Class: Component::NAT

Inherits:
Object
  • Object
show all
Defined in:
lib/component/nat.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ NAT

Returns a new instance of NAT.



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# File 'lib/component/nat.rb', line 8

def initialize
  @rules = []
  @count = 65537
end

Instance Attribute Details

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/component/nat.rb', line 6

def rules
  @rules
end

Class Method Details

.generate_xml(interfaces) ⇒ Object 



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# File 'lib/component/nat.rb', line 36

def self.generate_xml interfaces
  return if NAT.instance.rules.nil? or NAT.instance.rules.empty?
  Nokogiri::XML::Builder.new(:encoding => 'UTF-8') do |xml|
    xml.EdgeGatewayServiceConfiguration('xmlns' => "http://www.vmware.com/vcloud/v1.5", 'xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance", 'xsi:schemaLocation' => "http://www.vmware.com/vcloud/v1.5 http://vendor-api-url.net/v1.5/schema/master.xsd") {
      xml.NatService {
        xml.IsEnabled "true"

        NAT.instance.rules.each do |rule|
          xml.NatRule {
            xml.RuleType rule[:type]
            xml.IsEnabled rule[:enabled]
            xml.Id rule[:id]
            xml.GatewayNatRule {
              xml.Interface('type' => "application/vnd.vmware.admin.network+xml", 'name' => rule[:interface], 'href' => interfaces[rule[:interface]])
              xml.OriginalIp rule[:original][:ip]

              if rule[:original][:port]
                xml.OriginalPort rule[:original][:port]
              end

              xml.TranslatedIp rule[:translated][:ip]

              if rule[:translated][:port]
                xml.TranslatedPort rule[:translated][:port]
              end

              if rule[:type] == "DNAT"
                xml.Protocol rule[:protocol]
              end

            }
          }
        end
      }
    }
  end
end

.instance ⇒ Object 



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# File 'lib/component/nat.rb', line 32

def self.instance
  @nat ||= NAT.new
end

.reset ⇒ Object 



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# File 'lib/component/nat.rb', line 28

def self.reset
  @nat = nil
end

Instance Method Details

#dnat(options) ⇒ Object 



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# File 'lib/component/nat.rb', line 13

def dnat(options)
  rule(options.merge(:type => 'DNAT'))
end

#rule(options) ⇒ Object 



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# File 'lib/component/nat.rb', line 21

def rule(options)
  @count += 1;
  defaults = { :enabled => true, :protocol => 'tcp', :id=>@count}
  options = defaults.merge(options)
  rules << options
end

#snat(options) ⇒ Object 



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# File 'lib/component/nat.rb', line 17

def snat(options)
  rule(options.merge(:type => 'SNAT'))
end