mysql can compile, not yet tested!

weed/filer2/mysql/mysql_store.go

@@ -0,0 +1,54 @@
+package mysql
+
+import (
+	"fmt"
+	"database/sql"
+
+	"github.com/chrislusf/seaweedfs/weed/filer2"
+	"github.com/spf13/viper"
+	_ "github.com/go-sql-driver/mysql"
+	"github.com/chrislusf/seaweedfs/weed/filer2/abstract_sql"
+)
+
+const (
+	CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?charset=utf8"
+)
+
+func init() {
+	filer2.Stores = append(filer2.Stores, &MysqlStore{})
+}
+
+type MysqlStore struct {
+	abstract_sql.AbstractSqlStore
+}
+
+func (store *MysqlStore) GetName() string {
+	return "mysql"
+}
+
+func (store *MysqlStore) Initialize(viper *viper.Viper) (err error) {
+	return store.initialize(
+		viper.GetString("username"),
+		viper.GetString("password"),
+		viper.GetString("hostname"),
+		viper.GetString("port"),
+		viper.GetString("database"),
+		viper.GetInt("connection_max_idle"),
+		viper.GetInt("connection_max_open"),
+	)
+}
+
+func (store *MysqlStore) initialize(user, password, hostname, port, database string, maxIdle, maxOpen int) (err error) {
+	sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
+	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)
+	return nil
+}