package topology import () func (t *Topology) ToMap() interface{} { m := make(map[string]interface{}) m["Max"] = t.GetMaxVolumeCount() m["Free"] = t.FreeSpace() var dcs []interface{} for _, c := range t.Children() { dc := c.(*DataCenter) dcs = append(dcs, dc.ToMap()) } m["DataCenters"] = dcs var layouts []interface{} for _, c := range t.collectionMap { for _, layout := range c.storageType2VolumeLayout { if layout != nil { tmp := layout.ToMap() tmp["collection"] = c.Name layouts = append(layouts, tmp) } } } m["layouts"] = layouts return m } func (t *Topology) ToVolumeMap() interface{} { m := make(map[string]interface{}) m["Max"] = t.GetMaxVolumeCount() m["Free"] = t.FreeSpace() dcs := make(map[NodeId]interface{}) for _, c := range t.Children() { dc := c.(*DataCenter) racks := make(map[NodeId]interface{}) for _, r := range dc.Children() { rack := r.(*Rack) dataNodes := make(map[NodeId]interface{}) for _, d := range rack.Children() { dn := d.(*DataNode) var volumes []interface{} for _, v := range dn.volumes { volumes = append(volumes, v) } dataNodes[d.Id()] = volumes } racks[r.Id()] = dataNodes } dcs[dc.Id()] = racks } m["DataCenters"] = dcs return m }