IC/service/db.go

// Pipe - A small and beautiful blogging platform written in golang.
// Copyright (C) 2017-2018, b3log.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package service

import (
	"fmt"

	"github.com/astaxie/beego"
	"github.com/jinzhu/gorm"
	_ "github.com/jinzhu/gorm/dialects/mysql" // mysql
	_ "github.com/jinzhu/gorm/dialects/mssql" // mssql
)

var readDb *gorm.DB
var writeDb *gorm.DB
var readRemoteDb *gorm.DB
var writeUserDb *gorm.DB

var readMiddleDb *gorm.DB
var writeMiddleDb *gorm.DB
var backupDb *gorm.DB
var err error

func ConnectDB() {
	readHost := beego.AppConfig.String("readmysqlhost")
	readPort := beego.AppConfig.String("readmysqlport")
	readUser := beego.AppConfig.String("readmysqluser")
	readPass := beego.AppConfig.String("readmysqlpass")
	readName := beego.AppConfig.String("readmysqlname")

	writeHost := beego.AppConfig.String("writemysqlhost")
	writePort := beego.AppConfig.String("writemysqlport")
	writeUser := beego.AppConfig.String("writemysqluser")
	writePass := beego.AppConfig.String("writemysqlpass")
	writeName := beego.AppConfig.String("writemysqlname")

	// readRemoteHost := beego.AppConfig.String("readremotehost")
	// readRemotePort := beego.AppConfig.String("readremoteport")
	// readRemoteUser := beego.AppConfig.String("readremoteuser")
	// readRemotePass := beego.AppConfig.String("readremotepass")
	// readRemoteName := beego.AppConfig.String("readremotename")

	writeUserHost := beego.AppConfig.String("writeuserhost")
	writeUserPort := beego.AppConfig.String("writeuserport")
	writeUserUser := beego.AppConfig.String("writeuseruser")
	writeUserPass := beego.AppConfig.String("writeuserpass")
	writeUserName := beego.AppConfig.String("writeusername")

	readMiddleHost := beego.AppConfig.String("readmiddlehost")
	readMiddlePort := beego.AppConfig.String("readmiddleport")
	readMiddleUser := beego.AppConfig.String("readmiddleuser")
	readMiddlePass := beego.AppConfig.String("readmiddlepass")
	readMiddleName := beego.AppConfig.String("readmiddlename")

	writeMiddleHost := beego.AppConfig.String("writemiddlehost")
	writeMiddlePort := beego.AppConfig.String("writemiddleport")
	writeMiddleUser := beego.AppConfig.String("writemiddleuser")
	writeMiddlePass := beego.AppConfig.String("writemiddlepass")
	writeMiddleName := beego.AppConfig.String("writemiddlename")

	// backupHost := beego.AppConfig.String("backuphost")
	// backupPort := beego.AppConfig.String("backupport")
	// backupUser := beego.AppConfig.String("backupuser")
	// backupPass := beego.AppConfig.String("backuppass")
	// backupName := beego.AppConfig.String("backupname")

	rdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", readUser, readPass, readHost, readPort, readName)
	wdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", writeUser, writePass, writeHost, writePort, writeName)

	// rudsn := fmt.Sprintf("server=%s;port=%s;database=%s;user id=%s;password=%s", readRemoteHost, readRemotePort, readRemoteName, readRemoteUser, readRemotePass)
	wudsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", writeUserUser, writeUserPass, writeUserHost, writeUserPort, writeUserName)

	rmdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", readMiddleUser, readMiddlePass, readMiddleHost, readMiddlePort, readMiddleName)
	wmdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", writeMiddleUser, writeMiddlePass, writeMiddleHost, writeMiddlePort, writeMiddleName)

	// bdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", backupUser, backupPass, backupHost, backupPort, backupName)

	readDb, err = gorm.Open("mysql", rdsn)
	if err != nil {
		//beego.Error(err)
	}
	readDb.DB().SetMaxIdleConns(10)
	readDb.DB().SetMaxOpenConns(100)
	readDb.LogMode(true)

	// backupDb, err = gorm.Open("mysql", bdsn)
	// if err != nil {
	// 	//beego.Error(err)
	// }
	// backupDb.DB().SetMaxIdleConns(10)
	// backupDb.DB().SetMaxOpenConns(100)
	// backupDb.LogMode(true)

	writeDb, err = gorm.Open("mysql", wdsn)
	if err != nil {
		//beego.Error(err)
	}
	writeDb.DB().SetMaxIdleConns(10)
	writeDb.DB().SetMaxOpenConns(100)
	writeDb.LogMode(true)

	// fmt.Println(rudsn)

	// readRemoteDb, err = gorm.Open("mssql", rudsn)
	// if err != nil {
	// 	panic(err)
	// }
	// readRemoteDb.DB().SetMaxIdleConns(10)
	// readRemoteDb.DB().SetMaxOpenConns(100)
	// readRemoteDb.LogMode(true)

	writeUserDb, err = gorm.Open("mysql", wudsn)
	if err != nil {
		//beego.Error(err)
	}
	writeUserDb.DB().SetMaxIdleConns(10)
	writeUserDb.DB().SetMaxOpenConns(100)
	writeUserDb.LogMode(true)

	readMiddleDb, err = gorm.Open("mysql", rmdsn)
	if err != nil {
		//beego.Error(err)
	}
	readMiddleDb.DB().SetMaxIdleConns(10)
	readMiddleDb.DB().SetMaxOpenConns(100)
	readMiddleDb.LogMode(true)

	writeMiddleDb, err = gorm.Open("mysql", wmdsn)
	if err != nil {
		//beego.Error(err)
	}
	writeMiddleDb.DB().SetMaxIdleConns(10)
	writeMiddleDb.DB().SetMaxOpenConns(100)
	writeMiddleDb.LogMode(true)

}

//func DisconnectDB() {
//	if err := readDb.Close(); nil != err {
//		beego.Error("Disconnect from database failed: " + err.Error())
//	}
//}

func XTReadDB() *gorm.DB {
	return readDb
}
func XTWriteDB() *gorm.DB {
	return writeDb
}
// func RemoteReadDB() *gorm.DB {
// 	return readRemoteDb
// }
func UserWriteDB() *gorm.DB {
	return writeUserDb
}

func MiddleReadDB() *gorm.DB {
	return readMiddleDb
}
func MiddleWriteDB() *gorm.DB {
	return writeMiddleDb
}