func TestFindEmptySlotsForOneVolume(t *testing.T) {
topo := setup(topologyLayout)
vg := NewDefaultVolumeGrowth()
rp, _ := storage.NewReplicaPlacementFromString("002")
servers, err := vg.findEmptySlotsForOneVolume(topo, "dc1", rp)
if err != nil {
fmt.Println("finding empty slots error :", err)
t.Fail()
}
for _, server := range servers {
fmt.Println("assigned node :", server.Id())
}
}
func (ms *MasterServer) getVolumeGrowOption(r *http.Request) (*topology.VolumeGrowOption, error) {
replicationString := r.FormValue("replication")
if replicationString == "" {
replicationString = ms.defaultReplicaPlacement
}
replicaPlacement, err := storage.NewReplicaPlacementFromString(replicationString)
if err != nil {
return nil, err
}
volumeGrowOption := &topology.VolumeGrowOption{
Collection: r.FormValue("collection"),
ReplicaPlacement: replicaPlacement,
DataCenter: r.FormValue("dataCenter"),
Rack: r.FormValue("rack"),
DataNode: r.FormValue("dataNode"),
}
return volumeGrowOption, nil
}
func TestFindEmptySlotsForOneVolume(t *testing.T) {
topo := setup(topologyLayout)
vg := NewDefaultVolumeGrowth()
rp, _ := storage.NewReplicaPlacementFromString("002")
volumeGrowOption := &VolumeGrowOption{
Collection: "",
ReplicaPlacement: rp,
DataCenter: "dc1",
Rack: "",
DataNode: "",
}
servers, err := vg.findEmptySlotsForOneVolume(topo, volumeGrowOption)
if err != nil {
fmt.Println("finding empty slots error :", err)
t.Fail()
}
for _, server := range servers {
fmt.Println("assigned node :", server.Id())
}
}