vagrant/plugins/guests/arch/cap/configure_networks.rb

58 lines
1.9 KiB
Ruby

require "ipaddr"
require "socket"
require "tempfile"
require_relative "../../../../lib/vagrant/util/template_renderer"
module VagrantPlugins
module GuestArch
module Cap
class ConfigureNetworks
include Vagrant::Util
def self.configure_networks(machine, networks)
comm = machine.communicate
commands = []
interfaces = machine.guest.capability(:network_interfaces)
networks.each.with_index do |network, i|
network[:device] = interfaces[network[:interface]]
# Arch expects netmasks to be in the "24" or "64", but users may
# specify IPV4 netmasks like "255.255.255.0". This magic converts
# the netmask to the proper value.
if network[:netmask] && network[:netmask].to_s.include?(".")
network[:netmask] = (32-Math.log2((IPAddr.new(network[:netmask], Socket::AF_INET).to_i^0xffffffff)+1)).to_i
end
entry = TemplateRenderer.render("guests/arch/network_#{network[:type]}",
options: network,
)
remote_path = "/tmp/vagrant-network-#{network[:device]}-#{Time.now.to_i}-#{i}"
Tempfile.open("vagrant-arch-configure-networks") do |f|
f.binmode
f.write(entry)
f.fsync
f.close
comm.upload(f.path, remote_path)
end
commands << <<-EOH.gsub(/^ {14}/, '')
# Configure #{network[:device]}
mv '#{remote_path}' '/etc/netctl/#{network[:device]}' &&
ip link set '#{network[:device]}' down &&
netctl restart '#{network[:device]}' &&
netctl enable '#{network[:device]}'
EOH
end
# Run all the network modification commands in one communicator call.
comm.sudo(commands.join(" && \n"))
end
end
end
end
end