From ff9f9181b614c0283bcad80a71493f7013ef8015 Mon Sep 17 00:00:00 2001
From: GoEdgeLab <goedgecloud@gmail.com>
Date: Tue, 21 Mar 2023 11:41:40 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96CNAME=E6=9F=A5=E8=AF=A2?=
 =?UTF-8?q?=E7=A8=8B=E5=BA=8F?=
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---
 internal/const/vars.go                 | 19 +++++++++++++++
 internal/utils/lookup.go               | 32 ++++++++++++++++++--------
 internal/utils/lookup_test.go          | 12 ++++++++++
 internal/utils/upgrade_manager_test.go |  2 +-
 web/views/@default/servers/index.js    |  1 +
 5 files changed, 56 insertions(+), 10 deletions(-)
 create mode 100644 internal/utils/lookup_test.go

diff --git a/internal/const/vars.go b/internal/const/vars.go
index 5e80d002..fe62eb43 100644
--- a/internal/const/vars.go
+++ b/internal/const/vars.go
@@ -2,6 +2,11 @@
 
 package teaconst
 
+import (
+	"os"
+	"strings"
+)
+
 var (
 	IsRecoverMode = false
 
@@ -10,4 +15,18 @@ var (
 
 	NewVersionCode        = "" // 有新的版本
 	NewVersionDownloadURL = "" // 新版本下载地址
+
+	IsMain = checkMain()
 )
+
+// 检查是否为主程序
+func checkMain() bool {
+	if len(os.Args) == 1 ||
+		(len(os.Args) >= 2 && os.Args[1] == "pprof") {
+		return true
+	}
+	exe, _ := os.Executable()
+	return strings.HasSuffix(exe, ".test") ||
+		strings.HasSuffix(exe, ".test.exe") ||
+		strings.Contains(exe, "___")
+}
diff --git a/internal/utils/lookup.go b/internal/utils/lookup.go
index 8e6fb1ea..f35f996e 100644
--- a/internal/utils/lookup.go
+++ b/internal/utils/lookup.go
@@ -1,26 +1,40 @@
 package utils
 
 import (
+	teaconst "github.com/TeaOSLab/EdgeAdmin/internal/const"
 	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
+	"github.com/iwind/TeaGo/logs"
 	"github.com/miekg/dns"
 )
 
-// LookupCNAME 获取CNAME
-func LookupCNAME(host string) (string, error) {
-	config, err := dns.ClientConfigFromFile("/etc/resolv.conf")
-	if err != nil {
-		return "", err
+var sharedDNSClient *dns.Client
+var sharedDNSConfig *dns.ClientConfig
+
+func init() {
+	if !teaconst.IsMain {
+		return
 	}
 
-	c := new(dns.Client)
-	m := new(dns.Msg)
+	config, err := dns.ClientConfigFromFile("/etc/resolv.conf")
+	if err != nil {
+		logs.Println("ERROR: configure dns client failed: " + err.Error())
+		return
+	}
+
+	sharedDNSConfig = config
+	sharedDNSClient = &dns.Client{}
+}
+
+// LookupCNAME 获取CNAME
+func LookupCNAME(host string) (string, error) {
+	var m = new(dns.Msg)
 
 	m.SetQuestion(host+".", dns.TypeCNAME)
 	m.RecursionDesired = true
 
 	var lastErr error
-	for _, serverAddr := range config.Servers {
-		r, _, err := c.Exchange(m, configutils.QuoteIP(serverAddr)+":"+config.Port)
+	for _, serverAddr := range sharedDNSConfig.Servers {
+		r, _, err := sharedDNSClient.Exchange(m, configutils.QuoteIP(serverAddr)+":"+sharedDNSConfig.Port)
 		if err != nil {
 			lastErr = err
 			continue
diff --git a/internal/utils/lookup_test.go b/internal/utils/lookup_test.go
new file mode 100644
index 00000000..54d1fd00
--- /dev/null
+++ b/internal/utils/lookup_test.go
@@ -0,0 +1,12 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package utils_test
+
+import (
+	"github.com/TeaOSLab/EdgeAdmin/internal/utils"
+	"testing"
+)
+
+func TestLookupCNAME(t *testing.T) {
+	t.Log(utils.LookupCNAME("www.yun4s.cn"))
+}
diff --git a/internal/utils/upgrade_manager_test.go b/internal/utils/upgrade_manager_test.go
index a967530a..4c18dc6e 100644
--- a/internal/utils/upgrade_manager_test.go
+++ b/internal/utils/upgrade_manager_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestNewUpgradeManager(t *testing.T) {
-	var manager = utils.NewUpgradeManager("admin")
+	var manager = utils.NewUpgradeManager("admin", "")
 
 	var ticker = time.NewTicker(2 * time.Second)
 	go func() {
diff --git a/web/views/@default/servers/index.js b/web/views/@default/servers/index.js
index 9d455b2c..9d4f776b 100644
--- a/web/views/@default/servers/index.js
+++ b/web/views/@default/servers/index.js
@@ -28,6 +28,7 @@ Tea.context(function () {
 			.params({
 				serverIds: serverIds
 			})
+			.timeout(300)
 			.success(function (resp) {
 				let status = resp.data.status
 				this.servers.forEach(function (server) {