/
logger.go
70 lines (62 loc) · 1.41 KB
/
logger.go
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package main
import (
"time"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
func setupLogger(logLevel string) (*zap.Logger, error) {
cfg := zap.Config{
Encoding: "json",
Level: zap.NewAtomicLevelAt(getZapCoreLevel(logLevel)),
OutputPaths: []string{"stderr"},
ErrorOutputPaths: []string{"stderr"},
EncoderConfig: zapcore.EncoderConfig{
EncodeLevel: numberLevelEncoder,
LevelKey: "level",
MessageKey: "msg",
TimeKey: "time",
EncodeTime: epochMillisTimeEncoder,
},
}
logger, err := cfg.Build()
if err != nil {
return nil, err
}
return logger, nil
}
func numberLevelEncoder(l zapcore.Level, enc zapcore.PrimitiveArrayEncoder) {
enc.AppendInt(getLogLevel(l))
}
func getLogLevel(l zapcore.Level) int {
switch l {
case zapcore.ErrorLevel:
return 50
case zapcore.InfoLevel:
return 30
case zapcore.DebugLevel:
return 20
}
return 30
}
func epochMillisTimeEncoder(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
nanos := t.UnixNano()
millis := nanos / int64(time.Millisecond)
enc.AppendInt64(millis)
}
func getZapCoreLevel(logLevel string) zapcore.Level {
switch logLevel {
case "debug":
return zapcore.DebugLevel
case "info":
return zapcore.InfoLevel
case "warn":
return zapcore.WarnLevel
case "error":
return zapcore.ErrorLevel
case "panic":
return zapcore.PanicLevel
case "fatal":
return zapcore.FatalLevel
}
return zapcore.InfoLevel
}