From 766607db496c24e8efa4c1dcc36fcf7860a0ed11 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 9 Jan 2011 13:34:37 -0800
Subject: [PATCH] Raise an error message if host only networking is not
 supported

---
 lib/vagrant/systems/base.rb       |  8 +++++++-
 templates/locales/en.yml          | 11 +++++++++++
 test/vagrant/systems/base_test.rb | 18 ++++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 test/vagrant/systems/base_test.rb

diff --git a/lib/vagrant/systems/base.rb b/lib/vagrant/systems/base.rb
index 85cb66421..19c5e8ad9 100644
--- a/lib/vagrant/systems/base.rb
+++ b/lib/vagrant/systems/base.rb
@@ -15,6 +15,10 @@ module Vagrant
     # required by systems can and will change at any time. Any
     # changes will be noted on release notes.**
     class Base
+      class BaseError < Errors::VagrantError
+        error_namespace("vagrant.systems.base")
+      end
+
       include Vagrant::Util
 
       # The VM which this system is tied to.
@@ -64,7 +68,9 @@ module Vagrant
 
       # Prepares the system for host only networks. This is called
       # once prior to any `enable_host_only_network` calls.
-      def prepare_host_only_network; end
+      def prepare_host_only_network
+        raise BaseError, :_key => :unsupported_host_only
+      end
 
       # Setup the system by adding a new host only network. This
       # method should configure and bring up the interface for the
diff --git a/templates/locales/en.yml b/templates/locales/en.yml
index 24f35af17..6c95489c6 100644
--- a/templates/locales/en.yml
+++ b/templates/locales/en.yml
@@ -460,6 +460,16 @@ en:
         running_puppetd: "Running Puppet agent..."
 
     systems:
+      base:
+        unsupported_host_only: |-
+          Host only networking is very distro-specific. Vagrant has support for many
+          distros built-in: Debian, Ubuntu, Gentoo, and RedHat. The distro of your VM
+          couldn't be detected, or isn't supported for host only networking.
+
+          Most of the time this is simply due to the fact that no one has contributed
+          back the SSH commands necessary to set this up. Please report a bug and this
+          will be fixed for your distro.
+
       linux:
         attempting_halt: "Attempting graceful shutdown of linux..."
         mount_fail: "Failed to mount shared folders. `vboxsf` was not available."
@@ -469,5 +479,6 @@ en:
           that the NFS client software is properly installed, and consult any resources
           specific to the linux distro you're using for more information on how to
           do this.
+
       solaris:
         attempting_halt: "Attempting graceful shutdown of solaris..."
diff --git a/test/vagrant/systems/base_test.rb b/test/vagrant/systems/base_test.rb
new file mode 100644
index 000000000..9ff07f21a
--- /dev/null
+++ b/test/vagrant/systems/base_test.rb
@@ -0,0 +1,18 @@
+require "test_helper"
+
+class BaseSystemTest < Test::Unit::TestCase
+  setup do
+    @klass = Vagrant::Systems::Base
+
+    @vm = mock("vm")
+    @instance = @klass.new(@vm)
+  end
+
+  should "provide access to the VM" do
+    assert_equal @vm, @instance.vm
+  end
+
+  should "error on preparing host only network" do
+    assert_raises(@klass::BaseError) { @instance.prepare_host_only_network }
+  end
+end