def set_member
      if @property_flush[:ensure] == :absent
        # a shard can't be removed easily at this time
        return
      end

      return if @property_flush[:ensure] == :present && @property_hash[:ensure] != :present

      Puppet.debug "Adding the shard #{name}"
      output = sh_addshard(@property_flush[:member])
      raise Puppet::Error, "sh.addShard() failed for shard #{name}: #{output['errmsg']}" if output['ok'].zero?
      output = sh_enablesharding(name)
      raise Puppet::Error, "sh.enableSharding() failed for shard #{name}: #{output['errmsg']}" if output['ok'].zero?
      if @property_flush[:keys]
        @property_flush[:keys].each do |key|
          output = sh_shardcollection(key)
          raise Puppet::Error, "sh.shardCollection() failed for shard #{name}: #{output['errmsg']}" if output['ok'].zero?
        end
      end
    end