seaweedfs/weed/filer/mysql/mysql_store.go

76 lines
2 KiB
Go
Raw Normal View History

2018-05-26 12:32:15 +00:00
package mysql
import (
"database/sql"
2018-05-27 18:52:26 +00:00
"fmt"
2021-01-20 01:21:50 +00:00
"github.com/chrislusf/seaweedfs/weed/filer"
2021-01-14 08:06:15 +00:00
"time"
2018-05-26 12:32:15 +00:00
2020-09-01 07:21:19 +00:00
"github.com/chrislusf/seaweedfs/weed/filer/abstract_sql"
"github.com/chrislusf/seaweedfs/weed/util"
2018-08-19 22:18:37 +00:00
_ "github.com/go-sql-driver/mysql"
2018-05-26 12:32:15 +00:00
)
const (
CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?charset=utf8"
)
func init() {
2020-09-01 07:21:19 +00:00
filer.Stores = append(filer.Stores, &MysqlStore{})
2018-05-26 12:32:15 +00:00
}
type MysqlStore struct {
abstract_sql.AbstractSqlStore
}
func (store *MysqlStore) GetName() string {
return "mysql"
}
func (store *MysqlStore) Initialize(configuration util.Configuration, prefix string) (err error) {
2018-05-26 12:32:15 +00:00
return store.initialize(
configuration.GetString(prefix+"username"),
configuration.GetString(prefix+"password"),
configuration.GetString(prefix+"hostname"),
configuration.GetInt(prefix+"port"),
configuration.GetString(prefix+"database"),
configuration.GetInt(prefix+"connection_max_idle"),
configuration.GetInt(prefix+"connection_max_open"),
configuration.GetInt(prefix+"connection_max_lifetime_seconds"),
configuration.GetBool(prefix+"interpolateParams"),
2018-05-26 12:32:15 +00:00
)
}
func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen,
2021-01-15 07:11:27 +00:00
maxLifetimeSeconds int, interpolateParams bool) (err error) {
2021-01-19 21:53:16 +00:00
2021-01-19 23:55:51 +00:00
store.SupportBucketTable = false
store.SqlGenerator = &SqlGenMysql{
2021-01-20 01:21:50 +00:00
CreateTableSqlTemplate: "",
DropTableSqlTemplate: "drop table %s",
2021-01-19 23:55:51 +00:00
}
2018-05-27 05:02:49 +00:00
2018-05-26 12:32:15 +00:00
sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
if interpolateParams {
sqlUrl += "&interpolateParams=true"
}
2018-05-26 12:32:15 +00:00
var dbErr error
store.DB, dbErr = sql.Open("mysql", sqlUrl)
if dbErr != nil {
store.DB.Close()
store.DB = nil
return fmt.Errorf("can not connect to %s error:%v", sqlUrl, err)
}
store.DB.SetMaxIdleConns(maxIdle)
store.DB.SetMaxOpenConns(maxOpen)
2021-01-15 07:11:27 +00:00
store.DB.SetConnMaxLifetime(time.Duration(maxLifetimeSeconds) * time.Second)
if err = store.DB.Ping(); err != nil {
return fmt.Errorf("connect to %s error:%v", sqlUrl, err)
}
2018-05-26 12:32:15 +00:00
return nil
}