73 lines
2.5 KiB
Ruby
73 lines
2.5 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 GuestDebian
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module Cap
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class ConfigureNetworks
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include Vagrant::Util
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def self.configure_networks(machine, networks)
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comm = machine.communicate
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commands = []
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entries = []
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interfaces = machine.guest.capability(:network_interfaces)
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networks.each do |network|
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network[:device] = interfaces[network[:interface]]
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entry = TemplateRenderer.render("guests/debian/network_#{network[:type]}",
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options: network,
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)
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entries << entry
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end
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Tempfile.open("vagrant-debian-configure-networks") do |f|
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f.binmode
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f.write(entries.join("\n"))
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f.fsync
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f.close
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comm.upload(f.path, "/tmp/vagrant-network-entry")
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end
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networks.each do |network|
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# Ubuntu 16.04+ returns an error when downing an interface that
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# does not exist. The `|| true` preserves the behavior that older
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# Ubuntu versions exhibit and Vagrant expects (GH-7155)
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commands << "/sbin/ifdown '#{network[:device]}' || true"
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commands << "/sbin/ip addr flush dev '#{network[:device]}'"
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end
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# Reconfigure /etc/network/interfaces.
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commands << <<-EOH.gsub(/^ {12}/, "")
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# Remove any previous network modifications from the interfaces file
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sed -e '/^#VAGRANT-BEGIN/,$ d' /etc/network/interfaces > /tmp/vagrant-network-interfaces.pre
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sed -ne '/^#VAGRANT-END/,$ p' /etc/network/interfaces | tac | sed -e '/^#VAGRANT-END/,$ d' | tac > /tmp/vagrant-network-interfaces.post
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cat \\
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/tmp/vagrant-network-interfaces.pre \\
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/tmp/vagrant-network-entry \\
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/tmp/vagrant-network-interfaces.post \\
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> /etc/network/interfaces
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rm -f /tmp/vagrant-network-interfaces.pre
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rm -f /tmp/vagrant-network-entry
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rm -f /tmp/vagrant-network-interfaces.post
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EOH
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# Bring back up each network interface, reconfigured.
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networks.each do |network|
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commands << "/sbin/ifup '#{network[:device]}'"
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end
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# Run all the commands in one session to prevent partial configuration
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# due to a severed network.
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comm.sudo(commands.join("\n"))
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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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