fix: PostgreSQL database supports creating root database and user

Author: ssongliu

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 {

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