/
logger.go
137 lines (116 loc) · 3.21 KB
/
logger.go
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package logger
import (
"time"
"github.com/natefinch/lumberjack"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var (
logger *zap.SugaredLogger
)
func init() {
_ = Configure(DefaultOptions())
}
// Must be called once at process startup.
func Configure(options *Options) error {
logLevel := options.GetOutputLevel()
encoder := getEncoder(options)
writer, err := getWriter(options)
if err != nil {
return err
}
core := zapcore.NewCore(zapcore.NewConsoleEncoder(encoder), writer, logLevel)
raw := zap.New(core, zap.AddCallerSkip(1))
logger = raw.Sugar()
return nil
}
func getEncoder(options *Options) zapcore.EncoderConfig {
encoderConfig := zapcore.EncoderConfig{
TimeKey: "time",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "message",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalColorLevelEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
EncodeDuration: zapcore.SecondsDurationEncoder,
EncodeTime: formatDate,
}
if options.LocalTime {
encoderConfig.EncodeTime = formatLocalDate
}
return encoderConfig
}
func buildTimeFormat(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
year, month, day := t.Date()
hour, minute, second := t.Clock()
micros := t.Nanosecond() / 1000
buf := make([]byte, 27)
buf[0] = byte((year/1000)%10) + '0'
buf[1] = byte((year/100)%10) + '0'
buf[2] = byte((year/10)%10) + '0'
buf[3] = byte(year%10) + '0'
buf[4] = '-'
buf[5] = byte((month)/10) + '0'
buf[6] = byte((month)%10) + '0'
buf[7] = '-'
buf[8] = byte((day)/10) + '0'
buf[9] = byte((day)%10) + '0'
buf[10] = 'T'
buf[11] = byte((hour)/10) + '0'
buf[12] = byte((hour)%10) + '0'
buf[13] = ':'
buf[14] = byte((minute)/10) + '0'
buf[15] = byte((minute)%10) + '0'
buf[16] = ':'
buf[17] = byte((second)/10) + '0'
buf[18] = byte((second)%10) + '0'
buf[19] = '.'
buf[20] = byte((micros/100000)%10) + '0'
buf[21] = byte((micros/10000)%10) + '0'
buf[22] = byte((micros/1000)%10) + '0'
buf[23] = byte((micros/100)%10) + '0'
buf[24] = byte((micros/10)%10) + '0'
buf[25] = byte((micros)%10) + '0'
buf[26] = 'Z'
enc.AppendString(string(buf))
}
func formatDate(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
buildTimeFormat(t.UTC(), enc)
}
func formatLocalDate(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
buildTimeFormat(t.Local(), enc)
}
func getWriter(options *Options) (zapcore.WriteSyncer, error) {
var rotateSink zapcore.WriteSyncer
if options.RotateOutputPath != "" {
rotateSink = zapcore.AddSync(&lumberjack.Logger{
Filename: options.RotateOutputPath,
MaxSize: options.RotationMaxSize,
MaxBackups: options.RotationMaxBackups,
MaxAge: options.RotationMaxAge,
})
}
var outputSink zapcore.WriteSyncer
var err error
if len(options.OutputPaths) > 0 {
outputSink, _, err = zap.Open(options.OutputPaths...)
if err != nil {
return nil, err
}
}
var writer zapcore.WriteSyncer
if rotateSink != nil && outputSink != nil {
writer = zapcore.NewMultiWriteSyncer(outputSink, rotateSink)
} else if rotateSink != nil {
writer = rotateSink
} else {
writer = outputSink
}
return writer, nil
}
func GetLogger() *zap.SugaredLogger {
return logger
}