Additional options can be passed into actions as additional arguments to the constructor

lib/vagrant/actions/base.rb

@@ -17,7 +17,7 @@ module Vagrant
       # would be instance_evaling the vm instance to include a module so
       # additionally functionality could be defined on the vm which other
       # action `prepare` methods may rely on.
-      def initialize(vm)
+      def initialize(vm, *args)
         @vm = vm
       end
 

lib/vagrant/vm.rb

@@ -8,9 +8,9 @@ module Vagrant
 
     class << self
       # Executes a specific action
-      def execute!(action_klass)
+      def execute!(action_klass, *args)
         vm = new
-        vm.add_action(action_klass)
+        vm.add_action(action_klass, *args)
         vm.execute!
       end
 
@@ -84,8 +84,8 @@ error
       @actions = []
     end
 
-    def add_action(action_klass)
-      @actions << action_klass.new(self)
+    def add_action(action_klass, *args)
+      @actions << action_klass.new(self, *args)
     end
 
     def execute!

test/vagrant/vm_test.rb

@@ -66,6 +66,12 @@ class VMTest < Test::Unit::TestCase
       assert_equal 1, @vm.actions.length
     end
 
+    should "initialize the action with given arguments when added" do
+      action_klass = mock("action_class")
+      action_klass.expects(:new).with(@vm, "foo", "bar").once
+      @vm.add_action(action_klass, "foo", "bar")
+    end
+
     should "run #prepare on all actions, then #execute!" do
       action_seq = sequence("action_seq")
       actions = []
@@ -94,6 +100,16 @@ class VMTest < Test::Unit::TestCase
 
       Vagrant::VM.execute!("foo")
     end
+
+    should "forward arguments to add_action on class method execute!" do
+      vm = mock("vm")
+      execute_seq = sequence("execute_seq")
+      Vagrant::VM.expects(:new).returns(vm).in_sequence(execute_seq)
+      vm.expects(:add_action).with("foo", "bar", "baz").in_sequence(execute_seq)
+      vm.expects(:execute!).once.in_sequence(execute_seq)
+
+      Vagrant::VM.execute!("foo", "bar", "baz")
+    end
   end
 
   context "finding a VM" do