/
db_init.go
85 lines (76 loc) · 2.33 KB
/
db_init.go
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 bi_dao
import (
"context"
"strings"
"time"
"github.com/pkg/errors"
"github.com/gin-gonic/gin"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"gorm.io/gorm/schema"
"github.com/CocaineCong/tangseng/config"
log "github.com/CocaineCong/tangseng/pkg/logger"
)
var _db *gorm.DB
func InitDB() {
mConfig := config.Conf.MySQL
host := mConfig.Host
port := mConfig.Port
database := mConfig.Database
username := mConfig.UserName
password := mConfig.Password
charset := mConfig.Charset
dsn := strings.Join([]string{username, ":", password, "@tcp(", host, ":", port, ")/", database, "?charset=" + charset + "&parseTime=true"}, "")
err := Database(dsn)
if err != nil {
log.LogrusObj.Errorf("start database failed, original error: %T %v", errors.Cause(err), errors.Cause(err))
log.LogrusObj.Errorf("stack trace: \n%+v\n", err)
}
}
func Database(connString string) error {
var ormLogger logger.Interface
if gin.Mode() == "debug" {
ormLogger = logger.Default.LogMode(logger.Info)
} else {
ormLogger = logger.Default
}
db, err := gorm.Open(mysql.New(mysql.Config{
DSN: connString, // DSN data source name
}), &gorm.Config{
Logger: ormLogger,
NamingStrategy: schema.NamingStrategy{
SingularTable: true,
},
})
if err != nil {
err = errors.Wrap(err, "failed to connect Mysql")
return err
}
sqlDB, _ := db.DB()
sqlDB.SetMaxIdleConns(20)
sqlDB.SetMaxOpenConns(100)
sqlDB.SetConnMaxLifetime(time.Second * 30)
_db = db
return err
}
func NewDBClient(ctx context.Context) *gorm.DB {
db := _db
return db.WithContext(ctx)
}