Support for network interfaces named by biosdevname

Tested with Ubuntu 18.04 where interfaces start from ens3.

README.md

@@ -63,6 +63,8 @@ Vagrant.configure("2") do |config|
     :ovirt__network_name => 'ovirtmgmt' #DHCP
     # Static configuration
     #:ovirt__ip => '192.168.2.198', :ovirt__network_name => 'ovirtmgmt', :ovirt__gateway => '192.168.2.125', :ovirt__netmask => '255.255.0.0', :ovirt__dns_servers => '192.168.2.1', :ovirt__dns_search => 'test.local'
+    # Static configuration with biosdevname naming interfaces in format ensX, where X starts from 3
+    #:ovirt__ip => '192.168.2.198', :ovirt__network_name => 'ovirtmgmt', :ovirt__gateway => '192.168.2.125', :ovirt__netmask => '255.255.0.0', :ovirt__dns_servers => '192.168.2.1', :ovirt__dns_search => 'test.local', :ovirt__biosdevname => true
 
   config.vm.provider :ovirt4 do |ovirt|
     ovirt.url = 'https://server/ovirt-engine/api'

lib/vagrant-ovirt4/action/start_vm.rb

@@ -46,9 +46,16 @@ def call(env)
           (0...configured_ifaces_options.length()).each do |iface_index|
             iface_options = configured_ifaces_options[iface_index]
 
+            if iface_options[:biosdevname] then
+              prefix = 'ens'
+              iface_index = iface_index + 3
+            else
+              prefix = 'eth'
+            end
+
             if iface_options[:ip] then
               nic_configuration = {
-                name: "eth#{iface_index}",
+                name: "#{prefix}#{iface_index}",
                 on_boot: true,
                 boot_protocol: OvirtSDK4::BootProtocol::STATIC,
                 ip: {
@@ -60,7 +67,7 @@ def call(env)
               }
             else
               nic_configuration = {
-                name: "eth#{iface_index}",
+                name: "#{prefix}#{iface_index}",
                 on_boot: true,
                 boot_protocol: OvirtSDK4::BootProtocol::DHCP,
               }