54 lines
1005 B
Go
54 lines
1005 B
Go
package mysql
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import (
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/viper"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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var (
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_db *gorm.DB
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)
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//New mysql instance
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func New() *gorm.DB {
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if _db != nil {
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mysqlDB, err := _db.DB()
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if err != nil {
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log.WithFields(log.Fields{
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"func": "New",
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}).Errorf("%v", err)
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goto RENEW
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}
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if err := mysqlDB.Ping(); err != nil {
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mysqlDB.Close()
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log.WithFields(log.Fields{
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"func": "New",
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}).Errorf("%v", err)
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goto RENEW
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}
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return _db
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}
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RENEW:
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db, err := gorm.Open(mysql.Open(viper.GetString("mysql.addr")), &gorm.Config{
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SkipDefaultTransaction: true,
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Logger: logger.Default.LogMode(logger.Silent),
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})
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if err != nil {
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log.WithFields(log.Fields{
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"func": "New",
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}).Errorf("%v", err)
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}
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sdb, _ := db.DB()
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sdb.SetConnMaxLifetime(time.Hour)
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sdb.SetMaxIdleConns(viper.GetInt("mysql.maxidle"))
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sdb.SetMaxOpenConns(viper.GetInt("mysql.maxopen"))
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_db = db
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return _db
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}
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