func AllocateVolume(dn *topology.DataNode, vid storage.VolumeId, repType storage.ReplicationType) error {
values := make(url.Values)
values.Add("volume", vid.String())
values.Add("replicationType", repType.String())
jsonBlob, err := util.Post("http://"+dn.Url()+"/admin/assign_volume", values)
if err != nil {
return err
}
var ret AllocateVolumeResult
if err := json.Unmarshal(jsonBlob, &ret); err != nil {
return err
}
if ret.Error != "" {
return errors.New(ret.Error)
}
return nil
}
