add ability for test pxe in private network

README.md

@@ -83,14 +83,14 @@ kvm type virtual machines with `virsh` or `virt-manager`.
 
 Next, you must have [Vagrant
 installed](http://docs.vagrantup.com/v2/installation/index.html).
-Vagrant-libvirt supports Vagrant 1.5, 1.6, 1.7 and 1.8. 
+Vagrant-libvirt supports Vagrant 1.5, 1.6, 1.7 and 1.8.
 *We only test with the upstream version!* If you decide to install your distros
 version and you run into problems, as a first step you should switch to upstream.
 
-Now you need to make sure your have all the build dependencies installed for 
+Now you need to make sure your have all the build dependencies installed for
 vagrant-libvirt. This depends on your distro. An overview:
 
-* Ubuntu 12.04/14.04/16.04, Debian: 
+* Ubuntu 12.04/14.04/16.04, Debian:
 ```shell
 apt-get build-dep vagrant ruby-libvirt
 apt-get install qemu libvirt-bin ebtables dnsmasq
@@ -780,7 +780,7 @@ You can define filter for redirected devices. These filters can be positiv or ne
 You can extract that information from output of `lsusb` command. Every line contains the information in format `Bus [<bus>] Device [<device>]: ID [<vendor>:[<product>]`. The `version` can be extracted from the detailed output of the device using `lsusb -D /dev/usb/[<bus>]/[<device>]`. For example:
 
 ```shell
-# get bcdDevice from 
+# get bcdDevice from
 $: lsusb
 Bus 001 Device 009: ID 08e6:3437 Gemalto (was Gemplus) GemPC Twin SmartCard Reader
 
@@ -903,6 +903,25 @@ Vagrant.configure("2") do |config|
 end
 ```
 
+Example for vm with 2 networks and only 1 is bootable and has dhcp server in this subnet, for example foreman with dhcp server
+Name of network "foreman_managed" is key for define boot order
+```ruby
+    config.vm.define :pxeclient do |pxeclient|
+      pxeclient.vm.network :private_network,ip: '10.0.0.5',
+            libvirt__network_name: "foreman_managed",
+            libvirt__dhcp_enabled: false,
+            libvirt__host_ip: '10.0.0.1'
+
+       pxeclient.vm.provider :libvirt do |domain|
+          domain.memory = 1000
+          boot_network = {'network' => 'foreman_managed'}
+          domain.storage :file, :size => '100G', :type => 'qcow2'
+          domain.boot boot_network
+          domain.boot 'hd'
+        end
+      end
+```
+
 ## SSH Access To VM
 
 vagrant-libvirt supports vagrant's [standard ssh

lib/vagrant-libvirt/action/create_networks.rb

@@ -227,6 +227,7 @@ module VagrantPlugins
           # Do we need to create new network?
           unless @interface_network[:created]
             @interface_network[:name] = @options[:network_name]
+            @interface_network[:ip_address] ||= @options[:host_ip]
 
             # Generate a unique name for network bridge.
             @interface_network[:bridge_name] = generate_bridge_name

lib/vagrant-libvirt/action/set_boot_order.rb

@@ -1,64 +1,107 @@
-require "log4r"
+require 'log4r'
 require 'nokogiri'
 
 module VagrantPlugins
   module ProviderLibvirt
     module Action
+      # boot order useful for pxe in discovery workflow
       class SetBootOrder
         def initialize(app, env)
           @app    = app
-          @logger = Log4r::Logger.new("vagrant_libvirt::action::set_boot_order")
+          @logger = Log4r::Logger.new('vagrant_libvirt::action::set_boot_order')
           config = env[:machine].provider_config
           @boot_order = config.boot_order
         end
 
         def call(env)
-         # Get domain first
+          # Get domain first
           begin
-            domain = env[:machine].provider.driver.connection.client.lookup_domain_by_uuid(
-              env[:machine].id.to_s)
+            domain = env[:machine].provider
+                                  .driver
+                                  .connection
+                                  .client
+                                  .lookup_domain_by_uuid(
+                                    env[:machine].id.to_s
+                                  )
           rescue => e
             raise Errors::NoDomainError,
-              :error_message => e.message
+                  error_message: e.message
           end
 
-          # Only execute specific boot ordering if this is defined in the Vagrant file
+          # Only execute specific boot ordering if this is defined
+          # in the Vagrant file
           if @boot_order.count >= 1
-          
-            # If a domain is initially defined with no box or disk or with an explicit boot order, libvirt adds <boot dev="foo">
-            # This conflicts with an explicit boot_order configuration, so we need to remove it from the domain xml and feed it back.
-            # Also see https://bugzilla.redhat.com/show_bug.cgi?id=1248514 as to why we have to do this after all devices have been defined.
+
+            # If a domain is initially defined with no box or disk or
+            # with an explicit boot order, libvirt adds <boot dev="foo">
+            # This conflicts with an explicit boot_order configuration,
+            # so we need to remove it from the domain xml and feed it back.
+            # Also see https://bugzilla.redhat.com/show_bug.cgi?id=1248514
+            # as to why we have to do this after all devices have been defined.
             xml = Nokogiri::XML(domain.xml_desc)
-            xml.search("/domain/os/boot").each do |node|
-              node.remove
-            end
+            xml.search('/domain/os/boot').each(&:remove)
 
             # Parse the XML and find each defined drive and network interfacee
             hd = xml.search("/domain/devices/disk[@device='disk']")
             cdrom = xml.search("/domain/devices/disk[@device='cdrom']")
-            network = xml.search("/domain/devices/interface[@type='network' or @type='udp']")
+            # implemented only for 1 network
+            nets = @boot_order.flat_map do |x|
+              x.class == Hash ? x : nil
+            end.compact
+            raise 'Defined only for 1 network for boot' if nets.size > 1
+            network = search_network(nets, xml)
 
-            # Generate an array per device group and a flattened array from all of those
-            devices = {"hd" => hd, "cdrom" => cdrom, "network" => network}
-            final_boot_order = @boot_order.flat_map {|category| devices[category] }
+            # Generate an array per device group and a flattened
+            # array from all of those
+            devices = { 'hd' => hd,
+                        'cdrom' => cdrom,
+                        'network' => network }
 
-            # Loop over the entire defined boot order array and create boot order entries in the domain XML
+            final_boot_order = final_boot_order(@boot_order, devices)
+            # Loop over the entire defined boot order array and
+            # create boot order entries in the domain XML
             final_boot_order.each_with_index do |node, index|
-              boot = "<boot order='#{index+1}'/>"
+              boot = "<boot order='#{index + 1}'/>"
               node.add_child(boot)
-              if node.name == 'disk'
-                @logger.debug "Setting #{node['device']} to boot index #{index+1}"
-              elsif node.name == 'interface'
-                @logger.debug "Setting #{node.name} to boot index #{index+1}"
-              end
+              logger_msg(node, index)
             end
 
-            # Finally redefine the domain XML through libvirt to apply the boot ordering
-            env[:machine].provider.driver.connection.client.define_domain_xml(xml.to_s)
+            # Finally redefine the domain XML through libvirt
+            # to apply the boot ordering
+            env[:machine].provider
+                         .driver
+                         .connection
+                         .client
+                         .define_domain_xml(xml.to_s)
           end
 
           @app.call(env)
+        end
 
+        def final_boot_order(boot_order, devices)
+          boot_order.flat_map do |category|
+            devices[category.class == Hash ? category.keys.first : category]
+          end
+        end
+
+        def search_network(nets, xml)
+          str = '/domain/devices/interface'
+          str += "[(@type='network' or @type='udp')"
+          unless nets.empty?
+            str += " and source[@network='#{nets.first['network']}']"
+          end
+          str += ']'
+          @logger.debug(str)
+          xml.search(str)
+        end
+
+        def logger_msg(node, index)
+          name = if node.name == 'disk'
+                   node['device']
+                 elsif node.name == 'interface'
+                   node.name
+                 end
+          @logger.debug "Setting #{name} to boot index #{index + 1}"
         end
       end
     end