Support hash based options for provisioners

lib/vagrant/config/base.rb

@@ -32,6 +32,15 @@ module Vagrant
         end
       end
 
+      # Allows setting options from a hash. By default this simply calls
+      # the `#{key}=` method on the config class with the value, which is
+      # the expected behavior most of the time.
+      def set_options(options)
+        options.each do |key, value|
+          send("#{key}=", value)
+        end
+      end
+
       # Called by {Top} after the configuration is loaded to validate
       # the configuaration objects. Subclasses should implement this
       # method and add any errors to the `errors` object given.

lib/vagrant/config/vm/provisioner.rb

@@ -29,9 +29,8 @@ module Vagrant
 
           # Instantiate the config class and configure it
           @config = @provisioner.const_get(*const_args).new
+          @config.set_options(options) if options
           block.call(@config) if block
-
-          # TODO: Deal with the options hash
         end
 
         def validate(errors)

test/vagrant/config/vm/provisioner_test.rb

@@ -38,6 +38,11 @@ class ConfigVMProvisionerTest < Test::Unit::TestCase
 
       assert_equal "foo", instance.config.cookbooks_path
     end
+
+    should "configure the provisioner with a hash if valid" do
+      instance = @klass.new(:chef_solo, :cookbooks_path => "foo")
+      assert_equal "foo", instance.config.cookbooks_path
+    end
   end
 
   context "validation" do