remove util/log in favour of logger (#23)

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

util/log/README.md

@@ -1,17 +0,0 @@
-# Log
-
-DEPRECATED: use github.com/micro/go-micro/v3/logger interface
-
-This is the global logger for all micro based libraries.
-
-## Set Logger
-
-Set the logger for micro libraries
-
-```go
-// import go-micro/util/log
-import "github.com/micro/go-micro/util/log"
-
-// SetLogger expects github.com/micro/go-micro/debug/log.Log interface
-log.SetLogger(mylogger)
-```

util/log/log.go

@@ -1,228 +0,0 @@
-// Package log is a global internal logger
-// DEPRECATED: this is frozen package, use github.com/unistack-org/micro/v3/logger
-package log
-
-import (
-	"fmt"
-	"os"
-	"sync/atomic"
-
-	dlog "github.com/unistack-org/micro/v3/debug/log"
-	nlog "github.com/unistack-org/micro/v3/logger"
-)
-
-// level is a log level
-type Level int32
-
-const (
-	LevelFatal Level = iota
-	LevelError
-	LevelWarn
-	LevelInfo
-	LevelDebug
-	LevelTrace
-)
-
-type elog struct {
-	dlog dlog.Log
-}
-
-var (
-	// the local logger
-	logger dlog.Log = &elog{}
-
-	// default log level is info
-	level = LevelInfo
-
-	// prefix for all messages
-	prefix string
-)
-
-func levelToLevel(l Level) nlog.Level {
-	switch l {
-	case LevelTrace:
-		return nlog.TraceLevel
-	case LevelDebug:
-		return nlog.DebugLevel
-	case LevelWarn:
-		return nlog.WarnLevel
-	case LevelInfo:
-		return nlog.InfoLevel
-	case LevelError:
-		return nlog.ErrorLevel
-	case LevelFatal:
-		return nlog.FatalLevel
-	}
-	return nlog.InfoLevel
-}
-
-func init() {
-	switch os.Getenv("MICRO_LOG_LEVEL") {
-	case "trace":
-		level = LevelTrace
-	case "debug":
-		level = LevelDebug
-	case "warn":
-		level = LevelWarn
-	case "info":
-		level = LevelInfo
-	case "error":
-		level = LevelError
-	case "fatal":
-		level = LevelFatal
-	}
-}
-
-func (l Level) String() string {
-	switch l {
-	case LevelTrace:
-		return "trace"
-	case LevelDebug:
-		return "debug"
-	case LevelWarn:
-		return "warn"
-	case LevelInfo:
-		return "info"
-	case LevelError:
-		return "error"
-	case LevelFatal:
-		return "fatal"
-	default:
-		return "unknown"
-	}
-}
-
-func (el *elog) Read(opt ...dlog.ReadOption) ([]dlog.Record, error) {
-	return el.dlog.Read(opt...)
-}
-
-func (el *elog) Write(r dlog.Record) error {
-	return el.dlog.Write(r)
-}
-
-func (el *elog) Stream() (dlog.Stream, error) {
-	return el.dlog.Stream()
-}
-
-// Log makes use of github.com/micro/debug/log
-func Log(v ...interface{}) {
-	if len(prefix) > 0 {
-		v = append([]interface{}{prefix, " "}, v...)
-	}
-	nlog.DefaultLogger.Log(levelToLevel(level), v)
-}
-
-// Logf makes use of github.com/micro/debug/log
-func Logf(format string, v ...interface{}) {
-	if len(prefix) > 0 {
-		format = prefix + " " + format
-	}
-	nlog.DefaultLogger.Log(levelToLevel(level), format, v)
-}
-
-// WithLevel logs with the level specified
-func WithLevel(l Level, v ...interface{}) {
-	if l > level {
-		return
-	}
-	Log(v...)
-}
-
-// WithLevel logs with the level specified
-func WithLevelf(l Level, format string, v ...interface{}) {
-	if l > level {
-		return
-	}
-	Logf(format, v...)
-}
-
-// Trace provides trace level logging
-func Trace(v ...interface{}) {
-	WithLevel(LevelTrace, v...)
-}
-
-// Tracef provides trace level logging
-func Tracef(format string, v ...interface{}) {
-	WithLevelf(LevelTrace, format, v...)
-}
-
-// Debug provides debug level logging
-func Debug(v ...interface{}) {
-	WithLevel(LevelDebug, v...)
-}
-
-// Debugf provides debug level logging
-func Debugf(format string, v ...interface{}) {
-	WithLevelf(LevelDebug, format, v...)
-}
-
-// Warn provides warn level logging
-func Warn(v ...interface{}) {
-	WithLevel(LevelWarn, v...)
-}
-
-// Warnf provides warn level logging
-func Warnf(format string, v ...interface{}) {
-	WithLevelf(LevelWarn, format, v...)
-}
-
-// Info provides info level logging
-func Info(v ...interface{}) {
-	WithLevel(LevelInfo, v...)
-}
-
-// Infof provides info level logging
-func Infof(format string, v ...interface{}) {
-	WithLevelf(LevelInfo, format, v...)
-}
-
-// Error provides warn level logging
-func Error(v ...interface{}) {
-	WithLevel(LevelError, v...)
-}
-
-// Errorf provides warn level logging
-func Errorf(format string, v ...interface{}) {
-	WithLevelf(LevelError, format, v...)
-}
-
-// Fatal logs with Log and then exits with os.Exit(1)
-func Fatal(v ...interface{}) {
-	WithLevel(LevelFatal, v...)
-}
-
-// Fatalf logs with Logf and then exits with os.Exit(1)
-func Fatalf(format string, v ...interface{}) {
-	WithLevelf(LevelFatal, format, v...)
-}
-
-// SetLogger sets the local logger
-func SetLogger(l dlog.Log) {
-	logger = l
-}
-
-// GetLogger returns the local logger
-func GetLogger() dlog.Log {
-	return logger
-}
-
-// SetLevel sets the log level
-func SetLevel(l Level) {
-	atomic.StoreInt32((*int32)(&level), int32(l))
-	nlog.Init(nlog.WithLevel(levelToLevel(l)))
-}
-
-// GetLevel returns the current level
-func GetLevel() Level {
-	return level
-}
-
-// Set a prefix for the logger
-func SetPrefix(p string) {
-	prefix = p
-}
-
-// Set service name
-func Name(name string) {
-	prefix = fmt.Sprintf("[%s]", name)
-}

util/log/log_test.go

@@ -1,13 +0,0 @@
-package log
-
-import (
-	"testing"
-)
-
-func TestDebug(t *testing.T) {
-	SetLevel(LevelDebug)
-	Debug(123)
-}
-func TestMain(m *testing.M) {
-	m.Run()
-}