# File lib/openshift-origin-common/models/group.rb, line 51
    def from_descriptor(spec_hash = {})
      self.name = spec_hash["Name"] || "default"
      if spec_hash.has_key?("Components")
        spec_hash["Components"].each do |n,c|
          self.add_component_ref(ComponentRef.new(n).from_descriptor(c))
        end
      end
      self.scaling.from_descriptor spec_hash["Scaling"] if spec_hash.has_key?("Scaling")
      self
    end