logger: slog improve

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

broker/memory.go

@@ -190,7 +190,7 @@ func (m *MemoryBroker) Publish(ctx context.Context, message interface{}, opts ..
 						} else {
 							if sub.opts.AutoAck {
 								if err = p.Ack(); err != nil {
-									m.opts.Logger.Errorf(m.opts.Context, "ack failed: %v", err)
+									m.opts.Logger.Error(m.opts.Context, "ack failed: "+err.Error())
 									m.opts.Meter.Counter(semconv.SubscribeMessageTotal, "endpoint", t, "status", "failure").Inc()
 								} else {
 									m.opts.Meter.Counter(semconv.SubscribeMessageTotal, "endpoint", t, "status", "success").Inc()

config/config.go

@@ -133,7 +133,7 @@ var (
 				return nil
 			}
 			if err := fn(ctx, c); err != nil {
-				c.Options().Logger.Errorf(ctx, "%s BeforeLoad err: %v", c.String(), err)
+				c.Options().Logger.Error(ctx, c.String()+" BeforeLoad error "+err.Error())
 				if !c.Options().AllowFail {
 					return err
 				}
@@ -148,7 +148,7 @@ var (
 				return nil
 			}
 			if err := fn(ctx, c); err != nil {
-				c.Options().Logger.Errorf(ctx, "%s AfterLoad err: %v", c.String(), err)
+				c.Options().Logger.Error(ctx, c.String()+" AfterLoad error "+err.Error())
 				if !c.Options().AllowFail {
 					return err
 				}
@@ -163,7 +163,7 @@ var (
 				return nil
 			}
 			if err := fn(ctx, c); err != nil {
-				c.Options().Logger.Errorf(ctx, "%s BeforeSave err: %v", c.String(), err)
+				c.Options().Logger.Error(ctx, c.String()+" BeforeSave error "+err.Error())
 				if !c.Options().AllowFail {
 					return err
 				}
@@ -178,7 +178,7 @@ var (
 				return nil
 			}
 			if err := fn(ctx, c); err != nil {
-				c.Options().Logger.Errorf(ctx, "%s AfterSave err: %v", c.String(), err)
+				c.Options().Logger.Error(ctx, c.String()+" AfterSave error "+err.Error())
 				if !c.Options().AllowFail {
 					return err
 				}
@@ -193,7 +193,7 @@ var (
 				return nil
 			}
 			if err := fn(ctx, c); err != nil {
-				c.Options().Logger.Errorf(ctx, "%s BeforeInit err: %v", c.String(), err)
+				c.Options().Logger.Error(ctx, c.String()+" BeforeInit error "+err.Error())
 				if !c.Options().AllowFail {
 					return err
 				}
@@ -208,7 +208,7 @@ var (
 				return nil
 			}
 			if err := fn(ctx, c); err != nil {
-				c.Options().Logger.Errorf(ctx, "%s AfterInit err: %v", c.String(), err)
+				c.Options().Logger.Error(ctx, c.String()+" AfterInit error "+err.Error())
 				if !c.Options().AllowFail {
 					return err
 				}

flow/default.go

@@ -190,7 +190,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 	steps, err := w.getSteps(options.Start, options.Reverse)
 	if err != nil {
 		if werr := workflowStore.Write(w.opts.Context, "status", &codec.Frame{Data: []byte(StatusPending.String())}); werr != nil {
-			w.opts.Logger.Errorf(w.opts.Context, "store error: %v", werr)
+			w.opts.Logger.Error(w.opts.Context, "store write error", "error", werr.Error())
 		}
 		return "", err
 	}
@@ -214,7 +214,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 	done := make(chan struct{})
 
 	if werr := workflowStore.Write(w.opts.Context, "status", &codec.Frame{Data: []byte(StatusRunning.String())}); werr != nil {
-		w.opts.Logger.Errorf(w.opts.Context, "store error: %v", werr)
+		w.opts.Logger.Error(w.opts.Context, "store write error", "error", werr.Error())
 		return eid, werr
 	}
 	for idx := range steps {
@@ -239,7 +239,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 					return
 				}
 				if w.opts.Logger.V(logger.TraceLevel) {
-					w.opts.Logger.Tracef(nctx, "will be executed %v", steps[idx][nidx])
+					w.opts.Logger.Trace(nctx, fmt.Sprintf("step will be executed %v", steps[idx][nidx]))
 				}
 				cstep := steps[idx][nidx]
 				// nolint: nestif
@@ -259,21 +259,21 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 						if serr != nil {
 							step.SetStatus(StatusFailure)
 							if werr := stepStore.Write(ctx, step.ID()+w.opts.Store.Options().Separator+"rsp", serr); werr != nil && w.opts.Logger.V(logger.ErrorLevel) {
-								w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+								w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 							}
 							if werr := stepStore.Write(ctx, step.ID()+w.opts.Store.Options().Separator+"status", &codec.Frame{Data: []byte(StatusFailure.String())}); werr != nil && w.opts.Logger.V(logger.ErrorLevel) {
-								w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+								w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 							}
 							cherr <- serr
 							return
 						}
 						if werr := stepStore.Write(ctx, step.ID()+w.opts.Store.Options().Separator+"rsp", rsp); werr != nil {
-							w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+							w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 							cherr <- werr
 							return
 						}
 						if werr := stepStore.Write(ctx, step.ID()+w.opts.Store.Options().Separator+"status", &codec.Frame{Data: []byte(StatusSuccess.String())}); werr != nil {
-							w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+							w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 							cherr <- werr
 							return
 						}
@@ -292,16 +292,16 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 					if serr != nil {
 						cstep.SetStatus(StatusFailure)
 						if werr := stepStore.Write(ctx, cstep.ID()+w.opts.Store.Options().Separator+"rsp", serr); werr != nil && w.opts.Logger.V(logger.ErrorLevel) {
-							w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+							w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 						}
 						if werr := stepStore.Write(ctx, cstep.ID()+w.opts.Store.Options().Separator+"status", &codec.Frame{Data: []byte(StatusFailure.String())}); werr != nil && w.opts.Logger.V(logger.ErrorLevel) {
-							w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+							w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 						}
 						cherr <- serr
 						return
 					}
 					if werr := stepStore.Write(ctx, cstep.ID()+w.opts.Store.Options().Separator+"rsp", rsp); werr != nil {
-						w.opts.Logger.Errorf(ctx, "store write error: %v", werr)
+						w.opts.Logger.Error(ctx, "store write error", "error", werr.Error())
 						cherr <- werr
 						return
 					}
@@ -319,7 +319,7 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 		return eid, nil
 	}
 
-	logger.Tracef(ctx, "wait for finish or error")
+	w.opts.Logger.Trace(ctx, "wait for finish or error")
 	select {
 	case <-nctx.Done():
 		err = nctx.Err()
@@ -335,15 +335,15 @@ func (w *microWorkflow) Execute(ctx context.Context, req *Message, opts ...optio
 	switch {
 	case nctx.Err() != nil:
 		if werr := workflowStore.Write(w.opts.Context, "status", &codec.Frame{Data: []byte(StatusAborted.String())}); werr != nil {
-			w.opts.Logger.Errorf(w.opts.Context, "store error: %v", werr)
+			w.opts.Logger.Error(w.opts.Context, "store write error", "error", werr.Error())
 		}
 	case err == nil:
 		if werr := workflowStore.Write(w.opts.Context, "status", &codec.Frame{Data: []byte(StatusSuccess.String())}); werr != nil {
-			w.opts.Logger.Errorf(w.opts.Context, "store error: %v", werr)
+			w.opts.Logger.Error(w.opts.Context, "store write error", "error", werr.Error())
 		}
 	case err != nil:
 		if werr := workflowStore.Write(w.opts.Context, "status", &codec.Frame{Data: []byte(StatusFailure.String())}); werr != nil {
-			w.opts.Logger.Errorf(w.opts.Context, "store error: %v", werr)
+			w.opts.Logger.Error(w.opts.Context, "store write error", "error", werr.Error())
 		}
 	}
 

go.mod

@@ -8,7 +8,6 @@ require (
 	github.com/google/uuid v1.3.1
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9
 	golang.org/x/sync v0.3.0
 	golang.org/x/sys v0.12.0
 	google.golang.org/grpc v1.58.2

go.sum

@@ -13,8 +13,6 @@ github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaR
 github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
 github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5 h1:G/FZtUu7a6NTWl3KUHMV9jkLAh/Rvtf03NWMHaEDl+E=
 github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
-golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
 golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=

logger/logger.go

@@ -32,33 +32,19 @@ type Logger interface {
 	// Fields set fields to always be logged with keyval pairs
 	Fields(fields ...interface{}) Logger
 	// Info level message
-	Info(ctx context.Context, args ...interface{})
-	// Trace level message
-	Trace(ctx context.Context, args ...interface{})
-	// Debug level message
-	Debug(ctx context.Context, args ...interface{})
-	// Warn level message
-	Warn(ctx context.Context, args ...interface{})
-	// Error level message
-	Error(ctx context.Context, args ...interface{})
-	// Fatal level message
-	Fatal(ctx context.Context, args ...interface{})
-	// Infof level message
-	Infof(ctx context.Context, msg string, args ...interface{})
+	Info(ctx context.Context, msg string, args ...interface{})
 	// Tracef level message
-	Tracef(ctx context.Context, msg string, args ...interface{})
+	Trace(ctx context.Context, msg string, args ...interface{})
 	// Debug level message
-	Debugf(ctx context.Context, msg string, args ...interface{})
+	Debug(ctx context.Context, msg string, args ...interface{})
 	// Warn level message
-	Warnf(ctx context.Context, msg string, args ...interface{})
+	Warn(ctx context.Context, msg string, args ...interface{})
 	// Error level message
-	Errorf(ctx context.Context, msg string, args ...interface{})
+	Error(ctx context.Context, msg string, args ...interface{})
 	// Fatal level message
-	Fatalf(ctx context.Context, msg string, args ...interface{})
+	Fatal(ctx context.Context, msg string, args ...interface{})
 	// Log logs message with needed level
-	Log(ctx context.Context, level Level, args ...interface{})
-	// Logf logs message with needed level
-	Logf(ctx context.Context, level Level, msg string, args ...interface{})
+	Log(ctx context.Context, level Level, msg string, args ...interface{})
 	// String returns the name of logger
 	String() string
 }
@@ -66,64 +52,34 @@ type Logger interface {
 // Field contains keyval pair
 type Field interface{}
 
-// Info writes msg to default logger on info level
-func Info(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Info(ctx, args...)
+// Info writes formatted msg to default logger on info level
+func Info(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Info(ctx, msg, args...)
 }
 
-// Error writes msg to default logger on error level
-func Error(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Error(ctx, args...)
-}
-
-// Debug writes msg to default logger on debug level
-func Debug(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Debug(ctx, args...)
-}
-
-// Warn writes msg to default logger on warn level
-func Warn(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Warn(ctx, args...)
-}
-
-// Trace writes msg to default logger on trace level
-func Trace(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Trace(ctx, args...)
-}
-
-// Fatal writes msg to default logger on fatal level
-func Fatal(ctx context.Context, args ...interface{}) {
-	DefaultLogger.Fatal(ctx, args...)
-}
-
-// Infof writes formatted msg to default logger on info level
-func Infof(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Infof(ctx, msg, args...)
-}
-
-// Errorf writes formatted msg to default logger on error level
-func Errorf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Errorf(ctx, msg, args...)
+// Error writes formatted msg to default logger on error level
+func Error(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Error(ctx, msg, args...)
 }
 
 // Debugf writes formatted msg to default logger on debug level
 func Debugf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Debugf(ctx, msg, args...)
+	DefaultLogger.Debug(ctx, msg, args...)
 }
 
-// Warnf writes formatted msg to default logger on warn level
-func Warnf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Warnf(ctx, msg, args...)
+// Warn writes formatted msg to default logger on warn level
+func Warn(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Warn(ctx, msg, args...)
 }
 
-// Tracef writes formatted msg to default logger on trace level
-func Tracef(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Tracef(ctx, msg, args...)
+// Trace writes formatted msg to default logger on trace level
+func Trace(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Trace(ctx, msg, args...)
 }
 
-// Fatalf writes formatted msg to default logger on fatal level
-func Fatalf(ctx context.Context, msg string, args ...interface{}) {
-	DefaultLogger.Fatalf(ctx, msg, args...)
+// Fatal writes formatted msg to default logger on fatal level
+func Fatal(ctx context.Context, msg string, args ...interface{}) {
+	DefaultLogger.Fatal(ctx, msg, args...)
 }
 
 // V returns true if passed level enabled in default logger

logger/logger_test.go

@@ -94,7 +94,7 @@ func TestRedirectStdLogger(t *testing.T) {
 	fn := RedirectStdLogger(l, ErrorLevel)
 	defer fn()
 	log.Print("test")
-	if !bytes.Contains(buf.Bytes(), []byte(`"level":"error","msg":"test"`)) {
+	if !(bytes.Contains(buf.Bytes(), []byte(`"level":"error"`)) && bytes.Contains(buf.Bytes(), []byte(`"msg":"test"`))) {
 		t.Fatalf("logger error, buf %s", buf.Bytes())
 	}
 }
@@ -107,7 +107,7 @@ func TestStdLogger(t *testing.T) {
 	}
 	lg := NewStdLogger(l, ErrorLevel)
 	lg.Print("test")
-	if !bytes.Contains(buf.Bytes(), []byte(`"level":"error","msg":"test"`)) {
+	if !(bytes.Contains(buf.Bytes(), []byte(`"level":"error"`)) && bytes.Contains(buf.Bytes(), []byte(`"msg":"test"`))) {
 		t.Fatalf("logger error, buf %s", buf.Bytes())
 	}
 }
@@ -120,21 +120,20 @@ func TestLogger(t *testing.T) {
 		t.Fatal(err)
 	}
 	l.Trace(ctx, "trace_msg1")
-	//	l.Warn(ctx, "warn_msg1")
-	//	l.Fields("error", "test").Info(ctx, "error message")
-	//	l.Warn(ctx, "first second")
-	if !bytes.Contains(buf.Bytes(), []byte(`"level":"trace","msg":"trace_msg1"`)) {
+	l.Warn(ctx, "warn_msg1")
+	l.Fields("error", "test").Info(ctx, "error message")
+	l.Warn(ctx, "first second")
+
+	if !(bytes.Contains(buf.Bytes(), []byte(`"level":"trace"`)) && bytes.Contains(buf.Bytes(), []byte(`"msg":"trace_msg1"`))) {
 		t.Fatalf("logger tracer, buf %s", buf.Bytes())
 	}
-	/*
-		if !bytes.Contains(buf.Bytes(), []byte(`"warn","msg":"warn_msg1"`)) {
-			t.Fatalf("logger warn, buf %s", buf.Bytes())
-		}
-		if !bytes.Contains(buf.Bytes(), []byte(`"error":"test","level":"info","msg":"error message"`)) {
-			t.Fatalf("logger info, buf %s", buf.Bytes())
-		}
-		if !bytes.Contains(buf.Bytes(), []byte(`"level":"warn","msg":"first second"`)) {
-			t.Fatalf("logger warn, buf %s", buf.Bytes())
-		}
-	*/
+	if !(bytes.Contains(buf.Bytes(), []byte(`"level":"warn"`)) && bytes.Contains(buf.Bytes(), []byte(`"msg":"warn_msg1"`))) {
+		t.Fatalf("logger warn, buf %s", buf.Bytes())
+	}
+	if !(bytes.Contains(buf.Bytes(), []byte(`"level":"info"`)) && bytes.Contains(buf.Bytes(), []byte(`"msg":"error message","error":"test"`))) {
+		t.Fatalf("logger info, buf %s", buf.Bytes())
+	}
+	if !(bytes.Contains(buf.Bytes(), []byte(`"level":"warn"`)) && bytes.Contains(buf.Bytes(), []byte(`"msg":"first second"`))) {
+		t.Fatalf("logger warn, buf %s", buf.Bytes())
+	}
 }

logger/slog.go

@@ -2,12 +2,13 @@ package logger
 
 import (
 	"context"
-	"fmt"
+	"log/slog"
 	"os"
+	"runtime"
+	"strconv"
+	"time"
 
 	"go.unistack.org/micro/v4/options"
-
-	"golang.org/x/exp/slog"
 )
 
 var (
@@ -21,6 +22,13 @@ var (
 
 var renameAttr = func(_ []string, a slog.Attr) slog.Attr {
 	switch a.Key {
+	case slog.SourceKey:
+		source := a.Value.Any().(*slog.Source)
+		a.Value = slog.StringValue(source.File + ":" + strconv.Itoa(source.Line))
+		a.Key = "caller"
+		// add func?
+		// "trace": "<traceid>",
+		// "span": "<spanid>",
 	case slog.TimeKey:
 		a.Key = "timestamp"
 	case slog.LevelKey:
@@ -73,6 +81,7 @@ func (s *slogLogger) Clone(opts ...options.Option) Logger {
 	handleOpt := &slog.HandlerOptions{
 		ReplaceAttr: renameAttr,
 		Level:       l.leveler,
+		AddSource:   true,
 	}
 	l.leveler.Set(loggerToSlogLevel(l.opts.Level))
 	handler := slog.NewJSONHandler(options.Out, handleOpt)
@@ -101,6 +110,7 @@ func (s *slogLogger) Fields(fields ...interface{}) Logger {
 	handleOpt := &slog.HandlerOptions{
 		ReplaceAttr: renameAttr,
 		Level:       s.leveler,
+		AddSource:   true,
 	}
 
 	handler := slog.NewJSONHandler(s.opts.Out, handleOpt)
@@ -125,6 +135,7 @@ func (s *slogLogger) Init(opts ...options.Option) error {
 	handleOpt := &slog.HandlerOptions{
 		ReplaceAttr: renameAttr,
 		Level:       s.leveler,
+		AddSource:   true,
 	}
 	s.leveler.Set(loggerToSlogLevel(s.opts.Level))
 	handler := slog.NewJSONHandler(s.opts.Out, handleOpt)
@@ -133,70 +144,82 @@ func (s *slogLogger) Init(opts ...options.Option) error {
 	return nil
 }
 
-func (s *slogLogger) Log(ctx context.Context, lvl Level, args ...any) {
+func (s *slogLogger) Log(ctx context.Context, lvl Level, msg string, args ...any) {
 	if !s.V(lvl) {
 		return
 	}
-	slvl := loggerToSlogLevel(lvl)
-	msg := fmt.Sprint(args...)
-	s.slog.Log(ctx, slvl, msg)
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), loggerToSlogLevel(lvl), msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 }
 
-func (s *slogLogger) Logf(ctx context.Context, lvl Level, format string, args ...any) {
-	if !s.V(lvl) {
+func (s *slogLogger) Info(ctx context.Context, msg string, args ...interface{}) {
+	if !s.V(InfoLevel) {
 		return
 	}
-	slvl := loggerToSlogLevel(lvl)
-	s.slog.Log(ctx, slvl, format, args...)
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), slog.LevelInfo, msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 }
 
-func (s *slogLogger) Info(ctx context.Context, args ...any) {
-	s.Log(ctx, InfoLevel, args...)
+func (s *slogLogger) Debug(ctx context.Context, msg string, args ...any) {
+	if !s.V(InfoLevel) {
+		return
+	}
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), slog.LevelDebug, msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 }
 
-func (s *slogLogger) Infof(ctx context.Context, format string, args ...interface{}) {
-	s.Logf(ctx, InfoLevel, format, args...)
+func (s *slogLogger) Trace(ctx context.Context, msg string, args ...interface{}) {
+	if !s.V(InfoLevel) {
+		return
+	}
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), slog.LevelDebug-1, msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 }
 
-func (s *slogLogger) Debug(ctx context.Context, args ...any) {
-	s.Log(ctx, DebugLevel, args...)
+func (s *slogLogger) Error(ctx context.Context, msg string, args ...any) {
+	if !s.V(InfoLevel) {
+		return
+	}
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), slog.LevelError, msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 }
 
-func (s *slogLogger) Debugf(ctx context.Context, format string, args ...any) {
-	s.Logf(ctx, DebugLevel, format, args...)
-}
-
-func (s *slogLogger) Error(ctx context.Context, args ...any) {
-	s.Log(ctx, ErrorLevel, args...)
-}
-
-func (s *slogLogger) Trace(ctx context.Context, args ...interface{}) {
-	s.Log(ctx, TraceLevel, args...)
-}
-
-func (s *slogLogger) Tracef(ctx context.Context, msg string, args ...interface{}) {
-	s.Logf(ctx, TraceLevel, msg, args...)
-}
-
-func (s *slogLogger) Errorf(ctx context.Context, format string, args ...any) {
-	s.Logf(ctx, ErrorLevel, format, args...)
-}
-
-func (s *slogLogger) Fatal(ctx context.Context, args ...any) {
-	s.Log(ctx, FatalLevel, args...)
-}
-
-func (s *slogLogger) Fatalf(ctx context.Context, msg string, args ...interface{}) {
-	s.Logf(ctx, FatalLevel, msg, args...)
+func (s *slogLogger) Fatal(ctx context.Context, msg string, args ...interface{}) {
+	if !s.V(InfoLevel) {
+		return
+	}
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), slog.LevelError+1, msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 	os.Exit(1)
 }
 
-func (s *slogLogger) Warn(ctx context.Context, args ...any) {
-	s.Log(ctx, WarnLevel, args...)
-}
-
-func (s *slogLogger) Warnf(ctx context.Context, format string, args ...any) {
-	s.Logf(ctx, WarnLevel, format, args...)
+func (s *slogLogger) Warn(ctx context.Context, msg string, args ...any) {
+	if !s.V(InfoLevel) {
+		return
+	}
+	var pcs [1]uintptr
+	runtime.Callers(s.opts.CallerSkipCount, pcs[:]) // skip [Callers, Infof]
+	r := slog.NewRecord(time.Now(), slog.LevelWarn, msg, pcs[0])
+	r.Add(args...)
+	_ = s.slog.Handler().Handle(ctx, r)
 }
 
 func (s *slogLogger) String() string {

logger/stdlogger.go

@@ -12,7 +12,7 @@ type stdLogger struct {
 
 // NewStdLogger returns new *log.Logger baked by logger.Logger implementation
 func NewStdLogger(l Logger, level Level) *log.Logger {
-	return log.New(&stdLogger{l: l, level: level}, "" /* prefix */, 0 /* flags */)
+	return log.New(&stdLogger{l: l.Clone(WithCallerSkipCount(l.Options().CallerSkipCount + 1)), level: level}, "" /* prefix */, 0 /* flags */)
 }
 
 func (sl *stdLogger) Write(p []byte) (int, error) {

logger/wrapper/wrapper.go

@@ -1,298 +0,0 @@
-// Package wrapper provides wrapper for Logger
-package wrapper
-
-import (
-	"context"
-	"fmt"
-
-	"go.unistack.org/micro/v4/client"
-	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v4/options"
-	"go.unistack.org/micro/v4/server"
-)
-
-var (
-	// DefaultClientCallObserver called by wrapper in client Call
-	DefaultClientCallObserver = func(ctx context.Context, req client.Request, rsp interface{}, opts []options.Option, err error) []string {
-		labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
-		if err != nil {
-			labels = append(labels, "error", err.Error())
-		}
-		return labels
-	}
-
-	// DefaultClientStreamObserver called by wrapper in client Stream
-	DefaultClientStreamObserver = func(ctx context.Context, req client.Request, opts []options.Option, stream client.Stream, err error) []string {
-		labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
-		if err != nil {
-			labels = append(labels, "error", err.Error())
-		}
-		return labels
-	}
-
-	// DefaultServerHandlerObserver called by wrapper in server Handler
-	DefaultServerHandlerObserver = func(ctx context.Context, req server.Request, rsp interface{}, err error) []string {
-		labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
-		if err != nil {
-			labels = append(labels, "error", err.Error())
-		}
-		return labels
-	}
-
-	// DefaultClientCallFuncObserver called by wrapper in client CallFunc
-	DefaultClientCallFuncObserver = func(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions, err error) []string {
-		labels := []string{"service", req.Service(), "endpoint", req.Endpoint()}
-		if err != nil {
-			labels = append(labels, "error", err.Error())
-		}
-		return labels
-	}
-
-	// DefaultSkipEndpoints wrapper not called for this endpoints
-	DefaultSkipEndpoints = []string{"Meter.Metrics", "Health.Live", "Health.Ready", "Health.Version"}
-)
-
-type lWrapper struct {
-	client.Client
-	serverHandler  server.HandlerFunc
-	clientCallFunc client.CallFunc
-	opts           Options
-}
-
-type (
-	// ClientCallObserver func signature
-	ClientCallObserver func(context.Context, client.Request, interface{}, []options.Option, error) []string
-	// ClientStreamObserver func signature
-	ClientStreamObserver func(context.Context, client.Request, []options.Option, client.Stream, error) []string
-	// ClientCallFuncObserver func signature
-	ClientCallFuncObserver func(context.Context, string, client.Request, interface{}, client.CallOptions, error) []string
-	// ServerHandlerObserver func signature
-	ServerHandlerObserver func(context.Context, server.Request, interface{}, error) []string
-)
-
-// Options struct for wrapper
-type Options struct {
-	// Logger that used for log
-	Logger logger.Logger
-	// ServerHandlerObservers funcs
-	ServerHandlerObservers []ServerHandlerObserver
-	// ClientCallObservers funcs
-	ClientCallObservers []ClientCallObserver
-	// ClientStreamObservers funcs
-	ClientStreamObservers []ClientStreamObserver
-	// ClientCallFuncObservers funcs
-	ClientCallFuncObservers []ClientCallFuncObserver
-	// SkipEndpoints
-	SkipEndpoints []string
-	// Level for logger
-	Level logger.Level
-	// Enabled flag
-	Enabled bool
-}
-
-// Option func signature
-type Option func(*Options)
-
-// NewOptions creates Options from Option slice
-func NewOptions(opts ...Option) Options {
-	options := Options{
-		Logger:                  logger.DefaultLogger,
-		Level:                   logger.TraceLevel,
-		ClientCallObservers:     []ClientCallObserver{DefaultClientCallObserver},
-		ClientStreamObservers:   []ClientStreamObserver{DefaultClientStreamObserver},
-		ClientCallFuncObservers: []ClientCallFuncObserver{DefaultClientCallFuncObserver},
-		ServerHandlerObservers:  []ServerHandlerObserver{DefaultServerHandlerObserver},
-		SkipEndpoints:           DefaultSkipEndpoints,
-	}
-
-	for _, o := range opts {
-		o(&options)
-	}
-
-	return options
-}
-
-// WithEnabled enable/diable flag
-func WithEnabled(b bool) Option {
-	return func(o *Options) {
-		o.Enabled = b
-	}
-}
-
-// WithLevel log level
-func WithLevel(l logger.Level) Option {
-	return func(o *Options) {
-		o.Level = l
-	}
-}
-
-// WithLogger logger
-func WithLogger(l logger.Logger) Option {
-	return func(o *Options) {
-		o.Logger = l
-	}
-}
-
-// WithClientCallObservers funcs
-func WithClientCallObservers(ob ...ClientCallObserver) Option {
-	return func(o *Options) {
-		o.ClientCallObservers = ob
-	}
-}
-
-// WithClientStreamObservers funcs
-func WithClientStreamObservers(ob ...ClientStreamObserver) Option {
-	return func(o *Options) {
-		o.ClientStreamObservers = ob
-	}
-}
-
-// WithClientCallFuncObservers funcs
-func WithClientCallFuncObservers(ob ...ClientCallFuncObserver) Option {
-	return func(o *Options) {
-		o.ClientCallFuncObservers = ob
-	}
-}
-
-// WithServerHandlerObservers funcs
-func WithServerHandlerObservers(ob ...ServerHandlerObserver) Option {
-	return func(o *Options) {
-		o.ServerHandlerObservers = ob
-	}
-}
-
-// SkipEndpoins
-func SkipEndpoints(eps ...string) Option {
-	return func(o *Options) {
-		o.SkipEndpoints = append(o.SkipEndpoints, eps...)
-	}
-}
-
-func (l *lWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...options.Option) error {
-	err := l.Client.Call(ctx, req, rsp, opts...)
-
-	endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
-	for _, ep := range l.opts.SkipEndpoints {
-		if ep == endpoint {
-			return err
-		}
-	}
-
-	if !l.opts.Enabled {
-		return err
-	}
-
-	var labels []string
-	for _, o := range l.opts.ClientCallObservers {
-		labels = append(labels, o(ctx, req, rsp, opts, err)...)
-	}
-	l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
-
-	return err
-}
-
-func (l *lWrapper) Stream(ctx context.Context, req client.Request, opts ...options.Option) (client.Stream, error) {
-	stream, err := l.Client.Stream(ctx, req, opts...)
-
-	endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
-	for _, ep := range l.opts.SkipEndpoints {
-		if ep == endpoint {
-			return stream, err
-		}
-	}
-
-	if !l.opts.Enabled {
-		return stream, err
-	}
-
-	var labels []string
-	for _, o := range l.opts.ClientStreamObservers {
-		labels = append(labels, o(ctx, req, opts, stream, err)...)
-	}
-	l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
-
-	return stream, err
-}
-
-func (l *lWrapper) ServerHandler(ctx context.Context, req server.Request, rsp interface{}) error {
-	err := l.serverHandler(ctx, req, rsp)
-
-	endpoint := req.Endpoint()
-	for _, ep := range l.opts.SkipEndpoints {
-		if ep == endpoint {
-			return err
-		}
-	}
-
-	if !l.opts.Enabled {
-		return err
-	}
-
-	var labels []string
-	for _, o := range l.opts.ServerHandlerObservers {
-		labels = append(labels, o(ctx, req, rsp, err)...)
-	}
-	l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
-
-	return err
-}
-
-// NewClientWrapper accepts an open options and returns a Client Wrapper
-func NewClientWrapper(opts ...Option) client.Wrapper {
-	return func(c client.Client) client.Client {
-		options := NewOptions()
-		for _, o := range opts {
-			o(&options)
-		}
-		return &lWrapper{opts: options, Client: c}
-	}
-}
-
-// NewClientCallWrapper accepts an options and returns a Call Wrapper
-func NewClientCallWrapper(opts ...Option) client.CallWrapper {
-	return func(h client.CallFunc) client.CallFunc {
-		options := NewOptions()
-		for _, o := range opts {
-			o(&options)
-		}
-
-		l := &lWrapper{opts: options, clientCallFunc: h}
-		return l.ClientCallFunc
-	}
-}
-
-func (l *lWrapper) ClientCallFunc(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
-	err := l.clientCallFunc(ctx, addr, req, rsp, opts)
-
-	endpoint := fmt.Sprintf("%s.%s", req.Service(), req.Endpoint())
-	for _, ep := range l.opts.SkipEndpoints {
-		if ep == endpoint {
-			return err
-		}
-	}
-
-	if !l.opts.Enabled {
-		return err
-	}
-
-	var labels []string
-	for _, o := range l.opts.ClientCallFuncObservers {
-		labels = append(labels, o(ctx, addr, req, rsp, opts, err)...)
-	}
-	l.opts.Logger.Fields(labels).Log(ctx, l.opts.Level)
-
-	return err
-}
-
-// NewServerHandlerWrapper accepts an options and returns a Handler Wrapper
-func NewServerHandlerWrapper(opts ...Option) server.HandlerWrapper {
-	return func(h server.HandlerFunc) server.HandlerFunc {
-		options := NewOptions()
-		for _, o := range opts {
-			o(&options)
-		}
-
-		l := &lWrapper{opts: options, serverHandler: h}
-		return l.ServerHandler
-	}
-}

register/memory.go

@@ -63,7 +63,7 @@ func (m *memory) ttlPrune() {
 					for id, n := range record.Nodes {
 						if n.TTL != 0 && time.Since(n.LastSeen) > n.TTL {
 							if m.opts.Logger.V(logger.DebugLevel) {
-								m.opts.Logger.Debugf(m.opts.Context, "Register TTL expired for node %s of service %s", n.ID, service)
+								m.opts.Logger.Debug(m.opts.Context, "RegisterTTL expired for node "+n.ID+" of service "+service)
 							}
 							delete(m.records[domain][service][version].Nodes, id)
 						}
@@ -150,7 +150,7 @@ func (m *memory) Register(ctx context.Context, s *Service, opts ...RegisterOptio
 	if _, ok := srvs[s.Name][s.Version]; !ok {
 		srvs[s.Name][s.Version] = r
 		if m.opts.Logger.V(logger.DebugLevel) {
-			m.opts.Logger.Debugf(m.opts.Context, "Register added new service: %s, version: %s", s.Name, s.Version)
+			m.opts.Logger.Debug(m.opts.Context, "register added new service: "+s.Name+", version "+s.Version)
 		}
 		m.records[options.Domain] = srvs
 		go m.sendEvent(&Result{Action: "create", Service: s})
@@ -190,14 +190,14 @@ func (m *memory) Register(ctx context.Context, s *Service, opts ...RegisterOptio
 
 	if addedNodes {
 		if m.opts.Logger.V(logger.DebugLevel) {
-			m.opts.Logger.Debugf(m.opts.Context, "Register added new node to service: %s, version: %s", s.Name, s.Version)
+			m.opts.Logger.Debug(m.opts.Context, "register added new node to service: "+s.Name+", version "+s.Version)
 		}
 		go m.sendEvent(&Result{Action: "update", Service: s})
 	} else {
 		// refresh TTL and timestamp
 		for _, n := range s.Nodes {
 			if m.opts.Logger.V(logger.DebugLevel) {
-				m.opts.Logger.Debugf(m.opts.Context, "Updated registration for service: %s, version: %s", s.Name, s.Version)
+				m.opts.Logger.Debug(m.opts.Context, "updated registration for service: "+s.Name+", version "+s.Version)
 			}
 			srvs[s.Name][s.Version].Nodes[n.ID].TTL = options.TTL
 			srvs[s.Name][s.Version].Nodes[n.ID].LastSeen = time.Now()
@@ -242,7 +242,7 @@ func (m *memory) Deregister(ctx context.Context, s *Service, opts ...DeregisterO
 	for _, n := range s.Nodes {
 		if _, ok := version.Nodes[n.ID]; ok {
 			if m.opts.Logger.V(logger.DebugLevel) {
-				m.opts.Logger.Debugf(m.opts.Context, "Register removed node from service: %s, version: %s", s.Name, s.Version)
+				m.opts.Logger.Debug(m.opts.Context, "register removed node from service: "+s.Name+", version "+s.Version)
 			}
 			delete(version.Nodes, n.ID)
 		}
@@ -263,7 +263,7 @@ func (m *memory) Deregister(ctx context.Context, s *Service, opts ...DeregisterO
 		go m.sendEvent(&Result{Action: "delete", Service: s})
 
 		if m.opts.Logger.V(logger.DebugLevel) {
-			m.opts.Logger.Debugf(m.opts.Context, "Register removed service: %s", s.Name)
+			m.opts.Logger.Debug(m.opts.Context, "register removed service: "+s.Name)
 		}
 		return nil
 	}
@@ -272,7 +272,7 @@ func (m *memory) Deregister(ctx context.Context, s *Service, opts ...DeregisterO
 	delete(m.records[options.Domain][s.Name], s.Version)
 	go m.sendEvent(&Result{Action: "delete", Service: s})
 	if m.opts.Logger.V(logger.DebugLevel) {
-		m.opts.Logger.Debugf(m.opts.Context, "Register removed service: %s, version: %s", s.Name, s.Version)
+		m.opts.Logger.Debug(m.opts.Context, "register removed service: "+s.Name+", version "+s.Version)
 	}
 
 	return nil
@@ -467,7 +467,7 @@ func serviceToRecord(s *Service, ttl time.Duration) *record {
 	}
 
 	endpoints := make([]*Endpoint, len(s.Endpoints))
-	for i, e := range s.Endpoints {
+	for i, e := range s.Endpoints { // TODO: vtolstov use copy
 		endpoints[i] = e
 	}
 

server/noop.go

@@ -122,7 +122,7 @@ func (n *noopServer) Register() error {
 
 	if !registered {
 		if config.Logger.V(logger.InfoLevel) {
-			config.Logger.Infof(n.opts.Context, "register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].ID)
+			config.Logger.Info(n.opts.Context, "register ["+config.Register.String()+"] Registering node: "+service.Nodes[0].ID)
 		}
 	}
 
@@ -160,7 +160,7 @@ func (n *noopServer) Deregister() error {
 	}
 
 	if config.Logger.V(logger.InfoLevel) {
-		config.Logger.Infof(n.opts.Context, "deregistering node: %s", service.Nodes[0].ID)
+		config.Logger.Info(n.opts.Context, "deregistering node: "+service.Nodes[0].ID)
 	}
 
 	if err := DefaultDeregisterFunc(service, config); err != nil {
@@ -204,7 +204,7 @@ func (n *noopServer) Start() error {
 	config.Address = addr
 
 	if config.Logger.V(logger.InfoLevel) {
-		config.Logger.Infof(n.opts.Context, "server [noop] Listening on %s", config.Address)
+		config.Logger.Info(n.opts.Context, "server [noop] Listening on "+config.Address)
 	}
 
 	n.Lock()
@@ -217,13 +217,13 @@ func (n *noopServer) Start() error {
 	// nolint: nestif
 	if err := config.RegisterCheck(config.Context); err != nil {
 		if config.Logger.V(logger.ErrorLevel) {
-			config.Logger.Errorf(n.opts.Context, "server %s-%s register check error: %s", config.Name, config.ID, err)
+			config.Logger.Error(n.opts.Context, "server "+config.Name+"-"+config.ID+" register check error: "+err.Error())
 		}
 	} else {
 		// announce self to the world
 		if err := n.Register(); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
-				config.Logger.Errorf(n.opts.Context, "server register error: %v", err)
+				config.Logger.Error(n.opts.Context, "server register error: "+err.Error())
 			}
 		}
 	}
@@ -252,23 +252,23 @@ func (n *noopServer) Start() error {
 				// nolint: nestif
 				if rerr != nil && registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(n.opts.Context, "server %s-%s register check error: %s, deregister it", config.Name, config.ID, rerr)
+						config.Logger.Error(n.opts.Context, "server "+config.Name+"-"+config.ID+" register check error: ", rerr.Error())
 					}
 					// deregister self in case of error
 					if err := n.Deregister(); err != nil {
 						if config.Logger.V(logger.ErrorLevel) {
-							config.Logger.Errorf(n.opts.Context, "server %s-%s deregister error: %s", config.Name, config.ID, err)
+							config.Logger.Error(n.opts.Context, "server "+config.Name+"-"+config.ID+" deregister error: ", err.Error())
 						}
 					}
 				} else if rerr != nil && !registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(n.opts.Context, "server %s-%s register check error: %s", config.Name, config.ID, rerr)
+						config.Logger.Error(n.opts.Context, "server "+config.Name+"-"+config.ID+" register check error: ", rerr.Error())
 					}
 					continue
 				}
 				if err := n.Register(); err != nil {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(n.opts.Context, "server %s-%s register error: %s", config.Name, config.ID, err)
+						config.Logger.Error(n.opts.Context, "server "+config.Name+"-"+config.ID+" register error: ", err.Error())
 					}
 				}
 			// wait for exit
@@ -280,7 +280,7 @@ func (n *noopServer) Start() error {
 		// deregister self
 		if err := n.Deregister(); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
-				config.Logger.Errorf(n.opts.Context, "server deregister error: ", err)
+				config.Logger.Error(n.opts.Context, "server deregister error: "+err.Error())
 			}
 		}
 

service.go

@@ -258,7 +258,7 @@ func (s *service) Start() error {
 	}
 
 	if config.Loggers[0].V(logger.InfoLevel) {
-		config.Loggers[0].Infof(s.opts.Context, "starting [service] %s version %s", s.Options().Name, s.Options().Version)
+		config.Loggers[0].Info(s.opts.Context, "starting [service] "+s.Options().Name+" version "+s.Options().Version)
 	}
 
 	if len(s.opts.Servers) == 0 {
@@ -304,7 +304,7 @@ func (s *service) Stop() error {
 	s.RUnlock()
 
 	if config.Loggers[0].V(logger.InfoLevel) {
-		config.Loggers[0].Infof(s.opts.Context, "stoppping [service] %s", s.Name())
+		config.Loggers[0].Info(s.opts.Context, "stoppping [service] "+s.Name())
 	}
 
 	var err error

util/id/id.go

@@ -71,7 +71,7 @@ func New(opts ...Option) (string, error) {
 func Must(opts ...Option) string {
 	id, err := New(opts...)
 	if err != nil {
-		logger.Fatal(context.TODO(), err)
+		logger.Fatal(context.TODO(), err.Error())
 	}
 	return id
 }