cloudflared-mirror/cmd/cloudflared/tunnel/logger.go

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package tunnel
import (
"fmt"
"os"
"github.com/cloudflare/cloudflared/log"
"github.com/rifflock/lfshook"
"github.com/sirupsen/logrus"
"gopkg.in/urfave/cli.v2"
"github.com/mitchellh/go-homedir"
"github.com/pkg/errors"
)
var logger = log.CreateLogger()
func configMainLogger(c *cli.Context) error {
logLevel, err := logrus.ParseLevel(c.String("loglevel"))
if err != nil {
logger.WithError(err).Error("Unknown logging level specified")
return errors.Wrap(err, "Unknown logging level specified")
}
logger.SetLevel(logLevel)
return nil
}
func configProtoLogger(c *cli.Context) (*logrus.Logger, error) {
protoLogLevel, err := logrus.ParseLevel(c.String("proto-loglevel"))
if err != nil {
logger.WithError(err).Fatal("Unknown protocol logging level specified")
return nil, errors.Wrap(err, "Unknown protocol logging level specified")
}
protoLogger := logrus.New()
protoLogger.Level = protoLogLevel
return protoLogger, nil
}
func initLogFile(c *cli.Context, loggers ...*logrus.Logger) error {
filePath, err := homedir.Expand(c.String("logfile"))
if err != nil {
return errors.Wrap(err, "Cannot resolve logfile path")
}
fileMode := os.O_WRONLY | os.O_APPEND | os.O_CREATE | os.O_TRUNC
// do not truncate log file if the client has been autoupdated
if c.Bool("is-autoupdated") {
fileMode = os.O_WRONLY | os.O_APPEND | os.O_CREATE
}
f, err := os.OpenFile(filePath, fileMode, 0664)
if err != nil {
errors.Wrap(err, fmt.Sprintf("Cannot open file %s", filePath))
}
defer f.Close()
pathMap := lfshook.PathMap{
logrus.InfoLevel: filePath,
logrus.ErrorLevel: filePath,
logrus.FatalLevel: filePath,
logrus.PanicLevel: filePath,
}
for _, l := range loggers {
l.Hooks.Add(lfshook.NewHook(pathMap, &logrus.JSONFormatter{}))
}
return nil
}