prune util/log and user logger (#1237)
* prune util/log and user logger Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org> * plaintext logger Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org> * add newline Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
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# Log
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This is the global logger for all micro based libraries.
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## Set Logger
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Set the logger for micro libraries
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```go
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// import go-micro/util/log
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import "github.com/micro/go-micro/util/log"
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// SetLogger expects github.com/micro/go-micro/debug/log.Log interface
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log.SetLogger(mylogger)
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```
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206
util/log/log.go
206
util/log/log.go
@@ -1,206 +0,0 @@
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// Package log is a global internal logger
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package log
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import (
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"fmt"
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"os"
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"sync/atomic"
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"time"
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"github.com/micro/go-micro/v2/debug/log"
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)
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// level is a log level
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type Level int32
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const (
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LevelFatal Level = iota
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LevelError
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LevelWarn
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LevelInfo
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LevelDebug
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LevelTrace
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)
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var (
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// the local logger
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logger log.Log = log.DefaultLog
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// default log level is info
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level = LevelInfo
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// prefix for all messages
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prefix string
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)
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func init() {
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switch os.Getenv("MICRO_LOG_LEVEL") {
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case "trace":
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level = LevelTrace
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case "debug":
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level = LevelDebug
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case "warn":
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level = LevelWarn
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case "info":
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level = LevelInfo
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case "error":
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level = LevelError
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case "fatal":
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level = LevelFatal
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}
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}
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func (l Level) String() string {
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switch l {
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case LevelTrace:
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return "trace"
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case LevelDebug:
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return "debug"
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case LevelWarn:
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return "warn"
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case LevelInfo:
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return "info"
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case LevelError:
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return "error"
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case LevelFatal:
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return "fatal"
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default:
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return "unknown"
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}
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}
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// Log makes use of github.com/micro/debug/log
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func Log(v ...interface{}) {
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if len(prefix) > 0 {
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v = append([]interface{}{prefix, " "}, v...)
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}
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logger.Write(log.Record{
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Timestamp: time.Now(),
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Message: fmt.Sprint(v...),
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Metadata: map[string]string{
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"level": level.String(),
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},
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})
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}
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// Logf makes use of github.com/micro/debug/log
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func Logf(format string, v ...interface{}) {
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if len(prefix) > 0 {
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format = prefix + " " + format
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}
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logger.Write(log.Record{
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Timestamp: time.Now(),
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Message: fmt.Sprintf(format, v...),
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Metadata: map[string]string{
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"level": level.String(),
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},
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})
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}
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// WithLevel logs with the level specified
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func WithLevel(l Level, v ...interface{}) {
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if l > level {
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return
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}
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Log(v...)
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}
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// WithLevel logs with the level specified
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func WithLevelf(l Level, format string, v ...interface{}) {
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if l > level {
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return
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}
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Logf(format, v...)
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}
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// Trace provides trace level logging
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func Trace(v ...interface{}) {
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WithLevel(LevelTrace, v...)
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}
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// Tracef provides trace level logging
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func Tracef(format string, v ...interface{}) {
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WithLevelf(LevelTrace, format, v...)
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}
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// Debug provides debug level logging
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func Debug(v ...interface{}) {
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WithLevel(LevelDebug, v...)
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}
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// Debugf provides debug level logging
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func Debugf(format string, v ...interface{}) {
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WithLevelf(LevelDebug, format, v...)
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}
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// Warn provides warn level logging
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func Warn(v ...interface{}) {
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WithLevel(LevelWarn, v...)
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}
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// Warnf provides warn level logging
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func Warnf(format string, v ...interface{}) {
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WithLevelf(LevelWarn, format, v...)
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}
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// Info provides info level logging
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func Info(v ...interface{}) {
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WithLevel(LevelInfo, v...)
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}
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// Infof provides info level logging
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func Infof(format string, v ...interface{}) {
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WithLevelf(LevelInfo, format, v...)
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}
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// Error provides warn level logging
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func Error(v ...interface{}) {
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WithLevel(LevelError, v...)
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}
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// Errorf provides warn level logging
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func Errorf(format string, v ...interface{}) {
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WithLevelf(LevelError, format, v...)
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}
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// Fatal logs with Log and then exits with os.Exit(1)
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func Fatal(v ...interface{}) {
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WithLevel(LevelFatal, v...)
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os.Exit(1)
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}
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// Fatalf logs with Logf and then exits with os.Exit(1)
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func Fatalf(format string, v ...interface{}) {
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WithLevelf(LevelFatal, format, v...)
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os.Exit(1)
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}
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// SetLogger sets the local logger
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func SetLogger(l log.Log) {
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logger = l
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}
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// GetLogger returns the local logger
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func GetLogger() log.Log {
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return logger
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}
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// SetLevel sets the log level
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func SetLevel(l Level) {
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atomic.StoreInt32((*int32)(&level), int32(l))
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}
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// GetLevel returns the current level
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func GetLevel() Level {
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return level
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}
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// Set a prefix for the logger
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func SetPrefix(p string) {
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prefix = p
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}
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// Set service name
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func Name(name string) {
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prefix = fmt.Sprintf("[%s]", name)
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}
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