Golang log.Info函数代码示例

func newMailService() {
	sec := Cfg.Section("mailer")
	// Check mailer setting.
	if !sec.Key("ENABLED").MustBool() {
		return
	}

	MailService = &Mailer{
		QueueLength:           sec.Key("SEND_BUFFER_LEN").MustInt(100),
		Name:                  sec.Key("NAME").MustString(AppName),
		Host:                  sec.Key("HOST").String(),
		User:                  sec.Key("USER").String(),
		Passwd:                sec.Key("PASSWD").String(),
		DisableHelo:           sec.Key("DISABLE_HELO").MustBool(),
		HeloHostname:          sec.Key("HELO_HOSTNAME").String(),
		SkipVerify:            sec.Key("SKIP_VERIFY").MustBool(),
		UseCertificate:        sec.Key("USE_CERTIFICATE").MustBool(),
		CertFile:              sec.Key("CERT_FILE").String(),
		KeyFile:               sec.Key("KEY_FILE").String(),
		EnableHTMLAlternative: sec.Key("ENABLE_HTML_ALTERNATIVE").MustBool(),
	}
	MailService.From = sec.Key("FROM").MustString(MailService.User)

	parsed, err := mail.ParseAddress(MailService.From)
	if err != nil {
		log.Fatal(4, "Invalid mailer.FROM (%s): %v", MailService.From, err)
	}
	MailService.FromEmail = parsed.Address

	log.Info("Mail Service Enabled")
}

// GenerateRandomAvatar generates a random avatar for user.
func (u *User) GenerateRandomAvatar() error {
	seed := u.Email
	if len(seed) == 0 {
		seed = u.Name
	}

	img, err := avatar.RandomImage([]byte(seed))
	if err != nil {
		return fmt.Errorf("RandomImage: %v", err)
	}
	if err = os.MkdirAll(filepath.Dir(u.CustomAvatarPath()), os.ModePerm); err != nil {
		return fmt.Errorf("MkdirAll: %v", err)
	}
	fw, err := os.Create(u.CustomAvatarPath())
	if err != nil {
		return fmt.Errorf("Create: %v", err)
	}
	defer fw.Close()

	if err = png.Encode(fw, img); err != nil {
		return fmt.Errorf("Encode: %v", err)
	}

	log.Info("New random avatar created: %d", u.ID)
	return nil
}

func (c *Comment) AfterDelete() {
	_, err := DeleteAttachmentsByComment(c.ID, true)

	if err != nil {
		log.Info("Could not delete files for comment %d on issue #%d: %s", c.ID, c.IssueID, err)
	}
}

func (i *Issue) AfterDelete() {
	_, err := DeleteAttachmentsByIssue(i.Id, true)

	if err != nil {
		log.Info("Could not delete files for issue #%d: %s", i.Id, err)
	}
}

func newRegisterMailService() {
	if !Cfg.Section("service").Key("REGISTER_EMAIL_CONFIRM").MustBool() {
		return
	} else if MailService == nil {
		log.Warn("Register Mail Service: Mail Service is not enabled")
		return
	}
	Service.RegisterEmailConfirm = true
	log.Info("Register Mail Service Enabled")
}

func newNotifyMailService() {
	if !Cfg.Section("service").Key("ENABLE_NOTIFY_MAIL").MustBool() {
		return
	} else if MailService == nil {
		log.Warn("Notify Mail Service: Mail Service is not enabled")
		return
	}
	Service.EnableNotifyMail = true
	log.Info("Notify Mail Service Enabled")
}

func checkRunMode() {
	switch setting.Cfg.Section("").Key("RUN_MODE").String() {
	case "prod":
		macaron.Env = macaron.PROD
		macaron.ColorLog = false
		setting.ProdMode = true
	default:
		git.Debug = true
	}
	log.Info("Run Mode: %s", strings.Title(macaron.Env))
}

func newCacheService() {
	CacheAdapter = Cfg.Section("cache").Key("ADAPTER").In("memory", []string{"memory", "redis", "memcache"})
	if EnableRedis {
		log.Info("Redis Enabled")
	}
	if EnableMemcache {
		log.Info("Memcache Enabled")
	}

	switch CacheAdapter {
	case "memory":
		CacheInternal = Cfg.Section("cache").Key("INTERVAL").MustInt(60)
	case "redis", "memcache":
		CacheConn = strings.Trim(Cfg.Section("cache").Key("HOST").String(), "\" ")
	default:
		log.Fatal(4, "Unknown cache adapter: %s", CacheAdapter)
	}

	log.Info("Cache Service Enabled")
}

// GlobalInit is for global configuration reload-able.
func GlobalInit() {
	setting.NewContext()
	log.Trace("Custom path: %s", setting.CustomPath)
	log.Trace("Log path: %s", setting.LogRootPath)
	models.LoadConfigs()
	NewServices()

	if setting.InstallLock {
		highlight.NewContext()
		markdown.BuildSanitizer()
		if err := models.NewEngine(); err != nil {
			log.Fatal(4, "Fail to initialize ORM engine: %v", err)
		}
		models.HasEngine = true

		models.LoadRepoConfig()
		models.NewRepoContext()

		// Booting long running goroutines.
		cron.NewContext()
		models.InitSyncMirrors()
		models.InitDeliverHooks()
		models.InitTestPullRequests()
		log.NewGitLogger(path.Join(setting.LogRootPath, "http.log"))
	}
	if models.EnableSQLite3 {
		log.Info("SQLite3 Supported")
	}
	if models.EnableTiDB {
		log.Info("TiDB Supported")
	}
	if setting.SupportMiniWinService {
		log.Info("Builtin Windows Service Supported")
	}
	checkRunMode()

	if setting.InstallLock && setting.SSH.StartBuiltinServer {
		ssh.Listen(setting.SSH.ListenPort)
		log.Info("SSH server started on :%v", setting.SSH.ListenPort)
	}
}

func handleServerConn(keyId string, chans <-chan ssh.NewChannel) {
	for newChan := range chans {
		if newChan.ChannelType() != "session" {
			newChan.Reject(ssh.UnknownChannelType, "unknown channel type")
			continue
		}
		channel, requests, err := newChan.Accept()
		if err != nil {
			log.Error(3, "Could not accept channel: %v", err)
			continue
		}

		go func(in <-chan *ssh.Request) {
			defer channel.Close()
			for req := range in {
				ok, payload := false, strings.TrimLeft(string(req.Payload), "\x00&")
				fmt.Println("Request:", req.Type, req.WantReply, payload)
				if req.WantReply {
					fmt.Println(req.Reply(true, nil))
				}
				switch req.Type {
				case "env":
					args := strings.Split(strings.Replace(payload, "\x00", "", -1), "\v")
					if len(args) != 2 {
						break
					}
					args[0] = strings.TrimLeft(args[0], "\x04")
					_, _, err := com.ExecCmdBytes("env", args[0]+"="+args[1])
					if err != nil {
						log.Error(3, "env: %v", err)
						channel.Stderr().Write([]byte(err.Error()))
						break
					}
					ok = true
				case "exec":
					os.Setenv("SSH_ORIGINAL_COMMAND", strings.TrimLeft(payload, "'("))
					log.Info("Payload: %v", strings.TrimLeft(payload, "'("))
					cmd := exec.Command(os.Args[0], "serv", "key-"+keyId)
					cmd.Stdout = channel
					cmd.Stdin = channel
					cmd.Stderr = channel.Stderr()
					if err := cmd.Run(); err != nil {
						log.Error(3, "exec: %v", err)
					} else {
						ok = true
					}
				}
				fmt.Println("Done:", ok)
			}
			fmt.Println("Done!!!")
		}(requests)
	}
}

func newSessionService() {
	SessionConfig.Provider = Cfg.Section("session").Key("PROVIDER").In("memory",
		[]string{"memory", "file", "redis", "mysql"})
	SessionConfig.ProviderConfig = strings.Trim(Cfg.Section("session").Key("PROVIDER_CONFIG").String(), "\" ")
	SessionConfig.CookieName = Cfg.Section("session").Key("COOKIE_NAME").MustString("i_like_gogits")
	SessionConfig.CookiePath = AppSubUrl
	SessionConfig.Secure = Cfg.Section("session").Key("COOKIE_SECURE").MustBool()
	SessionConfig.Gclifetime = Cfg.Section("session").Key("GC_INTERVAL_TIME").MustInt64(86400)
	SessionConfig.Maxlifetime = Cfg.Section("session").Key("SESSION_LIFE_TIME").MustInt64(86400)

	log.Info("Session Service Enabled")
}

// Migrate database to current version
func Migrate(x *xorm.Engine) error {
	if err := x.Sync(new(Version)); err != nil {
		return fmt.Errorf("sync: %v", err)
	}

	currentVersion := &Version{Id: 1}
	has, err := x.Get(currentVersion)
	if err != nil {
		return fmt.Errorf("get: %v", err)
	} else if !has {
		// If the user table does not exist it is a fresh installation and we
		// can skip all migrations.
		needsMigration, err := x.IsTableExist("user")
		if err != nil {
			return err
		}
		if needsMigration {
			isEmpty, err := x.IsTableEmpty("user")
			if err != nil {
				return err
			}
			// If the user table is empty it is a fresh installation and we can
			// skip all migrations.
			needsMigration = !isEmpty
		}
		if !needsMigration {
			currentVersion.Version = int64(_MIN_DB_VER + len(migrations))
		}

		if _, err = x.InsertOne(currentVersion); err != nil {
			return fmt.Errorf("insert: %v", err)
		}
	}

	v := currentVersion.Version
	for i, m := range migrations[v-_MIN_DB_VER:] {
		log.Info("Migration: %s", m.Description())
		if err = m.Migrate(x); err != nil {
			return fmt.Errorf("do migrate: %v", err)
		}
		currentVersion.Version = v + int64(i) + 1
		if _, err = x.Id(1).Update(currentVersion); err != nil {
			return err
		}
	}
	return nil
}

func NewRepoContext() {
	zip.Verbose = false

	// Check Git installation.
	if _, err := exec.LookPath("git"); err != nil {
		log.Fatal(4, "Fail to test 'git' command: %v (forgotten install?)", err)
	}

	// Check Git version.
	ver, err := git.GetVersion()
	if err != nil {
		log.Fatal(4, "Fail to get Git version: %v", err)
	}

	reqVer, err := git.ParseVersion("1.7.1")
	if err != nil {
		log.Fatal(4, "Fail to parse required Git version: %v", err)
	}
	if ver.LessThan(reqVer) {
		log.Fatal(4, "Gogs requires Git version greater or equal to 1.7.1")
	}

	// Git requires setting user.name and user.email in order to commit changes.
	for configKey, defaultValue := range map[string]string{"user.name": "Gogs", "user.email": "[email protected]"} {
		if stdout, stderr, err := process.Exec("NewRepoContext(get setting)", "git", "config", "--get", configKey); err != nil || strings.TrimSpace(stdout) == "" {
			// ExitError indicates this config is not set
			if _, ok := err.(*exec.ExitError); ok || strings.TrimSpace(stdout) == "" {
				if _, stderr, gerr := process.Exec("NewRepoContext(set "+configKey+")", "git", "config", "--global", configKey, defaultValue); gerr != nil {
					log.Fatal(4, "Fail to set git %s(%s): %s", configKey, gerr, stderr)
				}
				log.Info("Git config %s set to %s", configKey, defaultValue)
			} else {
				log.Fatal(4, "Fail to get git %s(%s): %s", configKey, err, stderr)
			}
		}
	}

	// Set git some configurations.
	if _, stderr, err := process.Exec("NewRepoContext(git config --global core.quotepath false)",
		"git", "config", "--global", "core.quotepath", "false"); err != nil {
		log.Fatal(4, "Fail to execute 'git config --global core.quotepath false': %s", stderr)
	}

}

// Migrate database to current version
func Migrate(x *xorm.Engine) error {
	if err := x.Sync(new(Version)); err != nil {
		return fmt.Errorf("sync: %v", err)
	}

	currentVersion := &Version{ID: 1}
	has, err := x.Get(currentVersion)
	if err != nil {
		return fmt.Errorf("get: %v", err)
	} else if !has {
		// If the version record does not exist we think
		// it is a fresh installation and we can skip all migrations.
		currentVersion.Version = int64(_MIN_DB_VER + len(migrations))

		if _, err = x.InsertOne(currentVersion); err != nil {
			return fmt.Errorf("insert: %v", err)
		}
	}

	v := currentVersion.Version
	if _MIN_DB_VER > v {
		log.Fatal(4, `Gogs no longer supports auto-migration from your previously installed version. 
Please try to upgrade to a lower version (>= v0.6.0) first, then upgrade to current version.`)
		return nil
	}

	if int(v-_MIN_DB_VER) > len(migrations) {
		// User downgraded Gogs.
		currentVersion.Version = int64(len(migrations) + _MIN_DB_VER)
		_, err = x.Id(1).Update(currentVersion)
		return err
	}
	for i, m := range migrations[v-_MIN_DB_VER:] {
		log.Info("Migration: %s", m.Description())
		if err = m.Migrate(x); err != nil {
			return fmt.Errorf("do migrate: %v", err)
		}
		currentVersion.Version = v + int64(i) + 1
		if _, err = x.Id(1).Update(currentVersion); err != nil {
			return err
		}
	}
	return nil
}

func newMailService() {
	sec := Cfg.Section("mailer")
	// Check mailer setting.
	if !sec.Key("ENABLED").MustBool() {
		return
	}

	MailService = &Mailer{
		Name:           sec.Key("NAME").MustString(AppName),
		Host:           sec.Key("HOST").String(),
		User:           sec.Key("USER").String(),
		Passwd:         sec.Key("PASSWD").String(),
		SkipVerify:     sec.Key("SKIP_VERIFY").MustBool(),
		UseCertificate: sec.Key("USE_CERTIFICATE").MustBool(),
		CertFile:       sec.Key("CERT_FILE").String(),
		KeyFile:        sec.Key("KEY_FILE").String(),
	}
	MailService.From = sec.Key("FROM").MustString(MailService.User)
	log.Info("Mail Service Enabled")
}