Class: VagrantPlugins::GuestCumulus::Cap::ConfigureNetworks

Inherits:
Object
  • Object
show all
Includes:
Vagrant::Util
Defined in:
lib/vagrant-cumulus/cap/configure_networks.rb

Overview

Configure Cumulus Linux mgmt and front panel ports

Class Method Summary collapse

Class Method Details

.configure_networks(machine, networks) ⇒ Object 



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# File 'lib/vagrant-cumulus/cap/configure_networks.rb', line 17

def self.configure_networks(machine, networks)
  machine.communicate.tap do |comm|
    # First, remove any previous network modifications
    # from the interface file.
    comm.sudo("sed -e '/^#VAGRANT-BEGIN/,$ d' /etc/network/interfaces > /tmp/vagrant-network-interfaces.pre")
    comm.sudo("sed -ne '/^#VAGRANT-END/,$ p' /etc/network/interfaces | tail -n +2 > /tmp/vagrant-network-interfaces.post")

    # Accumulate the configurations to add to the interfaces file as
    # well as what interfaces we're actually configuring since we use that
    # later.
    interfaces = Set.new
    entries = []
    networks.each do |network|
      interfaces.add(network[:interface])

      type, config = vm_network_config(machine, network[:interface])
      if config[:cumulus__intname]
        network[:name] = config[:cumulus__intname]
      else
        network[:name] = network[:interface] == 0 ? 'eth0' : "swp#{network[:interface]}"
      end

      entry = TemplateRenderer.render("guests/cumulus/network_#{network[:type]}",
                                      options: network,
                                      template_root: "#{VagrantPlugins::GuestCumulus.source_root}/templates")

      entries << entry
    end

    # Perform the careful dance necessary to reconfigure
    # the network interfaces
    temp = Tempfile.new("vagrant")
    temp.binmode
    temp.write(entries.join("\n"))
    temp.close

    comm.upload(temp.path, "/tmp/vagrant-network-entry")

    comm.sudo('cat /tmp/vagrant-network-interfaces.pre /tmp/vagrant-network-entry /tmp/vagrant-network-interfaces.post > /etc/network/interfaces')
    comm.sudo('rm -f /tmp/vagrant-network-interfaces.pre /tmp/vagrant-network-entry /tmp/vagrant-network-interfaces.post')

    # ifreload will reload the interfaces correctly
    comm.sudo("/sbin/ifreload -a")
  end
end

.vm_network_config(machine, interface) ⇒ Object 



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# File 'lib/vagrant-cumulus/cap/configure_networks.rb', line 13

def self.vm_network_config(machine, interface)
  machine.config.vm.networks[interface-1]
end