Class: VagrantPlugins::ProviderLibvirt::Action::CreateNetworks

Inherits:
Object
  • Object
show all
Includes:
Vagrant::Util::NetworkIP, Vagrant::Util::ScopedHashOverride, Util::ErbTemplate, Util::LibvirtUtil
Defined in:
lib/vagrant-libvirt/action/create_networks.rb

Overview

Prepare all networks needed for domain connections.

Instance Method Summary collapse

Methods included from Util::LibvirtUtil

#libvirt_networks

Methods included from Util::ErbTemplate

#to_xml

Constructor Details

#initialize(app, env) ⇒ CreateNetworks

Returns a new instance of CreateNetworks.



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

def initialize(app, env)
  mess = 'vagrant_libvirt::action::create_networks'
  @logger = Log4r::Logger.new(mess)
  @app = app

  @available_networks = []
  @options = {}
  @libvirt_client = env[:libvirt_compute].client
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/create_networks.rb', line 26

def call(env)

  # Iterate over networks requested from config. If some network is not
  # available, create it if possible. Otherwise raise an error.
  env[:machine].config.vm.networks.each do |type, options|

    # Get a list of all (active and inactive) libvirt networks. This
    # list is used throughout this class and should be easier to
    # process than libvirt API calls.
    @available_networks = libvirt_networks(env[:libvirt_compute].client)

    # Now, we support private networks only. There are two other types
    # public network and port forwarding, but there are problems with
    # creating them via libvirt API, so this provider doesn't implement
    # them.
    next if type != :private_network

    # Get options for this interface network. Options can be specified
    # in Vagrantfile in short format (:ip => ...), or provider format
    # (:libvirt__network_name => ...).
    @options = scoped_hash_override(options, :libvirt)
    @options = {
      netmask:      '255.255.255.0',
      dhcp_enabled: true,
      forward_mode: 'nat',
    }.merge(@options)

    # Prepare a hash describing network for this specific interface.
    @interface_network = {
      name:             nil,
      ip_address:       nil,
      netmask:          @options[:netmask],
      network_address:  nil,
      bridge_name:      nil,
      created:          false,
      active:           false,
      autostart:        false,
      libvirt_network:  nil,
    }

    if @options[:ip]
      handle_ip_option(env)
    elsif @options[:network_name]
      handle_network_name_option
    else
      # TODO: Should be smarter than just using fixed 'default' string.
      @interface_network = lookup_network_by_name('default')
      if !@interface_network
        raise Errors::NetworkNotAvailableError,
              network_name: 'default'
      end
    end

    autostart_network if !@interface_network[:autostart]
    activate_network if !@interface_network[:active]
  end

  @app.call(env)
end