Project directory and instance role added to provisioning JSON

config/default.rb

@@ -16,6 +16,7 @@ Vagrant::Config.run do |config|
   config.chef.cookbooks_path = "cookbooks"
   config.chef.provisioning_path = "/tmp/vagrant-chef"
   config.chef.json = {
+    :instance_role => "vagrant",
     :recipes => ["vagrant_main"]
   }
 end

lib/vagrant/provisioning.rb

@@ -26,7 +26,10 @@ module Vagrant
 
     def setup_json
       logger.info "Generating JSON and uploading..."
-      SSH.upload!(StringIO.new(Vagrant.config.chef.json.to_json), File.join(Vagrant.config.chef.provisioning_path, "dna.json"))
+
+      json = { :project_directory => Vagrant.config.vm.project_directory }.merge(Vagrant.config.chef.json).to_json
+
+      SSH.upload!(StringIO.new(json), File.join(Vagrant.config.chef.provisioning_path, "dna.json"))
     end
 
     def setup_solo_config

test/vagrant/provisioning_test.rb

@@ -36,13 +36,22 @@ class ProvisioningTest < Test::Unit::TestCase
 
   context "generating and uploading json" do
     should "convert the JSON config to JSON" do
-      Vagrant.config.chef.json.expects(:to_json).once.returns("foo")
+      Hash.any_instance.expects(:to_json).once.returns("foo")
+      @prov.setup_json
+    end
+
+    should "add the project directory to the JSON" do
+      Vagrant::SSH.expects(:upload!).with do |json, path|
+        data = JSON.parse(json.read)
+        assert_equal Vagrant.config.vm.project_directory, data["project_directory"]
+        true
+      end
+
       @prov.setup_json
     end
 
     should "upload a StringIO to dna.json" do
-      Vagrant.config.chef.json.expects(:to_json).once.returns("foo")
-      StringIO.expects(:new).with("foo").returns("bar")
+      StringIO.expects(:new).with(anything).returns("bar")
       File.expects(:join).with(Vagrant.config.chef.provisioning_path, "dna.json").once.returns("baz")
       Vagrant::SSH.expects(:upload!).with("bar", "baz").once
       @prov.setup_json