/
mysql.go
67 lines (54 loc) · 1.8 KB
/
mysql.go
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// SPDX-License-Identifier: AGPL-3.0-only
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, version 3.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>
package driver
import (
"context"
"database/sql"
"net"
"sync"
"time"
"github.com/go-sql-driver/mysql"
"github.com/trim21/errgo"
"go.uber.org/zap"
"github.com/bangumi/server/config"
"github.com/bangumi/server/internal/pkg/logger"
)
var setLoggerOnce = sync.Once{}
func NewMysqlConnectionPool(c config.AppConfig) (*sql.DB, error) {
setLoggerOnce.Do(func() {
_ = mysql.SetLogger(logger.StdAt(zap.ErrorLevel))
})
logger.Infoln("creating sql connection pool with size", c.Mysql.MaxConn)
u := mysql.NewConfig()
u.User = c.Mysql.UserName
u.Passwd = c.Mysql.Password
u.Net = "tcp"
u.Addr = net.JoinHostPort(c.Mysql.Host, c.Mysql.Port)
u.DBName = c.Mysql.Database
u.Loc = time.UTC
u.ParseTime = true
db, err := sql.Open("mysql", u.FormatDSN())
if err != nil {
return nil, errgo.Wrap(err, "mysql: failed to create sql connection pool")
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
if err = db.PingContext(ctx); err != nil {
return nil, errgo.Wrap(err, "mysql: failed to ping")
}
db.SetMaxOpenConns(c.Mysql.MaxConn)
db.SetConnMaxIdleTime(c.Mysql.MaxIdleTime)
db.SetConnMaxLifetime(c.Mysql.MaxLifeTime)
return db, nil
}