Class: VagrantPlugins::Libvirt::Action::CreateNetworkInterfaces

Inherits:
Object
  • Object
show all
Includes:
Util::ErbTemplate
Defined in:
lib/vagrant-libvirt/action/create_network_interfaces.rb

Overview

Create network interfaces for domain, before domain is running.

Instance Method Summary collapse

Methods included from Util::ErbTemplate

#to_xml

Constructor Details

#initialize(app, env) ⇒ CreateNetworkInterfaces

Returns a new instance of CreateNetworkInterfaces.



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# File 'lib/vagrant-libvirt/action/create_network_interfaces.rb', line 11

def initialize(app, env)
  @logger = Log4r::Logger.new("vagrant_libvirt::action::create_network_interfaces")
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/create_network_interfaces.rb', line 16

def call(env)
  # Get domain first.
  begin
    domain = env[:libvirt_compute].client.lookup_domain_by_uuid(
      env[:machine].id.to_s)
  rescue => e
    raise Errors::NoDomainError,
      :error_message => e.message
  end

  # Setup list of interfaces before creating them
  adapters = []

  # Assign main interface for provisioning to first slot.
  # Use network 'default' as network for ssh connecting and
  # machine provisioning. This should be maybe configurable in
  # Vagrantfile in future.
  adapters[0] = 'default'

  env[:machine].config.vm.networks.each do |type, options|
    # Other types than bridged are not supported for now.
    next if type != :bridged

    network_name = 'default'
    network_name = options[:bridge] if options[:bridge]

    if options[:adapter]
      if adapters[options[:adapter]]
        raise Errors::InterfaceSlotNotAvailable
      end

      adapters[options[:adapter].to_i] = network_name
    else
      empty_slot = find_empty(adapters, start=1)
      raise Errors::InterfaceSlotNotAvailable if empty_slot == nil

      adapters[empty_slot] = network_name
    end           
  end

  # Create each interface as new domain device
  adapters.each_with_index do |network_name, slot_number|
    @iface_number = slot_number
    @network_name = network_name
    @logger.info("Creating network interface eth#{@iface_number}")
    begin
      domain.attach_device(to_xml('interface'))
    rescue => e
      raise Errors::AttachDeviceError,
        :error_message => e.message
    end
  end

  @app.call(env)
end