Trace back everything (tested)

Signed-off-by: Asai Neko <sugar@sne.moe>

data/drivers/redis.go

@@ -6,9 +6,14 @@ import (
 
 	"github.com/redis/go-redis/extra/redisotel/v9"
 	"github.com/redis/go-redis/v9"
+	"github.com/spf13/viper"
+	"go.opentelemetry.io/otel/attribute"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 func Redis(dsn RedisDSN) (redis.UniversalClient, error) {
+	serviceName := viper.GetString("cache.service_name")
+
 	// Connect to Redis
 	rdb := redis.NewUniversalClient(&redis.UniversalOptions{
 		Addrs:      dsn.Hosts,
@@ -18,17 +23,22 @@ func Redis(dsn RedisDSN) (redis.UniversalClient, error) {
 		DB:         dsn.DB,
 	})
 
-	if err := redisotel.InstrumentMetrics(rdb); err != nil {
-		slog.Error("[Redis] Error starting otel metrics plugin!", "err", err)
+	attrs := []attribute.KeyValue{
+		semconv.DBSystemRedis,
+		attribute.String("db.instance", serviceName),
 	}
 
-	if err := redisotel.InstrumentTracing(rdb); err != nil {
-		slog.Error("[Redis] Error starting otel tracing plugin!", "err", err)
+	if err := redisotel.InstrumentMetrics(rdb, redisotel.WithAttributes(attrs...)); err != nil {
+		slog.Error("[Redis] Error starting otel metrics plugin!", "name", serviceName, "err", err)
 	}
 
+	if err := redisotel.InstrumentTracing(rdb, redisotel.WithAttributes(attrs...)); err != nil {
+		slog.Error("[Redis] Error starting otel tracing plugin!", "name", serviceName, "err", err)
+	}
+
+	// Ping redis
 	ctx := context.Background()
-
-	// Ping Redis
 	_, err := rdb.Ping(ctx).Result()
+
 	return rdb, err
 }