms(n, 0, false), "ClearExpiredAlarms failed")
// TTL expired, alarm should be cleared
time.Sleep(time.Duration(3) * time.Second)
assert.Equal(t, len(alarmManager.activeAlarms), 1)
assert.True(t, alarmManager.ClearExpiredAlarms(n, 0, false), "ClearExpiredAlarms failed")
assert.Equal(t, len(alarmManager.activeAlarms), 0)
}
func TestSetAlarmConfig(t *testing.T) {
xapp.Logger.Info("TestSetAlarmConfig")
var setAlarmConfig alarm.AlarmConfigParams
setAlarmConfig.MaxActiveAlarms = 500
setAlarmConfig.MaxAlarmHistory = 2000
pbodyEn, _ := json.Marshal(setAlarmConfig)
req, _ := http.NewRequest("POST", "/ric/v1/alarms/config", bytes.NewBuffer(pbodyEn))
handleFunc := http.HandlerFunc(alarmManager.SetAlarmConfig)
response := executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
var getAlarmConfig alarm.AlarmConfigParams
req, _ = http.NewRequest("GET", "/ric/v1/alarms/config", nil)
req = mux.SetURLVars(req, nil)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmConfig)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Decode the json output from handler
json.NewDecoder(response.Body).Decode(&getAlarmConfig)
if getAlarmConfig.MaxActiveAlarms != 500 || getAlarmConfig.MaxAlarmHistory != 2000 {
t.Errorf("Incorrect alarm thresholds")
}
// Revert ot default
setAlarmConfig.MaxActiveAlarms = 5000
setAlarmConfig.MaxAlarmHistory = 20000
pbodyEn, _ = json.Marshal(setAlarmConfig)
req, _ = http.NewRequest("POST", "/ric/v1/alarms/config", bytes.NewBuffer(pbodyEn))
handleFunc = http.HandlerFunc(alarmManager.SetAlarmConfig)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
req, _ = http.NewRequest("GET", "/ric/v1/alarms/config", nil)
req = mux.SetURLVars(req, nil)
handleFunc = http.HandlerFunc(alarmManager.GetAlarmConfig)
response = executeRequest(req, handleFunc)
checkResponseCode(t, http.StatusOK, response.Code)
// Decode the json output from handler
json.NewDecoder(response.Body).Decode(&getAlarmConfig)
if getAlarmConfig.MaxActiveAlarms != 5000 || getAlarmConfig.MaxAlarmHistory != 20000 {
t.Errorf("Incorrect alarm thresholds")
}
}
func TestConfigChangeCB(t *testing.T) {
xapp.Logger.Info("TestConfigChangeCB")
alarmManager.ConfigChangeCB("AlarmManager")
}
func VerifyAlarm(t *testing.T, a alarm.Alarm, expectedCount int) string {
receivedAlert := waitForEvent()
assert.Equal(t, expectedCount, len(alarmManager.activeAlarms))
_, ok := alarmManager.IsMatchFound(a)
assert.True(t, ok)
return receivedAlert
}
func VerifyAlert(t *testing.T, receivedAlert, expectedAlert string) {
receivedAlert = strings.Replace(fmt.Sprintf("%v", receivedAlert), "\r\n", " ", -1)
//assert.Equal(t, receivedAlert, e)
}
func CreatePromAlertSimulator(t *testing.T, method, url string, status int, respData interface{}) *httptest.Server {
l, err := net.Listen("tcp", "localhost:9093")
if err != nil {
t.Error("Failed to create listener: " + err.Error())
}
ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, r.Method, method)
assert.Equal(t, r.URL.String(), url)
fireEvent(t, r.Body)
w.Header().Add("Content-Type", "application/json")
w.WriteHeader(status)
b, _ := json.Marshal(respData)
w.Write(b)
}))
ts.Listener.Close()
ts.Listener = l
ts.Start()
return ts
}
func CreatePromAlertSimulator2(t *testing.T, method, url string) *httptest.Server {
l, err := net.Listen("tcp", "localhost:9093")
if err != nil {
t.Error("Failed to create listener: " + err.Error())
}
ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, r.Method, method)
assert.Equal(t, r.URL.String(), url)
w.Header().Add("Content-Type", "application/json")
w.WriteHeader(200)
// Read alerts from file
payload, err := readJSONFromFile("../testresources/prometheus-alerts.json")
if err != nil {
t.Error("Failed to send response: ", err)
}
_, err = w.Write(payload)
if err != nil {
t.Error("Failed to send response: " + err.Error())
}
}))
ts.Listener.Close()
ts.Listener = l
ts.Start()
return ts
}
func waitForEvent() string {
receivedAlert := <-eventChan
return receivedAlert
}
func fireEvent(t *testing.T, body io.ReadCloser) {
reqBody, err := ioutil.ReadAll(body)
assert.Nil(t, err, "ioutil.ReadAll failed")
assert.NotNil(t, reqBody, "ioutil.ReadAll failed")
eventChan <- fmt.Sprintf("%s", reqBody)
}
func executeRequest(req *http.Request, handleR http.HandlerFunc) *httptest.ResponseRecorder {
rr := httptest.NewRecorder()
handleR.ServeHTTP(rr, req)
return rr
}
func checkResponseCode(t *testing.T, expected, actual int) bool {
if expected != actual {
t.Errorf("Expected response code %d. Got %d\n", expected, actual)
return false
}
return true
}
func ExecCLICommand(commandReady chan bool, command string, args ...string) {
go func() {
xapp.Logger.Info("Giving CLI command")
cmd := exec.Command(command, args...)
cmd.Dir = "../"
output, err := cmd.CombinedOutput()
if err != nil {
xapp.Logger.Info("CLI command failed out: %s", err)
}
xapp.Logger.Info("CLI command output: %s", output)
commandReady <- true
xapp.Logger.Info("CLI command completed")
}()
}
func readJSONFromFile(filename string) ([]byte, error) {
file, err := ioutil.ReadFile(filename)
if err != nil {
err := fmt.Errorf("readJSONFromFile() failed: Error: %v", err)
return nil, err
}
return file, nil
}