/
zap.go
304 lines (259 loc) · 7.7 KB
/
zap.go
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package log
import (
"io"
"os"
"strings"
"sync"
"time"
rotatelogs "github.com/lestrrat-go/file-rotatelogs"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"github.com/go-eagle/eagle/pkg/utils"
)
const (
// WriterConsole console输出
WriterConsole = "console"
// WriterFile 文件输出
WriterFile = "file"
logSuffix = ".log"
warnLogSuffix = "_warn.log"
errorLogSuffix = "_error.log"
)
const (
// RotateTimeDaily 按天切割
RotateTimeDaily = "daily"
// RotateTimeHourly 按小时切割
RotateTimeHourly = "hourly"
)
const defaultSkip = 1 // zapLogger 包装了一层 zap.Logger,默认要跳过一层
var (
hostname string
logDir string
)
// For mapping config logger to app logger levels
var loggerLevelMap = map[string]zapcore.Level{
"debug": zapcore.DebugLevel,
"info": zapcore.InfoLevel,
"warn": zapcore.WarnLevel,
"error": zapcore.ErrorLevel,
"dpanic": zapcore.DPanicLevel,
"panic": zapcore.PanicLevel,
"fatal": zapcore.FatalLevel,
}
// Prevent data race from occurring during zap.AddStacktrace
var zapStacktraceMutex sync.Mutex
func getLoggerLevel(cfg *Config) zapcore.Level {
level, exist := loggerLevelMap[cfg.Level]
if !exist {
return zapcore.DebugLevel
}
return level
}
// zapLogger logger struct
type zapLogger struct {
sugarLogger *zap.SugaredLogger
}
// newZapLogger new zap logger
func newZapLogger(cfg *Config, opts ...Option) (*zap.Logger, error) {
for _, opt := range opts {
opt(cfg)
}
return buildLogger(cfg, defaultSkip), nil
}
// newLoggerWithCallerSkip new logger with caller skip
func newLoggerWithCallerSkip(cfg *Config, skip int, opts ...Option) (Logger, error) {
for _, opt := range opts {
opt(cfg)
}
return &zapLogger{sugarLogger: buildLogger(cfg, defaultSkip+skip).Sugar()}, nil
}
// newLogger new logger
func newLogger(cfg *Config, opts ...Option) (Logger, error) {
for _, opt := range opts {
opt(cfg)
}
return newLoggerWithCallerSkip(cfg, 0)
}
func buildLogger(cfg *Config, skip int) *zap.Logger {
logDir = cfg.LoggerDir
if strings.HasSuffix(logDir, "/") {
logDir = strings.TrimRight(logDir, "/")
}
var encoderCfg zapcore.EncoderConfig
if cfg.Development {
encoderCfg = zap.NewDevelopmentEncoderConfig()
} else {
encoderCfg = zap.NewProductionEncoderConfig()
}
encoderCfg.EncodeTime = zapcore.ISO8601TimeEncoder
var encoder zapcore.Encoder
if cfg.Encoding == WriterConsole {
encoder = zapcore.NewConsoleEncoder(encoderCfg)
} else {
encoder = zapcore.NewJSONEncoder(encoderCfg)
}
var cores []zapcore.Core
var options []zap.Option
// init option
hostname, _ = os.Hostname()
option := zap.Fields(
zap.String("ip", utils.GetLocalIP()),
zap.String("app_id", cfg.Name),
zap.String("instance_id", hostname),
)
options = append(options, option)
writers := strings.Split(cfg.Writers, ",")
for _, w := range writers {
switch w {
case WriterConsole:
cores = append(cores, zapcore.NewCore(encoder, zapcore.AddSync(os.Stdout), getLoggerLevel(cfg)))
case WriterFile:
// info
cores = append(cores, getInfoCore(encoder, cfg))
// warning
core, option := getWarnCore(encoder, cfg)
cores = append(cores, core)
if option != nil {
options = append(options, option)
}
// error
core, option = getErrorCore(encoder, cfg)
cores = append(cores, core)
if option != nil {
options = append(options, option)
}
default:
// console
cores = append(cores, zapcore.NewCore(encoder, zapcore.AddSync(os.Stdout), getLoggerLevel(cfg)))
// file
cores = append(cores, getAllCore(encoder, cfg))
}
}
combinedCore := zapcore.NewTee(cores...)
// 开启开发模式,堆栈跟踪
if !cfg.DisableCaller {
caller := zap.AddCaller()
options = append(options, caller)
}
// 跳过文件调用层数
addCallerSkip := zap.AddCallerSkip(skip)
options = append(options, addCallerSkip)
// 构造日志
return zap.New(combinedCore, options...)
}
func getAllCore(encoder zapcore.Encoder, cfg *Config) zapcore.Core {
allWriter := getLogWriterWithTime(cfg, GetLogFile(cfg.Name, logSuffix))
allLevel := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
return lvl <= zapcore.FatalLevel
})
return zapcore.NewCore(encoder, zapcore.AddSync(allWriter), allLevel)
}
func getInfoCore(encoder zapcore.Encoder, cfg *Config) zapcore.Core {
infoWrite := getLogWriterWithTime(cfg, GetLogFile(cfg.Name, logSuffix))
infoLevel := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
return lvl <= zapcore.InfoLevel
})
return zapcore.NewCore(encoder, zapcore.AddSync(infoWrite), infoLevel)
}
func getWarnCore(encoder zapcore.Encoder, cfg *Config) (zapcore.Core, zap.Option) {
warnWrite := getLogWriterWithTime(cfg, GetLogFile(cfg.Name, warnLogSuffix))
var stacktrace zap.Option
warnLevel := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
if !cfg.DisableCaller {
zapStacktraceMutex.Lock()
stacktrace = zap.AddStacktrace(zapcore.WarnLevel)
zapStacktraceMutex.Unlock()
}
return lvl == zapcore.WarnLevel
})
return zapcore.NewCore(encoder, zapcore.AddSync(warnWrite), warnLevel), stacktrace
}
func getErrorCore(encoder zapcore.Encoder, cfg *Config) (zapcore.Core, zap.Option) {
errorFilename := GetLogFile(cfg.Name, errorLogSuffix)
errorWrite := getLogWriterWithTime(cfg, errorFilename)
var stacktrace zap.Option
errorLevel := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
if !cfg.DisableCaller {
zapStacktraceMutex.Lock()
stacktrace = zap.AddStacktrace(zapcore.ErrorLevel)
zapStacktraceMutex.Unlock()
}
return lvl >= zapcore.ErrorLevel
})
return zapcore.NewCore(encoder, zapcore.AddSync(errorWrite), errorLevel), stacktrace
}
// getLogWriterWithTime 按时间(小时)进行切割
func getLogWriterWithTime(cfg *Config, filename string) io.Writer {
logFullPath := filename
rotationPolicy := cfg.LogRollingPolicy
backupCount := cfg.LogBackupCount
// 默认
var (
rotateDuration time.Duration
// 时间格式使用shell的date时间格式
timeFormat string
)
if rotationPolicy == RotateTimeHourly {
rotateDuration = time.Hour
timeFormat = ".%Y%m%d%H"
} else if rotationPolicy == RotateTimeDaily {
rotateDuration = time.Hour * 24
timeFormat = ".%Y%m%d"
}
hook, err := rotatelogs.New(
logFullPath+timeFormat,
rotatelogs.WithLinkName(logFullPath), // 生成软链,指向最新日志文件
rotatelogs.WithRotationCount(backupCount), // 文件最大保存份数
rotatelogs.WithRotationTime(rotateDuration), // 日志切割时间间隔
)
if err != nil {
panic(err)
}
return hook
}
// Debug logger
func (l *zapLogger) Debug(args ...interface{}) {
l.sugarLogger.Debug(args...)
}
// Info logger
func (l *zapLogger) Info(args ...interface{}) {
l.sugarLogger.Info(args...)
}
// Warn logger
func (l *zapLogger) Warn(args ...interface{}) {
l.sugarLogger.Warn(args...)
}
// Error logger
func (l *zapLogger) Error(args ...interface{}) {
l.sugarLogger.Error(args...)
}
func (l *zapLogger) Fatal(args ...interface{}) {
l.sugarLogger.Fatal(args...)
}
func (l *zapLogger) Debugf(format string, args ...interface{}) {
l.sugarLogger.Debugf(format, args...)
}
func (l *zapLogger) Infof(format string, args ...interface{}) {
l.sugarLogger.Infof(format, args...)
}
func (l *zapLogger) Warnf(format string, args ...interface{}) {
l.sugarLogger.Warnf(format, args...)
}
func (l *zapLogger) Errorf(format string, args ...interface{}) {
l.sugarLogger.Errorf(format, args...)
}
func (l *zapLogger) Fatalf(format string, args ...interface{}) {
l.sugarLogger.Fatalf(format, args...)
}
func (l *zapLogger) Panicf(format string, args ...interface{}) {
l.sugarLogger.Panicf(format, args...)
}
func (l *zapLogger) WithFields(fields Fields) Logger {
var f = make([]interface{}, 0)
for k, v := range fields {
f = append(f, k)
f = append(f, v)
}
newLogger := l.sugarLogger.With(f...)
return &zapLogger{newLogger}
}