fec14cf04c
When using pty=true, removing files using sudo may request confirmation, which will hang the connection. Similarly, sometimes assumptions about file existence may be wrong and in those cases it seems better to continue on as long as the file does not exist, so -f makes sense there, too.
63 lines
2.2 KiB
Ruby
63 lines
2.2 KiB
Ruby
require 'set'
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require 'tempfile'
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require "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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machine.communicate.tap do |comm|
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# First, remove any previous network modifications
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# from the interface file.
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comm.sudo("sed -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' /etc/network/interfaces > /tmp/vagrant-network-interfaces")
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comm.sudo("su -c 'cat /tmp/vagrant-network-interfaces > /etc/network/interfaces'")
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comm.sudo("rm -f /tmp/vagrant-network-interfaces")
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# Accumulate the configurations to add to the interfaces file as
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# well as what interfaces we're actually configuring since we use that
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# later.
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interfaces = Set.new
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entries = []
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networks.each do |network|
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interfaces.add(network[:interface])
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entry = TemplateRenderer.render("guests/debian/network_#{network[:type]}",
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options: network)
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entries << entry
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end
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# Perform the careful dance necessary to reconfigure
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# the network interfaces
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temp = Tempfile.new("vagrant")
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temp.binmode
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temp.write(entries.join("\n"))
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temp.close
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comm.upload(temp.path, "/tmp/vagrant-network-entry")
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# Bring down all the interfaces we're reconfiguring. By bringing down
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# each specifically, we avoid reconfiguring eth0 (the NAT interface) so
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# SSH never dies.
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interfaces.each do |interface|
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comm.sudo("/sbin/ifdown eth#{interface} 2> /dev/null")
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comm.sudo("/sbin/ip addr flush dev eth#{interface} 2> /dev/null")
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end
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comm.sudo("cat /tmp/vagrant-network-entry >> /etc/network/interfaces")
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comm.sudo("rm -f /tmp/vagrant-network-entry")
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# Bring back up each network interface, reconfigured
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interfaces.each do |interface|
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comm.sudo("/sbin/ifup eth#{interface}")
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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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end
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end
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