feat: add i18n support

cmd/dashboard/controller/alertrule.go

@@ -1,8 +1,6 @@
 package controller
 
 import (
-	"errors"
-	"fmt"
 	"strconv"
 	"time"
 
@@ -99,7 +97,7 @@ func updateAlertRule(c *gin.Context) (any, error) {
 
 	var r model.AlertRule
 	if err := singleton.DB.First(&r, id).Error; err != nil {
-		return nil, fmt.Errorf("alert id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("alert id %d does not exist", id)
 	}
 
 	if err := validateRule(&r); err != nil {
@@ -154,22 +152,22 @@ func validateRule(r *model.AlertRule) error {
 		for _, rule := range r.Rules {
 			if !rule.IsTransferDurationRule() {
 				if rule.Duration < 3 {
-					return errors.New("错误: Duration 至少为 3")
+					return singleton.Localizer.ErrorT("duration need to be at least 3")
 				}
 			} else {
 				if rule.CycleInterval < 1 {
-					return errors.New("错误: cycle_interval 至少为 1")
+					return singleton.Localizer.ErrorT("cycle_interval need to be at least 1")
 				}
 				if rule.CycleStart == nil {
-					return errors.New("错误: cycle_start 未设置")
+					return singleton.Localizer.ErrorT("cycle_start is not set")
 				}
 				if rule.CycleStart.After(time.Now()) {
-					return errors.New("错误: cycle_start 是个未来值")
+					return singleton.Localizer.ErrorT("cycle_start is a future value")
 				}
 			}
 		}
 	} else {
-		return errors.New("至少定义一条规则")
+		return singleton.Localizer.ErrorT("need to configure at least a single rule")
 	}
 	return nil
 }

cmd/dashboard/controller/controller.go

@@ -185,7 +185,7 @@ func commonHandler[T any](handler handlerFunc[T]) func(*gin.Context) {
 		switch err.(type) {
 		case *gormError:
 			log.Printf("NEZHA>> gorm error: %v", err)
-			c.JSON(http.StatusOK, newErrorResponse(errors.New("database error")))
+			c.JSON(http.StatusOK, newErrorResponse(singleton.Localizer.ErrorT("database error")))
 			return
 		case *wsError:
 			// Connection is upgraded to WebSocket, so c.Writer is no longer usable

cmd/dashboard/controller/cron.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"errors"
 	"fmt"
 	"strconv"
 
@@ -61,7 +60,7 @@ func createCron(c *gin.Context) (uint64, error) {
 	cr.Cover = cf.Cover
 
 	if cr.TaskType == model.CronTypeCronTask && cr.Cover == model.CronCoverAlertTrigger {
-		return 0, errors.New("计划任务类型不得使用触发服务器执行方式")
+		return 0, singleton.Localizer.ErrorT("scheduled tasks cannot be triggered by alarms")
 	}
 
 	// 对于计划任务类型，需要更新CronJob
@@ -120,7 +119,7 @@ func updateCron(c *gin.Context) (any, error) {
 	cr.Cover = cf.Cover
 
 	if cr.TaskType == model.CronTypeCronTask && cr.Cover == model.CronCoverAlertTrigger {
-		return nil, errors.New("计划任务类型不得使用触发服务器执行方式")
+		return nil, singleton.Localizer.ErrorT("scheduled tasks cannot be triggered by alarms")
 	}
 
 	// 对于计划任务类型，需要更新CronJob
@@ -159,7 +158,7 @@ func manualTriggerCron(c *gin.Context) (any, error) {
 
 	var cr model.Cron
 	if err := singleton.DB.First(&cr, id).Error; err != nil {
-		return nil, fmt.Errorf("task id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("task id %d does not exist", id)
 	}
 
 	singleton.ManualTrigger(&cr)

cmd/dashboard/controller/ddns.go

@@ -1,8 +1,6 @@
 package controller
 
 import (
-	"errors"
-	"fmt"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
@@ -55,7 +53,7 @@ func createDDNS(c *gin.Context) (uint64, error) {
 	}
 
 	if df.MaxRetries < 1 || df.MaxRetries > 10 {
-		return 0, errors.New("重试次数必须为大于 1 且不超过 10 的整数")
+		return 0, singleton.Localizer.ErrorT("the retry count must be an integer between 1 and 10")
 	}
 
 	p.Name = df.Name
@@ -78,7 +76,7 @@ func createDDNS(c *gin.Context) (uint64, error) {
 		// IDN to ASCII
 		domainValid, domainErr := idna.Lookup.ToASCII(domain)
 		if domainErr != nil {
-			return 0, fmt.Errorf("域名 %s 解析错误: %v", domain, domainErr)
+			return 0, singleton.Localizer.ErrorT("error parsing %s: %v", domain, domainErr)
 		}
 		p.Domains[n] = domainValid
 	}
@@ -119,12 +117,12 @@ func updateDDNS(c *gin.Context) (any, error) {
 	}
 
 	if df.MaxRetries < 1 || df.MaxRetries > 10 {
-		return nil, errors.New("重试次数必须为大于 1 且不超过 10 的整数")
+		return nil, singleton.Localizer.ErrorT("the retry count must be an integer between 1 and 10")
 	}
 
 	var p model.DDNSProfile
 	if err = singleton.DB.First(&p, id).Error; err != nil {
-		return nil, fmt.Errorf("profile id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("profile id %d does not exist", id)
 	}
 
 	p.Name = df.Name
@@ -147,7 +145,7 @@ func updateDDNS(c *gin.Context) (any, error) {
 		// IDN to ASCII
 		domainValid, domainErr := idna.Lookup.ToASCII(domain)
 		if domainErr != nil {
-			return nil, fmt.Errorf("域名 %s 解析错误: %v", domain, domainErr)
+			return nil, singleton.Localizer.ErrorT("error parsing %s: %v", domain, domainErr)
 		}
 		p.Domains[n] = domainValid
 	}

cmd/dashboard/controller/fm.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"errors"
 	"strconv"
 	"time"
 
@@ -26,7 +25,7 @@ import (
 // @Success 200 {object} model.CreateFMResponse
 // @Router /file [get]
 func createFM(c *gin.Context) (*model.CreateFMResponse, error) {
-	idStr := c.Param("id")
+	idStr := c.Query("id")
 	id, err := strconv.ParseUint(idStr, 10, 64)
 	if err != nil {
 		return nil, err
@@ -43,7 +42,7 @@ func createFM(c *gin.Context) (*model.CreateFMResponse, error) {
 	server := singleton.ServerList[id]
 	singleton.ServerLock.RUnlock()
 	if server == nil || server.TaskStream == nil {
-		return nil, errors.New("server not found or not connected")
+		return nil, singleton.Localizer.ErrorT("server not found or not connected")
 	}
 
 	fmData, _ := utils.Json.Marshal(&model.TaskFM{

cmd/dashboard/controller/nat.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"fmt"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
@@ -93,7 +92,7 @@ func updateNAT(c *gin.Context) (any, error) {
 
 	var n model.NAT
 	if err = singleton.DB.First(&n, id).Error; err != nil {
-		return nil, fmt.Errorf("profile id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("profile id %d does not exist", id)
 	}
 
 	n.Name = nf.Name

cmd/dashboard/controller/notification.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"fmt"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
@@ -65,7 +64,7 @@ func createNotification(c *gin.Context) (uint64, error) {
 	}
 	// 未勾选跳过检查
 	if !nf.SkipCheck {
-		if err := ns.Send("这是测试消息"); err != nil {
+		if err := ns.Send(singleton.Localizer.T("a test message")); err != nil {
 			return 0, err
 		}
 	}
@@ -104,7 +103,7 @@ func updateNotification(c *gin.Context) (any, error) {
 
 	var n model.Notification
 	if err := singleton.DB.First(&n, id).Error; err != nil {
-		return nil, fmt.Errorf("notification id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("notification id %d does not exist", id)
 	}
 
 	n.Name = nf.Name
@@ -123,7 +122,7 @@ func updateNotification(c *gin.Context) (any, error) {
 	}
 	// 未勾选跳过检查
 	if !nf.SkipCheck {
-		if err := ns.Send("这是测试消息"); err != nil {
+		if err := ns.Send(singleton.Localizer.T("a test message")); err != nil {
 			return nil, err
 		}
 	}

cmd/dashboard/controller/notification_group.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"fmt"
 	"slices"
 	"strconv"
 
@@ -78,7 +77,7 @@ func createNotificationGroup(c *gin.Context) (uint64, error) {
 	}
 
 	if count != int64(len(ngf.Notifications)) {
-		return 0, fmt.Errorf("have invalid notification id")
+		return 0, singleton.Localizer.ErrorT("have invalid notification id")
 	}
 
 	err := singleton.DB.Transaction(func(tx *gorm.DB) error {
@@ -129,7 +128,7 @@ func updateNotificationGroup(c *gin.Context) (any, error) {
 	}
 	var ngDB model.NotificationGroup
 	if err := singleton.DB.First(&ngDB, id).Error; err != nil {
-		return nil, fmt.Errorf("group id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("group id %d does not exist", id)
 	}
 
 	ngDB.Name = ngf.Name
@@ -140,7 +139,7 @@ func updateNotificationGroup(c *gin.Context) (any, error) {
 		return nil, newGormError("%v", err)
 	}
 	if count != int64(len(ngf.Notifications)) {
-		return nil, fmt.Errorf("have invalid notification id")
+		return nil, singleton.Localizer.ErrorT("have invalid notification id")
 	}
 
 	err = singleton.DB.Transaction(func(tx *gorm.DB) error {

cmd/dashboard/controller/server.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"fmt"
 	"strconv"
 
 	"github.com/gin-gonic/gin"
@@ -57,7 +56,7 @@ func updateServer(c *gin.Context) (any, error) {
 
 	var s model.Server
 	if err := singleton.DB.First(&s, id).Error; err != nil {
-		return nil, fmt.Errorf("server id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("server id %d does not exist", id)
 	}
 
 	s.Name = sf.Name

cmd/dashboard/controller/server_group.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"fmt"
 	"slices"
 	"strconv"
 
@@ -76,7 +75,7 @@ func createServerGroup(c *gin.Context) (uint64, error) {
 		return 0, newGormError("%v", err)
 	}
 	if count != int64(len(sgf.Servers)) {
-		return 0, fmt.Errorf("have invalid server id")
+		return 0, singleton.Localizer.ErrorT("have invalid server id")
 	}
 
 	err := singleton.DB.Transaction(func(tx *gorm.DB) error {
@@ -128,7 +127,7 @@ func updateServerGroup(c *gin.Context) (any, error) {
 
 	var sgDB model.ServerGroup
 	if err := singleton.DB.First(&sgDB, id).Error; err != nil {
-		return nil, fmt.Errorf("group id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("group id %d does not exist", id)
 	}
 	sgDB.Name = sg.Name
 
@@ -137,7 +136,7 @@ func updateServerGroup(c *gin.Context) (any, error) {
 		return nil, err
 	}
 	if count != int64(len(sg.Servers)) {
-		return nil, fmt.Errorf("have invalid server id")
+		return nil, singleton.Localizer.ErrorT("have invalid server id")
 	}
 
 	err = singleton.DB.Transaction(func(tx *gorm.DB) error {

cmd/dashboard/controller/service.go

@@ -1,8 +1,6 @@
 package controller
 
 import (
-	"errors"
-	"fmt"
 	"strconv"
 	"strings"
 	"time"
@@ -78,14 +76,14 @@ func listServiceHistory(c *gin.Context) ([]*model.ServiceInfos, error) {
 	singleton.ServerLock.RLock()
 	server, ok := singleton.ServerList[id]
 	if !ok {
-		return nil, errors.New("server not found")
+		return nil, singleton.Localizer.ErrorT("server not found")
 	}
 
 	_, isMember := c.Get(model.CtxKeyAuthorizedUser)
 	authorized := isMember // TODO || isViewPasswordVerfied
 
 	if server.HideForGuest && !authorized {
-		return nil, errors.New("unauthorized")
+		return nil, singleton.Localizer.ErrorT("unauthorized")
 	}
 	singleton.ServerLock.RUnlock()
 
@@ -154,7 +152,7 @@ func listServerWithServices(c *gin.Context) ([]uint64, error) {
 		server, ok := singleton.ServerList[id]
 		if !ok {
 			singleton.ServerLock.RUnlock()
-			return nil, errors.New("server not found")
+			return nil, singleton.Localizer.ErrorT("server not found")
 		}
 
 		if !server.HideForGuest || authorized {
@@ -201,7 +199,7 @@ func createService(c *gin.Context) (uint64, error) {
 	m.FailTriggerTasks = mf.FailTriggerTasks
 
 	if err := singleton.DB.Create(&m).Error; err != nil {
-		return 0, err
+		return 0, newGormError("%v", err)
 	}
 
 	var skipServers []uint64
@@ -246,7 +244,7 @@ func updateService(c *gin.Context) (any, error) {
 	}
 	var m model.Service
 	if err := singleton.DB.First(&m, id).Error; err != nil {
-		return nil, fmt.Errorf("service id %d does not exist", id)
+		return nil, singleton.Localizer.ErrorT("service id %d does not exist", id)
 	}
 	m.Name = mf.Name
 	m.Target = strings.TrimSpace(mf.Target)
@@ -265,7 +263,7 @@ func updateService(c *gin.Context) (any, error) {
 	m.FailTriggerTasks = mf.FailTriggerTasks
 
 	if err := singleton.DB.Save(&m).Error; err != nil {
-		return nil, err
+		return nil, newGormError("%v", err)
 	}
 
 	var skipServers []uint64

cmd/dashboard/controller/setting.go

@@ -63,9 +63,10 @@ func updateConfig(c *gin.Context) (any, error) {
 	singleton.Conf.CustomCodeDashboard = sf.CustomCodeDashboard
 
 	if err := singleton.Conf.Save(); err != nil {
-		return nil, err
+		return nil, newGormError("%v", err)
 	}
 
 	singleton.OnNameserverUpdate()
+	singleton.OnUpdateLang(singleton.Conf.Language)
 	return nil, nil
 }

cmd/dashboard/controller/terminal.go

@@ -1,7 +1,6 @@
 package controller
 
 import (
-	"errors"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -41,7 +40,7 @@ func createTerminal(c *gin.Context) (*model.CreateTerminalResponse, error) {
 	server := singleton.ServerList[createTerminalReq.ServerID]
 	singleton.ServerLock.RUnlock()
 	if server == nil || server.TaskStream == nil {
-		return nil, errors.New("server not found or not connected")
+		return nil, singleton.Localizer.ErrorT("server not found or not connected")
 	}
 
 	terminalData, _ := utils.Json.Marshal(&model.TerminalTask{

cmd/dashboard/controller/user.go

@@ -1,8 +1,6 @@
 package controller
 
 import (
-	"errors"
-
 	"github.com/gin-gonic/gin"
 	"github.com/naiba/nezha/model"
 	"github.com/naiba/nezha/service/singleton"
@@ -44,10 +42,10 @@ func createUser(c *gin.Context) (uint64, error) {
 	}
 
 	if len(uf.Password) < 6 {
-		return 0, errors.New("password length must be greater than 6")
+		return 0, singleton.Localizer.ErrorT("password length must be greater than 6")
 	}
 	if uf.Username == "" {
-		return 0, errors.New("username can't be empty")
+		return 0, singleton.Localizer.ErrorT("username can't be empty")
 	}
 
 	var u model.User

go.mod

@@ -6,6 +6,7 @@ toolchain go1.23.1
 
 require (
 	github.com/appleboy/gin-jwt/v2 v2.10.0
+	github.com/chai2010/gettext-go v1.0.3
 	github.com/gin-contrib/pprof v1.4.0
 	github.com/gin-gonic/gin v1.10.0
 	github.com/gorilla/websocket v1.5.1

go.sum

@@ -13,6 +13,8 @@ github.com/bytedance/sonic v1.12.2/go.mod h1:B8Gt/XvtZ3Fqj+iSKMypzymZxw/FVwgIGKz
 github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
 github.com/bytedance/sonic/loader v0.2.0 h1:zNprn+lsIP06C/IqCHs3gPQIvnvpKbbxyXQP1iU4kWM=
 github.com/bytedance/sonic/loader v0.2.0/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
+github.com/chai2010/gettext-go v1.0.3 h1:9liNh8t+u26xl5ddmWLmsOsdNLwkdRTg5AG+JnTiM80=
+github.com/chai2010/gettext-go v1.0.3/go.mod h1:y+wnP2cHYaVj19NZhYKAwEMH2CI1gNHeQQ+5AjwawxA=
 github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y=
 github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
 github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=

model/config.go

@@ -18,7 +18,7 @@ const (
 type Config struct {
 	Debug bool `mapstructure:"debug" json:"debug,omitempty"` // debug模式开关
 
-	Language       string `mapstructure:"language" json:"language,omitempty"` // 系统语言，默认 zh-CN
+	Language       string `mapstructure:"language" json:"language,omitempty"` // 系统语言，默认 zh_CN
 	SiteName       string `mapstructure:"site_name" json:"site_name,omitempty"`
 	JWTSecretKey   string `mapstructure:"jwt_secret_key" json:"jwt_secret_key,omitempty"`
 	AgentSecretKey string `mapstructure:"agent_secret_key" json:"agent_secret_key,omitempty"`

pkg/i18n/i18n.go

@@ -0,0 +1,105 @@
+package i18n
+
+import (
+	"embed"
+	"fmt"
+	"sync"
+
+	"github.com/chai2010/gettext-go"
+)
+
+//go:embed translations
+var Translations embed.FS
+
+var Languages = map[string]string{
+	"zh_CN": "简体中文",
+	"zh_TW": "繁體中文",
+	"en_US": "English",
+	"es_ES": "Español",
+}
+
+type Localizer struct {
+	intlMap map[string]gettext.Gettexter
+	lang    string
+
+	mu sync.RWMutex
+}
+
+func NewLocalizer(lang, domain, path string, data any) *Localizer {
+	intl := gettext.New(domain, path, data)
+	intl.SetLanguage(lang)
+
+	intlMap := make(map[string]gettext.Gettexter)
+	intlMap[lang] = intl
+
+	return &Localizer{intlMap: intlMap, lang: lang}
+}
+
+func (l *Localizer) SetLanguage(lang string) {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	l.lang = lang
+}
+
+func (l *Localizer) Exists(lang string) bool {
+	l.mu.RLock()
+	defer l.mu.RUnlock()
+
+	if _, ok := l.intlMap[lang]; ok {
+		return ok
+	}
+	return false
+}
+
+func (l *Localizer) AppendIntl(lang, domain, path string, data any) {
+	intl := gettext.New(domain, path, data)
+	intl.SetLanguage(lang)
+
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	l.intlMap[lang] = intl
+}
+
+// Modified from k8s.io/kubectl/pkg/util/i18n
+
+func (l *Localizer) T(orig string) string {
+	l.mu.RLock()
+	intl, ok := l.intlMap[l.lang]
+	l.mu.RUnlock()
+	if !ok {
+		return orig
+	}
+
+	return intl.PGettext("", orig)
+}
+
+// N translates a string, possibly substituting arguments into it along
+// the way. If len(args) is > 0, args1 is assumed to be the plural value
+// and plural translation is used.
+func (l *Localizer) N(orig string, args ...int) string {
+	l.mu.RLock()
+	intl, ok := l.intlMap[l.lang]
+	l.mu.RUnlock()
+	if !ok {
+		return orig
+	}
+
+	if len(args) == 0 {
+		return intl.PGettext("", orig)
+	}
+	return fmt.Sprintf(intl.PNGettext("", orig, orig+".plural", args[0]),
+		args[0])
+}
+
+// ErrorT produces an error with a translated error string.
+// Substitution is performed via the `T` function above, following
+// the same rules.
+func (l *Localizer) ErrorT(defaultValue string, args ...any) error {
+	return fmt.Errorf(l.T(defaultValue), args...)
+}
+
+func (l *Localizer) Tf(defaultValue string, args ...any) string {
+	return fmt.Sprintf(l.T(defaultValue), args...)
+}

pkg/i18n/template.pot

@@ -0,0 +1,220 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-11-01 05:06+0800\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cmd/dashboard/controller/alertrule.go:100
+#, c-format
+msgid "alert id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/alertrule.go:155
+msgid "duration need to be at least 3"
+msgstr ""
+
+#: cmd/dashboard/controller/alertrule.go:159
+msgid "cycle_interval need to be at least 1"
+msgstr ""
+
+#: cmd/dashboard/controller/alertrule.go:162
+msgid "cycle_start is not set"
+msgstr ""
+
+#: cmd/dashboard/controller/alertrule.go:165
+msgid "cycle_start is a future value"
+msgstr ""
+
+#: cmd/dashboard/controller/alertrule.go:170
+msgid "need to configure at least a single rule"
+msgstr ""
+
+#: cmd/dashboard/controller/controller.go:188
+msgid "database error"
+msgstr ""
+
+#: cmd/dashboard/controller/cron.go:63 cmd/dashboard/controller/cron.go:122
+msgid "scheduled tasks cannot be triggered by alarms"
+msgstr ""
+
+#: cmd/dashboard/controller/cron.go:161
+#, c-format
+msgid "task id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/ddns.go:56 cmd/dashboard/controller/ddns.go:120
+msgid "the retry count must be an integer between 1 and 10"
+msgstr ""
+
+#: cmd/dashboard/controller/ddns.go:79 cmd/dashboard/controller/ddns.go:148
+msgid "error parsing %s: %v"
+msgstr ""
+
+#: cmd/dashboard/controller/ddns.go:125 cmd/dashboard/controller/nat.go:95
+#, c-format
+msgid "profile id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/fm.go:45 cmd/dashboard/controller/terminal.go:43
+msgid "server not found or not connected"
+msgstr ""
+
+#: cmd/dashboard/controller/notification.go:67
+#: cmd/dashboard/controller/notification.go:125
+msgid "a test message"
+msgstr ""
+
+#: cmd/dashboard/controller/notification.go:106
+#, c-format
+msgid "notification id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/notification_group.go:80
+#: cmd/dashboard/controller/notification_group.go:142
+msgid "have invalid notification id"
+msgstr ""
+
+#: cmd/dashboard/controller/notification_group.go:131
+#: cmd/dashboard/controller/server_group.go:130
+#, c-format
+msgid "group id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/server.go:59
+#, c-format
+msgid "server id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/server_group.go:78
+#: cmd/dashboard/controller/server_group.go:139
+msgid "have invalid server id"
+msgstr ""
+
+#: cmd/dashboard/controller/service.go:79
+#: cmd/dashboard/controller/service.go:155
+msgid "server not found"
+msgstr ""
+
+#: cmd/dashboard/controller/service.go:86
+msgid "unauthorized"
+msgstr ""
+
+#: cmd/dashboard/controller/service.go:247
+#, c-format
+msgid "service id %d does not exist"
+msgstr ""
+
+#: cmd/dashboard/controller/user.go:45
+msgid "password length must be greater than 6"
+msgstr ""
+
+#: cmd/dashboard/controller/user.go:48
+msgid "username can't be empty"
+msgstr ""
+
+#: service/rpc/io_stream.go:122
+msgid "timeout: no connection established"
+msgstr ""
+
+#: service/rpc/io_stream.go:125
+msgid "timeout: user connection not established"
+msgstr ""
+
+#: service/rpc/io_stream.go:128
+msgid "timeout: agent connection not established"
+msgstr ""
+
+#: service/rpc/nezha.go:57
+msgid "Scheduled Task Executed Successfully"
+msgstr ""
+
+#: service/rpc/nezha.go:61
+msgid "Scheduled Task Executed Failed"
+msgstr ""
+
+#: service/rpc/nezha.go:156
+msgid "IP Changed"
+msgstr ""
+
+#: service/singleton/alertsentinel.go:159
+msgid "Incident"
+msgstr ""
+
+#: service/singleton/alertsentinel.go:169
+msgid "Resolved"
+msgstr ""
+
+#: service/singleton/crontask.go:52
+msgid "Tasks failed to register: ["
+msgstr ""
+
+#: service/singleton/crontask.go:59
+msgid ""
+"] These tasks will not execute properly. Fix them in the admin dashboard."
+msgstr ""
+
+#: service/singleton/crontask.go:150 service/singleton/crontask.go:175
+#, c-format
+msgid "[Task failed] %s: server %s is offline and cannot execute the task"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:439
+#, c-format
+msgid "[Latency] %s %2f > %2f, Reporter: %s"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:446
+#, c-format
+msgid "[Latency] %s %2f < %2f, Reporter: %s"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:472
+#, c-format
+msgid "[%s] %s Reporter: %s, Error: %s"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:515
+#, c-format
+msgid "[SSL] Fetch cert info failed, %s %s"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:555
+#, c-format
+msgid "The SSL certificate will expire within seven days. Expiration time: %s"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:568
+#, c-format
+msgid ""
+"SSL certificate changed, old: issuer %s, expires at %s; new: issuer %s, "
+"expires at %s"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:604
+msgid "No Data"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:606
+msgid "Good"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:608
+msgid "Low Availability"
+msgstr ""
+
+#: service/singleton/servicesentinel.go:610
+msgid "Down"
+msgstr ""

pkg/i18n/translations/en_US/LC_MESSAGES/nezha.po

@@ -0,0 +1,225 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-11-01 04:58+0800\n"
+"PO-Revision-Date: 2024-11-01 05:05+0800\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"Language: en_US\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 3.5\n"
+
+#: cmd/dashboard/controller/alertrule.go:100
+#, c-format
+msgid "alert id %d does not exist"
+msgstr "alert id %d does not exist"
+
+#: cmd/dashboard/controller/alertrule.go:155
+msgid "duration need to be at least 3"
+msgstr "duration need to be at least 3"
+
+#: cmd/dashboard/controller/alertrule.go:159
+msgid "cycle_interval need to be at least 1"
+msgstr "cycle_interval need to be at least 1"
+
+#: cmd/dashboard/controller/alertrule.go:162
+msgid "cycle_start is not set"
+msgstr "cycle_start is not set"
+
+#: cmd/dashboard/controller/alertrule.go:165
+msgid "cycle_start is a future value"
+msgstr "cycle_start is a future value"
+
+#: cmd/dashboard/controller/alertrule.go:170
+msgid "need to configure at least a single rule"
+msgstr "need to configure at least a single rule"
+
+#: cmd/dashboard/controller/controller.go:188
+msgid "database error"
+msgstr "database error"
+
+#: cmd/dashboard/controller/cron.go:63 cmd/dashboard/controller/cron.go:122
+msgid "scheduled tasks cannot be triggered by alarms"
+msgstr "scheduled tasks cannot be triggered by alarms"
+
+#: cmd/dashboard/controller/cron.go:161
+#, c-format
+msgid "task id %d does not exist"
+msgstr "task id %d does not exist"
+
+#: cmd/dashboard/controller/ddns.go:56 cmd/dashboard/controller/ddns.go:120
+msgid "the retry count must be an integer between 1 and 10"
+msgstr "the retry count must be an integer between 1 and 10"
+
+#: cmd/dashboard/controller/ddns.go:79 cmd/dashboard/controller/ddns.go:148
+msgid "error parsing %s: %v"
+msgstr "error parsing %s: %v"
+
+#: cmd/dashboard/controller/ddns.go:125 cmd/dashboard/controller/nat.go:95
+#, c-format
+msgid "profile id %d does not exist"
+msgstr "profile id %d does not exist"
+
+#: cmd/dashboard/controller/fm.go:45 cmd/dashboard/controller/terminal.go:43
+msgid "server not found or not connected"
+msgstr "server not found or not connected"
+
+#: cmd/dashboard/controller/notification.go:67
+#: cmd/dashboard/controller/notification.go:125
+msgid "a test message"
+msgstr "a test message"
+
+#: cmd/dashboard/controller/notification.go:106
+#, c-format
+msgid "notification id %d does not exist"
+msgstr "notification id %d does not exist"
+
+#: cmd/dashboard/controller/notification_group.go:80
+#: cmd/dashboard/controller/notification_group.go:142
+msgid "have invalid notification id"
+msgstr "have invalid notification id"
+
+#: cmd/dashboard/controller/notification_group.go:131
+#: cmd/dashboard/controller/server_group.go:130
+#, c-format
+msgid "group id %d does not exist"
+msgstr "group id %d does not exist"
+
+#: cmd/dashboard/controller/server.go:59
+#, c-format
+msgid "server id %d does not exist"
+msgstr "server id %d does not exist"
+
+#: cmd/dashboard/controller/server_group.go:78
+#: cmd/dashboard/controller/server_group.go:139
+msgid "have invalid server id"
+msgstr "have invalid server id"
+
+#: cmd/dashboard/controller/service.go:79
+#: cmd/dashboard/controller/service.go:155
+msgid "server not found"
+msgstr "server not found"
+
+#: cmd/dashboard/controller/service.go:86
+msgid "unauthorized"
+msgstr "unauthorized"
+
+#: cmd/dashboard/controller/service.go:247
+#, c-format
+msgid "service id %d does not exist"
+msgstr "service id %d does not exist"
+
+#: cmd/dashboard/controller/user.go:45
+msgid "password length must be greater than 6"
+msgstr "password length must be greater than 6"
+
+#: cmd/dashboard/controller/user.go:48
+msgid "username can't be empty"
+msgstr "username can't be empty"
+
+#: service/rpc/io_stream.go:122
+msgid "timeout: no connection established"
+msgstr "timeout: no connection established"
+
+#: service/rpc/io_stream.go:125
+msgid "timeout: user connection not established"
+msgstr "timeout: user connection not established"
+
+#: service/rpc/io_stream.go:128
+msgid "timeout: agent connection not established"
+msgstr "timeout: agent connection not established"
+
+#: service/rpc/nezha.go:57
+msgid "Scheduled Task Executed Successfully"
+msgstr "Scheduled Task Executed Successfully"
+
+#: service/rpc/nezha.go:61
+msgid "Scheduled Task Executed Failed"
+msgstr "Scheduled Task Executed Failed"
+
+#: service/rpc/nezha.go:156
+msgid "IP Changed"
+msgstr "IP Changed"
+
+#: service/singleton/alertsentinel.go:159
+msgid "Incident"
+msgstr "Incident"
+
+#: service/singleton/alertsentinel.go:169
+msgid "Resolved"
+msgstr "Resolved"
+
+#: service/singleton/crontask.go:52
+msgid "Tasks failed to register: ["
+msgstr "Tasks failed to register: ["
+
+#: service/singleton/crontask.go:59
+msgid ""
+"] These tasks will not execute properly. Fix them in the admin dashboard."
+msgstr ""
+"] These tasks will not execute properly. Fix them in the admin dashboard."
+
+#: service/singleton/crontask.go:150 service/singleton/crontask.go:175
+#, c-format
+msgid "[Task failed] %s: server %s is offline and cannot execute the task"
+msgstr "[Task failed] %s: server %s is offline and cannot execute the task"
+
+#: service/singleton/servicesentinel.go:439
+#, c-format
+msgid "[Latency] %s %2f > %2f, Reporter: %s"
+msgstr "[Latency] %s %2f > %2f, Reporter: %s"
+
+#: service/singleton/servicesentinel.go:446
+#, c-format
+msgid "[Latency] %s %2f < %2f, Reporter: %s"
+msgstr "[Latency] %s %2f < %2f, Reporter: %s"
+
+#: service/singleton/servicesentinel.go:472
+#, c-format
+msgid "[%s] %s Reporter: %s, Error: %s"
+msgstr "[%s] %s Reporter: %s, Error: %s"
+
+#: service/singleton/servicesentinel.go:515
+#, c-format
+msgid "[SSL] Fetch cert info failed, %s %s"
+msgstr "[SSL] Fetch cert info failed, %s %s"
+
+#: service/singleton/servicesentinel.go:555
+#, c-format
+msgid "The SSL certificate will expire within seven days. Expiration time: %s"
+msgstr "The SSL certificate will expire within seven days. Expiration time: %s"
+
+#: service/singleton/servicesentinel.go:568
+#, c-format
+#| msgid "SSL certificate changed, old: %s, %s expired; new: %s, %s expired."
+msgid ""
+"SSL certificate changed, old: issuer %s, expires at %s; new: issuer %s, "
+"expires at %s"
+msgstr ""
+"SSL certificate changed, old: issuer %s, expires at %s; new: issuer %s, "
+"expires at %s"
+
+#: service/singleton/servicesentinel.go:604
+msgid "No Data"
+msgstr "No Data"
+
+#: service/singleton/servicesentinel.go:606
+msgid "Good"
+msgstr "Good"
+
+#: service/singleton/servicesentinel.go:608
+msgid "Low Availability"
+msgstr "Low Availability"
+
+#: service/singleton/servicesentinel.go:610
+msgid "Down"
+msgstr "Down"

pkg/i18n/translations/zh_CN/LC_MESSAGES/nezha.po

@@ -0,0 +1,222 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-11-01 04:58+0800\n"
+"PO-Revision-Date: 2024-11-01 05:05+0800\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"Language: zh_CN\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 3.5\n"
+
+#: cmd/dashboard/controller/alertrule.go:100
+#, c-format
+msgid "alert id %d does not exist"
+msgstr "告警 ID %d 不存在"
+
+#: cmd/dashboard/controller/alertrule.go:155
+msgid "duration need to be at least 3"
+msgstr "duration 至少为 3"
+
+#: cmd/dashboard/controller/alertrule.go:159
+msgid "cycle_interval need to be at least 1"
+msgstr "cycle_interval 至少为 1"
+
+#: cmd/dashboard/controller/alertrule.go:162
+msgid "cycle_start is not set"
+msgstr "cycle_start 未设置"
+
+#: cmd/dashboard/controller/alertrule.go:165
+msgid "cycle_start is a future value"
+msgstr "cycle_start 是未来值"
+
+#: cmd/dashboard/controller/alertrule.go:170
+msgid "need to configure at least a single rule"
+msgstr "需要至少定义一条规则"
+
+#: cmd/dashboard/controller/controller.go:188
+msgid "database error"
+msgstr "数据库错误"
+
+#: cmd/dashboard/controller/cron.go:63 cmd/dashboard/controller/cron.go:122
+msgid "scheduled tasks cannot be triggered by alarms"
+msgstr "计划任务不能被告警触发"
+
+#: cmd/dashboard/controller/cron.go:161
+#, c-format
+msgid "task id %d does not exist"
+msgstr "任务 id %d 不存在"
+
+#: cmd/dashboard/controller/ddns.go:56 cmd/dashboard/controller/ddns.go:120
+msgid "the retry count must be an integer between 1 and 10"
+msgstr "重试次数必须为大于 1 且不超过 10 的整数"
+
+#: cmd/dashboard/controller/ddns.go:79 cmd/dashboard/controller/ddns.go:148
+msgid "error parsing %s: %v"
+msgstr "解析 %s 时发生错误：%v"
+
+#: cmd/dashboard/controller/ddns.go:125 cmd/dashboard/controller/nat.go:95
+#, c-format
+msgid "profile id %d does not exist"
+msgstr "配置 id %d 不存在"
+
+#: cmd/dashboard/controller/fm.go:45 cmd/dashboard/controller/terminal.go:43
+msgid "server not found or not connected"
+msgstr "服务器未找到或仍未连接"
+
+#: cmd/dashboard/controller/notification.go:67
+#: cmd/dashboard/controller/notification.go:125
+msgid "a test message"
+msgstr "一条测试信息"
+
+#: cmd/dashboard/controller/notification.go:106
+#, c-format
+msgid "notification id %d does not exist"
+msgstr "通知方式 id %d 不存在"
+
+#: cmd/dashboard/controller/notification_group.go:80
+#: cmd/dashboard/controller/notification_group.go:142
+msgid "have invalid notification id"
+msgstr "通知方式 id 无效"
+
+#: cmd/dashboard/controller/notification_group.go:131
+#: cmd/dashboard/controller/server_group.go:130
+#, c-format
+msgid "group id %d does not exist"
+msgstr "组 id %d 不存在"
+
+#: cmd/dashboard/controller/server.go:59
+#, c-format
+msgid "server id %d does not exist"
+msgstr "服务器 id %d 不存在"
+
+#: cmd/dashboard/controller/server_group.go:78
+#: cmd/dashboard/controller/server_group.go:139
+msgid "have invalid server id"
+msgstr "服务器 id 无效"
+
+#: cmd/dashboard/controller/service.go:79
+#: cmd/dashboard/controller/service.go:155
+msgid "server not found"
+msgstr "未找到服务器"
+
+#: cmd/dashboard/controller/service.go:86
+msgid "unauthorized"
+msgstr "未授权"
+
+#: cmd/dashboard/controller/service.go:247
+#, c-format
+msgid "service id %d does not exist"
+msgstr "服务 id %d 不存在"
+
+#: cmd/dashboard/controller/user.go:45
+msgid "password length must be greater than 6"
+msgstr "密码长度必须大于6"
+
+#: cmd/dashboard/controller/user.go:48
+msgid "username can't be empty"
+msgstr "用户名不能为空"
+
+#: service/rpc/io_stream.go:122
+msgid "timeout: no connection established"
+msgstr "超时：无连接建立"
+
+#: service/rpc/io_stream.go:125
+msgid "timeout: user connection not established"
+msgstr "超时：用户连接未建立"
+
+#: service/rpc/io_stream.go:128
+msgid "timeout: agent connection not established"
+msgstr "超时：agent 连接未建立"
+
+#: service/rpc/nezha.go:57
+msgid "Scheduled Task Executed Successfully"
+msgstr "计划任务执行成功"
+
+#: service/rpc/nezha.go:61
+msgid "Scheduled Task Executed Failed"
+msgstr "计划任务执行失败"
+
+#: service/rpc/nezha.go:156
+msgid "IP Changed"
+msgstr "IP变更"
+
+#: service/singleton/alertsentinel.go:159
+msgid "Incident"
+msgstr "事件"
+
+#: service/singleton/alertsentinel.go:169
+msgid "Resolved"
+msgstr "恢复"
+
+#: service/singleton/crontask.go:52
+msgid "Tasks failed to register: ["
+msgstr "注册失败的任务：["
+
+#: service/singleton/crontask.go:59
+msgid ""
+"] These tasks will not execute properly. Fix them in the admin dashboard."
+msgstr "这些任务将无法正常执行,请进入后点重新修改保存。"
+
+#: service/singleton/crontask.go:150 service/singleton/crontask.go:175
+#, c-format
+msgid "[Task failed] %s: server %s is offline and cannot execute the task"
+msgstr "[任务失败] %s，服务器 %s 离线，无法执行"
+
+#: service/singleton/servicesentinel.go:439
+#, c-format
+msgid "[Latency] %s %2f > %2f, Reporter: %s"
+msgstr "[延迟告警] %s %2f > %2f, 报告服务: %s"
+
+#: service/singleton/servicesentinel.go:446
+#, c-format
+msgid "[Latency] %s %2f < %2f, Reporter: %s"
+msgstr "[延迟告警] %s %2f < %2f, 报告服务: %s"
+
+#: service/singleton/servicesentinel.go:472
+#, c-format
+msgid "[%s] %s Reporter: %s, Error: %s"
+msgstr "[%s] %s 报告服务: %s, 错误信息: %s"
+
+#: service/singleton/servicesentinel.go:515
+#, c-format
+msgid "[SSL] Fetch cert info failed, %s %s"
+msgstr "[SSL] 获取证书信息失败, %s %s"
+
+#: service/singleton/servicesentinel.go:555
+#, c-format
+msgid "The SSL certificate will expire within seven days. Expiration time: %s"
+msgstr "SSL 证书将在 7 天内过期。过期时间为：%s"
+
+#: service/singleton/servicesentinel.go:568
+#, c-format
+msgid ""
+"SSL certificate changed, old: issuer %s, expires at %s; new: issuer %s, "
+"expires at %s"
+msgstr ""
+"SSL 证书发生更改，旧值：颁发者 %s，过期日 %s；新值：颁发者 %s，过期日 %s"
+
+#: service/singleton/servicesentinel.go:604
+msgid "No Data"
+msgstr "无数据"
+
+#: service/singleton/servicesentinel.go:606
+msgid "Good"
+msgstr "正常"
+
+#: service/singleton/servicesentinel.go:608
+msgid "Low Availability"
+msgstr "低可用"
+
+#: service/singleton/servicesentinel.go:610
+msgid "Down"
+msgstr "故障"

service/rpc/io_stream.go

@@ -6,6 +6,8 @@ import (
 	"sync"
 	"sync/atomic"
 	"time"
+
+	"github.com/naiba/nezha/service/singleton"
 )
 
 type ioStreamContext struct {
@@ -117,13 +119,13 @@ LOOP:
 	}
 
 	if stream.userIo == nil && stream.agentIo == nil {
-		return errors.New("timeout: no connection established")
+		return singleton.Localizer.ErrorT("timeout: no connection established")
 	}
 	if stream.userIo == nil {
-		return errors.New("timeout: user connection not established")
+		return singleton.Localizer.ErrorT("timeout: user connection not established")
 	}
 	if stream.agentIo == nil {
-		return errors.New("timeout: agent connection not established")
+		return singleton.Localizer.ErrorT("timeout: agent connection not established")
 	}
 
 	isDone := new(atomic.Bool)

service/rpc/nezha.go

@@ -54,11 +54,11 @@ func (s *NezhaHandler) ReportTask(c context.Context, r *pb.TaskResult) (*pb.Rece
 			curServer := model.Server{}
 			copier.Copy(&curServer, singleton.ServerList[clientID])
 			if cr.PushSuccessful && r.GetSuccessful() {
-				singleton.SendNotification(cr.NotificationGroupID, fmt.Sprintf("[%s] %s, %s\n%s", "Scheduled Task Executed Successfully",
+				singleton.SendNotification(cr.NotificationGroupID, fmt.Sprintf("[%s] %s, %s\n%s", singleton.Localizer.T("Scheduled Task Executed Successfully"),
 					cr.Name, singleton.ServerList[clientID].Name, r.GetData()), nil, &curServer)
 			}
 			if !r.GetSuccessful() {
-				singleton.SendNotification(cr.NotificationGroupID, fmt.Sprintf("[%s] %s, %s\n%s", "Scheduled Task Executed Failed",
+				singleton.SendNotification(cr.NotificationGroupID, fmt.Sprintf("[%s] %s, %s\n%s", singleton.Localizer.T("Scheduled Task Executed Failed"),
 					cr.Name, singleton.ServerList[clientID].Name, r.GetData()), nil, &curServer)
 			}
 			singleton.DB.Model(cr).Updates(model.Cron{
@@ -153,7 +153,7 @@ func (s *NezhaHandler) ReportSystemInfo(c context.Context, r *pb.Host) (*pb.Rece
 		singleton.SendNotification(singleton.Conf.IPChangeNotificationGroupID,
 			fmt.Sprintf(
 				"[%s] %s, %s => %s",
-				"IPChanged",
+				singleton.Localizer.T("IP Changed"),
 				singleton.ServerList[clientID].Name, singleton.IPDesensitize(singleton.ServerList[clientID].Host.IP),
 				singleton.IPDesensitize(host.IP),
 			),

service/singleton/alertsentinel.go

@@ -156,7 +156,7 @@ func checkStatus() {
 				// 始终触发模式或上次检查不为失败时触发报警（跳过单次触发+上次失败的情况）
 				if alert.TriggerMode == model.ModeAlwaysTrigger || alertsPrevState[alert.ID][server.ID] != _RuleCheckFail {
 					alertsPrevState[alert.ID][server.ID] = _RuleCheckFail
-					message := fmt.Sprintf("[%s] %s(%s) %s", "Incident",
+					message := fmt.Sprintf("[%s] %s(%s) %s", Localizer.T("Incident"),
 						server.Name, IPDesensitize(server.Host.IP), alert.Name)
 					go SendTriggerTasks(alert.FailTriggerTasks, curServer.ID)
 					go SendNotification(alert.NotificationGroupID, message, NotificationMuteLabel.ServerIncident(server.ID, alert.ID), &curServer)
@@ -166,7 +166,7 @@ func checkStatus() {
 			} else {
 				// 本次通过检查但上一次的状态为失败，则发送恢复通知
 				if alertsPrevState[alert.ID][server.ID] == _RuleCheckFail {
-					message := fmt.Sprintf("[%s] %s(%s) %s", "Resolved",
+					message := fmt.Sprintf("[%s] %s(%s) %s", Localizer.T("Resolved"),
 						server.Name, IPDesensitize(server.Host.IP), alert.Name)
 					go SendTriggerTasks(alert.RecoverTriggerTasks, curServer.ID)
 					go SendNotification(alert.NotificationGroupID, message, NotificationMuteLabel.ServerIncidentResolved(server.ID, alert.ID), &curServer)

service/singleton/crontask.go

@@ -34,29 +34,29 @@ func loadCronTasks() {
 	var err error
 	var notificationGroupList []uint64
 	notificationMsgMap := make(map[uint64]*bytes.Buffer)
-	for i := 0; i < len(CronList); i++ {
+	for _, cron := range CronList {
 		// 触发任务类型无需注册
-		if CronList[i].TaskType == model.CronTypeTriggerTask {
+		if cron.TaskType == model.CronTypeTriggerTask {
-			Crons[CronList[i].ID] = CronList[i]
+			Crons[cron.ID] = cron
 			continue
 		}
 		// 注册计划任务
-		CronList[i].CronJobID, err = Cron.AddFunc(CronList[i].Scheduler, CronTrigger(CronList[i]))
+		cron.CronJobID, err = Cron.AddFunc(cron.Scheduler, CronTrigger(cron))
 		if err == nil {
-			Crons[CronList[i].ID] = CronList[i]
+			Crons[cron.ID] = cron
 		} else {
 			// 当前通知组首次出现 将其加入通知组列表并初始化通知组消息缓存
-			if _, ok := notificationMsgMap[CronList[i].NotificationGroupID]; !ok {
+			if _, ok := notificationMsgMap[cron.NotificationGroupID]; !ok {
-				notificationGroupList = append(notificationGroupList, CronList[i].NotificationGroupID)
+				notificationGroupList = append(notificationGroupList, cron.NotificationGroupID)
-				notificationMsgMap[CronList[i].NotificationGroupID] = bytes.NewBufferString("")
+				notificationMsgMap[cron.NotificationGroupID] = bytes.NewBufferString("")
-				notificationMsgMap[CronList[i].NotificationGroupID].WriteString("调度失败的计划任务：[")
+				notificationMsgMap[cron.NotificationGroupID].WriteString(Localizer.T("Tasks failed to register: ["))
 			}
-			notificationMsgMap[CronList[i].NotificationGroupID].WriteString(fmt.Sprintf("%d,", CronList[i].ID))
+			notificationMsgMap[cron.NotificationGroupID].WriteString(fmt.Sprintf("%d,", cron.ID))
 		}
 	}
 	// 向注册错误的计划任务所在通知组发送通知
 	for _, gid := range notificationGroupList {
-		notificationMsgMap[gid].WriteString("] 这些任务将无法正常执行,请进入后点重新修改保存。")
+		notificationMsgMap[gid].WriteString(Localizer.T("] These tasks will not execute properly. Fix them in the admin dashboard."))
 		SendNotification(gid, notificationMsgMap[gid].String(), nil)
 	}
 	Cron.Start()
@@ -147,7 +147,7 @@ func CronTrigger(cr *model.Cron, triggerServer ...uint64) func() {
 					// 保存当前服务器状态信息
 					curServer := model.Server{}
 					copier.Copy(&curServer, s)
-					SendNotification(cr.NotificationGroupID, fmt.Sprintf("[任务失败] %s，服务器 %s 离线，无法执行。", cr.Name, s.Name), nil, &curServer)
+					SendNotification(cr.NotificationGroupID, Localizer.Tf("[Task failed] %s: server %s is offline and cannot execute the task", cr.Name, s.Name), nil, &curServer)
 				}
 			}
 			return
@@ -172,7 +172,7 @@ func CronTrigger(cr *model.Cron, triggerServer ...uint64) func() {
 				// 保存当前服务器状态信息
 				curServer := model.Server{}
 				copier.Copy(&curServer, s)
-				SendNotification(cr.NotificationGroupID, fmt.Sprintf("[任务失败] %s，服务器 %s 离线，无法执行。", cr.Name, s.Name), nil, &curServer)
+				SendNotification(cr.NotificationGroupID, Localizer.Tf("[Task failed] %s: server %s is offline and cannot execute the task", cr.Name, s.Name), nil, &curServer)
 			}
 		}
 	}

service/singleton/i18n.go

@@ -0,0 +1,80 @@
+package singleton
+
+import (
+	"archive/zip"
+	"bytes"
+	"fmt"
+	"log"
+
+	"github.com/naiba/nezha/pkg/i18n"
+)
+
+const domain = "nezha"
+
+var Localizer *i18n.Localizer
+
+func initI18n() {
+	if err := loadTranslation(); err != nil {
+		log.Printf("NEZHA>> init i18n failed: %v", err)
+	}
+}
+
+func loadTranslation() error {
+	lang := Conf.Language
+	if lang == "" {
+		lang = "zh_CN"
+	}
+
+	data, err := getTranslationArchive(lang)
+	if err != nil {
+		return err
+	}
+
+	Localizer = i18n.NewLocalizer(lang, domain, domain+".zip", data)
+	return nil
+}
+
+func OnUpdateLang(lang string) error {
+	if Localizer.Exists(lang) {
+		Localizer.SetLanguage(lang)
+		return nil
+	}
+
+	data, err := getTranslationArchive(lang)
+	if err != nil {
+		return err
+	}
+
+	Localizer.AppendIntl(lang, domain, domain+".zip", data)
+	Localizer.SetLanguage(lang)
+	return nil
+}
+
+func getTranslationArchive(lang string) ([]byte, error) {
+	files := [...]string{
+		fmt.Sprintf("translations/%s/LC_MESSAGES/%s.po", lang, domain),
+		fmt.Sprintf("translations/%s/LC_MESSAGES/%s.mo", lang, domain),
+	}
+
+	buf := new(bytes.Buffer)
+	w := zip.NewWriter(buf)
+
+	for _, file := range files {
+		f, err := w.Create(file)
+		if err != nil {
+			return nil, err
+		}
+		data, err := i18n.Translations.ReadFile(file)
+		if err != nil {
+			return nil, err
+		}
+		if _, err := f.Write(data); err != nil {
+			return nil, err
+		}
+	}
+	if err := w.Close(); err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}

service/singleton/servicesentinel.go

@@ -436,14 +436,14 @@ func (ss *ServiceSentinel) worker() {
 					// 延迟超过最大值
 					ServerLock.RLock()
 					reporterServer := ServerList[r.Reporter]
-					msg := fmt.Sprintf("[Latency] %s %2f > %2f, Reporter: %s", ss.Services[mh.GetId()].Name, mh.Delay, ss.Services[mh.GetId()].MaxLatency, reporterServer.Name)
+					msg := Localizer.Tf("[Latency] %s %2f > %2f, Reporter: %s", ss.Services[mh.GetId()].Name, mh.Delay, ss.Services[mh.GetId()].MaxLatency, reporterServer.Name)
 					go SendNotification(notificationGroupID, msg, minMuteLabel)
 					ServerLock.RUnlock()
 				} else if mh.Delay < ss.Services[mh.GetId()].MinLatency {
 					// 延迟低于最小值
 					ServerLock.RLock()
 					reporterServer := ServerList[r.Reporter]
-					msg := fmt.Sprintf("[Latency] %s %2f < %2f, Reporter: %s", ss.Services[mh.GetId()].Name, mh.Delay, ss.Services[mh.GetId()].MinLatency, reporterServer.Name)
+					msg := Localizer.Tf("[Latency] %s %2f < %2f, Reporter: %s", ss.Services[mh.GetId()].Name, mh.Delay, ss.Services[mh.GetId()].MinLatency, reporterServer.Name)
 					go SendNotification(notificationGroupID, msg, maxMuteLabel)
 					ServerLock.RUnlock()
 				} else {
@@ -469,7 +469,7 @@ func (ss *ServiceSentinel) worker() {
 
 				reporterServer := ServerList[r.Reporter]
 				notificationGroupID := ss.Services[mh.GetId()].NotificationGroupID
-				notificationMsg := fmt.Sprintf("[%s] %s Reporter: %s, Error: %s", StatusCodeToString(stateCode), ss.Services[mh.GetId()].Name, reporterServer.Name, mh.Data)
+				notificationMsg := Localizer.Tf("[%s] %s Reporter: %s, Error: %s", StatusCodeToString(stateCode), ss.Services[mh.GetId()].Name, reporterServer.Name, mh.Data)
 				muteLabel := NotificationMuteLabel.ServiceStateChanged(mh.GetId())
 
 				// 状态变更时，清除静音缓存
@@ -512,7 +512,7 @@ func (ss *ServiceSentinel) worker() {
 				ss.ServicesLock.RLock()
 				if ss.Services[mh.GetId()].Notify {
 					muteLabel := NotificationMuteLabel.ServiceSSL(mh.GetId(), "network")
-					go SendNotification(ss.Services[mh.GetId()].NotificationGroupID, fmt.Sprintf("[SSL] Fetch cert info failed, %s %s", ss.Services[mh.GetId()].Name, errMsg), muteLabel)
+					go SendNotification(ss.Services[mh.GetId()].NotificationGroupID, Localizer.Tf("[SSL] Fetch cert info failed, %s %s", ss.Services[mh.GetId()].Name, errMsg), muteLabel)
 				}
 				ss.ServicesLock.RUnlock()
 
@@ -551,7 +551,7 @@ func (ss *ServiceSentinel) worker() {
 					// 证书过期提醒
 					if expiresNew.Before(time.Now().AddDate(0, 0, 7)) {
 						expiresTimeStr := expiresNew.Format("2006-01-02 15:04:05")
-						errMsg = fmt.Sprintf(
+						errMsg = Localizer.Tf(
 							"The SSL certificate will expire within seven days. Expiration time: %s",
 							expiresTimeStr,
 						)
@@ -564,8 +564,8 @@ func (ss *ServiceSentinel) worker() {
 
 					// 证书变更提醒
 					if isCertChanged {
-						errMsg = fmt.Sprintf(
+						errMsg = Localizer.Tf(
-							"SSL certificate changed, old: %s, %s expired; new: %s, %s expired.",
+							"SSL certificate changed, old: issuer %s, expires at %s; new: issuer %s, expires at %s",
 							oldCert[0], expiresOld.Format("2006-01-02 15:04:05"), newCert[0], expiresNew.Format("2006-01-02 15:04:05"))
 
 						// 证书变更后会自动更新缓存，所以不需要静音
@@ -601,17 +601,13 @@ func GetStatusCode[T float32 | uint64](percent T) int {
 func StatusCodeToString(statusCode int) string {
 	switch statusCode {
 	case StatusNoData:
-		// return Localizer.MustLocalize(&i18n.LocalizeConfig{MessageID: "StatusNoData"})
+		return Localizer.T("No Data")
-		return "No Data"
 	case StatusGood:
-		// return Localizer.MustLocalize(&i18n.LocalizeConfig{MessageID: "StatusGood"})
+		return Localizer.T("Good")
-		return "Good"
 	case StatusLowAvailability:
-		// return Localizer.MustLocalize(&i18n.LocalizeConfig{MessageID: "StatusLowAvailability"})
+		return Localizer.T("Low Availability")
-		return "Low Availability"
 	case StatusDown:
-		// return Localizer.MustLocalize(&i18n.LocalizeConfig{MessageID: "StatusDown"})
+		return Localizer.T("Down")
-		return "Down"
 	default:
 		return ""
 	}

service/singleton/singleton.go

@@ -33,6 +33,7 @@ func InitTimezoneAndCache() {
 
 // LoadSingleton 加载子服务并执行
 func LoadSingleton() {
+	initI18n()          // 加载本地化服务
 	loadNotifications() // 加载通知服务
 	loadServers()       // 加载服务器列表
 	loadCronTasks()     // 加载定时任务