Adds a kitchen flag that gives options for different kitchen configs

To provide support out-of-the-box for kitchen-dokken there is a flag now
to specify which base kitchen configuration to use.

Signed-off-by: Franklin Webber <franklin@chef.io>

lib/chef-dk/command/generator_commands/cookbook.rb

@@ -42,6 +42,11 @@ class Cookbook < Base
           boolean:     true,
           default:     nil
 
+        option :kitchen,
+          long:        "--kitchen CONFIGURATION",
+          description: "Generate cookbooks with a specific kitchen configuration (dokken|vagrant) - defaults to vagrant",
+          default:     "vagrant"
+
         option :policy,
           short:        "-P",
           long:         "--policy",
@@ -131,6 +136,11 @@ def setup_context
 
           Generator.add_attr_to_context(:use_berkshelf, berks_mode?)
           Generator.add_attr_to_context(:pipeline, pipeline)
+          Generator.add_attr_to_context(:kitchen, kitchen)
+        end
+
+        def kitchen
+          config[:kitchen]
         end
 
         def pipeline

lib/chef-dk/skeletons/code_generator/recipes/cookbook.rb

@@ -66,7 +66,10 @@
 
 # Test Kitchen
 template "#{cookbook_dir}/.kitchen.yml" do
-  if context.use_berkshelf
+  if context.kitchen == 'dokken'
+    # kitchen-dokken configuration works with berkshelf and policyfiles
+    source 'kitchen_dokken.yml.erb'
+  elsif context.use_berkshelf
     source 'kitchen.yml.erb'
   else
     source 'kitchen_policyfile.yml.erb'

lib/chef-dk/skeletons/code_generator/templates/default/kitchen_dokken.yml.erb

@@ -0,0 +1,31 @@
+---
+driver:
+  name: dokken
+
+provisioner:
+  name: dokken
+
+transport:
+  name: dokken
+
+verifier:
+  name: inspec
+
+platforms:
+  # @see https://github.com/someara/dokken-images
+  # @see https://hub.docker.com/r/dokken/
+  - name: ubuntu-16.04
+    driver:
+      image: dokken/ubuntu-16.04
+  - name: centos-7
+    driver:
+      image: dokken/centos-7
+
+suites:
+  - name: default
+    run_list:
+      - recipe[<%= cookbook_name %>::default]
+    verifier:
+      inspec_tests:
+        - test/integration/default
+    attributes: