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Fixes Fedora 20 network issues when virtual 

On Fedora 20 virtual machines biosdevname command
'Returns 4 if running in a virtual machine.'

This patch:
  - Uses the biosdevname command return value to detect if virtual
  - Uses /sys/net to get interface names - Might be better solution
  - Leaves unchanged the original 'bare metal' case - I wonder what for
    though?

Tested with Fedora Cloud image adapted for vagrant-libvirt

Fixes issue #4104
This commit is contained in:
Gilles Dubreuil 2014-08-05 13:02:28 +10:00
parent 1615325e46
commit bd4d4284c4
1 changed files with 28 additions and 13 deletions
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41
plugins/guests/fedora/cap/configure_networks.rb
View File

@ -14,25 +14,40 @@ module VagrantPlugins
def self.configure_networks(machine, networks)
network_scripts_dir = machine.guest.capability("network_scripts_dir")
virtual = false
interface_names = Array.new
machine.communicate.sudo("/usr/sbin/biosdevname -d | grep Kernel | cut -f2 -d: | sed -e 's/ //;'") do |_, result|
interface_names = result.split("\n")
machine.communicate.sudo("/usr/sbin/biosdevname; echo $?") do |_, result|
virtual = true if result.chomp == '4'
end
interface_name_pairs = Array.new
interface_names.each do |interface_name|
machine.communicate.sudo("/usr/sbin/biosdevname --policy=all_ethN -i #{interface_name}") do |_, result|
interface_name_pairs.push([interface_name, result.gsub("\n", "")])
if virtual
machine.communicate.sudo("ls /sys/class/net | grep -v lo") do |_, result|
interface_names = result.split("\n")
end
end
setting_interface_names = networks.map do |network|
"eth#{network[:interface]}"
end
interface_names = networks.map do |network|
"eth#{network[:interface]}"
end
else
machine.communicate.sudo("/usr/sbin/biosdevname -d | grep Kernel | cut -f2 -d: | sed -e 's/ //;'") do |_, result|
interface_names = result.split("\n")
end
interface_name_pairs.each do |interface_name, previous_interface_name|
if setting_interface_names.index(previous_interface_name) == nil
interface_names.delete(interface_name)
interface_name_pairs = Array.new
interface_names.each do |interface_name|
machine.communicate.sudo("/usr/sbin/biosdevname --policy=all_ethN -i #{interface_name}") do |_, result|
interface_name_pairs.push([interface_name, result.gsub("\n", "")])
end
end
setting_interface_names = networks.map do |network|
"eth#{network[:interface]}"
end
interface_name_pairs.each do |interface_name, previous_interface_name|
if setting_interface_names.index(previous_interface_name) == nil
interface_names.delete(interface_name)
end
end
end