gistfile1.txt

    def set_interfaces(parser)
      # if host has no information in primary interface we try to match it and update it
      # instead of creating new interface, suggested primary interface mac and identifier
      # is saved to primary interface so we match it in updating code below
      if !self.managed? && self.primary_interface.mac.blank? && self.primary_interface.identifier.blank?
        identifier, values = parser.suggested_primary_interface(self)
        self.primary_interface.mac = Net::Validations.normalize_mac(values[:macaddress])
        self.primary_interface.identifier = identifier
        self.primary_interface.save!
      end

      interface_objects = parser.interfaces.map do |name, attributes|
        iface = get_interface_scope(name, attributes).first || interface_class(name).new(:managed => false)
        # create or update existing interface
        set_interface(attributes, name, iface)
        iface
      end
      self.interfaces = interface_objects

      ipmi = parser.ipmi_interface
      if ipmi.present?
        existing = self.interfaces.where(:mac => ipmi[:macaddress], :type => Nic::BMC).first
        iface = existing || Nic::BMC.new(:managed => false)
        iface.provider ||= 'IPMI'
        set_interface(ipmi, 'ipmi', iface)
        self.interfaces << iface
      end
    end