/
zap.go
171 lines (159 loc) · 4.01 KB
/
zap.go
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package log
import (
"errors"
"github.com/natefinch/lumberjack"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"os"
"path/filepath"
"strings"
"sync"
"time"
)
type Options struct {
LogFileDir string `yaml:"logFileDir"`
AppName string `yaml:"appName"`
Platform string `yaml:"platform"`
MaxSize int `yaml:"maxSize"` //文件多大开始切分
MaxBackups int `yaml:"maxBackups"` //保留文件个数
MaxAge int `yaml:"maxAge"` //文件保留最大实际
Level string `yaml:"level"`
}
var (
l *Logger
sp = string(filepath.Separator)
outWrite zapcore.WriteSyncer // IO输出
debugConsoleWS = zapcore.Lock(os.Stdout) // 控制台标准输出
)
func init() {
l = &Logger{
Opts: &Options{},
}
}
type Logger struct {
*zap.Logger
sync.RWMutex
Opts *Options
zapConfig zap.Config
inited bool
}
func NewLogger(cf *Options) (*Logger, error) {
l.Lock()
defer l.Unlock()
if l.inited {
l.Info("[initLogger] logger Inited")
return l, errors.New("[initLogger] logger Inited")
}
l.Opts = cf
l.loadCfg()
l.init()
l.Info("[initLogger] zap plugin initializing completed")
l.inited = true
return l, nil
}
// GetLogger returns logger
func GetLogger() (ret *Logger) {
return l
}
func (l *Logger) init() {
l.setSyncers()
var err error
l.Logger, err = l.zapConfig.Build(l.cores())
if err != nil {
panic(err)
}
defer l.Logger.Sync()
}
func (l *Logger) GetLevel() (level zapcore.Level) {
switch strings.ToLower(l.Opts.Level) {
case "debug":
return zapcore.DebugLevel
case "info":
return zapcore.InfoLevel
case "warn":
return zapcore.WarnLevel
case "error":
return zapcore.ErrorLevel
case "dpanic":
return zapcore.DPanicLevel
case "panic":
return zapcore.PanicLevel
case "fatal":
return zapcore.FatalLevel
default:
return zapcore.DebugLevel //默认为调试模式
}
}
func (l *Logger) loadCfg() {
if l.GetLevel() == zapcore.DebugLevel {
l.zapConfig = zap.NewDevelopmentConfig()
l.zapConfig.EncoderConfig.EncodeTime = timeEncoder
} else {
l.zapConfig = zap.NewProductionConfig()
l.zapConfig.EncoderConfig.EncodeTime = timeUnixNano
}
l.zapConfig.OutputPaths = []string{"stdout"}
l.zapConfig.OutputPaths = []string{"stderr"}
// 默认输出到程序运行目录的logs子目录
if l.Opts.LogFileDir == "" {
l.Opts.LogFileDir, _ = filepath.Abs(filepath.Dir(filepath.Join(".")))
l.Opts.LogFileDir += sp + "logs" + sp
}
if l.Opts.AppName == "" {
l.Opts.AppName = "app"
}
if l.Opts.MaxSize == 0 {
l.Opts.MaxSize = 100
}
if l.Opts.MaxBackups == 0 {
l.Opts.MaxBackups = 60
}
if l.Opts.MaxAge == 0 {
l.Opts.MaxAge = 30
}
}
func (l *Logger) setSyncers() {
outWrite = zapcore.AddSync(&lumberjack.Logger{
Filename: l.Opts.LogFileDir + sp + l.Opts.AppName + ".log",
MaxSize: l.Opts.MaxSize,
MaxBackups: l.Opts.MaxBackups,
MaxAge: l.Opts.MaxAge,
Compress: true,
LocalTime: true,
})
return
}
func (l *Logger) cores() zap.Option {
fileEncoder := zapcore.NewJSONEncoder(l.zapConfig.EncoderConfig)
encoderConfig := zap.NewDevelopmentEncoderConfig()
encoderConfig.EncodeTime = timeEncoder
consoleEncoder := zapcore.NewConsoleEncoder(encoderConfig)
priority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
return lvl >= l.GetLevel()
})
var cores []zapcore.Core
if l.GetLevel() == zapcore.DebugLevel {
cores = append(cores, []zapcore.Core{
zapcore.NewCore(consoleEncoder, debugConsoleWS, priority),
}...)
} else {
if l.Opts.Platform == "k8s" {
cores = append(cores, []zapcore.Core{
zapcore.NewCore(fileEncoder, debugConsoleWS, priority),
}...)
} else {
cores = append(cores, []zapcore.Core{
zapcore.NewCore(fileEncoder, outWrite, priority),
}...)
}
}
return zap.WrapCore(func(c zapcore.Core) zapcore.Core {
return zapcore.NewTee(cores...)
})
}
func timeEncoder(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
enc.AppendString(t.Format("2006-01-02 15:04:05"))
}
func timeUnixNano(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
enc.AppendInt64(t.UnixNano() / 1e6)
}