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// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package setting
import (
"fmt"
golog "log"
"os"
"path"
"path/filepath"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/util"
)
type LogGlobalConfig struct {
RootPath string
Mode string
Level log.Level
StacktraceLogLevel log.Level
BufferLen int
EnableSSHLog bool
AccessLogTemplate string
RequestIDHeaders []string
}
var Log LogGlobalConfig
const accessLogTemplateDefault = `{{.Ctx.RemoteHost}} - {{.Identity}} {{.Start.Format "[02/Jan/2006:15:04:05 -0700]" }} "{{.Ctx.Req.Method}} {{.Ctx.Req.URL.RequestURI}} {{.Ctx.Req.Proto}}" {{.ResponseWriter.Status}} {{.ResponseWriter.Size}} "{{.Ctx.Req.Referer}}" "{{.Ctx.Req.UserAgent}}"`
func loadLogGlobalFrom(rootCfg ConfigProvider) {
sec := rootCfg.Section("log")
Log.Level = log.LevelFromString(sec.Key("LEVEL").MustString(log.INFO.String()))
Log.StacktraceLogLevel = log.LevelFromString(sec.Key("STACKTRACE_LEVEL").MustString(log.NONE.String()))
Log.BufferLen = sec.Key("BUFFER_LEN").MustInt(10000)
Log.Mode = sec.Key("MODE").MustString("console")
Log.RootPath = sec.Key("ROOT_PATH").MustString(path.Join(AppWorkPath, "log"))
if !filepath.IsAbs(Log.RootPath) {
Log.RootPath = filepath.Join(AppWorkPath, Log.RootPath)
}
Log.RootPath = util.FilePathJoinAbs(Log.RootPath)
Log.EnableSSHLog = sec.Key("ENABLE_SSH_LOG").MustBool(false)
Log.AccessLogTemplate = sec.Key("ACCESS_LOG_TEMPLATE").MustString(accessLogTemplateDefault)
Log.RequestIDHeaders = sec.Key("REQUEST_ID_HEADERS").Strings(",")
}
func prepareLoggerConfig(rootCfg ConfigProvider) {
sec := rootCfg.Section("log")
if !sec.HasKey("logger.default.MODE") {
sec.Key("logger.default.MODE").MustString(",")
}
deprecatedSetting(rootCfg, "log", "ACCESS", "log", "logger.access.MODE", "1.21")
deprecatedSetting(rootCfg, "log", "ENABLE_ACCESS_LOG", "log", "logger.access.MODE", "1.21")
if val := sec.Key("ACCESS").String(); val != "" {
sec.Key("logger.access.MODE").MustString(val)
}
if sec.HasKey("ENABLE_ACCESS_LOG") && !sec.Key("ENABLE_ACCESS_LOG").MustBool() {
sec.Key("logger.access.MODE").SetValue("")
}
deprecatedSetting(rootCfg, "log", "ROUTER", "log", "logger.router.MODE", "1.21")
deprecatedSetting(rootCfg, "log", "DISABLE_ROUTER_LOG", "log", "logger.router.MODE", "1.21")
if val := sec.Key("ROUTER").String(); val != "" {
sec.Key("logger.router.MODE").MustString(val)
}
if !sec.HasKey("logger.router.MODE") {
sec.Key("logger.router.MODE").MustString(",") // use default logger
}
if sec.HasKey("DISABLE_ROUTER_LOG") && sec.Key("DISABLE_ROUTER_LOG").MustBool() {
sec.Key("logger.router.MODE").SetValue("")
}
deprecatedSetting(rootCfg, "log", "XORM", "log", "logger.xorm.MODE", "1.21")
deprecatedSetting(rootCfg, "log", "ENABLE_XORM_LOG", "log", "logger.xorm.MODE", "1.21")
if val := sec.Key("XORM").String(); val != "" {
sec.Key("logger.xorm.MODE").MustString(val)
}
if !sec.HasKey("logger.xorm.MODE") {
sec.Key("logger.xorm.MODE").MustString(",") // use default logger
}
if sec.HasKey("ENABLE_XORM_LOG") && !sec.Key("ENABLE_XORM_LOG").MustBool() {
sec.Key("logger.xorm.MODE").SetValue("")
}
}
func LogPrepareFilenameForWriter(fileName, defaultFileName string) string {
if fileName == "" {
fileName = defaultFileName
}
if !filepath.IsAbs(fileName) {
fileName = filepath.Join(Log.RootPath, fileName)
} else {
fileName = filepath.Clean(fileName)
}
if err := os.MkdirAll(filepath.Dir(fileName), os.ModePerm); err != nil {
panic(fmt.Sprintf("unable to create directory for log %q: %v", fileName, err.Error()))
}
return fileName
}
func loadLogModeByName(rootCfg ConfigProvider, loggerName, modeName string) (writerName, writerType string, writerMode log.WriterMode, err error) {
sec := rootCfg.Section("log." + modeName)
writerMode = log.WriterMode{}
writerType = ConfigSectionKeyString(sec, "MODE")
if writerType == "" {
writerType = modeName
}
writerName = modeName
defaultFlags := "stdflags"
defaultFilaName := "gitea.log"
if loggerName == "access" {
// "access" logger is special, by default it doesn't have output flags, so it also needs a new writer name to avoid conflicting with other writers.
// so "access" logger's writer name is usually "file.access" or "console.access"
writerName += ".access"
defaultFlags = "none"
defaultFilaName = "access.log"
}
writerMode.Level = log.LevelFromString(ConfigInheritedKeyString(sec, "LEVEL", Log.Level.String()))
writerMode.StacktraceLevel = log.LevelFromString(ConfigInheritedKeyString(sec, "STACKTRACE_LEVEL", Log.StacktraceLogLevel.String()))
writerMode.Prefix = ConfigInheritedKeyString(sec, "PREFIX")
writerMode.Expression = ConfigInheritedKeyString(sec, "EXPRESSION")
// flags are updated and set below
switch writerType {
case "console":
// if stderr is on journald, prefer stderr by default
useStderr := ConfigInheritedKey(sec, "STDERR").MustBool(log.JournaldOnStderr)
defaultCanColor := log.CanColorStdout
defaultJournald := log.JournaldOnStdout
if useStderr {
defaultCanColor = log.CanColorStderr
defaultJournald = log.JournaldOnStderr
}
writerOption := log.WriterConsoleOption{Stderr: useStderr}
writerMode.Colorize = ConfigInheritedKey(sec, "COLORIZE").MustBool(defaultCanColor)
writerMode.WriterOption = writerOption
// if we are ultimately on journald, update default flags
if defaultJournald {
defaultFlags = "journaldflags"
}
case "file":
fileName := LogPrepareFilenameForWriter(ConfigInheritedKey(sec, "FILE_NAME").String(), defaultFilaName)
writerOption := log.WriterFileOption{}
writerOption.FileName = fileName + filenameSuffix // FIXME: the suffix doesn't seem right, see its related comments
writerOption.LogRotate = ConfigInheritedKey(sec, "LOG_ROTATE").MustBool(true)
writerOption.MaxSize = 1 << uint(ConfigInheritedKey(sec, "MAX_SIZE_SHIFT").MustInt(28))
writerOption.DailyRotate = ConfigInheritedKey(sec, "DAILY_ROTATE").MustBool(true)
writerOption.MaxDays = ConfigInheritedKey(sec, "MAX_DAYS").MustInt(7)
writerOption.Compress = ConfigInheritedKey(sec, "COMPRESS").MustBool(true)
writerOption.CompressionLevel = ConfigInheritedKey(sec, "COMPRESSION_LEVEL").MustInt(-1)
writerMode.WriterOption = writerOption
case "conn":
writerOption := log.WriterConnOption{}
writerOption.ReconnectOnMsg = ConfigInheritedKey(sec, "RECONNECT_ON_MSG").MustBool()
writerOption.Reconnect = ConfigInheritedKey(sec, "RECONNECT").MustBool()
writerOption.Protocol = ConfigInheritedKey(sec, "PROTOCOL").In("tcp", []string{"tcp", "unix", "udp"})
writerOption.Addr = ConfigInheritedKey(sec, "ADDR").MustString(":7020")
writerMode.WriterOption = writerOption
default:
if !log.HasEventWriter(writerType) {
return "", "", writerMode, fmt.Errorf("invalid log writer type (mode): %s, maybe it needs something like 'MODE=file' in [log.%s] section", writerType, modeName)
}
}
// set flags last because the console writer code may update default flags
writerMode.Flags = log.FlagsFromString(ConfigInheritedKeyString(sec, "FLAGS", defaultFlags))
return writerName, writerType, writerMode, nil
}
var filenameSuffix = ""
// RestartLogsWithPIDSuffix restarts the logs with a PID suffix on files
// FIXME: it seems not right, it breaks log rotating or log collectors
func RestartLogsWithPIDSuffix() {
filenameSuffix = fmt.Sprintf(".%d", os.Getpid())
initAllLoggers() // when forking, before restarting, rename logger file and re-init all loggers
}
func InitLoggersForTest() {
initAllLoggers()
}
// initAllLoggers creates all the log services
func initAllLoggers() {
initManagedLoggers(log.GetManager(), CfgProvider)
golog.SetFlags(0)
golog.SetPrefix("")
golog.SetOutput(log.LoggerToWriter(log.GetLogger(log.DEFAULT).Info))
}
func initManagedLoggers(manager *log.LoggerManager, cfg ConfigProvider) {
loadLogGlobalFrom(cfg)
prepareLoggerConfig(cfg)
initLoggerByName(manager, cfg, log.DEFAULT) // default
initLoggerByName(manager, cfg, "access")
initLoggerByName(manager, cfg, "router")
initLoggerByName(manager, cfg, "xorm")
}
func initLoggerByName(manager *log.LoggerManager, rootCfg ConfigProvider, loggerName string) {
sec := rootCfg.Section("log")
keyPrefix := "logger." + loggerName
disabled := sec.HasKey(keyPrefix+".MODE") && sec.Key(keyPrefix+".MODE").String() == ""
if disabled {
return
}
modeVal := sec.Key(keyPrefix + ".MODE").String()
if modeVal == "," {
modeVal = Log.Mode
}
var eventWriters []log.EventWriter
modes := strings.Split(modeVal, ",")
for _, modeName := range modes {
modeName = strings.TrimSpace(modeName)
if modeName == "" {
continue
}
writerName, writerType, writerMode, err := loadLogModeByName(rootCfg, loggerName, modeName)
if err != nil {
log.FallbackErrorf("Failed to load writer mode %q for logger %s: %v", modeName, loggerName, err)
continue
}
if writerMode.BufferLen == 0 {
writerMode.BufferLen = Log.BufferLen
}
eventWriter := manager.GetSharedWriter(writerName)
if eventWriter == nil {
eventWriter, err = manager.NewSharedWriter(writerName, writerType, writerMode)
if err != nil {
log.FallbackErrorf("Failed to create event writer for logger %s: %v", loggerName, err)
continue
}
}
eventWriters = append(eventWriters, eventWriter)
}
manager.GetLogger(loggerName).ReplaceAllWriters(eventWriters...)
}
func InitSQLLoggersForCli(level log.Level) {
log.SetConsoleLogger("xorm", "console", level)
}
func IsAccessLogEnabled() bool {
return log.IsLoggerEnabled("access")
}
func IsRouteLogEnabled() bool {
return log.IsLoggerEnabled("router")
}
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