88 lines
3.7 KiB
Ruby
88 lines
3.7 KiB
Ruby
require "set"
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require "tempfile"
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require "vagrant/util/retryable"
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require "vagrant/util/template_renderer"
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module VagrantPlugins
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module GuestRedHat
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module Cap
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class ConfigureNetworks
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extend Vagrant::Util::Retryable
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include Vagrant::Util
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def self.configure_networks(machine, networks)
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case machine.guest.capability("flavor")
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when :rhel_7
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configure_networks_rhel7(machine, networks)
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else
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configure_networks_default(machine, networks)
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end
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end
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def self.configure_networks_rhel7(machine, networks)
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# This is kind of jank but the configure networks is the same
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# as Fedora at this point.
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require File.expand_path("../../../fedora/cap/configure_networks", __FILE__)
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::VagrantPlugins::GuestFedora::Cap::ConfigureNetworks.
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configure_networks(machine, networks)
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end
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def self.configure_networks_default(machine, networks)
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network_scripts_dir = machine.guest.capability("network_scripts_dir")
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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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networks.each do |network|
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interfaces.add(network[:interface])
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# Down the interface before munging the config file. This might fail
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# if the interface is not actually set up yet so ignore errors.
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machine.communicate.sudo(
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"/sbin/ifdown eth#{network[:interface]} 2> /dev/null", error_check: false)
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# Remove any previous vagrant configuration in this network interface's
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# configuration files.
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machine.communicate.sudo("touch #{network_scripts_dir}/ifcfg-eth#{network[:interface]}")
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machine.communicate.sudo("sed -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' #{network_scripts_dir}/ifcfg-eth#{network[:interface]} > /tmp/vagrant-ifcfg-eth#{network[:interface]}")
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machine.communicate.sudo("cat /tmp/vagrant-ifcfg-eth#{network[:interface]} > #{network_scripts_dir}/ifcfg-eth#{network[:interface]}")
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machine.communicate.sudo("rm -f /tmp/vagrant-ifcfg-eth#{network[:interface]}")
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# Render and upload the network entry file to a deterministic
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# temporary location.
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entry = TemplateRenderer.render("guests/redhat/network_#{network[:type]}",
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options: network)
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temp = Tempfile.new("vagrant")
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temp.binmode
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temp.write(entry)
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temp.close
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machine.communicate.upload(temp.path, "/tmp/vagrant-network-entry_#{network[:interface]}")
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end
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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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retryable(on: Vagrant::Errors::VagrantError, tries: 3, sleep: 2) do
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# The interface should already be down so this probably
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# won't do anything, so we run it with error_check false.
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machine.communicate.sudo(
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"/sbin/ifdown eth#{interface} 2> /dev/null", error_check: false)
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# Add the new interface and bring it up
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machine.communicate.sudo("cat /tmp/vagrant-network-entry_#{interface} >> #{network_scripts_dir}/ifcfg-eth#{interface}")
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machine.communicate.sudo("ARPCHECK=no /sbin/ifup eth#{interface} 2> /dev/null")
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end
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machine.communicate.sudo("rm -f /tmp/vagrant-network-entry_#{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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