def get_host_sets
      begin
        @host_set.get_host_sets
      rescue => ex
        Util.log_exception(ex, caller_locations(1, 1)[0].label)
        raise ex
      end
    end
def get_host_sets
      begin
        @host_set.get_host_sets
      rescue => ex
        Util.log_exception(ex, caller_locations(1, 1)[0].label)
        raise ex
      end
    end
Gets all host sets.

 ==== Returns

 Array of HostSet.