github.com/weaviate/weaviate@v1.24.6/usecases/cluster/log_workaround.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package cluster
    13  
    14  import (
    15  	"regexp"
    16  
    17  	"github.com/sirupsen/logrus"
    18  )
    19  
    20  type logParser struct {
    21  	logrus logrus.FieldLogger
    22  	regexp *regexp.Regexp
    23  }
    24  
    25  func newLogParser(logrus logrus.FieldLogger) *logParser {
    26  	return &logParser{
    27  		logrus: logrus,
    28  		regexp: regexp.MustCompile(`(.*)\[(DEBUG|ERR|ERROR|INFO|WARNING|WARN)](.*)`),
    29  	}
    30  }
    31  
    32  func (l *logParser) Write(in []byte) (int, error) {
    33  	res := l.regexp.FindSubmatch(in)
    34  	if len(res) != 4 {
    35  		// unable to parse log message
    36  		l.logrus.Warnf("unable to parse memberlist log message: %s", in)
    37  	}
    38  
    39  	switch string(res[2]) {
    40  	case "ERR", "ERROR":
    41  		l.logrus.Error(string(res[3]))
    42  	case "WARN", "WARNING":
    43  		l.logrus.Warn(string(res[3]))
    44  	case "DEBUG":
    45  		l.logrus.Debug(string(res[3]))
    46  	case "INFO":
    47  		l.logrus.Info(string(res[3]))
    48  	default:
    49  		l.logrus.Warnf("unable to parse memberlist log level from message: %s", in)
    50  	}
    51  
    52  	return len(in), nil
    53  }