func (d *radosdesc) New() (factory.DrvInterface, error) {
chunksize := uint64(defaultChunkSize)
if setting.Chunksize != "" {
if tmp, err := strconv.Atoi(setting.Chunksize); err != nil {
return nil, fmt.Errorf("The chunksize parameter should be a number")
} else {
chunksize = uint64(tmp)
}
}
var err error
var conn *rados.Conn
if setting.Username != "" {
conn, err = rados.NewConnWithUser(setting.Username)
} else {
conn, err = rados.NewConn()
}
if err != nil {
return nil, err
}
if err := conn.ReadDefaultConfigFile(); err != nil {
return nil, err
}
if err := conn.Connect(); err != nil {
return nil, err
}
ioctx, err := conn.OpenIOContext(setting.Poolname)
if err != nil {
return nil, err
}
return &radosdesc{
Ioctx: ioctx,
Conn: conn,
Chunksize: chunksize,
}, nil
}
