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mysql.go
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mysql.go
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/*
* Copyright 2019-2021 VMware, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package orm
import (
"bytes"
"log"
"os"
"time"
"github.com/spf13/viper"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
type Mysql struct {
}
type DbConfig struct {
Host string
Port string
Name string
Username string
Password string
}
func getDbConfig() *DbConfig {
return &DbConfig{
Host: viper.GetString("db.host"),
Port: viper.GetString("db.port"),
Name: viper.GetString("db.name"),
Username: viper.GetString("db.username"),
Password: viper.GetString("db.password"),
}
}
func (e *Mysql) Open(logLevel logger.LogLevel) (db *gorm.DB, err error) {
dbConfig := getDbConfig()
var conn bytes.Buffer
conn.WriteString(dbConfig.Username)
conn.WriteString(":")
conn.WriteString(dbConfig.Password)
conn.WriteString("@tcp(")
conn.WriteString(dbConfig.Host)
conn.WriteString(":")
conn.WriteString(dbConfig.Port)
conn.WriteString(")")
conn.WriteString("/")
conn.WriteString(dbConfig.Name)
conn.WriteString("?charset=utf8&parseTime=True&loc=Local&timeout=10s")
dsn := conn.String()
newLogger := logger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags),
logger.Config{
SlowThreshold: time.Second,
LogLevel: logLevel,
Colorful: false,
},
)
return gorm.Open(mysql.Open(dsn), &gorm.Config{Logger: newLogger})
}