Update Gentoo guest to new networks API

lib/vagrant/guest/gentoo.rb

@@ -1,25 +1,30 @@
+require 'tempfile'
+
 module Vagrant
   module Guest
     class Gentoo < Linux
-      def prepare_host_only_network(net_options=nil)
-        # Remove any previous host only network additions to the
-        # interface file.
-        vm.ssh.execute do |ssh|
-          ssh.exec!("sudo sed -e '/^#VAGRANT-BEGIN-HOSTONLY/,/^#VAGRANT-END-HOSTONLY/ d' /etc/conf.d/net > /tmp/vagrant-network-interfaces")
-          ssh.exec!("sudo su -c 'cat /tmp/vagrant-network-interfaces > /etc/conf.d/net'")
-        end
-      end
+      def configure_networks(networks)
+        # Remove any previous host only network additions to the interface file
+        vm.channel.sudo("sed -e '/^#VAGRANT-BEGIN/,/^#VAGRANT-END/ d' /etc/conf.d/net > /tmp/vagrant-network-interfaces")
+        vm.channel.sudo("cat /tmp/vagrant-network-interfaces > /etc/conf.d/net")
 
-      def enable_host_only_network(net_options)
-        entry = TemplateRenderer.render('guests/gentoo/network_hostonly',
-                                        :net_options => net_options)
-        vm.ssh.upload!(StringIO.new(entry), "/tmp/vagrant-network-entry")
+        # Configure each network interface
+        networks.each do |network|
+          entry = TemplateRenderer.render("guests/gentoo/network_#{network[:type]}",
+                                          :options => network)
 
-        vm.ssh.execute do |ssh|
-          ssh.exec!("sudo ln -fs /etc/init.d/net.lo /etc/init.d/net.eth#{net_options[:adapter]}")
-          ssh.exec!("sudo /etc/init.d/net.eth#{net_options[:adapter]} stop 2> /dev/null")
-          ssh.exec!("sudo su -c 'cat /tmp/vagrant-network-entry >> /etc/conf.d/net'")
-          ssh.exec!("sudo /etc/init.d/net.eth#{net_options[:adapter]} start")
+          # Upload the entry to a temporary location
+          temp = Tempfile.new("vagrant")
+          temp.write(entry)
+          temp.close
+
+          vm.channel.upload(temp.path, "/tmp/vagrant-network-entry")
+
+          # Configure the interface
+          vm.channel.sudo("ln -fs /etc/init.d/net.lo /etc/init.d/net.eth#{network[:interface]}")
+          vm.channel.sudo("/etc/init.d/net.eth#{network[:interface]} stop 2> /dev/null")
+          vm.channel.sudo("cat /tmp/vagrant-network-entry >> /etc/conf.d/net")
+          vm.channel.sudo("/etc/init.d/net.eth#{network[:interface]} start")
         end
       end
     end

templates/guests/gentoo/network_dhcp.erb

@@ -0,0 +1,4 @@
+#VAGRANT-BEGIN
+# The contents below are automatically generated by Vagrant. Do not modify.
+config_eth<%= options[:interface] %>="dhcp"
+#VAGRANT-END

templates/guests/gentoo/network_hostonly.erb

@@ -1,4 +0,0 @@
-#VAGRANT-BEGIN-HOSTONLY
-# The contents below are automatically generated by Vagrant. Do not modify.
-config_eth<%= net_options[:adapter] %>=("<%= net_options[:ip] %> netmask <%= net_options[:netmask] %>")
-#VAGRANT-END-HOSTONLY

templates/guests/gentoo/network_static.erb

@@ -0,0 +1,4 @@
+#VAGRANT-BEGIN
+# The contents below are automatically generated by Vagrant. Do not modify.
+config_eth<%= options[:interface] %>=("<%= options[:ip] %> netmask <%= options[:netmask] %>")
+#VAGRANT-END