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125 lines
3.3 KiB
125 lines
3.3 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package relation
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import (
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"fmt"
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"time"
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mysqlDriver "github.com/go-sql-driver/mysql"
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"gorm.io/driver/mysql"
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"github.com/OpenIMSDK/tools/errs"
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"github.com/OpenIMSDK/tools/log"
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"github.com/OpenIMSDK/tools/mw/specialerror"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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const (
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maxRetry = 100 // number of retries
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)
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// newMysqlGormDB Initialize the database connection.
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func newMysqlGormDB() (*gorm.DB, error) {
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dsn := fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
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config.Config.Mysql.Username, config.Config.Mysql.Password, config.Config.Mysql.Address[0], "mysql")
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db, err := connectToDatabase(dsn, maxRetry)
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if err != nil {
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panic(err.Error() + " Open failed " + dsn)
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}
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sqlDB, err := db.DB()
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if err != nil {
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return nil, err
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}
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defer sqlDB.Close()
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sql := fmt.Sprintf(
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"CREATE DATABASE IF NOT EXISTS %s default charset utf8mb4 COLLATE utf8mb4_unicode_ci;",
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config.Config.Mysql.Database,
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)
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err = db.Exec(sql).Error
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if err != nil {
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return nil, fmt.Errorf("init db %w", err)
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}
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dsn = fmt.Sprintf(
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"%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
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config.Config.Mysql.Username,
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config.Config.Mysql.Password,
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config.Config.Mysql.Address[0],
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config.Config.Mysql.Database,
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)
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sqlLogger := log.NewSqlLogger(
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logger.LogLevel(config.Config.Mysql.LogLevel),
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true,
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time.Duration(config.Config.Mysql.SlowThreshold)*time.Millisecond,
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)
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db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
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Logger: sqlLogger,
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})
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if err != nil {
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return nil, err
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}
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sqlDB, err = db.DB()
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if err != nil {
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return nil, err
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}
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sqlDB.SetConnMaxLifetime(time.Second * time.Duration(config.Config.Mysql.MaxLifeTime))
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sqlDB.SetMaxOpenConns(config.Config.Mysql.MaxOpenConn)
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sqlDB.SetMaxIdleConns(config.Config.Mysql.MaxIdleConn)
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return db, nil
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}
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// connectToDatabase Connection retry for mysql.
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func connectToDatabase(dsn string, maxRetry int) (*gorm.DB, error) {
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var db *gorm.DB
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var err error
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for i := 0; i <= maxRetry; i++ {
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db, err = gorm.Open(mysql.Open(dsn), nil)
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if err == nil {
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return db, nil
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}
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if mysqlErr, ok := err.(*mysqlDriver.MySQLError); ok && mysqlErr.Number == 1045 {
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return nil, err
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}
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time.Sleep(time.Duration(1) * time.Second)
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}
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return nil, err
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}
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// NewGormDB gorm mysql.
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func NewGormDB() (*gorm.DB, error) {
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specialerror.AddReplace(gorm.ErrRecordNotFound, errs.ErrRecordNotFound)
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specialerror.AddErrHandler(replaceDuplicateKey)
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return newMysqlGormDB()
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}
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func replaceDuplicateKey(err error) errs.CodeError {
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if IsMysqlDuplicateKey(err) {
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return errs.ErrDuplicateKey
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}
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return nil
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}
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func IsMysqlDuplicateKey(err error) bool {
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if mysqlErr, ok := err.(*mysqlDriver.MySQLError); ok {
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return mysqlErr.Number == 1062
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}
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return false
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}
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