add Vagrantfile to allow testing within a virtual machine.

.gitignore

@@ -18,6 +18,7 @@ _cgo_gotypes.go
 _cgo_export.*
 
 _testmain.go
+.vagrant
 
 *.exe
 *.test

Vagrantfile

@@ -0,0 +1,38 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# determine vagrant provider
+ENV['VAGRANT_DEFAULT_PROVIDER'] = ENV['NANOBOX_BUILD_VAGRANT_PROVIDER'] || 'virtualbox'
+
+Vagrant.configure('2') do |config|
+
+  config.vm.box = 'ubuntu/trusty64'
+
+  config.vm.provider 'virtualbox' do |v|
+    v.memory = 1024
+    v.cpus   = 1
+  end
+
+  config.vm.provider "vmware_fusion" do |v, override|
+    v.vmx["memsize"] = "1024"
+    v.vmx["numvcpus"] = "1"
+    v.gui = false
+    override.vm.box = "trusty64_vmware"
+    override.vm.box_url = 'https://github.com/pagodabox/vagrant-packer-templates/releases/download/v0.2.0/trusty64_vmware.box'
+  end
+
+  config.vm.network "private_network", type: "dhcp"
+
+  config.vm.provision "shell", inline: <<-SCRIPT
+    echo "installing build tools..."
+    apt-get -y update -qq
+    apt-get -y upgrade
+    apt-get install -y build-essential software-properties-common python-software-properties ipvsadm
+    add-apt-repository -y ppa:ubuntu-lxc/lxd-stable
+    apt-get -y update -qq
+    apt-get install -y golang
+    apt-get install git mercurial bzr
+    apt-get -y autoremove
+  SCRIPT
+
+end