Pass guest IP along to the Host#nfs_export function

lib/vagrant/action/vm/nfs.rb

@@ -65,7 +65,7 @@ module Vagrant
           @env.logger.info "Exporting NFS shared folders..."
 
           catch_action_exception(@env) do
-            @env["host"].nfs_export(folders)
+            @env["host"].nfs_export(guest_ip, folders)
           end
         end
 
@@ -90,6 +90,14 @@ module Vagrant
           interface.host_interface_object.ip_address
         end
 
+        # Returns the IP address of the guest by looking at the first
+        # enabled host only network.
+        #
+        # @return [String]
+        def guest_ip
+          @env["config"].vm.network_options[1][:ip]
+        end
+
         # Verifies that the host is set and supports NFS.
         def verify_settings
           return @env.error!(:nfs_host_required) if @env["host"].nil?

lib/vagrant/hosts/base.rb

@@ -63,8 +63,9 @@ module Vagrant
       # Exports the given hash of folders via NFS. This method will raise
       # an {Vagrant::Action::ActionException} if anything goes wrong.
       #
+      # @param [String] ip IP of the guest machine.
       # @param [Hash] folders Shared folders to sync.
-      def nfs_export(folders)
+      def nfs_export(ip, folders)
       end
     end
   end

test/vagrant/action/vm/nfs_test.rb

@@ -96,10 +96,11 @@ class NFSVMActionTest < Test::Unit::TestCase
     context "exporting folders" do
       setup do
         @instance.stubs(:folders).returns({})
+        @instance.stubs(:guest_ip).returns("192.168.33.10")
       end
 
       should "call nfs_export on the host" do
-        @env["host"].expects(:nfs_export).with(@instance.folders)
+        @env["host"].expects(:nfs_export).with(@instance.guest_ip, @instance.folders)
         @instance.export_folders
       end
 
@@ -151,6 +152,15 @@ class NFSVMActionTest < Test::Unit::TestCase
       end
     end
 
+    context "getting the guest IP" do
+      should "return the first networked IP" do
+        ip = "192.168.33.10"
+        @env.env.config.vm.network(ip, :adapter => 1)
+        @env.env.config.vm.network("192.168.66.10", :adapter => 2)
+        assert_equal ip, @instance.guest_ip
+      end
+    end
+
     context "verifying settings" do
       setup do
         @env.env.host.stubs(:nfs?).returns(true)

vagrant.gemspec

@@ -9,7 +9,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new("> 1.3.1") if s.respond_to? :required_rubygems_version=
   s.authors = ["Mitchell Hashimoto", "John Bender"]
-  s.date = %q{2010-07-11}
+  s.date = %q{2010-07-12}
   s.default_executable = %q{vagrant}
   s.description = %q{Vagrant is a tool for building and distributing virtualized development environments.}
   s.email = ["mitchell.hashimoto@gmail.com", "john.m.bender@gmail.com"]