fix: Fix the issue of remote database connection failure

agent/app/dto/database.go

@@ -258,6 +258,7 @@ type DatabaseInfo struct {
 	Version   string    `json:"version"`
 	Address   string    `json:"address"`
 	Port      uint      `json:"port"`
+	InitialDB string    `json:"initialDB"`
 	Username  string    `json:"username"`
 	Password  string    `json:"password"`
 
@@ -309,13 +310,14 @@ type DatabaseCreate struct {
 }
 
 type DatabaseUpdate struct {
-	ID       uint   `json:"id"`
-	Type     string `json:"type" validate:"required"`
-	Version  string `json:"version" validate:"required"`
-	Address  string `json:"address"`
-	Port     uint   `json:"port"`
-	Username string `json:"username" validate:"required"`
-	Password string `json:"password"`
+	ID        uint   `json:"id"`
+	Type      string `json:"type" validate:"required"`
+	Version   string `json:"version" validate:"required"`
+	Address   string `json:"address"`
+	Port      uint   `json:"port"`
+	InitialDB string `json:"initialDB"`
+	Username  string `json:"username" validate:"required"`
+	Password  string `json:"password"`
 
 	SSL        bool   `json:"ssl"`
 	RootCert   string `json:"rootCert"`

agent/app/service/database.go

@@ -119,9 +119,10 @@ func (u *DatabaseService) CheckDatabase(req dto.DatabaseCreate) bool {
 	if req.Timeout == 0 {
 		req.Timeout = 30
 	}
+	var err error
 	switch req.Type {
 	case constant.AppPostgresql:
-		_, err := postgresql.NewPostgresqlClient(pgclient.DBInfo{
+		_, err = postgresql.NewPostgresqlClient(pgclient.DBInfo{
 			From:      "remote",
 			Address:   req.Address,
 			Port:      req.Port,
@@ -130,17 +131,15 @@ func (u *DatabaseService) CheckDatabase(req dto.DatabaseCreate) bool {
 			Password:  req.Password,
 			Timeout:   req.Timeout,
 		})
-		return err == nil
 	case constant.AppRedis:
-		_, err := redisclient.NewRedisClient(redisclient.DBInfo{
+		_, err = redisclient.NewRedisClient(redisclient.DBInfo{
 			Address:  req.Address,
 			Port:     req.Port,
 			Password: req.Password,
 			Timeout:  req.Timeout,
 		})
-		return err == nil
 	case "mysql", "mariadb":
-		_, err := mysql.NewMysqlClient(client.DBInfo{
+		_, err = mysql.NewMysqlClient(client.DBInfo{
 			From:     "remote",
 			Address:  req.Address,
 			Port:     req.Port,
@@ -154,10 +153,13 @@ func (u *DatabaseService) CheckDatabase(req dto.DatabaseCreate) bool {
 			SkipVerify: req.SkipVerify,
 			Timeout:    req.Timeout,
 		})
-		return err == nil
+	}
+	if err != nil {
+		global.LOG.Errorf("check database connection failed, err: %v", err)
+		return false
 	}
 
-	return false
+	return true
 }
 
 func (u *DatabaseService) Create(req dto.DatabaseCreate) error {
@@ -174,12 +176,13 @@ func (u *DatabaseService) Create(req dto.DatabaseCreate) error {
 	switch req.Type {
 	case constant.AppPostgresql:
 		if _, err := postgresql.NewPostgresqlClient(pgclient.DBInfo{
-			From:     "remote",
-			Address:  req.Address,
-			Port:     req.Port,
-			Username: req.Username,
-			Password: req.Password,
-			Timeout:  req.Timeout,
+			From:      "remote",
+			Address:   req.Address,
+			Port:      req.Port,
+			InitialDB: req.InitialDB,
+			Username:  req.Username,
+			Password:  req.Password,
+			Timeout:   req.Timeout,
 		}); err != nil {
 			return err
 		}
@@ -275,12 +278,13 @@ func (u *DatabaseService) Update(req dto.DatabaseUpdate) error {
 	switch req.Type {
 	case constant.AppPostgresql:
 		if _, err := postgresql.NewPostgresqlClient(pgclient.DBInfo{
-			From:     "remote",
-			Address:  req.Address,
-			Port:     req.Port,
-			Username: req.Username,
-			Password: req.Password,
-			Timeout:  req.Timeout,
+			From:      "remote",
+			Address:   req.Address,
+			Port:      req.Port,
+			InitialDB: req.InitialDB,
+			Username:  req.Username,
+			Password:  req.Password,
+			Timeout:   req.Timeout,
 		}); err != nil {
 			return err
 		}
@@ -326,6 +330,7 @@ func (u *DatabaseService) Update(req dto.DatabaseUpdate) error {
 	upMap["port"] = req.Port
 	upMap["username"] = req.Username
 	upMap["password"] = pass
+	upMap["initial_db"] = req.InitialDB
 	upMap["timeout"] = req.Timeout
 	upMap["description"] = req.Description
 	upMap["ssl"] = req.SSL

agent/app/service/database_mysql.go

@@ -115,7 +115,7 @@ func (u *MysqlService) Create(ctx context.Context, req dto.MysqlDBCreate) (*mode
 	}
 
 	if req.From == "local" && req.Username == "root" {
-		return nil, errors.New("Cannot set root as user name")
+		return nil, errors.New("cannot set root as user name")
 	}
 
 	cli, version, err := LoadMysqlClientByFrom(req.Database)

agent/app/service/database_postgresql.go

@@ -21,7 +21,6 @@ import (
 	"github.com/1Panel-dev/1Panel/agent/utils/postgresql/client"
 	_ "github.com/jackc/pgx/v5/stdlib"
 	"github.com/jinzhu/copier"
-	"github.com/pkg/errors"
 )
 
 type PostgresqlService struct{}
@@ -138,10 +137,6 @@ func (u *PostgresqlService) Create(ctx context.Context, req dto.PostgresqlDBCrea
 		return nil, buserr.WithDetail("ErrStructTransform", err.Error(), nil)
 	}
 
-	if req.From == "local" && req.Username == "root" {
-		return nil, errors.New("Cannot set root as user name")
-	}
-
 	cli, err := LoadPostgresqlClientByFrom(req.Database)
 	if err != nil {
 		return nil, err
@@ -185,6 +180,7 @@ func LoadPostgresqlClientByFrom(database string) (postgresql.PostgresqlClient, e
 		dbInfo.Port = databaseItem.Port
 		dbInfo.Username = databaseItem.Username
 		dbInfo.Password = databaseItem.Password
+		dbInfo.InitialDB = databaseItem.InitialDB
 	} else {
 		app, err := appInstallRepo.LoadBaseInfo(databaseItem.Type, database)
 		if err != nil {