// Perform runs the Step action to modify the Cluster
func (step AddNode) prioritizeCellsByHealth(existingNodes []*structs.Node, cells cells.Cells) (cellsToTry cells.Cells, err error) {
// Prioritize availableCells into [unused AZs, used AZs, used cells]
health, err := cells.InspectHealth()
if err != nil {
return
}
vs := utils.NewValSorter(health)
vs.Sort()
for _, nextCellID := range vs.Keys {
for _, cellAPI := range cells {
if cellAPI.GUID == nextCellID {
cellsToTry = append(cellsToTry, cellAPI)
break
}
}
}
return
}
