forked from TrueCloudLab/frostfs-s3-gw
143 lines
3.4 KiB
Go
143 lines
3.4 KiB
Go
package main
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import (
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"strings"
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"google.golang.org/grpc/grpclog"
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"github.com/spf13/viper"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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type (
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zapLogger struct {
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zapcore.Core
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log *zap.SugaredLogger
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}
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logger interface {
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grpclog.LoggerV2
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Println(v ...interface{})
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}
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)
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const (
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formatJSON = "json"
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formatConsole = "console"
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defaultSamplingInitial = 100
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defaultSamplingThereafter = 100
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)
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func gRPCLogger(l *zap.Logger) logger {
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log := l.WithOptions(
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// skip gRPCLog + zapLogger in caller
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zap.AddCallerSkip(2))
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return &zapLogger{
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Core: log.Core(),
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log: log.Sugar(),
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}
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}
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func safeLevel(lvl string) zap.AtomicLevel {
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switch strings.ToLower(lvl) {
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case "debug":
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return zap.NewAtomicLevelAt(zap.DebugLevel)
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case "warn":
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return zap.NewAtomicLevelAt(zap.WarnLevel)
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case "error":
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return zap.NewAtomicLevelAt(zap.ErrorLevel)
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case "fatal":
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return zap.NewAtomicLevelAt(zap.FatalLevel)
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case "panic":
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return zap.NewAtomicLevelAt(zap.PanicLevel)
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default:
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return zap.NewAtomicLevelAt(zap.InfoLevel)
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}
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}
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func newLogger(v *viper.Viper) *zap.Logger {
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c := zap.NewProductionConfig()
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c.OutputPaths = []string{"stdout"}
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c.ErrorOutputPaths = []string{"stdout"}
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if v.IsSet("logger.sampling") {
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c.Sampling = &zap.SamplingConfig{
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Initial: defaultSamplingInitial,
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Thereafter: defaultSamplingThereafter,
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}
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if val := v.GetInt(cfgLoggerSamplingInitial); val > 0 {
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c.Sampling.Initial = val
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}
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if val := v.GetInt(cfgLoggerSamplingThereafter); val > 0 {
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c.Sampling.Thereafter = val
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}
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}
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// logger level
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c.Level = safeLevel(v.GetString(cfgLoggerLevel))
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traceLvl := safeLevel(v.GetString(cfgLoggerTraceLevel))
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// logger format
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switch f := v.GetString(cfgLoggerFormat); strings.ToLower(f) {
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case formatConsole:
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c.Encoding = formatConsole
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default:
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c.Encoding = formatJSON
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}
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// logger time
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c.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
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l, err := c.Build(
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// enable trace only for current log-level
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zap.AddStacktrace(traceLvl))
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if err != nil {
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panic(err)
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}
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if v.GetBool(cfgLoggerNoDisclaimer) {
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return l
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}
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name := v.GetString(cfgApplicationName)
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version := v.GetString(cfgApplicationVersion)
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return l.With(
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zap.String("app_name", name),
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zap.String("app_version", version))
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}
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func (z *zapLogger) Info(args ...interface{}) { z.log.Info(args...) }
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func (z *zapLogger) Infoln(args ...interface{}) { z.log.Info(args...) }
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func (z *zapLogger) Infof(format string, args ...interface{}) { z.log.Infof(format, args...) }
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func (z *zapLogger) Println(args ...interface{}) { z.log.Info(args...) }
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func (z *zapLogger) Printf(format string, args ...interface{}) { z.log.Infof(format, args...) }
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func (z *zapLogger) Warning(args ...interface{}) { z.log.Warn(args...) }
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func (z *zapLogger) Warningln(args ...interface{}) { z.log.Warn(args...) }
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func (z *zapLogger) Warningf(format string, args ...interface{}) { z.log.Warnf(format, args...) }
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func (z *zapLogger) Error(args ...interface{}) { z.log.Error(args...) }
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func (z *zapLogger) Errorln(args ...interface{}) { z.log.Error(args...) }
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func (z *zapLogger) Errorf(format string, args ...interface{}) { z.log.Errorf(format, args...) }
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func (z *zapLogger) Fatal(args ...interface{}) { z.log.Fatal(args...) }
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func (z *zapLogger) Fatalln(args ...interface{}) { z.log.Fatal(args...) }
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func (z *zapLogger) Fatalf(format string, args ...interface{}) { z.Fatalf(format, args...) }
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func (z *zapLogger) V(int) bool { return z.Enabled(zapcore.DebugLevel) }
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