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// Copyright 2020 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package conf
import (
"os"
"path/filepath"
"strings"
"github.com/pkg/errors"
"gopkg.in/ini.v1"
log "unknwon.dev/clog/v2"
)
type loggerConf struct {
Buffer int64
Config interface{}
}
type logConf struct {
RootPath string
Modes []string
Configs []*loggerConf
}
// Log settings
var Log *logConf
// initLogConf returns parsed logging configuration from given INI file.
// NOTE: Because we always create a console logger as the primary logger at init time,
// we need to remove it in case the user doesn't configure to use it after the logging
// service is initalized.
func initLogConf(cfg *ini.File) (_ *logConf, hasConsole bool, _ error) {
rootPath := cfg.Section("log").Key("ROOT_PATH").MustString(filepath.Join(WorkDir(), "log"))
modes := strings.Split(cfg.Section("log").Key("MODE").MustString("console"), ",")
lc := &logConf{
RootPath: ensureAbs(rootPath),
Modes: make([]string, 0, len(modes)),
Configs: make([]*loggerConf, 0, len(modes)),
}
// Iterate over [log.*] sections to initialize individual logger.
levelMappings := map[string]log.Level{
"trace": log.LevelTrace,
"info": log.LevelInfo,
"warn": log.LevelWarn,
"error": log.LevelError,
"fatal": log.LevelFatal,
}
for i := range modes {
modes[i] = strings.ToLower(strings.TrimSpace(modes[i]))
secName := "log." + modes[i]
sec, err := cfg.GetSection(secName)
if err != nil {
return nil, hasConsole, errors.Errorf("missing configuration section [%s] for %q logger", secName, modes[i])
}
level := levelMappings[strings.ToLower(sec.Key("LEVEL").MustString("trace"))]
buffer := sec.Key("BUFFER_LEN").MustInt64(100)
var c *loggerConf
switch modes[i] {
case log.DefaultConsoleName:
hasConsole = true
c = &loggerConf{
Buffer: buffer,
Config: log.ConsoleConfig{
Level: level,
},
}
case log.DefaultFileName:
logPath := filepath.Join(lc.RootPath, "gogs.log")
c = &loggerConf{
Buffer: buffer,
Config: log.FileConfig{
Level: level,
Filename: logPath,
FileRotationConfig: log.FileRotationConfig{
Rotate: sec.Key("LOG_ROTATE").MustBool(true),
Daily: sec.Key("DAILY_ROTATE").MustBool(true),
MaxSize: 1 << uint(sec.Key("MAX_SIZE_SHIFT").MustInt(28)),
MaxLines: sec.Key("MAX_LINES").MustInt64(1000000),
MaxDays: sec.Key("MAX_DAYS").MustInt64(7),
},
},
}
case log.DefaultSlackName:
c = &loggerConf{
Buffer: buffer,
Config: log.SlackConfig{
Level: level,
URL: sec.Key("URL").String(),
},
}
case log.DefaultDiscordName:
c = &loggerConf{
Buffer: buffer,
Config: log.DiscordConfig{
Level: level,
URL: sec.Key("URL").String(),
Username: sec.Key("USERNAME").String(),
},
}
default:
continue
}
lc.Modes = append(lc.Modes, modes[i])
lc.Configs = append(lc.Configs, c)
}
return lc, hasConsole, nil
}
// InitLogging initializes the logging service of the application.
func InitLogging() {
logConf, hasConsole, err := initLogConf(File)
if err != nil {
log.Fatal("Failed to init logging configuration: %v", err)
}
err = os.MkdirAll(logConf.RootPath, os.ModePerm)
if err != nil {
log.Fatal("Failed to create log directory: %v", err)
}
for i, mode := range logConf.Modes {
c := logConf.Configs[i]
var err error
var level log.Level
switch mode {
case log.DefaultConsoleName:
level = c.Config.(log.ConsoleConfig).Level
err = log.NewConsole(c.Buffer, c.Config)
case log.DefaultFileName:
level = c.Config.(log.FileConfig).Level
err = log.NewFile(c.Buffer, c.Config)
case log.DefaultSlackName:
level = c.Config.(log.SlackConfig).Level
err = log.NewSlack(c.Buffer, c.Config)
case log.DefaultDiscordName:
level = c.Config.(log.DiscordConfig).Level
err = log.NewDiscord(c.Buffer, c.Config)
default:
panic("unreachable")
}
if err != nil {
log.Fatal("Failed to init %s logger: %v", mode, err)
return
}
log.Trace("Log mode: %s (%s)", strings.Title(mode), strings.Title(strings.ToLower(level.String())))
}
if !hasConsole {
log.Remove(log.DefaultConsoleName)
}
Log = logConf
}
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