Class: Dcmgr::VNet::Tasks::TranslateMetadataAddress

Inherits:
Dcmgr::VNet::Task show all
Includes:
Netfilter
Defined in:
lib/dcmgr/vnet/tasks/translate_metadata_address.rb

Instance Attribute Summary collapse

Attributes inherited from Dcmgr::VNet::Task

#rules

Instance Method Summary collapse

Constructor Details

#initialize(vnic_id, metadata_ip, metadata_port, metadata_fake_ip = "169.254.169.254", metadata_fake_port = "80") ⇒ TranslateMetadataAddress

Returns a new instance of TranslateMetadataAddress.



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# File 'lib/dcmgr/vnet/tasks/translate_metadata_address.rb', line 15

def initialize(vnic_id,metadata_ip,metadata_port,metadata_fake_ip = "169.254.169.254",metadata_fake_port = "80")
  super()
  
  @metadata_ip = metadata_ip
  @metadata_port = metadata_port
  @metadata_fake_ip = metadata_fake_ip
  @metadata_fake_port = metadata_fake_port
  
  # Translate requests to the metadata server
  self.rules << IptablesRule.new(:nat,:prerouting,:tcp,:outgoing,"-m physdev --physdev-in #{vnic_id} -d #{self.metadata_fake_ip} -p tcp --dport #{self.metadata_fake_port} -j DNAT --to-destination #{self.metadata_ip}:#{self.metadata_port}")
  # Accept tcp traffic to the metadata server
  self.rules << IptablesRule.new(:filter,:forward,:tcp,:outgoing,"-p tcp -d #{self.metadata_ip} --dport #{self.metadata_port} -j ACCEPT")
end

Instance Attribute Details

#metadata_fake_ip ⇒ Object (readonly)

Returns the value of attribute metadata_fake_ip.



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# File 'lib/dcmgr/vnet/tasks/translate_metadata_address.rb', line 12

def metadata_fake_ip
  @metadata_fake_ip
end

#metadata_fake_port ⇒ Object (readonly)

Returns the value of attribute metadata_fake_port.



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# File 'lib/dcmgr/vnet/tasks/translate_metadata_address.rb', line 13

def metadata_fake_port
  @metadata_fake_port
end

#metadata_ip ⇒ Object (readonly)

TODO: allow ARP traffic to metadata server



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# File 'lib/dcmgr/vnet/tasks/translate_metadata_address.rb', line 10

def metadata_ip
  @metadata_ip
end

#metadata_port ⇒ Object (readonly)

Returns the value of attribute metadata_port.



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# File 'lib/dcmgr/vnet/tasks/translate_metadata_address.rb', line 11

def metadata_port
  @metadata_port
end