support for collections!

go/operation/allocate_volume.go

@@ -13,9 +13,10 @@ type AllocateVolumeResult struct {
 	Error string
 }
 
-func AllocateVolume(dn *topology.DataNode, vid storage.VolumeId, repType storage.ReplicationType) error {
+func AllocateVolume(dn *topology.DataNode, vid storage.VolumeId, collection string, repType storage.ReplicationType) error {
 	values := make(url.Values)
 	values.Add("volume", vid.String())
+	values.Add("collection", collection)
 	values.Add("replicationType", repType.String())
 	jsonBlob, err := util.Post("http://"+dn.Url()+"/admin/assign_volume", values)
 	if err != nil {