88 lines
2.0 KiB
Go
88 lines
2.0 KiB
Go
package util
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"runtime"
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"github.com/rifflock/lfshook"
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"github.com/sirupsen/logrus"
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"github.com/future-architect/vuls/config"
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formatter "github.com/kotakanbe/logrus-prefixed-formatter"
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)
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// Log for localhsot
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var Log *logrus.Entry
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func init() {
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log := logrus.New()
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log.Out = ioutil.Discard
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fields := logrus.Fields{"prefix": ""}
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Log = log.WithFields(fields)
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}
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// NewCustomLogger creates logrus
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func NewCustomLogger(c config.ServerInfo) *logrus.Entry {
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log := logrus.New()
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log.Formatter = &formatter.TextFormatter{MsgAnsiColor: c.LogMsgAnsiColor}
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log.Level = logrus.InfoLevel
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if config.Conf.Debug {
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log.Level = logrus.DebugLevel
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}
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// File output
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logDir := GetDefaultLogDir()
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if 0 < len(config.Conf.LogDir) {
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logDir = config.Conf.LogDir
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}
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if _, err := os.Stat(logDir); os.IsNotExist(err) {
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if err := os.Mkdir(logDir, 0700); err != nil {
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log.Errorf("Failed to create log directory. path: %s, err: %s", logDir, err)
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}
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}
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// Only log to a file if quiet mode enabled
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if config.Conf.Quiet {
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logFile := logDir + "/vuls.log"
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if file, err := os.OpenFile(logFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644); err == nil {
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log.Out = file
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} else {
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log.Errorf("Failed to create log file. path: %s, err: %s", logFile, err)
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}
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} else {
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log.Out = os.Stderr
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}
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whereami := "localhost"
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if 0 < len(c.ServerName) {
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whereami = c.GetServerName()
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}
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if _, err := os.Stat(logDir); err == nil {
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path := filepath.Join(logDir, whereami)
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log.Hooks.Add(lfshook.NewHook(lfshook.PathMap{
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logrus.DebugLevel: path,
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logrus.InfoLevel: path,
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logrus.WarnLevel: path,
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logrus.ErrorLevel: path,
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logrus.FatalLevel: path,
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logrus.PanicLevel: path,
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}, nil))
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}
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fields := logrus.Fields{"prefix": whereami}
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return log.WithFields(fields)
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}
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// GetDefaultLogDir returns default log directory
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func GetDefaultLogDir() string {
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defaultLogDir := "/var/log/vuls"
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if runtime.GOOS == "windows" {
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defaultLogDir = filepath.Join(os.Getenv("APPDATA"), "vuls")
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}
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return defaultLogDir
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}
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