chore: remove rules dependency in CH reader (#5396)

pkg/query-service/app/clickhouseReader/reader.go

@@ -53,7 +53,6 @@ import (
 	"go.signoz.io/signoz/pkg/query-service/interfaces"
 	"go.signoz.io/signoz/pkg/query-service/model"
 	v3 "go.signoz.io/signoz/pkg/query-service/model/v3"
-	"go.signoz.io/signoz/pkg/query-service/rules"
 	"go.signoz.io/signoz/pkg/query-service/telemetry"
 	"go.signoz.io/signoz/pkg/query-service/utils"
 )
@@ -3420,36 +3419,6 @@ func countPanelsInDashboard(data map[string]interface{}) model.DashboardsInfo {
 	}
 }
 
-func (r *ClickHouseReader) GetAlertsInfo(ctx context.Context) (*model.AlertsInfo, error) {
-	alertsInfo := model.AlertsInfo{}
-	// fetch alerts from rules db
-	query := "SELECT data FROM rules"
-	var alertsData []string
-	err := r.localDB.Select(&alertsData, query)
-	if err != nil {
-		zap.L().Error("Error in processing sql query", zap.Error(err))
-		return &alertsInfo, err
-	}
-	for _, alert := range alertsData {
-		var rule rules.GettableRule
-		err = json.Unmarshal([]byte(alert), &rule)
-		if err != nil {
-			zap.L().Error("invalid rule data", zap.Error(err))
-			continue
-		}
-		if rule.AlertType == "LOGS_BASED_ALERT" {
-			alertsInfo.LogsBasedAlerts = alertsInfo.LogsBasedAlerts + 1
-		} else if rule.AlertType == "METRIC_BASED_ALERT" {
-			alertsInfo.MetricBasedAlerts = alertsInfo.MetricBasedAlerts + 1
-		} else if rule.AlertType == "TRACES_BASED_ALERT" {
-			alertsInfo.TracesBasedAlerts = alertsInfo.TracesBasedAlerts + 1
-		}
-		alertsInfo.TotalAlerts = alertsInfo.TotalAlerts + 1
-	}
-
-	return &alertsInfo, nil
-}
-
 func (r *ClickHouseReader) GetSavedViewsInfo(ctx context.Context) (*model.SavedViewsInfo, error) {
 	savedViewsInfo := model.SavedViewsInfo{}
 	savedViews, err := explorer.GetViews()

pkg/query-service/interfaces/interface.go

@@ -73,7 +73,6 @@ type Reader interface {
 	LiveTailLogsV3(ctx context.Context, query string, timestampStart uint64, idStart string, client *v3.LogsLiveTailClient)
 
 	GetDashboardsInfo(ctx context.Context) (*model.DashboardsInfo, error)
-	GetAlertsInfo(ctx context.Context) (*model.AlertsInfo, error)
 	GetSavedViewsInfo(ctx context.Context) (*model.SavedViewsInfo, error)
 	GetTotalSpans(ctx context.Context) (uint64, error)
 	GetTotalLogs(ctx context.Context) (uint64, error)

pkg/query-service/rules/db.go

@@ -2,6 +2,7 @@ package rules
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"strconv"
 	"time"
@@ -9,6 +10,7 @@ import (
 	"github.com/jmoiron/sqlx"
 	"go.signoz.io/signoz/pkg/query-service/auth"
 	"go.signoz.io/signoz/pkg/query-service/common"
+	"go.signoz.io/signoz/pkg/query-service/model"
 	"go.uber.org/zap"
 )
 
@@ -43,6 +45,9 @@ type RuleDB interface {
 
 	// GetAllPlannedMaintenance fetches the maintenance definitions from db
 	GetAllPlannedMaintenance(ctx context.Context) ([]PlannedMaintenance, error)
+
+	// used for internal telemetry
+	GetAlertsInfo(ctx context.Context) (*model.AlertsInfo, error)
 }
 
 type StoredRule struct {
@@ -295,3 +300,33 @@ func (r *ruleDB) EditPlannedMaintenance(ctx context.Context, maintenance Planned
 
 	return "", nil
 }
+
+func (r *ruleDB) GetAlertsInfo(ctx context.Context) (*model.AlertsInfo, error) {
+	alertsInfo := model.AlertsInfo{}
+	// fetch alerts from rules db
+	query := "SELECT data FROM rules"
+	var alertsData []string
+	err := r.Select(&alertsData, query)
+	if err != nil {
+		zap.L().Error("Error in processing sql query", zap.Error(err))
+		return &alertsInfo, err
+	}
+	for _, alert := range alertsData {
+		var rule GettableRule
+		err = json.Unmarshal([]byte(alert), &rule)
+		if err != nil {
+			zap.L().Error("invalid rule data", zap.Error(err))
+			continue
+		}
+		if rule.AlertType == "LOGS_BASED_ALERT" {
+			alertsInfo.LogsBasedAlerts = alertsInfo.LogsBasedAlerts + 1
+		} else if rule.AlertType == "METRIC_BASED_ALERT" {
+			alertsInfo.MetricBasedAlerts = alertsInfo.MetricBasedAlerts + 1
+		} else if rule.AlertType == "TRACES_BASED_ALERT" {
+			alertsInfo.TracesBasedAlerts = alertsInfo.TracesBasedAlerts + 1
+		}
+		alertsInfo.TotalAlerts = alertsInfo.TotalAlerts + 1
+	}
+
+	return &alertsInfo, nil
+}

pkg/query-service/rules/manager.go

@@ -25,6 +25,7 @@ import (
 	"go.signoz.io/signoz/pkg/query-service/interfaces"
 	"go.signoz.io/signoz/pkg/query-service/model"
 	v3 "go.signoz.io/signoz/pkg/query-service/model/v3"
+	"go.signoz.io/signoz/pkg/query-service/telemetry"
 	"go.signoz.io/signoz/pkg/query-service/utils/labels"
 )
 
@@ -112,6 +113,8 @@ func NewManager(o *ManagerOptions) (*Manager, error) {
 
 	db := NewRuleDB(o.DBConn)
 
+	telemetry.GetInstance().SetAlertsInfoCallback(db.GetAlertsInfo)
+
 	m := &Manager{
 		tasks:        map[string]Task{},
 		rules:        map[string]Rule{},

pkg/query-service/telemetry/telemetry.go

@@ -185,6 +185,12 @@ type Telemetry struct {
 	patTokenUser  bool
 	countUsers    int8
 	mutex         sync.RWMutex
+
+	alertsInfoCallback func(ctx context.Context) (*model.AlertsInfo, error)
+}
+
+func (a *Telemetry) SetAlertsInfoCallback(callback func(ctx context.Context) (*model.AlertsInfo, error)) {
+	a.alertsInfoCallback = callback
 }
 
 func createTelemetry() {
@@ -310,7 +316,7 @@ func createTelemetry() {
 						telemetry.SendEvent(TELEMETRY_EVENT_HEART_BEAT, data, user.Email, false, false)
 					}
 				}
-				alertsInfo, err := telemetry.reader.GetAlertsInfo(context.Background())
+				alertsInfo, err := telemetry.alertsInfoCallback(context.Background())
 				if err == nil {
 					dashboardsInfo, err := telemetry.reader.GetDashboardsInfo(context.Background())
 					if err == nil {