检测本地数据库时，主机地址增加尝试localhost、172.20.0.2

Author: iwind

internal/web/actions/default/setup/detectDB.go

@@ -26,40 +26,44 @@ func (this *DetectDBAction) RunPost(params struct{}) {
 	var localPassword = ""
 
 	// 本地的3306端口是否可以连接
-	conn, err := net.DialTimeout("tcp", "127.0.0.1:3306", 3*time.Second)
-	if err == nil {
-		_ = conn.Close()
-		localHost = "127.0.0.1"
-		localPort = "3306"
+	for _, tryingHost := range []string{"127.0.0.1", "localhost", "172.20.0.2"} {
+		conn, dialErr := net.DialTimeout("tcp", tryingHost+":3306", 3*time.Second)
+		if dialErr == nil {
+			_ = conn.Close()
+			localHost = tryingHost
+			localPort = "3306"
 
-		var username = "root"
-		var passwords = []string{"", "123456", "654321", "Aa_123456", "111111"}
+			var username = "root"
+			var passwords = []string{"", "123456", "654321", "Aa_123456", "111111"}
 
-		// 使用 foolish-mysql 安装的MySQL
-		localGeneratedPasswordData, err := os.ReadFile("/usr/local/mysql/generated-password.txt")
-		if err == nil {
-			var localGeneratedPassword = strings.TrimSpace(string(localGeneratedPasswordData))
-			if len(localGeneratedPassword) > 0 {
-				passwords = append(passwords, localGeneratedPassword)
+			// 使用 foolish-mysql 安装的MySQL
+			localGeneratedPasswordData, err := os.ReadFile("/usr/local/mysql/generated-password.txt")
+			if err == nil {
+				var localGeneratedPassword = strings.TrimSpace(string(localGeneratedPasswordData))
+				if len(localGeneratedPassword) > 0 {
+					passwords = append(passwords, localGeneratedPassword)
+				}
 			}
-		}
 
-		for _, pass := range passwords {
-			db, err := dbs.NewInstanceFromConfig(&dbs.DBConfig{
-				Driver: "mysql",
-				Dsn:    username + ":" + pass + "@tcp(" + configutils.QuoteIP(localHost) + ":" + localPort + ")/edges",
-				Prefix: "",
-			})
-			if err == nil {
-				err = db.Raw().Ping()
-				_ = db.Close()
+			for _, pass := range passwords {
+				db, err := dbs.NewInstanceFromConfig(&dbs.DBConfig{
+					Driver: "mysql",
+					Dsn:    username + ":" + pass + "@tcp(" + configutils.QuoteIP(localHost) + ":" + localPort + ")/edges",
+					Prefix: "",
+				})
+				if err == nil {
+					err = db.Raw().Ping()
+					_ = db.Close()
 
-				if err == nil || strings.Contains(err.Error(), "Error 1049") {
-					localUsername = username
-					localPassword = pass
-					break
+					if err == nil || strings.Contains(err.Error(), "Error 1049") {
+						localUsername = username
+						localPassword = pass
+						break
+					}
 				}
 			}
+
+			break
 		}
 	}