/
logrus.go
146 lines (120 loc) · 3.36 KB
/
logrus.go
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package lumber
import (
"fmt"
"io"
"os"
"github.com/sirupsen/logrus"
lumberjack "gopkg.in/natefinch/lumberjack.v2"
)
type logrusLogEntry struct {
entry *logrus.Entry
}
type logrusLogger struct {
logger *logrus.Logger
cfg *LoggingConfig
}
func getFormatter(isJSON bool) logrus.Formatter {
if isJSON {
return &logrus.JSONFormatter{}
}
return &logrus.TextFormatter{
FullTimestamp: true,
DisableLevelTruncation: true,
}
}
func newLogrusLogger(config *LoggingConfig, verbose bool) (Logger, error) {
logLevel := config.ConsoleLevel
if logLevel == "" {
logLevel = config.FileLevel
}
// command line args take highest precedence
if verbose {
logLevel = "debug"
}
level, err := logrus.ParseLevel(logLevel)
if err != nil {
return nil, err
}
stdOutHandler := os.Stdout
fileHandler := &lumberjack.Logger{
Filename: config.FileLocation,
MaxSize: 100,
Compress: true,
MaxAge: 28,
}
lLogger := &logrus.Logger{
Out: stdOutHandler,
Formatter: getFormatter(config.ConsoleJSONFormat),
Hooks: make(logrus.LevelHooks),
Level: level,
}
multiWriter := make([]io.Writer, 0)
if config.EnableConsole {
multiWriter = append(multiWriter, stdOutHandler)
}
if config.EnableFile {
multiWriter = append(multiWriter, fileHandler)
lLogger.SetFormatter(getFormatter(config.FileJSONFormat))
}
lLogger.SetOutput(io.MultiWriter(multiWriter...))
return &logrusLogger{
logger: lLogger,
}, nil
}
// we append the magic string for warn, fatal and error logs for sumologic monitoring
func (l *logrusLogger) Debugf(format string, args ...interface{}) {
l.logger.Debugf(format, args...)
}
func (l *logrusLogger) Infof(format string, args ...interface{}) {
l.logger.Infof(format, args...)
}
func (l *logrusLogger) Warnf(format string, args ...interface{}) {
format += fmt.Sprintf(" %s", l.cfg.MagicString)
l.logger.Warnf(format, args...)
}
func (l *logrusLogger) Errorf(format string, args ...interface{}) {
format += fmt.Sprintf(" %s", l.cfg.MagicString)
l.logger.Errorf(format, args...)
}
func (l *logrusLogger) Fatalf(format string, args ...interface{}) {
format += fmt.Sprintf(" %s", l.cfg.MagicString)
l.logger.Fatalf(format, args...)
}
func (l *logrusLogger) Panicf(format string, args ...interface{}) {
l.logger.Fatalf(format, args...)
}
func (l *logrusLogger) WithFields(fields Fields) Logger {
return &logrusLogEntry{
entry: l.logger.WithFields(convertToLogrusFields(fields)),
}
}
func (l *logrusLogEntry) Debugf(format string, args ...interface{}) {
l.entry.Debugf(format, args...)
}
func (l *logrusLogEntry) Infof(format string, args ...interface{}) {
l.entry.Infof(format, args...)
}
func (l *logrusLogEntry) Warnf(format string, args ...interface{}) {
l.entry.Warnf(format, args...)
}
func (l *logrusLogEntry) Errorf(format string, args ...interface{}) {
l.entry.Errorf(format, args...)
}
func (l *logrusLogEntry) Fatalf(format string, args ...interface{}) {
l.entry.Fatalf(format, args...)
}
func (l *logrusLogEntry) Panicf(format string, args ...interface{}) {
l.entry.Panicf(format, args...)
}
func (l *logrusLogEntry) WithFields(fields Fields) Logger {
return &logrusLogEntry{
entry: l.entry.WithFields(convertToLogrusFields(fields)),
}
}
func convertToLogrusFields(fields Fields) logrus.Fields {
logrusFields := logrus.Fields{}
for index, val := range fields {
logrusFields[index] = val
}
return logrusFields
}