130 lines
5.5 KiB
Ruby
130 lines
5.5 KiB
Ruby
require "tempfile"
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require_relative "../../../../lib/vagrant/util/template_renderer"
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module VagrantPlugins
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module GuestALT
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module Cap
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class ConfigureNetworks
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include Vagrant::Util
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extend Vagrant::Util::GuestInspection::Linux
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def self.configure_networks(machine, networks)
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comm = machine.communicate
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network_scripts_dir = machine.guest.capability(:network_scripts_dir)
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commands = {:start => [], :middle => [], :end => []}
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interfaces = machine.guest.capability(:network_interfaces)
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# Check if NetworkManager is installed on the system
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nmcli_installed = nmcli?(comm)
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net_configs = machine.config.vm.networks.map do |type, opts|
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opts if type.to_s.end_with?("_network")
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end.compact
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networks.each.with_index do |network, i|
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network[:device] = interfaces[network[:interface]]
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extra_opts = net_configs[i] ? net_configs[i].dup : {}
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if nmcli_installed
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# Now check if the device is actively being managed by NetworkManager
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nm_controlled = nm_controlled?(comm, network[:device])
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end
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if !extra_opts.key?(:nm_controlled)
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extra_opts[:nm_controlled] = !!nm_controlled
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end
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extra_opts[:nm_controlled] = case extra_opts[:nm_controlled]
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when true
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"yes"
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when false, nil
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"no"
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else
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extra_opts[:nm_controlled].to_s
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end
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if extra_opts[:nm_controlled] == "yes" && !nmcli_installed
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raise Vagrant::Errors::NetworkManagerNotInstalled, device: network[:device]
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end
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# Render a new configuration
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template_options = extra_opts.merge(network)
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# ALT expects netmasks to be in the CIDR notation, but users may
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# specify IPV4 netmasks like "255.255.255.0". This magic converts
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# the netmask to the proper value.
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if template_options[:netmask] && template_options[:netmask].to_s.include?(".")
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template_options[:netmask] = (32-Math.log2((IPAddr.new(template_options[:netmask], Socket::AF_INET).to_i^0xffffffff)+1)).to_i
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end
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options_entry = TemplateRenderer.render("guests/alt/network_#{network[:type]}", options: template_options)
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# Upload the new configuration
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options_remote_path = "/tmp/vagrant-network-entry-#{network[:device]}-#{Time.now.to_i}-#{i}"
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ipv4_address_remote_path = "/tmp/vagrant-network-ipv4-address-entry-#{network[:device]}-#{Time.now.to_i}-#{i}"
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ipv4_route_remote_path = "/tmp/vagrant-network-ipv4-route-entry-#{network[:device]}-#{Time.now.to_i}-#{i}"
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Tempfile.open("vagrant-alt-configure-networks") do |f|
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f.binmode
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f.write(options_entry)
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f.fsync
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f.close
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machine.communicate.upload(f.path, options_remote_path)
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end
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# Add the new interface and bring it back up
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iface_path = "#{network_scripts_dir}/ifaces/#{network[:device]}"
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if network[:type].to_sym == :static
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ipv4_address_entry = TemplateRenderer.render("guests/alt/network_ipv4address", options: template_options)
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# Upload the new ipv4address configuration
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Tempfile.open("vagrant-alt-configure-ipv4-address") do |f|
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f.binmode
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f.write(ipv4_address_entry)
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f.fsync
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f.close
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machine.communicate.upload(f.path, ipv4_address_remote_path)
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end
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ipv4_route_entry = TemplateRenderer.render("guests/alt/network_ipv4route", options: template_options)
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# Upload the new ipv4route configuration
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Tempfile.open("vagrant-alt-configure-ipv4-route") do |f|
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f.binmode
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f.write(ipv4_route_entry)
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f.fsync
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f.close
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machine.communicate.upload(f.path, ipv4_route_remote_path)
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end
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end
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if nm_controlled and extra_opts[:nm_controlled] == "yes"
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commands[:start] << "nmcli d disconnect iface '#{network[:device]}'"
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else
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commands[:start] << "/sbin/ifdown '#{network[:device]}'"
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end
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commands[:middle] << "mkdir -p '#{iface_path}'"
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commands[:middle] << "mv -f '#{options_remote_path}' '#{iface_path}/options'"
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if network[:type].to_sym == :static
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commands[:middle] << "mv -f '#{ipv4_address_remote_path}' '#{iface_path}/ipv4address'"
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commands[:middle] << "mv -f '#{ipv4_route_remote_path}' '#{iface_path}/ipv4route'"
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end
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if extra_opts[:nm_controlled] == "no"
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commands[:end] << "/sbin/ifup '#{network[:device]}'"
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end
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end
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if nmcli_installed
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commands[:middle] << "((systemctl | grep NetworkManager.service) && systemctl restart NetworkManager) || " \
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"(test -f /etc/init.d/NetworkManager && /etc/init.d/NetworkManager restart)"
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end
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commands = commands[:start] + commands[:middle] + commands[:end]
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comm.sudo(commands.join("\n"))
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comm.wait_for_ready(5)
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end
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end
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end
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end
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end
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