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

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

Overview

Prepare all networks needed for domain connections.

Constant Summary collapse

@@lock = 
Mutex.new

Instance Method Summary collapse

Methods included from Util::NetworkUtil

#configured_networks, #find_empty, #interface_network, #libvirt_networks, #network_interfaces

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 21

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

  @available_networks = []
  @options = {}
  @libvirt_client = env[:machine].provider.driver.connection.client
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/create_networks.rb', line 31

def call(env)
  if env[:machine].provider_config.qemu_use_session
    # Get a list of all (active and inactive) Libvirt networks. This
    # triggers a side effect to ensure networking is fully available
    # for VMs using sessions. It is likely that this should be done
    # to determine the correct virtual device for the management
    # network for sessions instead of assuming the default of virbr0.
    @available_networks = libvirt_networks(env[:machine].provider.driver)

    @app.call(env)
    return
  end

  # only one vm at a time should try to set up networks
  # otherwise they'll have inconsistent views of current state
  # and conduct redundant operations that cause errors
  @@lock.synchronize do
    # Iterate over networks If some network is not
    # available, create it if possible. Otherwise raise an error.
    configured_networks(env[:machine], @logger).each do |options|
      # Only need to create private networks
      next if options[:iface_type] != :private_network ||
              options.fetch(:tunnel_type, nil)
      @logger.debug "Searching for network with options #{options}"

      # should fix other methods so this doesn't have to be instance var
      @options = 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[:machine].provider.driver)

      current_network = @available_networks.detect { |network| network[:name] == @options[:network_name] }

      # 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,
        domain_name:      nil,
        ipv6_address:     options[:ipv6_address] || nil,
        ipv6_prefix:      options[:ipv6_prefix] || nil,
        created:          current_network.nil? ? false : true,
        active:           current_network.nil? ? false : current_network[:active],
        autostart:        options[:autostart] || false,
        guest_ipv6:       @options[:guest_ipv6] || 'yes',
        libvirt_network:  current_network.nil? ? nil : current_network[:libvirt_network]
      }

      if @options[:ip]
        handle_ip_option(env)
      elsif @options[:type].to_s == 'dhcp'
        handle_dhcp_private_network(env)
      elsif @options[:network_name]
        handle_network_name_option(env)
      else
        raise Errors::CreateNetworkError, error_message: @options
      end

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

  @app.call(env)
end