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zlog.go
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zlog.go
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package logger
import (
"os"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"gopkg.in/natefinch/lumberjack.v2"
)
var zlog *zap.Logger
// Sugar for default logger
var Sugar *zap.SugaredLogger
var infoFileConfig = lumberjack.Logger{
Filename: "info.log",
MaxSize: 1024 * 2, // 2GB
MaxBackups: 5,
MaxAge: 7,
Compress: true,
}
var errorFileConfig = lumberjack.Logger{
Filename: "error.log",
MaxSize: 1024 * 2, // 2GB
MaxBackups: 5,
MaxAge: 7,
Compress: true,
}
// Setting return a optional logger instance
func Setting() *zap.Logger {
cores := []zapcore.Core{}
config := zap.NewProductionEncoderConfig()
// config.EncodeTime = zapcore.ISO8601TimeEncoder
// config.EncodeTime = zapcore.RFC3339TimeEncoder
// config.EncodeTime = zapcore.RFC3339NanoTimeEncoder
config.EncodeTime = zapcore.TimeEncoderOfLayout("2006-01-02 15:04:05")
config.EncodeCaller = zapcore.ShortCallerEncoder
// config.EncodeCaller = zapcore.FullCallerEncoder
config.EncodeLevel = zapcore.CapitalColorLevelEncoder
encoder := zapcore.NewConsoleEncoder(config)
high := zap.LevelEnablerFunc(func(level zapcore.Level) bool {
return level >= zap.ErrorLevel
})
low := zap.LevelEnablerFunc(func(level zapcore.Level) bool {
return level >= zap.DebugLevel && level < zap.ErrorLevel
})
infoFileSyncer := zapcore.AddSync(&infoFileConfig)
errorFileSyncer := zapcore.AddSync(&errorFileConfig)
infoFileCore := zapcore.NewCore(encoder, zapcore.NewMultiWriteSyncer(
infoFileSyncer, zapcore.AddSync(os.Stdout)), low)
errorFileCore := zapcore.NewCore(encoder, zapcore.NewMultiWriteSyncer(
errorFileSyncer, zapcore.AddSync(os.Stdout)), high)
cores = append(cores, infoFileCore, errorFileCore)
return zap.New(zapcore.NewTee(cores...), zap.AddCaller())
}
// Sync calls zap Sync method to flush buffered log entries.
// Applications should take care to call Sync before exit.
func Sync() { zlog.Sync() }