Builtin: ConfigValidate will validate your configuration

lib/vagrant/action.rb

@@ -12,6 +12,7 @@ module Vagrant
       autoload :BoxAdd,  "vagrant/action/builtin/box_add"
       autoload :Call,    "vagrant/action/builtin/call"
       autoload :Confirm, "vagrant/action/builtin/confirm"
+      autoload :ConfigValidate, "vagrant/action/builtin/config_validate"
       autoload :EnvSet,  "vagrant/action/builtin/env_set"
       autoload :Provision, "vagrant/action/builtin/provision"
       autoload :SSHExec, "vagrant/action/builtin/ssh_exec"
@@ -20,7 +21,6 @@ module Vagrant
 
     module General
       autoload :Package,  'vagrant/action/general/package'
-      autoload :Validate, 'vagrant/action/general/validate'
     end
 
     # This is the action that will add a box from a URL. This middleware

lib/vagrant/action/builtin/config_validate.rb

@@ -0,0 +1,30 @@
+require "vagrant/util/template_renderer"
+
+module Vagrant
+  module Action
+    module Builtin
+      # This class validates the configuration and raises an exception
+      # if there are any validation errors.
+      class ConfigValidate
+        def initialize(app, env)
+          @app = app
+        end
+
+        def call(env)
+          if !env.has_key?(:config_validate) || env[:config_validate]
+            errors = env[:machine].config.validate(env[:machine])
+
+            if errors
+              raise Errors::ConfigInvalid,
+                :errors => Util::TemplateRenderer.render(
+                  "config/validation_failed",
+                  :errors => errors)
+            end
+          end
+
+          @app.call(env)
+        end
+      end
+    end
+  end
+end

lib/vagrant/action/general/validate.rb

@@ -1,21 +0,0 @@
-module Vagrant
-  module Action
-    module General
-      # Simply validates the configuration of the current Vagrant
-      # environment.
-      class Validate
-        def initialize(app, env)
-          @app = app
-        end
-
-        def call(env)
-          if !env.has_key?(:validate) || env[:validate]
-            env[:machine].config.validate!(env[:machine].env)
-          end
-
-          @app.call(env)
-        end
-      end
-    end
-  end
-end

lib/vagrant/errors.rb

@@ -150,6 +150,10 @@ module Vagrant
       error_key(:cli_invalid_options)
     end
 
+    class ConfigInvalid < VagrantError
+      error_key(:config_invalid)
+    end
+
     class DestroyRequiresForce < VagrantError
       status_code(74)
       error_key(:destroy_requires_force)

plugins/providers/virtualbox/action/import.rb

@@ -40,7 +40,7 @@ module VagrantPlugins
             # validate the configuration here, and we don't want to confirm
             # we want to destroy.
             destroy_env = env.clone
-            destroy_env[:validate] = false
+            destroy_env[:config_validate] = false
             destroy_env[:force_confirm_destroy] = true
             env[:action_runner].run(Action.action_destroy, destroy_env)
           end

templates/config/validation_failed.erb

@@ -1,6 +1,6 @@
-<% errors.each do |key, container| -%>
+<% errors.each do |section, list| -%>
-<%= key %>:
+<%= section %>:
-<% container.errors.each do |error| -%>
+<% list.each do |error| -%>
 * <%= error %>
 <% end -%>
 

templates/locales/en.yml

@@ -56,6 +56,11 @@ en:
         available below.
 
         %{help}
+      config_invalid: |-
+        There are errors in the configuration of this machine. Please fix
+        the following errors and try again:
+
+        %{errors}
       destroy_requires_force: |-
         Destroy doesn't have a TTY to ask for confirmation. Please pass the
         `--force` flag to force a destroy, otherwise attach a TTY so that