6 _ "github.com/go-sql-driver/mysql"
7 "github.com/jinzhu/gorm"
9 "github.com/bytom/vapor/errors"
12 func NewMySQLDB(cfg MySQLConfig) (*gorm.DB, error) {
13 dsnTemplate := "%s:%s@tcp(%s:%d)/%s?charset=utf8&parseTime=true&loc=Local"
14 dsn := fmt.Sprintf(dsnTemplate, cfg.Connection.Username, cfg.Connection.Password, cfg.Connection.Host, cfg.Connection.Port, cfg.Connection.DbName)
15 db, err := gorm.Open("mysql", dsn)
17 return nil, errors.Wrap(err, "open db cluster")
20 db.LogMode(cfg.LogMode)
21 if err = db.DB().Ping(); err != nil {
22 return nil, errors.Wrap(err, "ping db")