Storage Api: Adds traces (#85391)

- adds traces and improved logging to the unified storage server
- add a configurable logger to the gRPC server service

pkg/setting/setting.go

@@ -470,9 +470,10 @@ type Cfg struct {
 	RBACSingleOrganization bool
 
 	// GRPC Server.
-	GRPCServerNetwork   string
-	GRPCServerAddress   string
-	GRPCServerTLSConfig *tls.Config
+	GRPCServerNetwork       string
+	GRPCServerAddress       string
+	GRPCServerTLSConfig     *tls.Config
+	GRPCServerEnableLogging bool // log request and response of each unary gRPC call
 
 	CustomResponseHeaders map[string]string
 
@@ -1756,6 +1757,7 @@ func readGRPCServerSettings(cfg *Cfg, iniFile *ini.File) error {
 
 	cfg.GRPCServerNetwork = valueAsString(server, "network", "tcp")
 	cfg.GRPCServerAddress = valueAsString(server, "address", "")
+	cfg.GRPCServerEnableLogging = server.Key("enable_logging").MustBool(false)
 	switch cfg.GRPCServerNetwork {
 	case "unix":
 		if cfg.GRPCServerAddress != "" {