New Docker recipe

Author: chewi

README.md

@@ -258,6 +258,10 @@ This installs and starts GitLab with nginx and your chosen database.
 
 This installs GitLab Runner. This does not have to be on the same system, in fact GitLab recommend against it.
 
+## docker
+
+This installs Docker and creates a `gitlab` service for it. It includes the `runner` recipe above.
+
 ## mysql, postgres
 
 These are internal, set `gitlab['database']['type']` instead.

metadata.rb

@@ -29,6 +29,7 @@
 ).each do |cb_depend|
   depends cb_depend
 end
+depends 'docker', '~> 2.0'
 depends 'mysql', '~> 6.0'
 depends 'mysql2_chef_gem'
 depends 'nginx', '<3'

recipes/docker.rb

@@ -0,0 +1,30 @@
+#
+# Cookbook Name:: gitlab
+# Recipe:: docker
+#
+# Copyright 2016, Yakara Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+include_recipe 'gitlab::runner'
+
+docker_service 'gitlab' do
+  action [:create, :start]
+end
+
+group 'docker' do
+  members 'gitlab-runner'
+  append true
+  action :modify
+end