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zap.go
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zap.go
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package logger
import (
"github.com/ZYallers/golib/consts"
"github.com/ZYallers/golib/funcs/safe"
"github.com/natefinch/lumberjack"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"path/filepath"
"time"
)
const (
// the maximum size in megabytes of the log file before it gets rotated. It defaults to 100 megabytes.
maxSize = 100
// the maximum number of old log files to retain. The default is to retain all old log files (though MaxAge may still cause them to get deleted.
maxBackups = 20
// the log files suffix.
suffix = ".log"
)
var (
loggerDir string
loggerDict = safe.NewDict()
levelEnabler zap.LevelEnablerFunc = func(l zapcore.Level) bool { return l >= zapcore.DebugLevel }
jsonEncoder = zapcore.NewJSONEncoder(zapcore.EncoderConfig{
TimeKey: "ts",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.LowercaseLevelEncoder,
EncodeDuration: zapcore.SecondsDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
EncodeTime: func(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
enc.AppendString(t.Format(consts.TimeFormatLogger))
},
})
)
func SetLoggerDir(dir string) {
loggerDir = dir
}
func GetLoggerDir() string {
return loggerDir
}
func Use(filename string) *zap.Logger {
fn, dir := filename, loggerDir
if fn == "" {
fn = time.Now().Format("20060102")
}
if dir == "" {
dir, _ = filepath.Abs(filepath.Dir("."))
}
fp, _ := filepath.Abs(dir + "/" + fn + suffix)
return NewLogger(fp)
}
func NewLogger(filename string) *zap.Logger {
logger, _ := loggerDict.GetOrPutFunc(filename, func(fn string) (interface{}, error) {
lumber := &lumberjack.Logger{MaxSize: maxSize, MaxBackups: maxBackups, LocalTime: true, Compress: false, Filename: fn}
logger := zap.New(zapcore.NewCore(jsonEncoder, zapcore.AddSync(lumber), levelEnabler))
return logger, nil
})
return logger.(*zap.Logger)
}