52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package logutils
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"go.uber.org/zap"
|
|
"go.uber.org/zap/zapcore"
|
|
|
|
"github.com/ethereum/go-ethereum/log"
|
|
)
|
|
|
|
// gethAdapter returns a log.Handler interface that forwards logs to a zap.Logger.
|
|
// Logs are forwarded raw as if geth were printing them.
|
|
func gethAdapter(logger *zap.Logger) log.Handler {
|
|
return log.FuncHandler(func(r *log.Record) error {
|
|
level, err := lvlFromString(r.Lvl.String())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// Skip trace logs to not clutter the output
|
|
if level == traceLevel {
|
|
return nil
|
|
}
|
|
serializedLog := string(log.TerminalFormat(false).Format(r))
|
|
logger.Check(level, fmt.Sprintf("'%s'", strings.TrimSuffix(serializedLog, "\n"))).Write()
|
|
return nil
|
|
})
|
|
}
|
|
|
|
const traceLevel = zapcore.DebugLevel - 1
|
|
|
|
// lvlFromString returns the appropriate zapcore.Level from a string.
|
|
func lvlFromString(lvlString string) (zapcore.Level, error) {
|
|
switch strings.ToLower(lvlString) {
|
|
case "trace", "trce":
|
|
return traceLevel, nil // zap does not have a trace level, use custom
|
|
case "debug", "dbug":
|
|
return zapcore.DebugLevel, nil
|
|
case "info":
|
|
return zapcore.InfoLevel, nil
|
|
case "warn":
|
|
return zapcore.WarnLevel, nil
|
|
case "error", "eror":
|
|
return zapcore.ErrorLevel, nil
|
|
case "crit":
|
|
return zapcore.DPanicLevel, nil // zap does not have a crit level, using DPanicLevel as closest
|
|
default:
|
|
return zapcore.InvalidLevel, fmt.Errorf("unknown level: %v", lvlString)
|
|
}
|
|
}
|