add service name attribute and fix context for flush

cmd/themis-server/main.go

@@ -26,6 +26,7 @@ import (
 	"go.opentelemetry.io/otel/propagation"
 	"go.opentelemetry.io/otel/sdk/resource"
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 	"go.opentelemetry.io/otel/trace"
 	"go.wperron.io/sqliteexporter"
 
@@ -802,7 +803,7 @@ func registerHandlers(sess *discordgo.Session, handlers map[string]Handler) {
 				log.Debug().Ctx(ctx).Str("value", sub).Msg("flush modal submitted")
 
 				if sub == "y" || sub == "ye" || sub == "yes" {
-					err := store.Flush(context.Background(), i.Member.User.ID)
+					err := store.Flush(ctx, i.Member.User.ID)
 					msg := "Flushed all claims!"
 					if err != nil {
 						log.Error().Ctx(ctx).Err(err).Msg("failed to flush claims")
@@ -1022,6 +1023,7 @@ func initTracing(db *sql.DB) {
 		resource.WithOS(),
 		resource.WithProcess(),
 		resource.WithTelemetrySDK(),
+		resource.WithAttributes(semconv.ServiceName("themis")),
 	)
 
 	ex, err := sqliteexporter.NewSqliteSDKTraceExporterWithDB(db)